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428
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1 /* XEmacs routines to deal with case tables.
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2 Copyright (C) 1987, 1992, 1993, 1994 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Sun Microsystems, Inc.
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793
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4 Copyright (C) 2002 Ben Wing.
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428
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5
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6 This file is part of XEmacs.
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7
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8 XEmacs is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by the
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10 Free Software Foundation; either version 2, or (at your option) any
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11 later version.
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12
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13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with XEmacs; see the file COPYING. If not, write to
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20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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21 Boston, MA 02111-1307, USA. */
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22
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771
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23 /* Synched up with: FSF 19.28. Between FSF 19.28 and 19.30, casetab.c
|
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428
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24 was rewritten to use junky FSF char tables. Meanwhile I rewrote it
|
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771
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25 to use more logical char tables. --ben */
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428
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26
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826
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27 /* Written by Howard Gayle. */
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428
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28
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29 /* Modified for Mule by Ben Wing. */
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30
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826
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31 /* The four tables in a case table are downcase, upcase, canon, and eqv.
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32 Each is a char-table. Their workings are rather non-obvious.
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33
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34 (1) `downcase' is the only obvious table: Map a character to its
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35 lowercase equivalent.
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771
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36
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826
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37 (2) `upcase' does *NOT* map a character to its uppercase equivalent,
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38 despite its name. Rather, it maps lowercase characters to their
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39 uppercase equivalent, and uppercase characters to *ANYTHING BUT* their
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40 uppercase equivalent (currently, their lowercase equivalent), and
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41 characters without case to themselves. It is used to determine if a
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42 character "has no case" (no uppercase or lowercase mapping). #### This
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43 is way bogus. Just use the obvious implementation of uppercase mapping
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44 and of NOCASE_P.
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446
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45
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|
826
|
46 (3) `canon' maps each character to a "canonical" lowercase, such that if
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47 two different uppercase characters map to the same lowercase character,
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|
48 or vice versa, both characters will have the same entry in the canon
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49 table.
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446
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50
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|
826
|
51 (4) `equiv' lists the "equivalence classes" defined by `canon'. Imagine
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52 that all characters are divided into groups having the same `canon'
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53 entry; these groups are called "equivalence classes" and `equiv' lists
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54 them by linking the characters in each equivalence class together in a
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55 circular list.
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56
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57 `canon' is used when doing case-insensitive comparisons. `equiv' is
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58 used in the Boyer-Moore search code.
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59 */
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428
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60
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61 #include <config.h>
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62 #include "lisp.h"
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63 #include "buffer.h"
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64 #include "opaque.h"
