annotate src/unicode.c @ 980:2ec85ed291da

[xemacs-hg @ 2002-08-30 08:05:30 by youngs] 2002-08-29 Jerry James <james@xemacs.org> * lisp.h: structrures -> structures.
author youngs
date Fri, 30 Aug 2002 08:05:32 +0000
parents c9f067fd71a3
children 7f62a956b825
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1 /* Code to handle Unicode conversion.
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2 Copyright (C) 2000, 2001, 2002 Ben Wing.
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3
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4 This file is part of XEmacs.
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5
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6 XEmacs is free software; you can redistribute it and/or modify it
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7 under the terms of the GNU General Public License as published by the
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8 Free Software Foundation; either version 2, or (at your option) any
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9 later version.
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10
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11 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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12 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with XEmacs; see the file COPYING. If not, write to
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18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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19 Boston, MA 02111-1307, USA. */
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20
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21 /* Synched up with: FSF 20.3. Not in FSF. */
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22
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23 /* Authorship:
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24
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25 Current primary author: Ben Wing <ben@xemacs.org>
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26
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27 Written by Ben Wing <ben@xemacs.org>, June, 2001.
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28 Separated out into this file, August, 2001.
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29 Includes Unicode coding systems, some parts of which have been written
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30 by someone else. #### Morioka and Hayashi, I think.
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31
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32 As of September 2001, the detection code is here and abstraction of the
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33 detection system is finished. The unicode detectors have been rewritten
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34 to include multiple levels of likelihood.
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35 */
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36
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37 #include <config.h>
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38 #include "lisp.h"
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39
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40 #include "charset.h"
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41 #include "file-coding.h"
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42 #include "opaque.h"
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43
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44 #include "sysfile.h"
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45
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46 /* #### WARNING! The current sledgehammer routines have a fundamental
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47 problem in that they can't handle two characters mapping to a
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48 single Unicode codepoint or vice-versa in a single charset table.
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49 It's not clear there is any way to handle this and still make the
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50 sledgehammer routines useful.
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51
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52 Inquiring Minds Want To Know Dept: does the above WARNING mean that
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53 _if_ it happens, then it will signal error, or then it will do
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54 something evil and unpredictable? Signaling an error is OK: for
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55 all national standards, the national to Unicode map is an inclusion
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56 (1-to-1). Any character set that does not behave that way is
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57 broken according to the Unicode standard. */
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58
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59 /* #define SLEDGEHAMMER_CHECK_UNICODE */
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60
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61 /* We currently use the following format for tables:
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62
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63 If dimension == 1, to_unicode_table is a 96-element array of ints
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64 (Unicode code points); else, it's a 96-element array of int *
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65 pointers, each of which points to a 96-element array of ints. If no
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66 elements in a row have been filled in, the pointer will point to a
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67 default empty table; that way, memory usage is more reasonable but
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68 lookup still fast.
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69
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70 -- If from_unicode_levels == 1, from_unicode_table is a 256-element
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71 array of shorts (octet 1 in high byte, octet 2 in low byte; we don't
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72 store Ichars directly to save space).
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73
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74 -- If from_unicode_levels == 2, from_unicode_table is a
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75 256-element array of short * pointers, each of which points to a
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76 256-element array of shorts.
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77
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78 -- If from_unicode_levels == 3, from_unicode_table is a
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79 256-element array of short ** pointers, each of which points to
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80 a 256-element array of short * pointers, each of which points to
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81 a 256-element array of shorts.
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82
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83 -- If from_unicode_levels == 4, same thing but one level deeper.
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84
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85 Just as for to_unicode_table, we use default tables to fill in
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86 all entries with no values in them.
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87
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88 #### An obvious space-saving optimization is to use variable-sized
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89 tables, where each table instead of just being a 256-element array,
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90 is a structure with a start value, an end value, and a variable
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91 number of entries (END - START + 1). Only 8 bits are needed for
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92 END and START, and could be stored at the end to avoid alignment
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93 problems. However, before charging off and implementing this,
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94 we need to consider whether it's worth it:
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95
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96 (1) Most tables will be highly localized in which code points are
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97 defined, heavily reducing the possible memory waste. Before
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98 doing any rewriting, write some code to see how much memory is
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99 actually being wasted (i.e. ratio of empty entries to total # of
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100 entries) and only start rewriting if it's unacceptably high. You
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101 have to check over all charsets.
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102
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103 (2) Since entries are usually added one at a time, you have to be
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104 very careful when creating the tables to avoid realloc()/free()
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105 thrashing in the common case when you are in an area of high
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106 localization and are going to end up using most entries in the
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107 table. You'd certainly want to allow only certain sizes, not
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108 arbitrary ones (probably powers of 2, where you want the entire
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109 block including the START/END values to fit into a power of 2,
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110 minus any malloc overhead if there is any -- there's none under
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111 gmalloc.c, and probably most system malloc() functions are quite
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112 smart nowadays and also have no overhead). You could optimize
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113 somewhat during the in-C initializations, because you can compute
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114 the actual usage of various tables by scanning the entries you're
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115 going to add in a separate pass before adding them. (You could
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116 actually do the same thing when entries are added on the Lisp
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117 level by making the assumption that all the entries will come in
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118 one after another before any use is made of the data. So as
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119 they're coming in, you just store them in a big long list, and
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120 the first time you need to retrieve an entry, you compute the
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121 whole table at once.) You'd still have to deal with the
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122 possibility of later entries coming in, though.
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123
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124 (3) You do lose some speed using START/END values, since you need
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125 a couple of comparisons at each level. This could easily make
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126 each single lookup become 3-4 times slower. The Unicode book
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127 considers this a big issue, and recommends against variable-sized
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128 tables for this reason; however, they almost certainly have in
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129 mind applications that primarily involve conversion of large
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130 amounts of data. Most Unicode strings that are translated in
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131 XEmacs are fairly small. The only place where this might matter
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132 is in loading large files -- e.g. a 3-megabyte Unicode-encoded
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133 file. So think about this, and maybe do a trial implementation
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134 where you don't worry too much about the intricacies of (2) and
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135 just implement some basic "multiply by 1.5" trick or something to
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136 do the resizing. There is a very good FAQ on Unicode called
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137 something like the Linux-Unicode How-To (it should be part of the
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138 Linux How-To's, I think), that lists the url of a guy with a
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139 whole bunch of unicode files you can use to stress-test your
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140 implementations, and he's highly likely to have a good
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141 multi-megabyte Unicode-encoded file (with normal text in it -- if
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142 you created your own just by creating repeated strings of letters
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143 and numbers, you probably wouldn't get accurate results).
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144 */
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145
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146 /* When MULE is not defined, we may still need some Unicode support --
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147 in particular, some Windows API's always want Unicode, and the way
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148 we've set up the Unicode encapsulation, we may as well go ahead and
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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149 always use the Unicode versions of split API's. (It would be
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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150 trickier to not use them, and pointless -- under NT, the ANSI API's
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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151 call the Unicode ones anyway, so in the case of structures, we'd be
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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152 converting from Unicode to ANSI structures, only to have the OS
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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153 convert them back.) */
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154
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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155 Lisp_Object Qunicode;
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156 Lisp_Object Qutf_16, Qutf_8, Qucs_4, Qutf_7;
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157 Lisp_Object Qneed_bom;
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158
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159 Lisp_Object Qutf_16_little_endian, Qutf_16_bom;
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160 Lisp_Object Qutf_16_little_endian_bom;
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161
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162 #ifdef MULE
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163
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
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164 /* #### Using ints for to_unicode is OK (as long as they are >= 32 bits).
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
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165 However, shouldn't the shorts below be unsigned? */
771
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166 static int *to_unicode_blank_1;
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167 static int **to_unicode_blank_2;
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168
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169 static short *from_unicode_blank_1;
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170 static short **from_unicode_blank_2;
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171 static short ***from_unicode_blank_3;
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172 static short ****from_unicode_blank_4;
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173
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174 #if 0
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175
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176 static const struct lrecord_description to_unicode_level_0_desc[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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177 { XD_END }
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178 };
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179
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180 static const struct struct_description to_unicode_level_0_ptr_desc = {
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181 sizeof (int), to_unicode_level_0_desc
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182 };
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183
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184 static const struct lrecord_description to_unicode_level_1_desc[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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185 { XD_STRUCT_PTR, 0, 96, &to_unicode_level_0_ptr_desc },
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186 { XD_END }
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187 };
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188
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189 static const struct struct_description to_unicode_level_1_ptr_desc = {
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190 0, to_unicode_level_1_desc
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191 };
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192
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193 static const struct lrecord_description to_unicode_level_2_desc[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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194 { XD_STRUCT_PTR, 0, 96, &to_unicode_level_1_ptr_desc },
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195 { XD_END }
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196 };
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197
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198 /* Not static because each charset has a set of to and from tables and
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199 needs to describe them to pdump. */
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200 const struct struct_description to_unicode_description[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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201 { 1, to_unicode_level_1_desc },
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202 { 2, to_unicode_level_2_desc },
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203 { XD_END }
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204 };
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205
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206 static const struct lrecord_description from_unicode_level_0_desc[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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207 { XD_END }
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208 };
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209
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210 static const struct struct_description from_unicode_level_0_ptr_desc = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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211 sizeof (short), from_unicode_level_0_desc
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212 };
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213
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214 static const struct lrecord_description from_unicode_level_1_desc[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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215 { XD_STRUCT_PTR, 0, 256, &from_unicode_level_0_ptr_desc },
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216 { XD_END }
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217 };
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218
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219 static const struct struct_description from_unicode_level_1_ptr_desc = {
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220 0, from_unicode_level_1_desc
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221 };
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222
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223 static const struct lrecord_description from_unicode_level_2_desc[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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224 { XD_STRUCT_PTR, 0, 256, &from_unicode_level_1_ptr_desc },
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225 { XD_END }
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226 };
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227
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228 static const struct struct_description from_unicode_level_2_ptr_desc = {
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229 0, from_unicode_level_2_desc
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230 };
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231
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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232 static const struct lrecord_description from_unicode_level_3_desc[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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233 { XD_STRUCT_PTR, 0, 256, &from_unicode_level_2_ptr_desc },
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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234 { XD_END }
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ben
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235 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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236
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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237 static const struct struct_description from_unicode_level_3_ptr_desc = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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238 0, from_unicode_level_3_desc
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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239 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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240
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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241 static const struct lrecord_description from_unicode_level_4_desc[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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242 { XD_STRUCT_PTR, 0, 256, &from_unicode_level_3_ptr_desc },
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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243 { XD_END }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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diff changeset
244 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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245
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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diff changeset
246 /* Not static because each charset has a set of to and from tables and
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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diff changeset
247 needs to describe them to pdump. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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248 const struct struct_description from_unicode_description[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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249 { 1, from_unicode_level_1_desc },
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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250 { 2, from_unicode_level_2_desc },
