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 */