[BASESRV]
[reactos.git] / include / host / wine / unicode.h
1 /*
2 * Wine internal Unicode definitions
3 *
4 * Copyright 2000 Alexandre Julliard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #ifndef __WINE_WINE_UNICODE_H
22 #define __WINE_WINE_UNICODE_H
23
24 #include <ctype.h>
25 #include <stdarg.h>
26 #include <string.h>
27 #include <typedefs.h>
28
29 // Definitions copied from <winnls.h>
30 // We only want to include host headers, so we define them manually
31 #define C1_UPPER 1
32 #define C1_LOWER 2
33 #define C1_DIGIT 4
34 #define C1_SPACE 8
35 #define C1_PUNCT 16
36 #define C1_CNTRL 32
37 #define C1_BLANK 64
38 #define C1_XDIGIT 128
39 #define C1_ALPHA 256
40 #define MB_COMPOSITE 2
41 #define MB_ERR_INVALID_CHARS 8
42 #define MB_USEGLYPHCHARS 0x04
43 #define WC_COMPOSITECHECK 512
44 #define WC_DISCARDNS 16
45 #define WC_DEFAULTCHAR 64
46 #define WC_NO_BEST_FIT_CHARS 1024
47 #define WC_ERR_INVALID_CHARS 0x0080
48
49 #ifdef __WINE_WINE_TEST_H
50 #error This file should not be used in Wine tests
51 #endif
52
53 #ifdef __cplusplus
54 extern "C" {
55 #endif
56
57 #ifndef WINE_UNICODE_API
58 #define WINE_UNICODE_API
59 #endif
60
61 #ifndef WINE_UNICODE_INLINE
62 #define WINE_UNICODE_INLINE static inline
63 #endif
64
65 /* code page info common to SBCS and DBCS */
66 struct cp_info
67 {
68 unsigned int codepage; /* codepage id */
69 unsigned int char_size; /* char size (1 or 2 bytes) */
70 WCHAR def_char; /* default char value (can be double-byte) */
71 WCHAR def_unicode_char; /* default Unicode char value */
72 const char *name; /* code page name */
73 };
74
75 struct sbcs_table
76 {
77 struct cp_info info;
78 const WCHAR *cp2uni; /* code page -> Unicode map */
79 const WCHAR *cp2uni_glyphs; /* code page -> Unicode map with glyph chars */
80 const unsigned char *uni2cp_low; /* Unicode -> code page map */
81 const unsigned short *uni2cp_high;
82 };
83
84 struct dbcs_table
85 {
86 struct cp_info info;
87 const WCHAR *cp2uni; /* code page -> Unicode map */
88 const unsigned char *cp2uni_leadbytes;
89 const unsigned short *uni2cp_low; /* Unicode -> code page map */
90 const unsigned short *uni2cp_high;
91 unsigned char lead_bytes[12]; /* lead bytes ranges */
92 };
93
94 union cptable
95 {
96 struct cp_info info;
97 struct sbcs_table sbcs;
98 struct dbcs_table dbcs;
99 };
100
101 extern const union cptable *wine_cp_get_table( unsigned int codepage );
102 extern const union cptable *wine_cp_enum_table( unsigned int index );
103
104 extern int wine_cp_mbstowcs( const union cptable *table, int flags,
105 const char *src, int srclen,
106 WCHAR *dst, int dstlen );
107 extern int wine_cp_wcstombs( const union cptable *table, int flags,
108 const WCHAR *src, int srclen,
109 char *dst, int dstlen, const char *defchar, int *used );
110 extern int wine_cpsymbol_mbstowcs( const char *src, int srclen, WCHAR *dst, int dstlen );
111 extern int wine_cpsymbol_wcstombs( const WCHAR *src, int srclen, char *dst, int dstlen );
112 extern int wine_utf8_mbstowcs( int flags, const char *src, int srclen, WCHAR *dst, int dstlen );
113 extern int wine_utf8_wcstombs( int flags, const WCHAR *src, int srclen, char *dst, int dstlen );
114
115 extern int wine_compare_string( int flags, const WCHAR *str1, int len1, const WCHAR *str2, int len2 );