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446
|
65 #include "chartab.h"
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66 #include "casetab.h"
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|
428
|
67
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446
|
68 Lisp_Object Qcase_tablep, Qdowncase, Qupcase;
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69 Lisp_Object Vstandard_case_table;
|
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428
|
70
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|
446
|
71 Lisp_Object case_table_char (Lisp_Object ch, Lisp_Object table);
|
|
428
|
72
|
|
826
|
73 #define STRING256_P(obj) ((STRINGP (obj) && string_char_length (obj) == 256))
|
|
446
|
74
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|
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75 static Lisp_Object
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76 mark_case_table (Lisp_Object obj)
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|
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77 {
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|
78 Lisp_Case_Table *ct = XCASE_TABLE (obj);
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79
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80 mark_object (CASE_TABLE_DOWNCASE (ct));
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81 mark_object (CASE_TABLE_UPCASE (ct));
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82 mark_object (CASE_TABLE_CANON (ct));
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83 mark_object (CASE_TABLE_EQV (ct));
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84 return Qnil;
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|
85 }
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86
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|
|
87 static void
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88 print_case_table (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
|
89 {
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|
90 Lisp_Case_Table *ct = XCASE_TABLE (obj);
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|
|
91 if (print_readably)
|
|
826
|
92 printing_unreadable_object ("#<case-table 0x%x>", ct->header.uid);
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|
|
93 write_fmt_string_lisp
|
|
|
94 (printcharfun, "#<case-table downcase=%s upcase=%s canon=%s eqv=%s ", 4,
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|
|
95 CASE_TABLE_DOWNCASE (ct), CASE_TABLE_UPCASE (ct),
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96 CASE_TABLE_CANON (ct), CASE_TABLE_EQV (ct));
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97 write_fmt_string (printcharfun, "0x%x>", ct->header.uid);
|
|
446
|
98 }
|
|
|
99
|
|
1204
|
100 static const struct memory_description case_table_description [] = {
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446
|
101 { XD_LISP_OBJECT, offsetof (Lisp_Case_Table, downcase_table) },
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102 { XD_LISP_OBJECT, offsetof (Lisp_Case_Table, upcase_table) },
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103 { XD_LISP_OBJECT, offsetof (Lisp_Case_Table, case_canon_table) },
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104 { XD_LISP_OBJECT, offsetof (Lisp_Case_Table, case_eqv_table) },
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105 { XD_END }
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106 };
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107
|
|
934
|
108
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|
|
109 DEFINE_LRECORD_IMPLEMENTATION("case-table", case_table,
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110 1, /*dumpable-flag*/
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111 mark_case_table, print_case_table, 0,
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|
|
112 0, 0, case_table_description, Lisp_Case_Table);
|
|
446
|
113
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|
|
114 static Lisp_Object
|
|
826
|
115 allocate_case_table (int init_tables)
|
|
446
|
116 {
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|
|
117 Lisp_Case_Table *ct =
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118 alloc_lcrecord_type (Lisp_Case_Table, &lrecord_case_table);
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119
|
|
826
|
120 if (init_tables)
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|
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121 {
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|
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122 SET_CASE_TABLE_DOWNCASE (ct, MAKE_TRT_TABLE ());
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123 SET_CASE_TABLE_UPCASE (ct, MAKE_TRT_TABLE ());
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124 SET_CASE_TABLE_CANON (ct, MAKE_TRT_TABLE ());
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|
125 SET_CASE_TABLE_EQV (ct, MAKE_TRT_TABLE ());
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|
126 }
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|
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127 else
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128 {
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129 SET_CASE_TABLE_DOWNCASE (ct, Qnil);
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130 SET_CASE_TABLE_UPCASE (ct, Qnil);
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131 SET_CASE_TABLE_CANON (ct, Qnil);
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132 SET_CASE_TABLE_EQV (ct, Qnil);
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133 }
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|
134 return wrap_case_table (ct);
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|
|
135 }
|
|
446
|
136
|
|
826
|
137 DEFUN ("make-case-table", Fmake_case_table, 0, 0, 0, /*
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138 Create a new, empty case table.
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139 */
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140 ())
|
|
|
141 {
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|
|
142 return allocate_case_table (1);
