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comparison: extensions/spellcheck/hunspell/src/csutil.hxx

extensions/spellcheck/hunspell/src/csutil.hxx

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1 /******* BEGIN LICENSE BLOCK *******
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 *
4 * The contents of this file are subject to the Mozilla Public License Version
5 * 1.1 (the "License"); you may not use this file except in compliance with
6 * the License. You may obtain a copy of the License at
7 * http://www.mozilla.org/MPL/
8 *
9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 * for the specific language governing rights and limitations under the
12 * License.
13 *
14 * The Initial Developers of the Original Code are Kevin Hendricks (MySpell)
15 * and László Németh (Hunspell). Portions created by the Initial Developers
16 * are Copyright (C) 2002-2005 the Initial Developers. All Rights Reserved.
17 *
18 * Contributor(s): Kevin Hendricks (kevin.hendricks@sympatico.ca)
19 * David Einstein (deinst@world.std.com)
20 * László Németh (nemethl@gyorsposta.hu)
21 * Caolan McNamara (caolanm@redhat.com)
22 * Davide Prina
23 * Giuseppe Modugno
24 * Gianluca Turconi
25 * Simon Brouwer
26 * Noll Janos
27 * Biro Arpad
28 * Goldman Eleonora
29 * Sarlos Tamas
30 * Bencsath Boldizsar
31 * Halacsy Peter
32 * Dvornik Laszlo
33 * Gefferth Andras
34 * Nagy Viktor
35 * Varga Daniel
36 * Chris Halls
37 * Rene Engelhard
38 * Bram Moolenaar
39 * Dafydd Jones
40 * Harri Pitkanen
41 * Andras Timar
42 * Tor Lillqvist
43 *
44 * Alternatively, the contents of this file may be used under the terms of
45 * either the GNU General Public License Version 2 or later (the "GPL"), or
46 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
47 * in which case the provisions of the GPL or the LGPL are applicable instead
48 * of those above. If you wish to allow use of your version of this file only
49 * under the terms of either the GPL or the LGPL, and not to allow others to
50 * use your version of this file under the terms of the MPL, indicate your
51 * decision by deleting the provisions above and replace them with the notice
52 * and other provisions required by the GPL or the LGPL. If you do not delete
53 * the provisions above, a recipient may use your version of this file under
54 * the terms of any one of the MPL, the GPL or the LGPL.
55 *
56 ******* END LICENSE BLOCK *******/
57
58 #ifndef __CSUTILHXX__
59 #define __CSUTILHXX__
60
61 #include "hunvisapi.h"
62
63 // First some base level utility routines
64
65 #include <string.h>
66 #include "w_char.hxx"
67 #include "htypes.hxx"
68
69 #ifdef MOZILLA_CLIENT
70 #include "nscore.h" // for mozalloc headers
71 #endif
72
73 // casing
74 #define NOCAP 0
75 #define INITCAP 1
76 #define ALLCAP 2
77 #define HUHCAP 3
78 #define HUHINITCAP 4
79
80 // default encoding and keystring
81 #define SPELL_ENCODING "ISO8859-1"
82 #define SPELL_KEYSTRING "qwertyuiop|asdfghjkl|zxcvbnm"
83
84 // default morphological fields
85 #define MORPH_STEM "st:"
86 #define MORPH_ALLOMORPH "al:"
87 #define MORPH_POS "po:"
88 #define MORPH_DERI_PFX "dp:"
89 #define MORPH_INFL_PFX "ip:"
90 #define MORPH_TERM_PFX "tp:"
91 #define MORPH_DERI_SFX "ds:"
92 #define MORPH_INFL_SFX "is:"
93 #define MORPH_TERM_SFX "ts:"
94 #define MORPH_SURF_PFX "sp:"
95 #define MORPH_FREQ "fr:"
96 #define MORPH_PHON "ph:"
97 #define MORPH_HYPH "hy:"
98 #define MORPH_PART "pa:"
99 #define MORPH_FLAG "fl:"
100 #define MORPH_HENTRY "_H:"
