xref: /reactos/sdk/include/host/wine/unicode.h (revision 1734f297)
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 */
327