|
|
446
|
143 }
|
|
428
|
144
|
|
|
145 DEFUN ("case-table-p", Fcase_table_p, 1, 1, 0, /*
|
|
444
|
146 Return t if OBJECT is a case table.
|
|
428
|
147 See `set-case-table' for more information on these data structures.
|
|
|
148 */
|
|
444
|
149 (object))
|
|
428
|
150 {
|
|
446
|
151 if (CASE_TABLEP (object))
|
|
|
152 return Qt;
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|
|
153 else
|
|
|
154 {
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|
|
155 Lisp_Object down, up, canon, eqv;
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|
|
156 if (!CONSP (object))
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|
|
157 return Qnil;
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|
|
158 down = XCAR (object); object = XCDR (object);
|
|
|
159 if (!CONSP (object))
|
|
|
160 return Qnil;
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|
|
161 up = XCAR (object); object = XCDR (object);
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|
|
162 if (!CONSP (object))
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|
|
163 return Qnil;
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|
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164 canon = XCAR (object); object = XCDR (object);
|
|
|
165 if (!CONSP (object))
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|
|
166 return Qnil;
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|
|
167 eqv = XCAR (object);
|
|
428
|
168
|
|
446
|
169 return ((STRING256_P (down)
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|
|
170 && (NILP (up) || STRING256_P (up))
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|
|
171 && ((NILP (canon) && NILP (eqv))
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|
|
172 || STRING256_P (canon))
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|
|
173 && (NILP (eqv) || STRING256_P (eqv)))
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|
|
174 ? Qt : Qnil);
|
|
|
175
|
|
|
176 }
|
|
428
|
177 }
|
|
|
178
|
|
|
179 static Lisp_Object
|
|
444
|
180 check_case_table (Lisp_Object object)
|
|
428
|
181 {
|
|
446
|
182 /* This function can GC */
|
|
444
|
183 while (NILP (Fcase_table_p (object)))
|
|
|
184 object = wrong_type_argument (Qcase_tablep, object);
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|
|
185 return object;
|
|
428
|
186 }
|
|
|
187
|
|
446
|
188 Lisp_Object
|
|
|
189 case_table_char (Lisp_Object ch, Lisp_Object table)
|
|
|
190 {
|
|
|
191 Lisp_Object ct_char;
|
|
826
|
192 ct_char = get_char_table (XCHAR (ch), table);
|
|
446
|
193 if (NILP (ct_char))
|
|
|
194 return ch;
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|
|
195 else
|
|
|
196 return ct_char;
|
|
|
197 }
|
|
|
198
|
|
|
199 DEFUN ("get-case-table", Fget_case_table, 3, 3, 0, /*
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|
|
200 Return CHAR-CASE version of CHARACTER in CASE-TABLE.
|
|
|
201
|
|
826
|
202 CHAR-CASE is either `downcase' or `upcase'.
|
|
446
|
203 */
|
|
|
204 (char_case, character, case_table))
|
|
|
205 {
|
|
|
206 CHECK_CHAR (character);
|
|
|
207 CHECK_CASE_TABLE (case_table);
|
|
|
208 if (EQ (char_case, Qdowncase))
|
|
|
209 return case_table_char (character, XCASE_TABLE_DOWNCASE (case_table));
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|
|
210 else if (EQ (char_case, Qupcase))
|
|
|
211 return case_table_char (character, XCASE_TABLE_UPCASE (case_table));
|
|
|
212 else
|
|
563
|
213 invalid_constant ("Char case must be downcase or upcase", char_case);
|
|
446
|
214
|
|
|
215 return Qnil; /* Not reached. */
|
|
|
216 }
|
|
|
217
|
|
|
218 DEFUN ("put-case-table", Fput_case_table, 4, 4, 0, /*
|
|
|
219 Set CHAR-CASE version of CHARACTER to be VALUE in CASE-TABLE.
|
|
|
220
|
|
826
|
221 CHAR-CASE is either `downcase' or `upcase'.
|
|
446
|
222 See also `put-case-table-pair'.
|
|
|
223 */
|
|
|
224 (char_case, character, value, case_table))
|
|
|
225 {
|
|
|
226 CHECK_CHAR (character);
|
|
|
227 CHECK_CHAR (value);
|
|
|
228
|
|
|
229 if (EQ (char_case, Qdowncase))
|
|
|
230 {
|
|
|
231 Fput_char_table (character, value, XCASE_TABLE_DOWNCASE (case_table));
|
|
826
|
232 /* This one is not at all intuitive. See comment at top of file. */
|
|
446
|
233 Fput_char_table (character, value, XCASE_TABLE_UPCASE (case_table));
|
|
|
234 }
|
|
|
235 else if (EQ (char_case, Qupcase))
|
|
|
236 {
|
|
|
237 Fput_char_table (character, value, XCASE_TABLE_UPCASE (case_table));
|
|
826
|
238 Fput_char_table (character, character,
|
|
|
239 XCASE_TABLE_DOWNCASE (case_table));
|
|
446
|
240 }
|
|
|
241 else
|
|
826
|
242 invalid_constant ("CHAR-CASE must be downcase or upcase", char_case);
|
|
446
|
243
|
|
826
|
244 XCASE_TABLE (case_table)->dirty = 1;
|
|
446
|
245 return Qnil;
