include/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
  26 #include <windef.h>
  27 #include <winbase.h>
  28 #include <winnls.h>
  29
  30 #ifdef __WINE_WINE_TEST_H
  31 #error This file should not be used in Wine tests
  32 #endif
  33
  34 #ifdef __cplusplus
  35 extern "C" {
  36 #endif
  37
  38 #ifndef WINE_UNICODE_API
  39 # if defined(_MSC_VER) || defined(__MINGW32__)
  40 #  define WINE_UNICODE_API DECLSPEC_IMPORT
  41 # else
  42 #  define WINE_UNICODE_API
  43 # endif
  44 #endif
  45
  46 #ifndef WINE_UNICODE_INLINE
  47 #define WINE_UNICODE_INLINE static inline
  48 #endif
  49
  50 /* code page info common to SBCS and DBCS */
  51 struct cp_info
  52 {
  53     unsigned int          codepage;          /* codepage id */
  54     unsigned int          char_size;         /* char size (1 or 2 bytes) */
  55     WCHAR                 def_char;          /* default char value (can be double-byte) */
  56     WCHAR                 def_unicode_char;  /* default Unicode char value */
  57     const char           *name;              /* code page name */
  58 };
  59
  60 struct sbcs_table
  61 {
  62     struct cp_info        info;
  63     const WCHAR          *cp2uni;            /* code page -> Unicode map */
  64     const WCHAR          *cp2uni_glyphs;     /* code page -> Unicode map with glyph chars */
  65     const unsigned char  *uni2cp_low;        /* Unicode -> code page map */
  66     const unsigned short *uni2cp_high;
  67 };
  68
  69 struct dbcs_table
  70 {
  71     struct cp_info        info;
  72     const WCHAR          *cp2uni;            /* code page -> Unicode map */
  73     const unsigned char  *cp2uni_leadbytes;
  74     const unsigned short *uni2cp_low;        /* Unicode -> code page map */
  75     const unsigned short *uni2cp_high;
  76     unsigned char         lead_bytes[12];    /* lead bytes ranges */
  77 };
  78
  79 union cptable
  80 {
  81     struct cp_info    info;
  82     struct sbcs_table sbcs;
  83     struct dbcs_table dbcs;
  84 };
  85
  86 extern const union cptable *wine_cp_get_table( unsigned int codepage );
  87 extern const union cptable *wine_cp_enum_table( unsigned int index );
  88
  89 extern int wine_cp_mbstowcs( const union cptable *table, int flags,
  90                              const char *src, int srclen,
  91                              WCHAR *dst, int dstlen );
  92 extern int wine_cp_wcstombs( const union cptable *table, int flags,
  93                              const WCHAR *src, int srclen,
  94                              char *dst, int dstlen, const char *defchar, int *used );
  95 extern int wine_cpsymbol_mbstowcs( const char *src, int srclen, WCHAR *dst, int dstlen );
  96 extern int wine_cpsymbol_wcstombs( const WCHAR *src, int srclen, char *dst, int dstlen );
  97 extern int wine_utf8_mbstowcs( int flags, const char *src, int srclen, WCHAR *dst, int dstlen );
  98 extern int wine_utf8_wcstombs( int flags, const WCHAR *src, int srclen, char *dst, int dstlen );
  99
 100 extern int wine_compare_string( int flags, const WCHAR *str1, int len1, const WCHAR *str2, int len2 );
 101 extern int wine_get_sortkey( int flags, const WCHAR *src, int srclen, char *dst, int dstlen );
 102 extern int wine_fold_string( int flags, const WCHAR *src, int srclen , WCHAR *dst, int dstlen );
 103
 104 extern int strcmpiW( const WCHAR *str1, const WCHAR *str2 );
 105 extern int strncmpiW( const WCHAR *str1, const WCHAR *str2, int n );
 106 extern int memicmpW( const WCHAR *str1, const WCHAR *str2, int n );
 107 extern WCHAR *strstrW( const WCHAR *str, const WCHAR *sub );
 108 extern long int strtolW( const WCHAR *nptr, WCHAR **endptr, int base );
 109 extern unsigned long int strtoulW( const WCHAR *nptr, WCHAR **endptr, int base );
 110 extern int sprintfW( WCHAR *str, const WCHAR *format, ... );
 111 extern int snprintfW( WCHAR *str, size_t len, const WCHAR *format, ... );
 112 extern int vsprintfW( WCHAR *str, const WCHAR *format, va_list valist );
 113 extern int vsnprintfW( WCHAR *str, size_t len, const WCHAR *format, va_list valist );
 114