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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251 { 3, from_unicode_level_3_desc },
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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252 { 4, from_unicode_level_4_desc },
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
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253 { XD_END }
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254 };
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255
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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256 #endif /* 0 */
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257
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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258 static Lisp_Object_dynarr *unicode_precedence_dynarr;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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259
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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260 static const struct lrecord_description lo_description_1[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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261 { XD_LISP_OBJECT, 0 },
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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262 { XD_END }
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263 };
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264
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265 static const struct struct_description lo_description = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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266 sizeof (Lisp_Object),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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267 lo_description_1
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268 };
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269
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270 static const struct lrecord_description lod_description_1[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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271 XD_DYNARR_DESC (Lisp_Object_dynarr, &lo_description),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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272 { XD_END }
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273 };
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274
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275 static const struct struct_description lisp_object_dynarr_description = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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276 sizeof (Lisp_Object_dynarr),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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277 lod_description_1
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278 };
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279
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280 Lisp_Object Vlanguage_unicode_precedence_list;
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ben
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281 Lisp_Object Vdefault_unicode_precedence_list;
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ben
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282
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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283 Lisp_Object Qignore_first_column;
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284
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285
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286 /************************************************************************/
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287 /* Unicode implementation */
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288 /************************************************************************/
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289
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290 #define BREAKUP_UNICODE_CODE(val, u1, u2, u3, u4, levels) \
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291 do { \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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292 int buc_val = (val); \
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293 \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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294 (u1) = buc_val >> 24; \
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295 (u2) = (buc_val >> 16) & 255; \
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296 (u3) = (buc_val >> 8) & 255; \
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297 (u4) = buc_val & 255; \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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298 (levels) = (buc_val <= 0xFF ? 1 : \
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299 buc_val <= 0xFFFF ? 2 : \
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300 buc_val <= 0xFFFFFF ? 3 : \
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301 4); \
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302 } while (0)
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303
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diff changeset
304 static void
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305 init_blank_unicode_tables (void)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
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diff changeset
306 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
307 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
308
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
309 from_unicode_blank_1 = xnew_array (short, 256);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
310 from_unicode_blank_2 = xnew_array (short *, 256);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
311 from_unicode_blank_3 = xnew_array (short **, 256);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
312 from_unicode_blank_4 = xnew_array (short ***, 256);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
313 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
314 {
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
315 /* #### IMWTK: Why does using -1 here work? Simply because there are
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
316 no existing 96x96 charsets? */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
317 from_unicode_blank_1[i] = (short) -1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
318 from_unicode_blank_2[i] = from_unicode_blank_1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
319 from_unicode_blank_3[i] = from_unicode_blank_2;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
320 from_unicode_blank_4[i] = from_unicode_blank_3;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
321 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
322
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
323 to_unicode_blank_1 = xnew_array (int, 96);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
324 to_unicode_blank_2 = xnew_array (int *, 96);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
325 for (i = 0; i < 96; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
326 {
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
327 /* Here -1 is guaranteed OK. */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
328 to_unicode_blank_1[i] = -1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
329 to_unicode_blank_2[i] = to_unicode_blank_1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
330 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
331 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
332
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
333 static void *
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
334 create_new_from_unicode_table (int level)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
335 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
336 switch (level)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
337 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
338 /* WARNING: If you are thinking of compressing these, keep in
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
339 mind that sizeof (short) does not equal sizeof (short *). */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
340 case 1:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
341 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
342 short *newtab = xnew_array (short, 256);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
343 memcpy (newtab, from_unicode_blank_1, 256 * sizeof (short));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
344 return newtab;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
345 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
346 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
347 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
348 short **newtab = xnew_array (short *, 256);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
349 memcpy (newtab, from_unicode_blank_2, 256 * sizeof (short *));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
350 return newtab;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
351 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
352 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
353 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
354 short ***newtab = xnew_array (short **, 256);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
355 memcpy (newtab, from_unicode_blank_3, 256 * sizeof (short **));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
356 return newtab;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
357 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
358 case 4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
359 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
360 short ****newtab = xnew_array (short ***, 256);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
361 memcpy (newtab, from_unicode_blank_4, 256 * sizeof (short ***));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
362 return newtab;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
363 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
364 default:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
365 abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
366 return 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
367 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
368 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
369
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
370 /* Allocate and blank the tables.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
371 Loading them up is done by parse-unicode-translation-table. */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
372 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
373 init_charset_unicode_tables (Lisp_Object charset)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
374 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
375 if (XCHARSET_DIMENSION (charset) == 1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
376 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
377 int *to_table = xnew_array (int, 96);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
378 memcpy (to_table, to_unicode_blank_1, 96 * sizeof (int));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
379 XCHARSET_TO_UNICODE_TABLE (charset) = to_table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
380 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
381 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
382 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
383 int **to_table = xnew_array (int *, 96);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
384 memcpy (to_table, to_unicode_blank_2, 96 * sizeof (int *));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
385 XCHARSET_TO_UNICODE_TABLE (charset) = to_table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
386 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
387
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
388 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
389 XCHARSET_FROM_UNICODE_TABLE (charset) = create_new_from_unicode_table (1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
390 XCHARSET_FROM_UNICODE_LEVELS (charset) = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
391 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
392 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
393
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
394 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
395 free_from_unicode_table (void *table, int level)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
396 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
397 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
398
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
399 switch (level)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
400 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
401 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
402 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
403 short **tab = (short **) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
404 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
405 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
406 if (tab[i] != from_unicode_blank_1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
407 free_from_unicode_table (tab[i], 1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
408 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
409 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
410 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
411 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
412 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
413 short ***tab = (short ***) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
414 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
415 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
416 if (tab[i] != from_unicode_blank_2)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
417 free_from_unicode_table (tab[i], 2);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
418 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
419 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
420 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
421 case 4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
422 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
423 short ****tab = (short ****) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
424 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
425 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
426 if (tab[i] != from_unicode_blank_3)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
427 free_from_unicode_table (tab[i], 3);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
428 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
429 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
430 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
431 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
432
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
433 xfree (table);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
434 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
435
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
436 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
437 free_to_unicode_table (void *table, int level)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
438 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
439 if (level == 2)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
440 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
441 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
442 int **tab = (int **) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
443
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
444 for (i = 0; i < 96; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
445 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
446 if (tab[i] != to_unicode_blank_1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
447 free_to_unicode_table (tab[i], 1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
448 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
449 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
450
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
451 xfree (table);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
452 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
453
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
454 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
455 free_charset_unicode_tables (Lisp_Object charset)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
456 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
457 free_to_unicode_table (XCHARSET_TO_UNICODE_TABLE (charset),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
458 XCHARSET_DIMENSION (charset));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
459 free_from_unicode_table (XCHARSET_FROM_UNICODE_TABLE (charset),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
460 XCHARSET_FROM_UNICODE_LEVELS (charset));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
461 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
462
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
463 #ifdef MEMORY_USAGE_STATS
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
464
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
465 static Bytecount
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
466 compute_from_unicode_table_size_1 (void *table, int level,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
467 struct overhead_stats *stats)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
468 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
469 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
470 Bytecount size = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
471
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
472 switch (level)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
473 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
474 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
475 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
476 short **tab = (short **) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
477 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
478 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
479 if (tab[i] != from_unicode_blank_1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
480 size += compute_from_unicode_table_size_1 (tab[i], 1, stats);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
481 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
482 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
483 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
484 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
485 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
486 short ***tab = (short ***) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
487 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
488 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
489 if (tab[i] != from_unicode_blank_2)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
490 size += compute_from_unicode_table_size_1 (tab[i], 2, stats);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
491 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
492 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
493 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
494 case 4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
495 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
496 short ****tab = (short ****) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
497 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
498 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
499 if (tab[i] != from_unicode_blank_3)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
500 size += compute_from_unicode_table_size_1 (tab[i], 3, stats);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
501 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
502 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
503 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
504 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
505
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
506 size += malloced_storage_size (table,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
507 256 * (level == 1 ? sizeof (short) :
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
508 sizeof (void *)),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
509 stats);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
510 return size;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
511 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
512
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
513 static Bytecount
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
514 compute_to_unicode_table_size_1 (void *table, int level,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
515 struct overhead_stats *stats)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
516 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
517 Bytecount size = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
518
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
519 if (level == 2)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
520 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
521 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
522 int **tab = (int **) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
523
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
524 for (i = 0; i < 96; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
525 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
526 if (tab[i] != to_unicode_blank_1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
527 size += compute_to_unicode_table_size_1 (tab[i], 1, stats);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
528 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
529 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
530
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
531 size += malloced_storage_size (table,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
532 96 * (level == 1 ? sizeof (int) :
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
533 sizeof (void *)),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
534 stats);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
535 return size;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
536 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
537
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
538 Bytecount
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
539 compute_from_unicode_table_size (Lisp_Object charset,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
540 struct overhead_stats *stats)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
541 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
542 return (compute_from_unicode_table_size_1
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
543 (XCHARSET_FROM_UNICODE_TABLE (charset),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
544 XCHARSET_FROM_UNICODE_LEVELS (charset),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
545 stats));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
546 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
547
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
548 Bytecount
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
549 compute_to_unicode_table_size (Lisp_Object charset,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
550 struct overhead_stats *stats)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
551 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
552 return (compute_to_unicode_table_size_1
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
553 (XCHARSET_TO_UNICODE_TABLE (charset),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
554 XCHARSET_DIMENSION (charset),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
555 stats));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
556 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
557
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
558 #endif
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
559
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
560 #ifdef SLEDGEHAMMER_CHECK_UNICODE
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
561
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
562 /* "Sledgehammer checks" are checks that verify the self-consistency
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
563 of an entire structure every time a change is about to be made or
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
564 has been made to the structure. Not fast but a pretty much
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
565 sure-fire way of flushing out any incorrectnesses in the algorithms
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
566 that create the structure.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
567
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
568 Checking only after a change has been made will speed things up by
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
569 a factor of 2, but it doesn't absolutely prove that the code just
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