101 #define MORPH_TAG_LEN strlen(MORPH_STEM)
102
103 #define MSEP_FLD ' '
104 #define MSEP_REC '\n'
105 #define MSEP_ALT '\v'
106
107 // default flags
108 #define DEFAULTFLAGS 65510
109 #define FORBIDDENWORD 65510
110 #define ONLYUPCASEFLAG 65511
111
112 // convert UTF-16 characters to UTF-8
113 LIBHUNSPELL_DLL_EXPORTED char * u16_u8(char * dest, int size, const w_char * src, int srclen);
114
115 // convert UTF-8 characters to UTF-16
116 LIBHUNSPELL_DLL_EXPORTED int u8_u16(w_char * dest, int size, const char * src);
117
118 // sort 2-byte vector
119 LIBHUNSPELL_DLL_EXPORTED void flag_qsort(unsigned short flags[], int begin, int end);
120
121 // binary search in 2-byte vector
122 LIBHUNSPELL_DLL_EXPORTED int flag_bsearch(unsigned short flags[], unsigned short flag, int right);
123
124 // remove end of line char(s)
125 LIBHUNSPELL_DLL_EXPORTED void mychomp(char * s);
126
127 // duplicate string
128 LIBHUNSPELL_DLL_EXPORTED char * mystrdup(const char * s);
129
130 // strcat for limited length destination string
131 LIBHUNSPELL_DLL_EXPORTED char * mystrcat(char * dest, const char * st, int max);
132
133 // duplicate reverse of string
134 LIBHUNSPELL_DLL_EXPORTED char * myrevstrdup(const char * s);
135
136 // parse into tokens with char delimiter
137 LIBHUNSPELL_DLL_EXPORTED char * mystrsep(char ** sptr, const char delim);
138 // parse into tokens with char delimiter
139 LIBHUNSPELL_DLL_EXPORTED char * mystrsep2(char ** sptr, const char delim);
140
141 // parse into tokens with char delimiter
142 LIBHUNSPELL_DLL_EXPORTED char * mystrrep(char *, const char *, const char *);
143
144 // append s to ends of every lines in text
145 LIBHUNSPELL_DLL_EXPORTED void strlinecat(char * lines, const char * s);
146
147 // tokenize into lines with new line
148 LIBHUNSPELL_DLL_EXPORTED int line_tok(const char * text, char *** lines, char breakchar);
149
150 // tokenize into lines with new line and uniq in place
151 LIBHUNSPELL_DLL_EXPORTED char * line_uniq(char * text, char breakchar);
152 LIBHUNSPELL_DLL_EXPORTED char * line_uniq_app(char ** text, char breakchar);
153
154 // change oldchar to newchar in place
155 LIBHUNSPELL_DLL_EXPORTED char * tr(char * text, char oldc, char newc);
156
157 // reverse word
158 LIBHUNSPELL_DLL_EXPORTED int reverseword(char *);
159
160 // reverse word
161 LIBHUNSPELL_DLL_EXPORTED int reverseword_utf(char *);
162
163 // remove duplicates
164 LIBHUNSPELL_DLL_EXPORTED int uniqlist(char ** list, int n);
165
166 // free character array list
167 LIBHUNSPELL_DLL_EXPORTED void freelist(char *** list, int n);
168
169 // character encoding information
170 struct cs_info {
171 unsigned char ccase;
172 unsigned char clower;
173 unsigned char cupper;
174 };
175
176 LIBHUNSPELL_DLL_EXPORTED int initialize_utf_tbl();
177 LIBHUNSPELL_DLL_EXPORTED void free_utf_tbl();
178 LIBHUNSPELL_DLL_EXPORTED unsigned short unicodetoupper(unsigned short c, int langnum);
179 LIBHUNSPELL_DLL_EXPORTED unsigned short unicodetolower(unsigned short c, int langnum);
180 LIBHUNSPELL_DLL_EXPORTED int unicodeisalpha(unsigned short c);
181
182 LIBHUNSPELL_DLL_EXPORTED struct cs_info * get_current_cs(const char * es);
183
184 // get language identifiers of language codes
185 LIBHUNSPELL_DLL_EXPORTED int get_lang_num(const char * lang);
186
187 // get characters of the given 8bit encoding with lower- and uppercase forms
188 LIBHUNSPELL_DLL_EXPORTED char * get_casechars(const char * enc);
189
190 // convert null terminated string to all caps using encoding