|
|
|
246 }
|
|
|
247
|
|
|
248 DEFUN ("put-case-table-pair", Fput_case_table_pair, 3, 3, 0, /*
|
|
|
249 Make UC and LC a pair of inter-case-converting letters in CASE-TABLE.
|
|
|
250 UC is an uppercase character and LC is a downcase character.
|
|
|
251 */
|
|
|
252 (uc, lc, case_table))
|
|
|
253 {
|
|
|
254 CHECK_CHAR (uc);
|
|
|
255 CHECK_CHAR (lc);
|
|
|
256 CHECK_CASE_TABLE (case_table);
|
|
|
257
|
|
|
258 Fput_char_table (lc, lc, XCASE_TABLE_DOWNCASE (case_table));
|
|
|
259 Fput_char_table (uc, lc, XCASE_TABLE_UPCASE (case_table));
|
|
|
260 Fput_char_table (uc, lc, XCASE_TABLE_DOWNCASE (case_table));
|
|
|
261 Fput_char_table (lc, uc, XCASE_TABLE_UPCASE (case_table));
|
|
|
262
|
|
826
|
263 XCASE_TABLE (case_table)->dirty = 1;
|
|
446
|
264 return Qnil;
|
|
|
265 }
|
|
|
266
|
|
|
267 DEFUN ("copy-case-table", Fcopy_case_table, 1, 1, 0, /*
|
|
|
268 Return a new case table which is a copy of CASE-TABLE
|
|
|
269 */
|
|
|
270 (case_table))
|
|
|
271 {
|
|
|
272 Lisp_Object new_obj;
|
|
|
273 CHECK_CASE_TABLE (case_table);
|
|
|
274
|
|
826
|
275 new_obj = allocate_case_table (0);
|
|
446
|
276 XSET_CASE_TABLE_DOWNCASE
|
|
|
277 (new_obj, Fcopy_char_table (XCASE_TABLE_DOWNCASE (case_table)));
|
|
|
278 XSET_CASE_TABLE_UPCASE
|
|
|
279 (new_obj, Fcopy_char_table (XCASE_TABLE_UPCASE (case_table)));
|
|
|
280 XSET_CASE_TABLE_CANON
|
|
|
281 (new_obj, Fcopy_char_table (XCASE_TABLE_CANON (case_table)));
|
|
|
282 XSET_CASE_TABLE_EQV
|
|
|
283 (new_obj, Fcopy_char_table (XCASE_TABLE_EQV (case_table)));
|
|
|
284 return new_obj;
|
|
|
285 }
|
|
|
286
|
|
826
|
287 static int
|
|
|
288 compute_canon_mapper (struct chartab_range *range,
|
|
|
289 Lisp_Object table, Lisp_Object val, void *arg)
|
|
|
290 {
|
|
|
291 Lisp_Object casetab = VOID_TO_LISP (arg);
|
|
|
292 if (range->type == CHARTAB_RANGE_CHAR)
|
|
|
293 SET_TRT_TABLE_OF (XCASE_TABLE_CANON (casetab), range->ch,
|
|
|
294 TRT_TABLE_OF (XCASE_TABLE_DOWNCASE (casetab),
|
|
|
295 TRT_TABLE_OF (XCASE_TABLE_UPCASE (casetab),
|
|
|
296 XCHAR (val))));
|
|
|
297
|
|
|
298 return 0;
|
|
|
299 }
|
|
|
300
|
|
|
301 static int
|
|
|
302 initialize_identity_mapper (struct chartab_range *range,
|
|
|
303 Lisp_Object table, Lisp_Object val, void *arg)
|
|
|
304 {
|
|
|
305 Lisp_Object trt = VOID_TO_LISP (arg);