570 checked caused the problem; perhaps it happened elsewhere, either
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
571 in some code you forgot to sledgehammer check or as a result of
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
572 data corruption. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
573
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
574 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
575 assert_not_any_blank_table (void *tab)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
576 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
577 assert (tab != from_unicode_blank_1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
578 assert (tab != from_unicode_blank_2);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
579 assert (tab != from_unicode_blank_3);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
580 assert (tab != from_unicode_blank_4);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
581 assert (tab != to_unicode_blank_1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
582 assert (tab != to_unicode_blank_2);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
583 assert (tab);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
584 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
585
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
586 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
587 sledgehammer_check_from_table (Lisp_Object charset, void *table, int level,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
588 int codetop)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
589 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
590 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
591
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
592 switch (level)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
593 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
594 case 1:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
595 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
596 short *tab = (short *) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
597 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
598 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
599 if (tab[i] != -1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
600 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
601 Lisp_Object char_charset;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
602 int c1, c2;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
603
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
604 assert (valid_ichar_p (tab[i]));
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
605 BREAKUP_ICHAR (tab[i], char_charset, c1, c2);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
606 assert (EQ (charset, char_charset));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
607 if (XCHARSET_DIMENSION (charset) == 1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
608 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
609 int *to_table =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
610 (int *) XCHARSET_TO_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
611 assert_not_any_blank_table (to_table);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
612 assert (to_table[c1 - 32] == (codetop << 8) + i);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
613 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
614 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
615 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
616 int **to_table =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
617 (int **) XCHARSET_TO_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
618 assert_not_any_blank_table (to_table);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
619 assert_not_any_blank_table (to_table[c1 - 32]);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
620 assert (to_table[c1 - 32][c2 - 32] == (codetop << 8) + i);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
621 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
622 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
623 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
624 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
625 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
626 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
627 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
628 short **tab = (short **) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
629 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
630 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
631 if (tab[i] != from_unicode_blank_1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
632 sledgehammer_check_from_table (charset, tab[i], 1,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
633 (codetop << 8) + i);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
634 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
635 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
636 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
637 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
638 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
639 short ***tab = (short ***) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
640 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
641 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
642 if (tab[i] != from_unicode_blank_2)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
643 sledgehammer_check_from_table (charset, tab[i], 2,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
644 (codetop << 8) + i);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
645 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
646 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
647 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
648 case 4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
649 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
650 short ****tab = (short ****) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
651 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
652 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
653 if (tab[i] != from_unicode_blank_3)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
654 sledgehammer_check_from_table (charset, tab[i], 3,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
655 (codetop << 8) + i);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
656 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
657 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
658 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
659 default:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
660 abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
661 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
662 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
663
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
664 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
665 sledgehammer_check_to_table (Lisp_Object charset, void *table, int level,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
666 int codetop)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
667 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
668 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
669
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
670 switch (level)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
671 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
672 case 1:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
673 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
674 int *tab = (int *) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
675
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
676 if (XCHARSET_CHARS (charset) == 94)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
677 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
678 assert (tab[0] == -1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
679 assert (tab[95] == -1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
680 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
681
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
682 for (i = 0; i < 96; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
683 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
684 if (tab[i] != -1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
685 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
686 int u4, u3, u2, u1, levels;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
687 Ichar ch;
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
688 Ichar this_ch;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
689 short val;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
690 void *frtab = XCHARSET_FROM_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
691
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
692 if (XCHARSET_DIMENSION (charset) == 1)
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
693 this_ch = make_ichar (charset, i + 32, 0);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
694 else
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
695 this_ch = make_ichar (charset, codetop + 32, i + 32);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
696
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
697 assert (tab[i] >= 0);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
698 BREAKUP_UNICODE_CODE (tab[i], u4, u3, u2, u1, levels);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
699 assert (levels <= XCHARSET_FROM_UNICODE_LEVELS (charset));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
700
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
701 switch (XCHARSET_FROM_UNICODE_LEVELS (charset))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
702 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
703 case 1: val = ((short *) frtab)[u1]; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
704 case 2: val = ((short **) frtab)[u2][u1]; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
705 case 3: val = ((short ***) frtab)[u3][u2][u1]; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
706 case 4: val = ((short ****) frtab)[u4][u3][u2][u1]; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
707 default: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
708 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
709
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
710 ch = make_ichar (charset, val >> 8, val & 0xFF);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
711 assert (ch == this_ch);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
712
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
713 switch (XCHARSET_FROM_UNICODE_LEVELS (charset))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
714 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
715 case 4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
716 assert_not_any_blank_table (frtab);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
717 frtab = ((short ****) frtab)[u4];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
718 /* fall through */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
719 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
720 assert_not_any_blank_table (frtab);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
721 frtab = ((short ***) frtab)[u3];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
722 /* fall through */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
723 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
724 assert_not_any_blank_table (frtab);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
725 frtab = ((short **) frtab)[u2];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
726 /* fall through */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
727 case 1:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
728 assert_not_any_blank_table (frtab);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
729 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
730 default: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
731 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
732 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
733 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
734 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
735 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
736 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
737 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
738 int **tab = (int **) table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
739
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
740 if (XCHARSET_CHARS (charset) == 94)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
741 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
742 assert (tab[0] == to_unicode_blank_1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
743 assert (tab[95] == to_unicode_blank_1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
744 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
745
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
746 for (i = 0; i < 96; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
747 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
748 if (tab[i] != to_unicode_blank_1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
749 sledgehammer_check_to_table (charset, tab[i], 1, i);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
750 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
751 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
752 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
753 default:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
754 abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
755 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
756 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
757
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
758 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
759 sledgehammer_check_unicode_tables (Lisp_Object charset)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
760 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
761 /* verify that the blank tables have not been modified */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
762 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
763 int from_level = XCHARSET_FROM_UNICODE_LEVELS (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
764 int to_level = XCHARSET_FROM_UNICODE_LEVELS (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
765
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
766 for (i = 0; i < 256; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
767 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
768 assert (from_unicode_blank_1[i] == (short) -1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
769 assert (from_unicode_blank_2[i] == from_unicode_blank_1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
770 assert (from_unicode_blank_3[i] == from_unicode_blank_2);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
771 assert (from_unicode_blank_4[i] == from_unicode_blank_3);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
772 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
773
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
774 for (i = 0; i < 96; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
775 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
776 assert (to_unicode_blank_1[i] == -1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
777 assert (to_unicode_blank_2[i] == to_unicode_blank_1);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
778 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
779
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
780 assert (from_level >= 1 && from_level <= 4);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
781
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
782 sledgehammer_check_from_table (charset,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
783 XCHARSET_FROM_UNICODE_TABLE (charset),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
784 from_level, 0);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
785
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
786 sledgehammer_check_to_table (charset,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
787 XCHARSET_TO_UNICODE_TABLE (charset),
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
788 XCHARSET_DIMENSION (charset), 0);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
789 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
790
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
791 #endif /* SLEDGEHAMMER_CHECK_UNICODE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
792
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
793 static void
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
794 set_unicode_conversion (Ichar chr, int code)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
795 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
796 Lisp_Object charset;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
797 int c1, c2;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
798
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
799 BREAKUP_ICHAR (chr, charset, c1, c2);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
800
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
801 /* I tried an assert on code > 255 || chr == code, but that fails because
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
802 Mule gives many Latin characters separate code points for different
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
803 ISO 8859 coded character sets. Obvious in hindsight.... */
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
804 assert (!EQ (charset, Vcharset_ascii) || chr == code);
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
805 assert (!EQ (charset, Vcharset_latin_iso8859_1) || chr == code);
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
806 assert (!EQ (charset, Vcharset_control_1) || chr == code);
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
807
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
808 /* This assert is needed because it is simply unimplemented. */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
809 assert (!EQ (charset, Vcharset_composite));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
810
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
811 #ifdef SLEDGEHAMMER_CHECK_UNICODE
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
812 sledgehammer_check_unicode_tables (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
813 #endif
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
814
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
815 /* First, the char -> unicode translation */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
816
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
817 if (XCHARSET_DIMENSION (charset) == 1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
818 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
819 int *to_table = (int *) XCHARSET_TO_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
820 to_table[c1 - 32] = code;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
821 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
822 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
823 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
824 int **to_table_2 = (int **) XCHARSET_TO_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
825 int *to_table_1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
826
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
827 assert (XCHARSET_DIMENSION (charset) == 2);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
828 to_table_1 = to_table_2[c1 - 32];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
829 if (to_table_1 == to_unicode_blank_1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
830 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
831 to_table_1 = xnew_array (int, 96);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
832 memcpy (to_table_1, to_unicode_blank_1, 96 * sizeof (int));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
833 to_table_2[c1 - 32] = to_table_1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
834 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
835 to_table_1[c2 - 32] = code;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
836 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
837
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
838 /* Then, unicode -> char: much harder */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
839
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
840 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
841 int charset_levels;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
842 int u4, u3, u2, u1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
843 int code_levels;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
844 BREAKUP_UNICODE_CODE (code, u4, u3, u2, u1, code_levels);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
845
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
846 charset_levels = XCHARSET_FROM_UNICODE_LEVELS (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
847
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
848 /* Make sure the charset's tables have at least as many levels as
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
849 the code point has: Note that the charset is guaranteed to have
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
850 at least one level, because it was created that way */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
851 if (charset_levels < code_levels)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
852 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
853 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
854
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
855 assert (charset_levels > 0);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
856 for (i = 2; i <= code_levels; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
857 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
858 if (charset_levels < i)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
859 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
860 void *old_table = XCHARSET_FROM_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
861 void *table = create_new_from_unicode_table (i);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
862 XCHARSET_FROM_UNICODE_TABLE (charset) = table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
863
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
864 switch (i)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
865 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
866 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
867 ((short **) table)[0] = (short *) old_table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
868 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
869 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
870 ((short ***) table)[0] = (short **) old_table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
871 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
872 case 4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
873 ((short ****) table)[0] = (short ***) old_table;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
874 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
875 default: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
876 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
877 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
878 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
879
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
880 charset_levels = code_levels;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
881 XCHARSET_FROM_UNICODE_LEVELS (charset) = code_levels;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
882 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
883
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
884 /* Now, make sure there is a non-default table at each level */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
885 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
886 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
887 void *table = XCHARSET_FROM_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
888
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
889 for (i = charset_levels; i >= 2; i--)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
890 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
891 switch (i)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
892 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
893 case 4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
894 if (((short ****) table)[u4] == from_unicode_blank_3)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
895 ((short ****) table)[u4] =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
896 ((short ***) create_new_from_unicode_table (3));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
897 table = ((short ****) table)[u4];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
898 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
899 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
900 if (((short ***) table)[u3] == from_unicode_blank_2)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
901 ((short ***) table)[u3] =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
902 ((short **) create_new_from_unicode_table (2));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
