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