|
|
|
306 if (range->type == CHARTAB_RANGE_CHAR)
|
|
|
307 SET_TRT_TABLE_OF (trt, range->ch, range->ch);
|
|
|
308
|
|
|
309 return 0;
|
|
|
310 }
|
|
|
311
|
|
|
312 static int
|
|
|
313 compute_up_or_eqv_mapper (struct chartab_range *range,
|
|
|
314 Lisp_Object table, Lisp_Object val, void *arg)
|
|
|
315 {
|
|
|
316 Lisp_Object inverse = VOID_TO_LISP (arg);
|
|
867
|
317 Ichar toch = XCHAR (val);
|
|
826
|
318
|
|
|
319 if (range->type == CHARTAB_RANGE_CHAR && range->ch != toch)
|
|
|
320 {
|
|
867
|
321 Ichar c = TRT_TABLE_OF (inverse, toch);
|
|
826
|
322 SET_TRT_TABLE_OF (inverse, toch, range->ch);
|
|
|
323 SET_TRT_TABLE_OF (inverse, range->ch, c);
|
|
|
324 }
|
|
|
325
|
|
|
326 return 0;
|
|
|
327 }
|
|
|
328
|
|
|
329 /* Recomputing the canonical and equivalency tables from scratch is a
|
|
|
330 lengthy process, and doing them incrementally is extremely difficult or
|
|
|
331 perhaps impossible -- and certainly not worth it. To avoid lots of
|
|
|
332 excessive recomputation when lots of stuff is incrementally added, we
|
|
|
333 just store a dirty flag and then recompute when a value from the canon
|
|
|
334 or eqv tables is actually needed. */
|
|
|
335
|
|
|
336 void
|
|
|
337 recompute_case_table (Lisp_Object casetab)
|
|
|
338 {
|
|
|
339 struct chartab_range range;
|
|
|
340
|
|
|
341 range.type = CHARTAB_RANGE_ALL;
|
|
|
342 /* Turn off dirty flag first so we don't get infinite recursion when
|
|
|
343 retrieving the values below! */
|
|
|
344 XCASE_TABLE (casetab)->dirty = 0;
|
|
|
345 map_char_table (XCASE_TABLE_DOWNCASE (casetab), &range,
|
|
|
346 compute_canon_mapper, LISP_TO_VOID (casetab));
|
|
|
347 map_char_table (XCASE_TABLE_CANON (casetab), &range,
|
|
|
348 initialize_identity_mapper,
|
|
|
349 LISP_TO_VOID (XCASE_TABLE_EQV (casetab)));
|
|
|
350 map_char_table (XCASE_TABLE_CANON (casetab), &range,
|
|
|
351 compute_up_or_eqv_mapper,
|
|
|
352 LISP_TO_VOID (XCASE_TABLE_EQV (casetab)));
|
|
|
353 }
|
|
|
354
|
|
428
|
355 DEFUN ("current-case-table", Fcurrent_case_table, 0, 1, 0, /*
|
|
|
356 Return the case table of BUFFER, which defaults to the current buffer.
|
|
|
357 */
|
|
|
358 (buffer))
|
|
|
359 {
|
|
|
360 struct buffer *buf = decode_buffer (buffer, 0);
|
|
|
361
|
|
446
|
362 return buf->case_table;