903 table = ((short ***) table)[u3];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
904 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
905 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
906 if (((short **) table)[u2] == from_unicode_blank_1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
907 ((short **) table)[u2] =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
908 ((short *) create_new_from_unicode_table (1));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
909 table = ((short **) table)[u2];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
910 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
911 default: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
912 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
913 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
914 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
915
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
916 /* Finally, set the character */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
917
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
918 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
919 void *table = XCHARSET_FROM_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
920 switch (charset_levels)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
921 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
922 case 1: ((short *) table)[u1] = (c1 << 8) + c2; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
923 case 2: ((short **) table)[u2][u1] = (c1 << 8) + c2; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
924 case 3: ((short ***) table)[u3][u2][u1] = (c1 << 8) + c2; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
925 case 4: ((short ****) table)[u4][u3][u2][u1] = (c1 << 8) + c2; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
926 default: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
927 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
928 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
929 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
930
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
931 #ifdef SLEDGEHAMMER_CHECK_UNICODE
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
932 sledgehammer_check_unicode_tables (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
933 #endif
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
934 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
935
788
026c5bf9c134 [xemacs-hg @ 2002-03-21 07:29:57 by ben]
ben
parents: 778
diff changeset
936 int
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
937 ichar_to_unicode (Ichar chr)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
938 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
939 Lisp_Object charset;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
940 int c1, c2;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
941
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
942 type_checking_assert (valid_ichar_p (chr));
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
943 /* This shortcut depends on the representation of an Ichar, see text.c. */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
944 if (chr < 256)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
945 return (int) chr;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
946
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
947 BREAKUP_ICHAR (chr, charset, c1, c2);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
948 if (EQ (charset, Vcharset_composite))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
949 return -1; /* #### don't know how to handle */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
950 else if (XCHARSET_DIMENSION (charset) == 1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
951 return ((int *) XCHARSET_TO_UNICODE_TABLE (charset))[c1 - 32];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
952 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
953 return ((int **) XCHARSET_TO_UNICODE_TABLE (charset))[c1 - 32][c2 - 32];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
954 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
955
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
956 static Ichar
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
957 unicode_to_ichar (int code, Lisp_Object_dynarr *charsets)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
958 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
959 int u1, u2, u3, u4;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
960 int code_levels;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
961 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
962 int n = Dynarr_length (charsets);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
963
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
964 type_checking_assert (code >= 0);
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
965 /* This shortcut depends on the representation of an Ichar, see text.c.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
966 Note that it may _not_ be extended to U+00A0 to U+00FF (many ISO 8859
893
c9f067fd71a3 [xemacs-hg @ 2002-07-02 12:32:34 by stephent]
stephent
parents: 877
diff changeset
967 coded character sets have points that map into that region, so this
c9f067fd71a3 [xemacs-hg @ 2002-07-02 12:32:34 by stephent]
stephent
parents: 877
diff changeset
968 function is many-valued). */
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
969 if (code < 0xA0)
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
970 return (Ichar) code;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
971
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
972 BREAKUP_UNICODE_CODE (code, u4, u3, u2, u1, code_levels);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
973
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
974 for (i = 0; i < n; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
975 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
976 Lisp_Object charset = Dynarr_at (charsets, i);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
977 int charset_levels = XCHARSET_FROM_UNICODE_LEVELS (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
978 if (charset_levels >= code_levels)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
979 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
980 void *table = XCHARSET_FROM_UNICODE_TABLE (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
981 short retval;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
982
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
983 switch (charset_levels)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
984 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
985 case 1: retval = ((short *) table)[u1]; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
986 case 2: retval = ((short **) table)[u2][u1]; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
987 case 3: retval = ((short ***) table)[u3][u2][u1]; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
988 case 4: retval = ((short ****) table)[u4][u3][u2][u1]; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
989 default: abort (); retval = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
990 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
991
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
992 if (retval != -1)
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
993 return make_ichar (charset, retval >> 8, retval & 0xFF);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
994 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
995 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
996
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
997 return (Ichar) -1;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
998 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
999
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1000 /* Add charsets to precedence list.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1001 LIST must be a list of charsets. Charsets which are in the list more
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1002 than once are given the precedence implied by their earliest appearance.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1003 Later appearances are ignored. */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1004 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1005 add_charsets_to_precedence_list (Lisp_Object list, int *lbs,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1006 Lisp_Object_dynarr *dynarr)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1007 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1008 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1009 EXTERNAL_LIST_LOOP_2 (elt, list)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1010 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1011 Lisp_Object charset = Fget_charset (elt);
778
2923009caf47 [xemacs-hg @ 2002-03-16 10:38:59 by ben]
ben
parents: 771
diff changeset
1012 int lb = XCHARSET_LEADING_BYTE (charset);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1013 if (lbs[lb - MIN_LEADING_BYTE] == 0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1014 {
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1015 Dynarr_add (dynarr, charset);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1016 lbs[lb - MIN_LEADING_BYTE] = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1017 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1018 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1019 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1020 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1021
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1022 /* Rebuild the charset precedence array.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1023 The "charsets preferred for the current language" get highest precedence,
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1024 followed by the "charsets preferred by default", ordered as in
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1025 Vlanguage_unicode_precedence_list and Vdefault_unicode_precedence_list,
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1026 respectively. All remaining charsets follow in an arbitrary order. */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1027 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1028 recalculate_unicode_precedence (void)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1029 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1030 int lbs[NUM_LEADING_BYTES];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1031 int i;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1032
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1033 for (i = 0; i < NUM_LEADING_BYTES; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1034 lbs[i] = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1035
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1036 Dynarr_reset (unicode_precedence_dynarr);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1037
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1038 add_charsets_to_precedence_list (Vlanguage_unicode_precedence_list,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1039 lbs, unicode_precedence_dynarr);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1040 add_charsets_to_precedence_list (Vdefault_unicode_precedence_list,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1041 lbs, unicode_precedence_dynarr);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1042
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1043 for (i = 0; i < NUM_LEADING_BYTES; i++)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1044 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1045 if (lbs[i] == 0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1046 {
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 800
diff changeset
1047 Lisp_Object charset = charset_by_leading_byte (i + MIN_LEADING_BYTE);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1048 if (!NILP (charset))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1049 Dynarr_add (unicode_precedence_dynarr, charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1050 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1051 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1052 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1053
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1054 DEFUN ("unicode-precedence-list",
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1055 Funicode_precedence_list,
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1056 0, 0, 0, /*
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1057 Return the precedence order among charsets used for Unicode decoding.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1058
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1059 Value is a list of charsets, which are searched in order for a translation
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1060 matching a given Unicode character.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1061
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1062 The highest precedence is given to the language-specific precedence list of
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1063 charsets, defined by `set-language-unicode-precedence-list'. These are
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1064 followed by charsets in the default precedence list, defined by
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1065 `set-default-unicode-precedence-list'. Charsets occurring multiple times are
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1066 given precedence according to their first occurrance in either list. These
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1067 are followed by the remaining charsets, in some arbitrary order.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1068
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1069 The language-specific precedence list is meant to be set as part of the
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1070 language environment initialization; the default precedence list is meant
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1071 to be set by the user.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1072 */
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1073 ())
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1074 {
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1075 int i;
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1076 Lisp_Object list = Qnil;
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1077
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1078 for (i = Dynarr_length (unicode_precedence_dynarr) - 1; i >= 0; i--)
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1079 list = Fcons (Dynarr_at (unicode_precedence_dynarr, i), list);
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1080 return list;
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1081 }
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1082
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1083
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1084 /* #### This interface is wrong. Cyrillic users and Chinese users are going
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1085 to have varying opinions about whether ISO Cyrillic, KOI8-R, or Windows
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1086 1251 should take precedence, and whether Big Five or CNS should take
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1087 precedence, respectively. This means that users are sometimes going to
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1088 want to set Vlanguage_unicode_precedence_list.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1089 Furthermore, this should be language-local (buffer-local would be a
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1090 reasonable approximation). */
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1091 DEFUN ("set-language-unicode-precedence-list",
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1092 Fset_language_unicode_precedence_list,
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1093 1, 1, 0, /*
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1094 Set the language-specific precedence of charsets in Unicode decoding.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1095 LIST is a list of charsets.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1096 See `unicode-precedence-list' for more information.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1097 */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1098 (list))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1099 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1100 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1101 EXTERNAL_LIST_LOOP_2 (elt, list)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1102 Fget_charset (elt);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1103 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1104
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1105 Vlanguage_unicode_precedence_list = list;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1106 recalculate_unicode_precedence ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1107 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1108 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1109
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1110 DEFUN ("language-unicode-precedence-list",
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1111 Flanguage_unicode_precedence_list,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1112 0, 0, 0, /*
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1113 Return the language-specific precedence list used for Unicode decoding.
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1114 See `unicode-precedence-list' for more information.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1115 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1116 ())
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1117 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1118 return Vlanguage_unicode_precedence_list;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1119 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1120
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1121 DEFUN ("set-default-unicode-precedence-list",
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1122 Fset_default_unicode_precedence_list,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1123 1, 1, 0, /*
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1124 Set the default precedence list used for Unicode decoding.
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1125 This is intended to be set by the user. See
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1126 `unicode-precedence-list' for more information.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1127 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1128 (list))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1129 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1130 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1131 EXTERNAL_LIST_LOOP_2 (elt, list)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1132 Fget_charset (elt);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1133 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1134
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1135 Vdefault_unicode_precedence_list = list;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1136 recalculate_unicode_precedence ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1137 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1138 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1139
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1140 DEFUN ("default-unicode-precedence-list",
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1141 Fdefault_unicode_precedence_list,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1142 0, 0, 0, /*
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1143 Return the default precedence list used for Unicode decoding.
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1144 See `unicode-precedence-list' for more information.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1145 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1146 ())
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1147 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1148 return Vdefault_unicode_precedence_list;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1149 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1150
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1151 DEFUN ("set-unicode-conversion", Fset_unicode_conversion,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1152 2, 2, 0, /*
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1153 Add conversion information between Unicode codepoints and characters.
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1154 Conversions for U+0000 to U+00FF are hardwired to ASCII, Control-1, and
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1155 Latin-1. Attempts to set these values will raise an error.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1156
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1157 CHARACTER is one of the following:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1158
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1159 -- A character (in which case CODE must be a non-negative integer; values
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1160 above 2^20 - 1 are allowed for the purpose of specifying private
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1161 characters, but are illegal in standard Unicode---they will cause errors
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1162 when converted to utf-16)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1163 -- A vector of characters (in which case CODE must be a vector of integers
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1164 of the same length)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1165 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1166 (character, code))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1167 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1168 Lisp_Object charset;
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1169 int ichar, unicode;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1170
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1171 CHECK_CHAR (character);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1172 CHECK_NATNUM (code);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1173
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1174 unicode = XINT (code);
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1175 ichar = XCHAR (character);
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1176 charset = ichar_charset (ichar);
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1177
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1178 /* The translations of ASCII, Control-1, and Latin-1 code points are
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1179 hard-coded in ichar_to_unicode and unicode_to_ichar.
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1180
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1181 Checking unicode < 256 && ichar != unicode is wrong because Mule gives
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1182 many Latin characters code points in a few different character sets. */
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1183 if ((EQ (charset, Vcharset_ascii) ||
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1184 EQ (charset, Vcharset_control_1) ||
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1185 EQ (charset, Vcharset_latin_iso8859_1))
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1186 && unicode != ichar)
893
c9f067fd71a3 [xemacs-hg @ 2002-07-02 12:32:34 by stephent]
stephent
parents: 877
diff changeset
1187 signal_error (Qinvalid_argument, "Can't change Unicode translation for ASCII, Control-1 or Latin-1 character",
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1188 character);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1189
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1190 /* #### Composite characters are not properly implemented yet. */
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1191 if (EQ (charset, Vcharset_composite))
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1192 signal_error (Qinvalid_argument, "Can't set Unicode translation for Composite char",
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1193 character);
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1194
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1195 set_unicode_conversion (ichar, unicode);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1196 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1197 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1198
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1199 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1200
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 793
diff changeset
1201 DEFUN ("char-to-unicode", Fchar_to_unicode, 1, 1, 0, /*
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1202 Convert character to Unicode codepoint.