191 LIBHUNSPELL_DLL_EXPORTED void enmkallcap(char * d, const char * p, const char * encoding);
192
193 // convert null terminated string to all little using encoding
194 LIBHUNSPELL_DLL_EXPORTED void enmkallsmall(char * d, const char * p, const char * encoding);
195
196 // convert null terminated string to have initial capital using encoding
197 LIBHUNSPELL_DLL_EXPORTED void enmkinitcap(char * d, const char * p, const char * encoding);
198
199 // convert null terminated string to all caps
200 LIBHUNSPELL_DLL_EXPORTED void mkallcap(char * p, const struct cs_info * csconv);
201
202 // convert null terminated string to all little
203 LIBHUNSPELL_DLL_EXPORTED void mkallsmall(char * p, const struct cs_info * csconv);
204
205 // convert null terminated string to have initial capital
206 LIBHUNSPELL_DLL_EXPORTED void mkinitcap(char * p, const struct cs_info * csconv);
207
208 // convert first nc characters of UTF-8 string to little
209 LIBHUNSPELL_DLL_EXPORTED void mkallsmall_utf(w_char * u, int nc, int langnum);
210
211 // convert first nc characters of UTF-8 string to capital
212 LIBHUNSPELL_DLL_EXPORTED void mkallcap_utf(w_char * u, int nc, int langnum);
213
214 // get type of capitalization
215 LIBHUNSPELL_DLL_EXPORTED int get_captype(char * q, int nl, cs_info *);
216
217 // get type of capitalization (UTF-8)
218 LIBHUNSPELL_DLL_EXPORTED int get_captype_utf8(w_char * q, int nl, int langnum);
219
220 // strip all ignored characters in the string
221 LIBHUNSPELL_DLL_EXPORTED void remove_ignored_chars_utf(char * word, unsigned short ignored_chars[], int ignored_len);
222
223 // strip all ignored characters in the string
224 LIBHUNSPELL_DLL_EXPORTED void remove_ignored_chars(char * word, char * ignored_chars);
225
226 LIBHUNSPELL_DLL_EXPORTED int parse_string(char * line, char ** out, int ln);
227
228 LIBHUNSPELL_DLL_EXPORTED int parse_array(char * line, char ** out, unsigned short ** out_utf16,
229 int * out_utf16_len, int utf8, int ln);
230
231 LIBHUNSPELL_DLL_EXPORTED int fieldlen(const char * r);
232 LIBHUNSPELL_DLL_EXPORTED char * copy_field(char * dest, const char * morph, const char * var);
233
234 LIBHUNSPELL_DLL_EXPORTED int morphcmp(const char * s, const char * t);
235
236 LIBHUNSPELL_DLL_EXPORTED int get_sfxcount(const char * morph);
237
238 // conversion function for protected memory
239 LIBHUNSPELL_DLL_EXPORTED void store_pointer(char * dest, char * source);
240
241 // conversion function for protected memory
242 LIBHUNSPELL_DLL_EXPORTED char * get_stored_pointer(const char * s);
243
244 // hash entry macros
245 LIBHUNSPELL_DLL_EXPORTED inline char* HENTRY_DATA(struct hentry *h)
246 {
247 char *ret;
248 if (!h->var)
249 ret = NULL;
250 else if (h->var & H_OPT_ALIASM)
251 ret = get_stored_pointer(HENTRY_WORD(h) + h->blen + 1);
252 else
253 ret = HENTRY_WORD(h) + h->blen + 1;
254 return ret;
255 }
256
257 // NULL-free version for warning-free OOo build
258 LIBHUNSPELL_DLL_EXPORTED inline const char* HENTRY_DATA2(const struct hentry *h)
259 {
260 const char *ret;
261 if (!h->var)
262 ret = "";
263 else if (h->var & H_OPT_ALIASM)
264 ret = get_stored_pointer(HENTRY_WORD(h) + h->blen + 1);
265 else
266 ret = HENTRY_WORD(h) + h->blen + 1;
267 return ret;
268 }
269
270 LIBHUNSPELL_DLL_EXPORTED inline char* HENTRY_FIND(struct hentry *h, const char *p)
271 {
272 return (HENTRY_DATA(h) ? strstr(HENTRY_DATA(h), p) : NULL);
273 }
274
275 #define w_char_eq(a,b) (((a).l == (b).l) && ((a).h == (b).h))
276
277 #endif

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