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1 /* XEmacs routines to deal with case tables.
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2 Copyright (C) 2000 Yoshiki Hayashi.
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3 Copyright (C) 2002 Ben Wing.
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446
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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: Not in FSF. */
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22
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23 #ifndef INCLUDED_casetab_h_
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24 #define INCLUDED_casetab_h_
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25
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26 struct Lisp_Case_Table
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27 {
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28 #ifdef MC_ALLOC
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29 struct lrecord_header header;
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30 #else /* MC_ALLOC */
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31 struct lcrecord_header header;
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32 #endif /* MC_ALLOC */
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33 Lisp_Object downcase_table;
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34 Lisp_Object upcase_table;
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35 Lisp_Object case_canon_table;
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36 Lisp_Object case_eqv_table;
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37 int dirty;
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38 };
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39 typedef struct Lisp_Case_Table Lisp_Case_Table;
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40
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41 DECLARE_LRECORD (case_table, Lisp_Case_Table);
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42 #define XCASE_TABLE(x) XRECORD (x, case_table, Lisp_Case_Table)
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43 #define wrap_case_table(p) wrap_record (p, case_table)
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44 #define CASE_TABLEP(x) RECORDP (x, case_table)
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45 #define CHECK_CASE_TABLE(x) CHECK_RECORD (x, case_table)
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46 #define CONCHECK_CASE_TABLE(x) CONCHECK_RECORD (x, case_table)
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47
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48 void recompute_case_table (Lisp_Object casetab);
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49
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50 DECLARE_INLINE_HEADER (
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51 Lisp_Case_Table *
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52 XCASE_TABLE_UPDATE (Lisp_Object table)
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53 )
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54 {
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55 Lisp_Case_Table *ct = XCASE_TABLE (table);
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56 /* If the table is dirty (changes have been made without ancillary
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57 structures updated), recompute first. */
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58 if (ct->dirty)
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59 recompute_case_table (table);
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60 return ct;
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61 }
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62
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63 #define CASE_TABLE_DOWNCASE(ct) ((ct)->downcase_table)
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64 #define CASE_TABLE_UPCASE(ct) ((ct)->upcase_table)
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65 #define CASE_TABLE_CANON(ct) ((ct)->case_canon_table)
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66 #define CASE_TABLE_EQV(ct) ((ct)->case_eqv_table)
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67 #define XCASE_TABLE_DOWNCASE(ct) (XCASE_TABLE (ct)->downcase_table)
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68 #define XCASE_TABLE_UPCASE(ct) (XCASE_TABLE (ct)->upcase_table)
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69 /* Only do automatic updating for canon and eqv, which are the two that are
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70 automatically computed and that are not up to date. These are not
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71 normally used by the simple case routines. canon is used by
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72 compare-buffer-substrings when case-insensitive and by the regex
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73 routines, and eqv is used only by the Boyer-Moore search routines. */
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74 #define XCASE_TABLE_CANON(ct) (XCASE_TABLE_UPDATE (ct)->case_canon_table)
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75 #define XCASE_TABLE_EQV(ct) (XCASE_TABLE_UPDATE (ct)->case_eqv_table)
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76
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77 #define SET_CASE_TABLE_DOWNCASE(ct, p) ((ct)->downcase_table = p)
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78 #define SET_CASE_TABLE_UPCASE(ct, p) ((ct)->upcase_table = p)
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79 #define SET_CASE_TABLE_CANON(ct, p) ((ct)->case_canon_table = p)
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80 #define SET_CASE_TABLE_EQV(ct, p) ((ct)->case_eqv_table = p)
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81 #define XSET_CASE_TABLE_DOWNCASE(ct, p) \
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82 SET_CASE_TABLE_DOWNCASE (XCASE_TABLE (ct), p)
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83 #define XSET_CASE_TABLE_UPCASE(ct, p) \
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84 SET_CASE_TABLE_UPCASE (XCASE_TABLE (ct), p)
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85 #define XSET_CASE_TABLE_CANON(ct, p) \
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86 SET_CASE_TABLE_CANON (XCASE_TABLE (ct), p)
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87 #define XSET_CASE_TABLE_EQV(ct, p) \
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88 SET_CASE_TABLE_EQV (XCASE_TABLE (ct), p)
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89
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90 extern Lisp_Object Vstandard_case_table;
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91
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92 #endif /* INCLUDED_casetab_h_ */
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