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1203 When there is no international support (i.e. the 'mule feature is not
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1204 present), this function simply does `char-to-int'.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1205 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1206 (character))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1207 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1208 CHECK_CHAR (character);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1209 #ifdef MULE
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1210 return make_int (ichar_to_unicode (XCHAR (character)));
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1211 #else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1212 return Fchar_to_int (character);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1213 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1214 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1215
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 793
diff changeset
1216 DEFUN ("unicode-to-char", Funicode_to_char, 1, 2, 0, /*
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1217 Convert Unicode codepoint to character.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1218 CODE should be a non-negative integer.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1219 If CHARSETS is given, it should be a list of charsets, and only those
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1220 charsets will be consulted, in the given order, for a translation.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1221 Otherwise, the default ordering of all charsets will be given (see
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1222 `set-unicode-charset-precedence').
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1223
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1224 When there is no international support (i.e. the 'mule feature is not
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1225 present), this function simply does `int-to-char' and ignores the CHARSETS
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1226 argument.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1227 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1228 (code, charsets))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1229 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1230 #ifdef MULE
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1231 Lisp_Object_dynarr *dyn;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1232 int lbs[NUM_LEADING_BYTES];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1233 int c;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1234
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1235 CHECK_NATNUM (code);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1236 c = XINT (code);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1237 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1238 EXTERNAL_LIST_LOOP_2 (elt, charsets)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1239 Fget_charset (elt);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1240 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1241
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1242 if (NILP (charsets))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1243 {
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1244 Ichar ret = unicode_to_ichar (c, unicode_precedence_dynarr);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1245 if (ret == -1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1246 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1247 return make_char (ret);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1248 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1249
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1250 dyn = Dynarr_new (Lisp_Object);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1251 memset (lbs, 0, NUM_LEADING_BYTES * sizeof (int));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1252 add_charsets_to_precedence_list (charsets, lbs, dyn);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1253 {
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1254 Ichar ret = unicode_to_ichar (c, dyn);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1255 Dynarr_free (dyn);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1256 if (ret == -1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1257 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1258 return make_char (ret);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1259 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1260 #else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1261 CHECK_NATNUM (code);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1262 return Fint_to_char (code);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1263 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1264 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1265
872
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 867
diff changeset
1266 #ifdef MULE
79c6ff3eef26 [xemacs-hg @ 2002-06-20 21:18:01 by ben]
ben
parents: 867
diff changeset
1267
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1268 static Lisp_Object
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1269 cerrar_el_fulano (Lisp_Object fulano)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1270 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1271 FILE *file = (FILE *) get_opaque_ptr (fulano);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1272 retry_fclose (file);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1273 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1274 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1275
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1276 /* #### shouldn't this interface be called load-unicode-mapping-table
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1277 for consistency with Unicode Consortium terminology? */
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1278 DEFUN ("parse-unicode-translation-table", Fparse_unicode_translation_table,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1279 2, 6, 0, /*
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1280 Load Unicode tables with the Unicode mapping data in FILENAME for CHARSET.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1281 Data is text, in the form of one translation per line -- charset
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1282 codepoint followed by Unicode codepoint. Numbers are decimal or hex
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1283 \(preceded by 0x). Comments are marked with a #. Charset codepoints
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1284 for two-dimensional charsets have the first octet stored in the
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1285 high 8 bits of the hex number and the second in the low 8 bits.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1286
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1287 If START and END are given, only charset codepoints within the given
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1288 range will be processed. (START and END apply to the codepoints in the
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1289 file, before OFFSET is applied.)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1290
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1291 If OFFSET is given, that value will be added to all charset codepoints
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1292 in the file to obtain the internal charset codepoint. \(We assume
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1293 that octets in the table are in the range 33 to 126 or 32 to 127. If
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1294 you have a table in ku-ten form, with octets in the range 1 to 94, you
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1295 will have to use an offset of 5140, i.e. 0x2020.)
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1296
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1297 FLAGS, if specified, control further how the tables are interpreted
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1298 and are used to special-case certain known format deviations in the
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1299 Unicode tables or in the charset:
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1300
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1301 `ignore-first-column'
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1302 The JIS X 0208 tables have 3 columns of data instead of 2. The first
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1303 column contains the Shift-JIS codepoint, which we ignore.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1304 `big5'
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1305 The charset codepoints are Big Five codepoints; convert it to the
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1306 hacked-up Mule codepoint in `chinese-big5-1' or `chinese-big5-2'.
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1307 */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1308 (filename, charset, start, end, offset, flags))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1309 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1310 int st = 0, en = INT_MAX, of = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1311 FILE *file;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1312 struct gcpro gcpro1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1313 char line[1025];
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1314 int fondo = specpdl_depth ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1315 int ignore_first_column = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1316 int big5 = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1317
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1318 CHECK_STRING (filename);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1319 charset = Fget_charset (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1320 if (!NILP (start))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1321 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1322 CHECK_INT (start);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1323 st = XINT (start);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1324 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1325 if (!NILP (end))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1326 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1327 CHECK_INT (end);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1328 en = XINT (end);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1329 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1330 if (!NILP (offset))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1331 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1332 CHECK_INT (offset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1333 of = XINT (offset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1334 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1335
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1336 if (!LISTP (flags))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1337 flags = list1 (flags);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1338
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1339 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1340 EXTERNAL_LIST_LOOP_2 (elt, flags)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1341 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1342 if (EQ (elt, Qignore_first_column))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1343 ignore_first_column = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1344 else if (EQ (elt, Qbig5))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1345 big5 = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1346 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1347 invalid_constant
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1348 ("Unrecognized `parse-unicode-translation-table' flag", elt);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1349 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1350 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1351
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1352 GCPRO1 (filename);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1353 filename = Fexpand_file_name (filename, Qnil);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1354 file = qxe_fopen (XSTRING_DATA (filename), READ_TEXT);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1355 if (!file)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1356 report_file_error ("Cannot open", filename);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1357 record_unwind_protect (cerrar_el_fulano, make_opaque_ptr (file));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1358 while (fgets (line, sizeof (line), file))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1359 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1360 char *p = line;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1361 int cp1, cp2, endcount;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1362 int cp1high, cp1low;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1363 int dummy;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1364
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1365 while (*p) /* erase all comments out of the line */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1366 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1367 if (*p == '#')
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1368 *p = '\0';
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1369 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1370 p++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1371 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1372 /* see if line is nothing but whitespace and skip if so */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1373 p = line + strspn (line, " \t\n\r\f");
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1374 if (!*p)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1375 continue;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1376 /* NOTE: It appears that MS Windows and Newlib sscanf() have
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1377 different interpretations for whitespace (== "skip all whitespace
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1378 at processing point"): Newlib requires at least one corresponding
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1379 whitespace character in the input, but MS allows none. The
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1380 following would be easier to write if we could count on the MS
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1381 interpretation.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1382
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1383 Also, the return value does NOT include %n storage. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1384 if ((!ignore_first_column ?
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1385 sscanf (p, "%i %i%n", &cp1, &cp2, &endcount) < 2 :
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1386 sscanf (p, "%i %i %i%n", &dummy, &cp1, &cp2, &endcount) < 3)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1387 || *(p + endcount + strspn (p + endcount, " \t\n\r\f")))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1388 {
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 788
diff changeset
1389 warn_when_safe (Qunicode, Qwarning,
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1390 "Unrecognized line in translation file %s:\n%s",
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1391 XSTRING_DATA (filename), line);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1392 continue;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1393 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1394 if (cp1 >= st && cp1 <= en)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1395 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1396 cp1 += of;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1397 if (cp1 < 0 || cp1 >= 65536)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1398 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1399 out_of_range:
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 788
diff changeset
1400 warn_when_safe (Qunicode, Qwarning,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 788
diff changeset
1401 "Out of range first codepoint 0x%x in "
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 788
diff changeset
1402 "translation file %s:\n%s",
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1403 cp1, XSTRING_DATA (filename), line);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1404 continue;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1405 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1406
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1407 cp1high = cp1 >> 8;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1408 cp1low = cp1 & 255;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1409
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1410 if (big5)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1411 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1412 Ichar ch = decode_big5_char (cp1high, cp1low);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1413 if (ch == -1)
793
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 788
diff changeset
1414
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 788
diff changeset
1415 warn_when_safe (Qunicode, Qwarning,
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 788
diff changeset
1416 "Out of range Big5 codepoint 0x%x in "
e38acbeb1cae [xemacs-hg @ 2002-03-29 04:46:17 by ben]
ben
parents: 788
diff changeset
1417 "translation file %s:\n%s",
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1418 cp1, XSTRING_DATA (filename), line);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1419 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1420 set_unicode_conversion (ch, cp2);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1421 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1422 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1423 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1424 int l1, h1, l2, h2;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1425 Ichar emch;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1426
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1427 switch (XCHARSET_TYPE (charset))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1428 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1429 case CHARSET_TYPE_94: l1 = 33; h1 = 126; l2 = 0; h2 = 0; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1430 case CHARSET_TYPE_96: l1 = 32; h1 = 127; l2 = 0; h2 = 0; break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1431 case CHARSET_TYPE_94X94: l1 = 33; h1 = 126; l2 = 33; h2 = 126;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1432 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1433 case CHARSET_TYPE_96X96: l1 = 32; h1 = 127; l2 = 32; h2 = 127;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1434 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1435 default: abort (); l1 = 0; h1 = 0; l2 = 0; h2 = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1436 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1437
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1438 if (cp1high < l2 || cp1high > h2 || cp1low < l1 || cp1low > h1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1439 goto out_of_range;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1440
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1441 emch = (cp1high == 0 ? make_ichar (charset, cp1low, 0) :
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1442 make_ichar (charset, cp1high, cp1low));
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1443 set_unicode_conversion (emch, cp2);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1444 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1445 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1446 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1447
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1448 if (ferror (file))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1449 report_file_error ("IO error when reading", filename);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1450
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1451 unbind_to (fondo); /* close file */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1452 UNGCPRO;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1453 return Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1454 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1455
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1456 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1457
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1458
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1459 /************************************************************************/
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1460 /* Unicode coding system */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1461 /************************************************************************/
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1462
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1463 /* ISO 10646 UTF-16, UCS-4, UTF-8, UTF-7, etc. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1464 DEFINE_CODING_SYSTEM_TYPE (unicode);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1465
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1466 enum unicode_type
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1467 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1468 UNICODE_UTF_16,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1469 UNICODE_UTF_8,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1470 UNICODE_UTF_7,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1471 UNICODE_UCS_4,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1472 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1473
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1474 struct unicode_coding_system
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1475 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1476 enum unicode_type type;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1477 int little_endian :1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1478 int need_bom :1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1479 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1480
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1481 #define CODING_SYSTEM_UNICODE_TYPE(codesys) \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1482 (CODING_SYSTEM_TYPE_DATA (codesys, unicode)->type)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1483 #define XCODING_SYSTEM_UNICODE_TYPE(codesys) \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1484 CODING_SYSTEM_UNICODE_TYPE (XCODING_SYSTEM (codesys))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1485 #define CODING_SYSTEM_UNICODE_LITTLE_ENDIAN(codesys) \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1486 (CODING_SYSTEM_TYPE_DATA (codesys, unicode)->little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1487 #define XCODING_SYSTEM_UNICODE_LITTLE_ENDIAN(codesys) \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1488 CODING_SYSTEM_UNICODE_LITTLE_ENDIAN (XCODING_SYSTEM (codesys))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1489 #define CODING_SYSTEM_UNICODE_NEED_BOM(codesys) \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1490 (CODING_SYSTEM_TYPE_DATA (codesys, unicode)->need_bom)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1491 #define XCODING_SYSTEM_UNICODE_NEED_BOM(codesys) \
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1492 CODING_SYSTEM_UNICODE_NEED_BOM (XCODING_SYSTEM (codesys))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1493
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1494 struct unicode_coding_stream
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1495 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1496 /* decode */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1497 unsigned char counter;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1498 int seen_char;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1499 /* encode */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1500 Lisp_Object current_charset;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1501 int current_char_boundary;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1502 int wrote_bom;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1503 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1504
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1505 static const struct lrecord_description unicode_coding_system_description[] = {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1506 { XD_END }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1507 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1508
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1509 /* Decode a UCS-2 or UCS-4 character into a buffer. If the lookup fails, use
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1510 <GETA MARK> (U+3013) of JIS X 0208, which means correct character
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1511 is not found, instead.