116 extern int wine_get_sortkey( int flags, const WCHAR *src, int srclen, char *dst, int dstlen );
117 extern int wine_fold_string( int flags, const WCHAR *src, int srclen , WCHAR *dst, int dstlen );
118
119 extern int strcmpiW( const WCHAR *str1, const WCHAR *str2 );
120 extern int strncmpiW( const WCHAR *str1, const WCHAR *str2, int n );
121 extern int memicmpW( const WCHAR *str1, const WCHAR *str2, int n );
122 extern WCHAR *strstrW( const WCHAR *str, const WCHAR *sub );
123 extern long int strtolW( const WCHAR *nptr, WCHAR **endptr, int base );
124 extern unsigned long int strtoulW( const WCHAR *nptr, WCHAR **endptr, int base );
125 extern int sprintfW( WCHAR *str, const WCHAR *format, ... );
126 extern int snprintfW( WCHAR *str, size_t len, const WCHAR *format, ... );
127 extern int vsprintfW( WCHAR *str, const WCHAR *format, va_list valist );
128 extern int vsnprintfW( WCHAR *str, size_t len, const WCHAR *format, va_list valist );
129
130 WINE_UNICODE_INLINE int wine_is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
131 {
132 return (table->info.char_size == 2) && (table->dbcs.cp2uni_leadbytes[ch]);
133 }
134
135 WINE_UNICODE_INLINE WCHAR tolowerW( WCHAR ch )
136 {
137 extern WINE_UNICODE_API const WCHAR wine_casemap_lower[];
138 return ch + wine_casemap_lower[wine_casemap_lower[ch >> 8] + (ch & 0xff)];
139 }
140
141 WINE_UNICODE_INLINE WCHAR toupperW( WCHAR ch )
142 {
143 extern WINE_UNICODE_API const WCHAR wine_casemap_upper[];
144 return ch + wine_casemap_upper[wine_casemap_upper[ch >> 8] + (ch & 0xff)];
145 }
146
147 /* the character type contains the C1_* flags in the low 12 bits */
148 /* and the C2_* type in the high 4 bits */
149 WINE_UNICODE_INLINE unsigned short get_char_typeW( WCHAR ch )
150 {
151 extern WINE_UNICODE_API const unsigned short wine_wctype_table[];
152 return wine_wctype_table[wine_wctype_table[ch >> 8] + (ch & 0xff)];
153 }
154
155 WINE_UNICODE_INLINE int iscntrlW( WCHAR wc )
156 {
157 return get_char_typeW(wc) & C1_CNTRL;
158 }
159
160 WINE_UNICODE_INLINE int ispunctW( WCHAR wc )
161 {
162 return get_char_typeW(wc) & C1_PUNCT;
163 }
164
165 WINE_UNICODE_INLINE int isspaceW( WCHAR wc )
166 {
167 return get_char_typeW(wc) & C1_SPACE;
168 }
169
170 WINE_UNICODE_INLINE int isdigitW( WCHAR wc )
171 {
172 return get_char_typeW(wc) & C1_DIGIT;
173 }
174
175 WINE_UNICODE_INLINE int isxdigitW( WCHAR wc )
176 {
177 return get_char_typeW(wc) & C1_XDIGIT;
178 }
179
180 WINE_UNICODE_INLINE int islowerW( WCHAR wc )
181 {
182 return get_char_typeW(wc) & C1_LOWER;
183 }
184
185 WINE_UNICODE_INLINE int isupperW( WCHAR wc )
186 {
187 return get_char_typeW(wc) & C1_UPPER;
188 }
189
190 WINE_UNICODE_INLINE int isalnumW( WCHAR wc )
191 {
192 return get_char_typeW(wc) & (C1_ALPHA|C1_DIGIT|C1_LOWER|C1_UPPER);
193 }
194
195 WINE_UNICODE_INLINE int isalphaW( WCHAR wc )
196 {
197 return get_char_typeW(wc) & (C1_ALPHA|C1_LOWER|C1_UPPER);
198 }
199
200 WINE_UNICODE_INLINE int isgraphW( WCHAR wc )
201 {
202 return get_char_typeW(wc) & (C1_ALPHA|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
203 }
204
205 WINE_UNICODE_INLINE int isprintW( WCHAR wc )
206 {