|
|
428
|
363 }
|
|
|
364
|
|
|
365 DEFUN ("standard-case-table", Fstandard_case_table, 0, 0, 0, /*
|
|
|
366 Return the standard case table.
|
|
|
367 This is the one used for new buffers.
|
|
|
368 */
|
|
|
369 ())
|
|
|
370 {
|
|
446
|
371 return Vstandard_case_table;
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428
|
372 }
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373
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826
|
374 static void
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|
|
375 convert_old_style_syntax_string (Lisp_Object table, Lisp_Object string)
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|
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376 {
|
|
867
|
377 Ichar i;
|
|
826
|
378
|
|
|
379 for (i = 0; i < 256; i++)
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|
867
|
380 SET_TRT_TABLE_OF (table, i, string_ichar (string, i));
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826
|
381 }
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|
|
382
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|
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383 static Lisp_Object
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|
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384 set_case_table (Lisp_Object table, int standard)
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|
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385 {
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|
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386 /* This function can GC */
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|
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387 struct buffer *buf =
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|
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388 standard ? XBUFFER (Vbuffer_defaults) : current_buffer;
|
|
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389
|
|
|
390 check_case_table (table);
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|
|
391
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|
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392 if (CASE_TABLEP (table))
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393 {
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|
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394 if (standard)
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|
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395 Vstandard_case_table = table;
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|
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396
|
|
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397 buf->case_table = table;
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|
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398 }
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399 else
|
|
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400 {
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|
|
401 /* For backward compatibility. */
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|
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402 Lisp_Object down, up, canon, eqv, tail = table;
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403 Lisp_Object casetab =
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|
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404 standard ? Vstandard_case_table : buf->case_table;
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405 struct chartab_range range;
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|
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406
|
|
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407 range.type = CHARTAB_RANGE_ALL;
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408
|
|
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409 Freset_char_table (XCASE_TABLE_DOWNCASE (casetab));
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410 Freset_char_table (XCASE_TABLE_UPCASE (casetab));
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411 Freset_char_table (XCASE_TABLE_CANON (casetab));
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412 Freset_char_table (XCASE_TABLE_EQV (casetab));
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413
|
|
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414 down = XCAR (tail); tail = XCDR (tail);
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415 up = XCAR (tail); tail = XCDR (tail);
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|
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416 canon = XCAR (tail); tail = XCDR (tail);
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|
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417 eqv = XCAR (tail);
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418
|
|
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419 convert_old_style_syntax_string (XCASE_TABLE_DOWNCASE (casetab), down);
|
|
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420
|
|
|
421 if (NILP (up))
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|
|
422 {
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423 map_char_table (XCASE_TABLE_DOWNCASE (casetab), &range,
|
|
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424 initialize_identity_mapper,
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|
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425 LISP_TO_VOID (XCASE_TABLE_UPCASE (casetab)));
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|
|
426 map_char_table (XCASE_TABLE_DOWNCASE (casetab), &range,
|
|
|
427 compute_up_or_eqv_mapper,
|
|
|
428 LISP_TO_VOID (XCASE_TABLE_UPCASE (casetab)));
|
|
|
429 }
|
|
|
430 else
|
|
|
431 convert_old_style_syntax_string (XCASE_TABLE_UPCASE (casetab), up);
|
|
|
432
|
|
|
433 if (NILP (canon))
|
|
|
434 map_char_table (XCASE_TABLE_DOWNCASE (casetab), &range,
|
|
|
435 compute_canon_mapper, LISP_TO_VOID (casetab));
|
|
|
436 else
|
|
|
437 convert_old_style_syntax_string (XCASE_TABLE_CANON (casetab), canon);
|
|
|
438
|
|
|
439 if (NILP (eqv))
|
|
|
440 {
|
|
|
441 map_char_table (XCASE_TABLE_CANON (casetab), &range,
|
|
|
442 initialize_identity_mapper,
|
|
|
443 LISP_TO_VOID (XCASE_TABLE_EQV (casetab)));
|
|
|
444 map_char_table (XCASE_TABLE_CANON (casetab), &range,
|
|
|
445 compute_up_or_eqv_mapper,
|
|
|
446 LISP_TO_VOID (XCASE_TABLE_EQV (casetab)));
|
|
|
447 }
|
|
|
448 else
|
|
|
449 convert_old_style_syntax_string (XCASE_TABLE_CANON (casetab), eqv);
|
|
|
450 }
|
|
|
451
|
|
|
452 return buf->case_table;
|
|
|
453 }
|
|
428
|
454
|
|
|
455 DEFUN ("set-case-table", Fset_case_table, 1, 1, 0, /*
|
|
444
|
456 Select CASE-TABLE as the new case table for the current buffer.
|
|
446
|
457 A case table is a case-table object or list
|
|
|
458 (DOWNCASE UPCASE CANONICALIZE EQUIVALENCES)
|
|
428
|
459 where each element is either nil or a string of length 256.
|
|
446
|
460 The latter is provided for backward-compatibility.
|
|
428
|
461 DOWNCASE maps each character to its lower-case equivalent.
|
|
|
462 UPCASE maps each character to its upper-case equivalent;
|
|
|
463 if lower and upper case characters are in 1-1 correspondence,
|
|
|
464 you may use nil and the upcase table will be deduced from DOWNCASE.