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1512 #### do something more appropriate (use blob?)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1513 Danger, Will Robinson! Data loss. Should we signal user? */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1514 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1515 decode_unicode_char (int ch, unsigned_char_dynarr *dst,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1516 struct unicode_coding_stream *data, int ignore_bom)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1517 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1518 if (ch == 0xFEFF && !data->seen_char && ignore_bom)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1519 ;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1520 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1521 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1522 #ifdef MULE
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
1523 Ichar chr = unicode_to_ichar (ch, unicode_precedence_dynarr);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1524
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1525 if (chr != -1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1526 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1527 Ibyte work[MAX_ICHAR_LEN];
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1528 int len;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1529
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1530 len = set_itext_ichar (work, chr);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1531 Dynarr_add_many (dst, work, len);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1532 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1533 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1534 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1535 Dynarr_add (dst, LEADING_BYTE_JAPANESE_JISX0208);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1536 Dynarr_add (dst, 34 + 128);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1537 Dynarr_add (dst, 46 + 128);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1538 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1539 #else
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1540 Dynarr_add (dst, (Ibyte) ch);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1541 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1542 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1543
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1544 data->seen_char = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1545 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1546
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1547 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1548 encode_unicode_char_1 (int code, unsigned_char_dynarr *dst,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1549 enum unicode_type type, int little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1550 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1551 switch (type)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1552 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1553 case UNICODE_UTF_16:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1554 if (little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1555 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1556 Dynarr_add (dst, (unsigned char) (code & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1557 Dynarr_add (dst, (unsigned char) ((code >> 8) & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1558 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1559 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1560 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1561 Dynarr_add (dst, (unsigned char) ((code >> 8) & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1562 Dynarr_add (dst, (unsigned char) (code & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1563 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1564 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1565
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1566 case UNICODE_UCS_4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1567 if (little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1568 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1569 Dynarr_add (dst, (unsigned char) (code & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1570 Dynarr_add (dst, (unsigned char) ((code >> 8) & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1571 Dynarr_add (dst, (unsigned char) ((code >> 16) & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1572 Dynarr_add (dst, (unsigned char) (code >> 24));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1573 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1574 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1575 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1576 Dynarr_add (dst, (unsigned char) (code >> 24));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1577 Dynarr_add (dst, (unsigned char) ((code >> 16) & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1578 Dynarr_add (dst, (unsigned char) ((code >> 8) & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1579 Dynarr_add (dst, (unsigned char) (code & 255));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1580 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1581 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1582
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1583 case UNICODE_UTF_8:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1584 if (code <= 0x7f)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1585 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1586 Dynarr_add (dst, (unsigned char) code);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1587 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1588 else if (code <= 0x7ff)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1589 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1590 Dynarr_add (dst, (unsigned char) ((code >> 6) | 0xc0));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1591 Dynarr_add (dst, (unsigned char) ((code & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1592 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1593 else if (code <= 0xffff)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1594 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1595 Dynarr_add (dst, (unsigned char) ((code >> 12) | 0xe0));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1596 Dynarr_add (dst, (unsigned char) (((code >> 6) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1597 Dynarr_add (dst, (unsigned char) ((code & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1598 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1599 else if (code <= 0x1fffff)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1600 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1601 Dynarr_add (dst, (unsigned char) ((code >> 18) | 0xf0));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1602 Dynarr_add (dst, (unsigned char) (((code >> 12) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1603 Dynarr_add (dst, (unsigned char) (((code >> 6) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1604 Dynarr_add (dst, (unsigned char) ((code & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1605 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1606 else if (code <= 0x3ffffff)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1607 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1608 Dynarr_add (dst, (unsigned char) ((code >> 24) | 0xf8));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1609 Dynarr_add (dst, (unsigned char) (((code >> 18) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1610 Dynarr_add (dst, (unsigned char) (((code >> 12) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1611 Dynarr_add (dst, (unsigned char) (((code >> 6) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1612 Dynarr_add (dst, (unsigned char) ((code & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1613 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1614 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1615 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1616 Dynarr_add (dst, (unsigned char) ((code >> 30) | 0xfc));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1617 Dynarr_add (dst, (unsigned char) (((code >> 24) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1618 Dynarr_add (dst, (unsigned char) (((code >> 18) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1619 Dynarr_add (dst, (unsigned char) (((code >> 12) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1620 Dynarr_add (dst, (unsigned char) (((code >> 6) & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1621 Dynarr_add (dst, (unsigned char) ((code & 0x3f) | 0x80));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1622 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1623 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1624
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1625 case UNICODE_UTF_7: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1626
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1627 default: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1628 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1629 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1630
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1631 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1632 encode_unicode_char (Lisp_Object charset, int h, int l,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1633 unsigned_char_dynarr *dst, enum unicode_type type,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1634 int little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1635 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1636 #ifdef MULE
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1637 int code = ichar_to_unicode (make_ichar (charset, h & 127, l & 127));
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1638
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1639 if (code == -1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1640 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1641 if (type != UNICODE_UTF_16 &&
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1642 XCHARSET_DIMENSION (charset) == 2 &&
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1643 XCHARSET_CHARS (charset) == 94)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1644 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1645 unsigned char final = XCHARSET_FINAL (charset);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1646
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1647 if (('@' <= final) && (final < 0x7f))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1648 code = (0xe00000 + (final - '@') * 94 * 94
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1649 + ((h & 127) - 33) * 94 + (l & 127) - 33);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1650 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1651 code = '?';
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1652 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1653 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1654 code = '?';
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1655 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1656 #else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1657 int code = h;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1658 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1659
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1660 encode_unicode_char_1 (code, dst, type, little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1661 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1662
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1663 static Bytecount
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1664 unicode_convert (struct coding_stream *str, const UExtbyte *src,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1665 unsigned_char_dynarr *dst, Bytecount n)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1666 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1667 unsigned int ch = str->ch;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1668 struct unicode_coding_stream *data = CODING_STREAM_TYPE_DATA (str, unicode);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1669 enum unicode_type type =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1670 XCODING_SYSTEM_UNICODE_TYPE (str->codesys);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1671 int little_endian = XCODING_SYSTEM_UNICODE_LITTLE_ENDIAN (str->codesys);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1672 int ignore_bom = XCODING_SYSTEM_UNICODE_NEED_BOM (str->codesys);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1673 Bytecount orign = n;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1674
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1675 if (str->direction == CODING_DECODE)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1676 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1677 unsigned char counter = data->counter;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1678
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1679 while (n--)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1680 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1681 UExtbyte c = *src++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1682
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1683 switch (type)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1684 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1685 case UNICODE_UTF_8:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1686 switch (counter)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1687 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1688 case 0:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1689 if (c >= 0xfc)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1690 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1691 ch = c & 0x01;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1692 counter = 5;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1693 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1694 else if (c >= 0xf8)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1695 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1696 ch = c & 0x03;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1697 counter = 4;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1698 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1699 else if (c >= 0xf0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1700 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1701 ch = c & 0x07;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1702 counter = 3;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1703 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1704 else if (c >= 0xe0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1705 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1706 ch = c & 0x0f;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1707 counter = 2;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1708 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1709 else if (c >= 0xc0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1710 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1711 ch = c & 0x1f;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1712 counter = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1713 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1714 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1715 decode_unicode_char (c, dst, data, ignore_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1716 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1717 case 1:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1718 ch = (ch << 6) | (c & 0x3f);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1719 decode_unicode_char (ch, dst, data, ignore_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1720 ch = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1721 counter = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1722 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1723 default:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1724 ch = (ch << 6) | (c & 0x3f);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1725 counter--;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1726 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1727 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1728
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1729 case UNICODE_UTF_16:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1730 if (little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1731 ch = (c << counter) | ch;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1732 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1733 ch = (ch << 8) | c;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1734 counter += 8;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1735 if (counter == 16)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1736 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1737 int tempch = ch;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1738 ch = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1739 counter = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1740 decode_unicode_char (tempch, dst, data, ignore_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1741 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1742 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1743
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1744 case UNICODE_UCS_4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1745 if (little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1746 ch = (c << counter) | ch;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1747 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1748 ch = (ch << 8) | c;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1749 counter += 8;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1750 if (counter == 32)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1751 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1752 int tempch = ch;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1753 ch = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1754 counter = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1755 if (tempch < 0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1756 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1757 /* !!#### indicate an error */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1758 tempch = '~';
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1759 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1760 decode_unicode_char (tempch, dst, data, ignore_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1761 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1762 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1763
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1764 case UNICODE_UTF_7:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1765 abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1766 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1767
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1768 default: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1769 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1770
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1771 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1772 if (str->eof)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1773 DECODE_OUTPUT_PARTIAL_CHAR (ch, dst);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1774
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1775 data->counter = counter;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1776 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1777 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1778 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1779 unsigned char char_boundary = data->current_char_boundary;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1780 Lisp_Object charset = data->current_charset;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1781
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1782 #ifdef ENABLE_COMPOSITE_CHARS
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1783 /* flags for handling composite chars. We do a little switcheroo
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1784 on the source while we're outputting the composite char. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1785 Bytecount saved_n = 0;
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1786 const Ibyte *saved_src = NULL;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1787 int in_composite = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1788
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1789 back_to_square_n:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1790 #endif /* ENABLE_COMPOSITE_CHARS */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1791