207 return get_char_typeW(wc) & (C1_ALPHA|C1_BLANK|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
208 }
209
210 /* some useful string manipulation routines */
211
212 WINE_UNICODE_INLINE unsigned int strlenW( const WCHAR *str )
213 {
214 const WCHAR *s = str;
215 while (*s) s++;
216 return (unsigned int)(s - str);
217 }
218
219 WINE_UNICODE_INLINE WCHAR *strcpyW( WCHAR *dst, const WCHAR *src )
220 {
221 WCHAR *p = dst;
222 while ((*p++ = *src++));
223 return dst;
224 }
225
226 /* strncpy doesn't do what you think, don't use it */
227 #define strncpyW(d,s,n) error do_not_use_strncpyW_use_lstrcpynW_or_memcpy_instead
228
229 WINE_UNICODE_INLINE int strcmpW( const WCHAR *str1, const WCHAR *str2 )
230 {
231 while (*str1 && (*str1 == *str2)) { str1++; str2++; }
232 return *str1 - *str2;
233 }
234
235 WINE_UNICODE_INLINE int strncmpW( const WCHAR *str1, const WCHAR *str2, int n )
236 {
237 if (n <= 0) return 0;
238 while ((--n > 0) && *str1 && (*str1 == *str2)) { str1++; str2++; }
239 return *str1 - *str2;
240 }
241
242 WINE_UNICODE_INLINE WCHAR *strcatW( WCHAR *dst, const WCHAR *src )
243 {
244 strcpyW( dst + strlenW(dst), src );
245 return dst;
246 }
247
248 WINE_UNICODE_INLINE WCHAR *strchrW( const WCHAR *str, WCHAR ch )
249 {
250 do { if (*str == ch) return (WCHAR *)(ULONG_PTR)str; } while (*str++);
251 return NULL;
252 }
253
254 WINE_UNICODE_INLINE WCHAR *strrchrW( const WCHAR *str, WCHAR ch )
255 {
256 WCHAR *ret = NULL;
257 do { if (*str == ch) ret = (WCHAR *)(ULONG_PTR)str; } while (*str++);
258 return ret;
259 }
260
261 WINE_UNICODE_INLINE WCHAR *strpbrkW( const WCHAR *str, const WCHAR *accept )
262 {
263 for ( ; *str; str++) if (strchrW( accept, *str )) return (WCHAR *)(ULONG_PTR)str;
264 return NULL;
265 }
266
267 WINE_UNICODE_INLINE size_t strspnW( const WCHAR *str, const WCHAR *accept )
268 {
269 const WCHAR *ptr;
270 for (ptr = str; *ptr; ptr++) if (!strchrW( accept, *ptr )) break;
271 return ptr - str;
272 }
273
274 WINE_UNICODE_INLINE size_t strcspnW( const WCHAR *str, const WCHAR *reject )
275 {
276 const WCHAR *ptr;
277 for (ptr = str; *ptr; ptr++) if (strchrW( reject, *ptr )) break;
278 return ptr - str;
279 }
280
281 WINE_UNICODE_INLINE WCHAR *strlwrW( WCHAR *str )
282 {
283 WCHAR *ret = str;
284 while ((*str = tolowerW(*str))) str++;
285 return ret;
286 }
287
288 WINE_UNICODE_INLINE WCHAR *struprW( WCHAR *str )
289 {
290 WCHAR *ret = str;
291 while ((*str = toupperW(*str))) str++;
292 return ret;
293 }
294
295 WINE_UNICODE_INLINE WCHAR *memchrW( const WCHAR *ptr, WCHAR ch, size_t n )
296 {
297 const WCHAR *end;
298 for (end = ptr + n; ptr < end; ptr++) if (*ptr == ch) return (WCHAR *)(ULONG_PTR)ptr;
299 return NULL;
300 }
301
302 WINE_UNICODE_INLINE WCHAR *memrchrW( const WCHAR *ptr, WCHAR ch, size_t n )
303 {
304 const WCHAR *end;
305 WCHAR *ret = NULL;
306 for (end = ptr + n; ptr < end; ptr++) if (*ptr == ch) ret = (WCHAR *)(ULONG_PTR)ptr;
307 return ret;
308 }
309
310 WINE_UNICODE_INLINE long int atolW( const WCHAR *str )
311 {
312 return strtolW( str, (WCHAR **)0, 10 );
313 }
314
315 WINE_UNICODE_INLINE int atoiW( const WCHAR *str )
316 {
317 return (int)atolW( str );
318 }
319
320 #undef WINE_UNICODE_INLINE
321
322 #ifdef __cplusplus
323 }
324 #endif
325
326 #endif /* __WINE_WINE_UNICODE_H */