|
|
|
465 CANONICALIZE maps each character to a canonical equivalent;
|
|
|
466 any two characters that are related by case-conversion have the same
|
|
|
467 canonical equivalent character; it may be nil, in which case it is
|
|
|
468 deduced from DOWNCASE and UPCASE.
|
|
|
469 EQUIVALENCES is a map that cyclicly permutes each equivalence class
|
|
|
470 (of characters with the same canonical equivalent); it may be nil,
|
|
|
471 in which case it is deduced from CANONICALIZE.
|
|
|
472
|
|
446
|
473 See also `get-case-table', `put-case-table' and `put-case-table-pair'.
|
|
428
|
474 */
|
|
444
|
475 (case_table))
|
|
428
|
476 {
|
|
446
|
477 /* This function can GC */
|
|
444
|
478 return set_case_table (case_table, 0);
|
|
428
|
479 }
|
|
|
480
|
|
|
481 DEFUN ("set-standard-case-table", Fset_standard_case_table, 1, 1, 0, /*
|
|
444
|
482 Select CASE-TABLE as the new standard case table for new buffers.
|
|
428
|
483 See `set-case-table' for more info on case tables.
|
|
|
484 */
|
|
444
|
485 (case_table))
|
|
428
|
486 {
|
|
446
|
487 /* This function can GC */
|
|
444
|
488 return set_case_table (case_table, 1);
|
|
428
|
489 }
|
|
|
490
|
|
|
491
|
|
|
492 void
|
|
|
493 syms_of_casetab (void)
|
|
|
494 {
|
|
446
|
495 INIT_LRECORD_IMPLEMENTATION (case_table);
|
|
|
496
|
|
563
|
497 DEFSYMBOL_MULTIWORD_PREDICATE (Qcase_tablep);
|
|
|
498 DEFSYMBOL (Qdowncase);
|
|
|
499 DEFSYMBOL (Qupcase);
|
|
428
|
500
|
|
826
|
501 DEFSUBR (Fmake_case_table);
|
|
428
|
502 DEFSUBR (Fcase_table_p);
|
|
446
|
503 DEFSUBR (Fget_case_table);
|
|
|
504 DEFSUBR (Fput_case_table);
|
|
|
505 DEFSUBR (Fput_case_table_pair);
|
|
428
|
506 DEFSUBR (Fcurrent_case_table);
|
|
|
507 DEFSUBR (Fstandard_case_table);
|
|
446
|
508 DEFSUBR (Fcopy_case_table);
|
|
428
|
509 DEFSUBR (Fset_case_table);
|
|
|
510 DEFSUBR (Fset_standard_case_table);
|
|
|
511 }
|
|
|
512
|
|
|
513 void
|
|
|
514 complex_vars_of_casetab (void)
|
|
|
515 {
|
|
867
|
516 REGISTER Ichar i;
|
|
428
|
517
|
|
446
|
518 staticpro (&Vstandard_case_table);
|
|
428
|
519
|
|
826
|
520 Vstandard_case_table = allocate_case_table (1);
|
|
428
|
521
|
|
|
522 for (i = 0; i < 256; i++)
|
|
|
523 {
|
|
|
524 unsigned char lowered = tolower (i);
|
|
|
525
|
|
826
|
526 SET_TRT_TABLE_OF (XCASE_TABLE_DOWNCASE (Vstandard_case_table), i,
|
|
|
527 lowered);
|
|
428
|
528 }
|
|
|
529
|
|
|
530 for (i = 0; i < 256; i++)
|
|
|
531 {
|
|
|
532 unsigned char flipped = (isupper (i) ? tolower (i)
|
|
|
533 : (islower (i) ? toupper (i) : i));
|
|
|
534
|
|
826
|
535 SET_TRT_TABLE_OF (XCASE_TABLE_UPCASE (Vstandard_case_table), i,
|
|
|
536 flipped);
|
|
428
|
537 }
|
|
826
|
538
|
|
|
539 recompute_case_table (Vstandard_case_table);
|
|
428
|
540 }
|