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1792 if (XCODING_SYSTEM_UNICODE_NEED_BOM (str->codesys) && !data->wrote_bom)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1793 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1794 encode_unicode_char_1 (0xFEFF, dst, type, little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1795 data->wrote_bom = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1796 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1797
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1798 while (n--)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1799 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1800 Ibyte c = *src++;
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1801
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1802 #ifdef MULE
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 800
diff changeset
1803 if (byte_ascii_p (c))
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1804 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1805 { /* Processing ASCII character */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1806 ch = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1807 encode_unicode_char (Vcharset_ascii, c, 0, dst, type,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1808 little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1809
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1810 char_boundary = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1811 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1812 #ifdef MULE
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1813 else if (ibyte_leading_byte_p (c) || ibyte_leading_byte_p (ch))
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1814 { /* Processing Leading Byte */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1815 ch = 0;
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 800
diff changeset
1816 charset = charset_by_leading_byte (c);
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 800
diff changeset
1817 if (leading_byte_prefix_p(c))
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1818 ch = c;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1819 char_boundary = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1820 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1821 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1822 { /* Processing Non-ASCII character */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1823 char_boundary = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1824 if (EQ (charset, Vcharset_control_1))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1825 encode_unicode_char (Vcharset_control_1, c, 0, dst,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1826 type, little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1827 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1828 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1829 switch (XCHARSET_REP_BYTES (charset))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1830 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1831 case 2:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1832 encode_unicode_char (charset, c, 0, dst, type,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1833 little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1834 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1835 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1836 if (XCHARSET_PRIVATE_P (charset))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1837 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1838 encode_unicode_char (charset, c, 0, dst, type,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1839 little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1840 ch = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1841 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1842 else if (ch)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1843 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1844 #ifdef ENABLE_COMPOSITE_CHARS
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1845 if (EQ (charset, Vcharset_composite))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1846 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1847 if (in_composite)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1848 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1849 /* #### Bother! We don't know how to
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1850 handle this yet. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1851 encode_unicode_char (Vcharset_ascii, '~', 0,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1852 dst, type,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1853 little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1854 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1855 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1856 {
867
804517e16990 [xemacs-hg @ 2002-06-05 09:54:39 by ben]
ben
parents: 826
diff changeset
1857 Ichar emch = make_ichar (Vcharset_composite,
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1858 ch & 0x7F,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1859 c & 0x7F);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1860 Lisp_Object lstr =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1861 composite_char_string (emch);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1862 saved_n = n;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1863 saved_src = src;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1864 in_composite = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1865 src = XSTRING_DATA (lstr);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1866 n = XSTRING_LENGTH (lstr);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1867 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1868 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1869 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1870 #endif /* ENABLE_COMPOSITE_CHARS */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1871 encode_unicode_char (charset, ch, c, dst, type,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1872 little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1873 ch = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1874 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1875 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1876 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1877 ch = c;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1878 char_boundary = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1879 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1880 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1881 case 4:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1882 if (ch)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1883 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1884 encode_unicode_char (charset, ch, c, dst, type,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1885 little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1886 ch = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1887 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1888 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1889 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1890 ch = c;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1891 char_boundary = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1892 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1893 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1894 default:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1895 abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1896 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1897 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1898 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1899 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1900 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1901
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1902 #ifdef ENABLE_COMPOSITE_CHARS
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1903 if (in_composite)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1904 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1905 n = saved_n;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1906 src = saved_src;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1907 in_composite = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1908 goto back_to_square_n; /* Wheeeeeeeee ..... */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1909 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1910 #endif /* ENABLE_COMPOSITE_CHARS */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1911
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1912 data->current_char_boundary = char_boundary;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1913 data->current_charset = charset;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1914
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1915 /* La palabra se hizo carne! */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1916 /* A palavra fez-se carne! */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1917 /* Whatever. */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1918 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1919
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1920 str->ch = ch;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1921 return orign;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1922 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1923
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1924 /* DEFINE_DETECTOR (utf_7); */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1925 DEFINE_DETECTOR (utf_8);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1926 DEFINE_DETECTOR_CATEGORY (utf_8, utf_8);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1927 DEFINE_DETECTOR (ucs_4);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1928 DEFINE_DETECTOR_CATEGORY (ucs_4, ucs_4);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1929 DEFINE_DETECTOR (utf_16);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1930 DEFINE_DETECTOR_CATEGORY (utf_16, utf_16);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1931 DEFINE_DETECTOR_CATEGORY (utf_16, utf_16_little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1932 DEFINE_DETECTOR_CATEGORY (utf_16, utf_16_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1933 DEFINE_DETECTOR_CATEGORY (utf_16, utf_16_little_endian_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1934
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1935 struct ucs_4_detector
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1936 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1937 int in_ucs_4_byte;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1938 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1939
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1940 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1941 ucs_4_detect (struct detection_state *st, const UExtbyte *src,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1942 Bytecount n)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1943 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1944 struct ucs_4_detector *data = DETECTION_STATE_DATA (st, ucs_4);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1945
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1946 while (n--)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1947 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1948 UExtbyte c = *src++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1949 switch (data->in_ucs_4_byte)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1950 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1951 case 0:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1952 if (c >= 128)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1953 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1954 DET_RESULT (st, ucs_4) = DET_NEARLY_IMPOSSIBLE;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1955 return;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1956 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1957 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1958 data->in_ucs_4_byte++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1959 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1960 case 3:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1961 data->in_ucs_4_byte = 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1962 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1963 default:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1964 data->in_ucs_4_byte++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1965 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1966 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1967
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1968 /* !!#### write this for real */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1969 DET_RESULT (st, ucs_4) = DET_AS_LIKELY_AS_UNLIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1970 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1971
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1972 struct utf_16_detector
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1973 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1974 unsigned int seen_ffff:1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1975 unsigned int seen_forward_bom:1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1976 unsigned int seen_rev_bom:1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1977 int byteno;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1978 int prev_char;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1979 int text, rev_text;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1980 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1981
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1982 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1983 utf_16_detect (struct detection_state *st, const UExtbyte *src,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1984 Bytecount n)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1985 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1986 struct utf_16_detector *data = DETECTION_STATE_DATA (st, utf_16);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1987
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1988 while (n--)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1989 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1990 UExtbyte c = *src++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1991 int prevc = data->prev_char;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1992 if (data->byteno == 1 && c == 0xFF && prevc == 0xFE)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1993 data->seen_forward_bom = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1994 else if (data->byteno == 1 && c == 0xFE && prevc == 0xFF)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1995 data->seen_rev_bom = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1996
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1997 if (data->byteno & 1)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1998 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
1999 if (c == 0xFF && prevc == 0xFF)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2000 data->seen_ffff = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2001 if (prevc == 0
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2002 && (c == '\r' || c == '\n'
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2003 || (c >= 0x20 && c <= 0x7E)))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2004 data->text++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2005 if (c == 0
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2006 && (prevc == '\r' || prevc == '\n'
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2007 || (prevc >= 0x20 && prevc <= 0x7E)))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2008 data->rev_text++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2009 if (prevc == 0x20 && (c == 0x28 || c == 0x29))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2010 data->text++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2011 if (c == 0x20 && (prevc == 0x28 || prevc == 0x29))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2012 data->rev_text++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2013 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2014
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2015 data->byteno++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2016 data->prev_char = c;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2017 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2018
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2019 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2020 int variance_indicates_big_endian =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2021 (data->text >= 10
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2022 && (data->rev_text == 0
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2023 || data->text / data->rev_text >= 10));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2024 int variance_indicates_little_endian =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2025 (data->rev_text >= 10
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2026 && (data->text == 0
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2027 || data->rev_text / data->text >= 10));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2028
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2029 if (data->seen_ffff)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2030 SET_DET_RESULTS (st, utf_16, DET_NEARLY_IMPOSSIBLE);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2031 else if (data->seen_forward_bom)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2032 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2033 SET_DET_RESULTS (st, utf_16, DET_NEARLY_IMPOSSIBLE);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2034 if (variance_indicates_big_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2035 DET_RESULT (st, utf_16_bom) = DET_NEAR_CERTAINTY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2036 else if (variance_indicates_little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2037 DET_RESULT (st, utf_16_bom) = DET_SOMEWHAT_LIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2038 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2039 DET_RESULT (st, utf_16_bom) = DET_QUITE_PROBABLE;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2040 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2041 else if (data->seen_forward_bom)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2042 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2043 SET_DET_RESULTS (st, utf_16, DET_NEARLY_IMPOSSIBLE);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2044 if (variance_indicates_big_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2045 DET_RESULT (st, utf_16_bom) = DET_NEAR_CERTAINTY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2046 else if (variance_indicates_little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2047 /* #### may need to rethink */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2048 DET_RESULT (st, utf_16_bom) = DET_SOMEWHAT_LIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2049 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2050 /* #### may need to rethink */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2051 DET_RESULT (st, utf_16_bom) = DET_QUITE_PROBABLE;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2052 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2053 else if (data->seen_rev_bom)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2054 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2055 SET_DET_RESULTS (st, utf_16, DET_NEARLY_IMPOSSIBLE);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2056 if (variance_indicates_little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2057 DET_RESULT (st, utf_16_little_endian_bom) = DET_NEAR_CERTAINTY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2058 else if (variance_indicates_big_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2059 /* #### may need to rethink */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2060 DET_RESULT (st, utf_16_little_endian_bom) = DET_SOMEWHAT_LIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2061 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2062 /* #### may need to rethink */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2063 DET_RESULT (st, utf_16_little_endian_bom) = DET_QUITE_PROBABLE;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2064 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2065 else if (variance_indicates_big_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2066 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2067 SET_DET_RESULTS (st, utf_16, DET_NEARLY_IMPOSSIBLE);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2068 DET_RESULT (st, utf_16) = DET_SOMEWHAT_LIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2069 DET_RESULT (st, utf_16_little_endian) = DET_SOMEWHAT_UNLIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2070 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2071 else if (variance_indicates_little_endian)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2072 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2073 SET_DET_RESULTS (st, utf_16, DET_NEARLY_IMPOSSIBLE);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2074 DET_RESULT (st, utf_16) = DET_SOMEWHAT_UNLIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2075 DET_RESULT (st, utf_16_little_endian) = DET_SOMEWHAT_LIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2076 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2077 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2078 SET_DET_RESULTS (st, utf_16, DET_AS_LIKELY_AS_UNLIKELY);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2079 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2080 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2081
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2082 struct utf_8_detector
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2083 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2084 int in_utf_8_byte;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2085 };
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2086
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2087 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2088 utf_8_detect (struct detection_state *st, const UExtbyte *src,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2089 Bytecount n)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2090 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2091 struct utf_8_detector *data = DETECTION_STATE_DATA (st, utf_8);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2092
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2093 while (n--)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2094 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2095 UExtbyte c = *src++;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2096 switch (data->in_utf_8_byte)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2097 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2098 case 0:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2099 if (c == ISO_CODE_ESC || c == ISO_CODE_SI || c == ISO_CODE_SO)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2100 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2101 DET_RESULT (st, utf_8) = DET_SOMEWHAT_UNLIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2102 return;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2103 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2104 else if (c >= 0xfc)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2105 data->in_utf_8_byte = 5;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2106 else if (c >= 0xf8)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2107 data->in_utf_8_byte = 4;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2108 else if (c >= 0xf0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2109 data->in_utf_8_byte = 3;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2110 else if (c >= 0xe0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2111 data->in_utf_8_byte = 2;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2112 else if (c >= 0xc0)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2113 data->in_utf_8_byte = 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2114 else if (c >= 0x80)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2115 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2116 DET_RESULT (st, utf_8) = DET_SOMEWHAT_UNLIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2117 return;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2118 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2119 break;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2120 default:
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2121 if ((c & 0xc0) != 0x80)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2122 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2123 DET_RESULT (st, utf_8) = DET_SOMEWHAT_UNLIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2124 return;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2125 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2126 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2127 data->in_utf_8_byte--;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2128 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2129 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2130 DET_RESULT (st, utf_8) = DET_SOMEWHAT_LIKELY;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2131 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2132
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2133 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2134 unicode_init_coding_stream (struct coding_stream *str)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2135 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2136 struct unicode_coding_stream *data =
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2137 CODING_STREAM_TYPE_DATA (str, unicode);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2138 xzero (*data);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2139 data->current_charset = Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2140 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2141
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2142 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2143 unicode_rewind_coding_stream (struct coding_stream *str)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2144 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2145 unicode_init_coding_stream (str);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2146 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2147
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2148 static int
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2149 unicode_putprop (Lisp_Object codesys, Lisp_Object key, Lisp_Object value)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2150 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2151 if (EQ (key, Qtype))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2152 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2153 enum unicode_type type;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2154
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2155 if (EQ (value, Qutf_8))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2156 type = UNICODE_UTF_8;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2157 else if (EQ (value, Qutf_16))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2158 type = UNICODE_UTF_16;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2159 else if (EQ (value, Qutf_7))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2160 type = UNICODE_UTF_7;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2161 else if (EQ (value, Qucs_4))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2162 type = UNICODE_UCS_4;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2163 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2164 invalid_constant ("Invalid Unicode type", key);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2165
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2166 XCODING_SYSTEM_UNICODE_TYPE (codesys) = type;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2167 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2168 else if (EQ (key, Qlittle_endian))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2169 XCODING_SYSTEM_UNICODE_LITTLE_ENDIAN (codesys) = !NILP (value);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2170 else if (EQ (key, Qneed_bom))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2171 XCODING_SYSTEM_UNICODE_NEED_BOM (codesys) = !NILP (value);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2172 else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2173 return 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2174 return 1;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2175 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2176
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2177 static Lisp_Object
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2178 unicode_getprop (Lisp_Object coding_system, Lisp_Object prop)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2179 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2180 if (EQ (prop, Qtype))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2181 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2182 switch (XCODING_SYSTEM_UNICODE_TYPE (coding_system))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2183 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2184 case UNICODE_UTF_16: return Qutf_16;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2185 case UNICODE_UTF_8: return Qutf_8;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2186 case UNICODE_UTF_7: return Qutf_7;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2187 case UNICODE_UCS_4: return Qucs_4;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2188 default: abort ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2189 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2190 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2191 else if (EQ (prop, Qlittle_endian))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2192 return XCODING_SYSTEM_UNICODE_LITTLE_ENDIAN (coding_system) ? Qt : Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2193 else if (EQ (prop, Qneed_bom))
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2194 return XCODING_SYSTEM_UNICODE_NEED_BOM (coding_system) ? Qt : Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2195 return Qunbound;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2196 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2197
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2198 static void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2199 unicode_print (Lisp_Object cs, Lisp_Object printcharfun, int escapeflag)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2200 {
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 793
diff changeset
2201 write_fmt_string_lisp (printcharfun, "(%s", 1, unicode_getprop (cs, Qtype));
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2202 if (XCODING_SYSTEM_UNICODE_LITTLE_ENDIAN (cs))
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 800
diff changeset
2203 write_c_string (printcharfun, ", little-endian");
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2204 if (XCODING_SYSTEM_UNICODE_NEED_BOM (cs))
826
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 800
diff changeset
2205 write_c_string (printcharfun, ", need-bom");
6728e641994e [xemacs-hg @ 2002-05-05 11:30:15 by ben]
ben
parents: 800
diff changeset
2206 write_c_string (printcharfun, ")");
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2207 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2208
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2209 int
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2210 dfc_coding_system_is_unicode (Lisp_Object codesys)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2211 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2212 #ifdef HAVE_WIN32_CODING_SYSTEMS
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2213 codesys = Fget_coding_system (codesys);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2214 return (EQ (XCODING_SYSTEM_TYPE (codesys), Qunicode) &&
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2215 XCODING_SYSTEM_UNICODE_TYPE (codesys) == UNICODE_UTF_16 &&
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2216 XCODING_SYSTEM_UNICODE_LITTLE_ENDIAN (codesys));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2217
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2218 #else
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2219 return 0;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2220 #endif
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2221 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2222
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2223
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2224 /************************************************************************/
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2225 /* Initialization */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2226 /************************************************************************/
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2227
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2228 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2229 syms_of_unicode (void)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2230 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2231 #ifdef MULE
877
e54d47b2d736 [xemacs-hg @ 2002-06-23 09:54:35 by stephent]
stephent
parents: 872
diff changeset
2232 DEFSUBR (Funicode_precedence_list);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2233 DEFSUBR (Fset_language_unicode_precedence_list);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2234 DEFSUBR (Flanguage_unicode_precedence_list);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2235 DEFSUBR (Fset_default_unicode_precedence_list);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2236 DEFSUBR (Fdefault_unicode_precedence_list);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2237 DEFSUBR (Fset_unicode_conversion);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2238
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2239 DEFSUBR (Fparse_unicode_translation_table);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2240
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2241 DEFSYMBOL (Qignore_first_column);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2242 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2243
800
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 793
diff changeset
2244 DEFSUBR (Fchar_to_unicode);
a5954632b187 [xemacs-hg @ 2002-03-31 08:27:14 by ben]
ben
parents: 793
diff changeset
2245 DEFSUBR (Funicode_to_char);
771
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2246
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2247 DEFSYMBOL (Qunicode);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2248 DEFSYMBOL (Qucs_4);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2249 DEFSYMBOL (Qutf_16);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2250 DEFSYMBOL (Qutf_8);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2251 DEFSYMBOL (Qutf_7);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2252
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2253 DEFSYMBOL (Qneed_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2254
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2255 DEFSYMBOL (Qutf_16);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2256 DEFSYMBOL (Qutf_16_little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2257 DEFSYMBOL (Qutf_16_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2258 DEFSYMBOL (Qutf_16_little_endian_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2259 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2260
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2261 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2262 coding_system_type_create_unicode (void)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2263 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2264 INITIALIZE_CODING_SYSTEM_TYPE_WITH_DATA (unicode, "unicode-coding-system-p");
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2265 CODING_SYSTEM_HAS_METHOD (unicode, print);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2266 CODING_SYSTEM_HAS_METHOD (unicode, convert);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2267 CODING_SYSTEM_HAS_METHOD (unicode, init_coding_stream);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2268 CODING_SYSTEM_HAS_METHOD (unicode, rewind_coding_stream);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2269 CODING_SYSTEM_HAS_METHOD (unicode, putprop);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2270 CODING_SYSTEM_HAS_METHOD (unicode, getprop);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2271
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2272 INITIALIZE_DETECTOR (utf_8);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2273 DETECTOR_HAS_METHOD (utf_8, detect);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2274 INITIALIZE_DETECTOR_CATEGORY (utf_8, utf_8);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2275
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2276 INITIALIZE_DETECTOR (ucs_4);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2277 DETECTOR_HAS_METHOD (ucs_4, detect);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2278 INITIALIZE_DETECTOR_CATEGORY (ucs_4, ucs_4);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2279
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2280 INITIALIZE_DETECTOR (utf_16);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2281 DETECTOR_HAS_METHOD (utf_16, detect);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2282 INITIALIZE_DETECTOR_CATEGORY (utf_16, utf_16);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2283 INITIALIZE_DETECTOR_CATEGORY (utf_16, utf_16_little_endian);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2284 INITIALIZE_DETECTOR_CATEGORY (utf_16, utf_16_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2285 INITIALIZE_DETECTOR_CATEGORY (utf_16, utf_16_little_endian_bom);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2286 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2287
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2288 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2289 reinit_coding_system_type_create_unicode (void)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2290 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2291 REINITIALIZE_CODING_SYSTEM_TYPE (unicode);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2292 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2293
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2294 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2295 reinit_vars_of_unicode (void)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2296 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2297 #ifdef MULE
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2298 init_blank_unicode_tables ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2299 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2300 }
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2301
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2302 void
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2303 vars_of_unicode (void)
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2304 {
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2305 reinit_vars_of_unicode ();
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2306
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2307 Fprovide (intern ("unicode"));
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2308
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2309 #ifdef MULE
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2310 staticpro (&Vlanguage_unicode_precedence_list);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2311 Vlanguage_unicode_precedence_list = Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2312
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2313 staticpro (&Vdefault_unicode_precedence_list);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2314 Vdefault_unicode_precedence_list = Qnil;
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2315
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2316 unicode_precedence_dynarr = Dynarr_new (Lisp_Object);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2317 dump_add_root_struct_ptr (&unicode_precedence_dynarr,
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2318 &lisp_object_dynarr_description);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2319 #if 0
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2320 dump_add_root_thing (&to_unicode_blank_1, to_unicode_level_1_desc);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2321 dump_add_root_thing (&to_unicode_blank_2, to_unicode_level_2_desc);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2322
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2323 dump_add_root_thing (&from_unicode_blank_1, from_unicode_level_1_desc);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2324 dump_add_root_thing (&from_unicode_blank_2, from_unicode_level_2_desc);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2325 dump_add_root_thing (&from_unicode_blank_3, from_unicode_level_3_desc);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2326 dump_add_root_thing (&from_unicode_blank_4, from_unicode_level_4_desc);
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2327 #endif
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2328
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2329 #endif /* MULE */
943eaba38521 [xemacs-hg @ 2002-03-13 08:51:24 by ben]
ben
parents:
diff changeset
2330 }