 115 WINE_UNICODE_INLINE int wine_is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
 116 {
 117     return (table->info.char_size == 2) && (table->dbcs.cp2uni_leadbytes[ch]);
 118 }
 119
 120 WINE_UNICODE_INLINE WCHAR tolowerW( WCHAR ch )
 121 {
 122     extern WINE_UNICODE_API const WCHAR wine_casemap_lower[];
 123     return ch + wine_casemap_lower[wine_casemap_lower[ch >> 8] + (ch & 0xff)];
 124 }
 125
 126 WINE_UNICODE_INLINE WCHAR toupperW( WCHAR ch )
 127 {
 128     extern WINE_UNICODE_API const WCHAR wine_casemap_upper[];
 129     return ch + wine_casemap_upper[wine_casemap_upper[ch >> 8] + (ch & 0xff)];
 130 }
 131
 132 /* the character type contains the C1_* flags in the low 12 bits */
 133 /* and the C2_* type in the high 4 bits */
 134 WINE_UNICODE_INLINE unsigned short get_char_typeW( WCHAR ch )
 135 {
 136     extern WINE_UNICODE_API const unsigned short wine_wctype_table[];
 137     return wine_wctype_table[wine_wctype_table[ch >> 8] + (ch & 0xff)];
 138 }
 139
 140 WINE_UNICODE_INLINE int iscntrlW( WCHAR wc )
 141 {
 142     return get_char_typeW(wc) & C1_CNTRL;
 143 }
 144
 145 WINE_UNICODE_INLINE int ispunctW( WCHAR wc )
 146 {
 147     return get_char_typeW(wc) & C1_PUNCT;
 148 }
 149
 150 WINE_UNICODE_INLINE int isspaceW( WCHAR wc )
 151 {
 152     return get_char_typeW(wc) & C1_SPACE;
 153 }
 154
 155 WINE_UNICODE_INLINE int isdigitW( WCHAR wc )
 156 {
 157     return get_char_typeW(wc) & C1_DIGIT;
 158 }
 159
 160 WINE_UNICODE_INLINE int isxdigitW( WCHAR wc )
 161 {
 162     return get_char_typeW(wc) & C1_XDIGIT;
 163 }
 164
 165 WINE_UNICODE_INLINE int islowerW( WCHAR wc )
 166 {
 167     return get_char_typeW(wc) & C1_LOWER;
 168 }
 169
 170 WINE_UNICODE_INLINE int isupperW( WCHAR wc )
 171 {
 172     return get_char_typeW(wc) & C1_UPPER;
 173 }
 174
 175 WINE_UNICODE_INLINE int isalnumW( WCHAR wc )
 176 {
 177     return get_char_typeW(wc) & (C1_ALPHA|C1_DIGIT|C1_LOWER|C1_UPPER);
 178 }
 179
 180 WINE_UNICODE_INLINE int isalphaW( WCHAR wc )
 181 {
 182     return get_char_typeW(wc) & (C1_ALPHA|C1_LOWER|C1_UPPER);
 183 }
 184
 185 WINE_UNICODE_INLINE int isgraphW( WCHAR wc )
 186 {
 187     return get_char_typeW(wc) & (C1_ALPHA|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
 188 }
 189
 190 WINE_UNICODE_INLINE int isprintW( WCHAR wc )
 191 {
 192     return get_char_typeW(wc) & (C1_ALPHA|C1_BLANK|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
 193 }
 194
 195 /* some useful string manipulation routines */
 196
 197 WINE_UNICODE_INLINE unsigned int strlenW( const WCHAR *str )
 198 {
 199     const WCHAR *s = str;
 200     while (*s) s++;
 201     return s - str;
 202 }
 203
 204 WINE_UNICODE_INLINE WCHAR *strcpyW( WCHAR *dst, const WCHAR *src )
 205 {
 206     WCHAR *p = dst;
 207     while ((*p++ = *src++));
 208     return dst;
 209 }
 210
 211 /* strncpy doesn't do what you think, don't use it */
 212 #define strncpyW(d,s,n) error do_not_use_strncpyW_use_lstrcpynW_or_memcpy_instead
 213
 214 WINE_UNICODE_INLINE int strcmpW( const WCHAR *str1, const WCHAR *str2 )
 215 {
 216     while (*str1 && (*str1 == *str2)) { str1++; str2++; }
 217     return *str1 - *str2;
 218 }
 219
 220 WINE_UNICODE_INLINE int strncmpW( const WCHAR *str1, const WCHAR *str2, int n )
 221 {
 222     if (n <= 0) return 0;
 223     while ((--n > 0) && *str1 && (*str1 == *str2)) { str1++; str2++; }
 224     return *str1 - *str2;
 225 }
 226
 227 WINE_UNICODE_INLINE WCHAR *strcatW( WCHAR *dst, const WCHAR *src )
 228 {
 229     strcpyW( dst + strlenW(dst), src );
 230     return dst;
 231 }
 232
 233 WINE_UNICODE_INLINE WCHAR *strchrW( const WCHAR *str, WCHAR ch )
 234 {
 235     do { if (*str == ch) return (WCHAR *)(ULONG_PTR)str; } while (*str++);
 236     return NULL;
 237 }
 238
 239 WINE_UNICODE_INLINE WCHAR *strrchrW( const WCHAR *str, WCHAR ch )
 240 {
 241     WCHAR *ret = NULL;
 242     do { if (*str == ch) ret = (WCHAR *)(ULONG_PTR)str; } while (*str++);
 243     return ret;
 244 }
 245
 246 WINE_UNICODE_INLINE WCHAR *strpbrkW( const WCHAR *str, const WCHAR *accept )
 247 {
 248     for ( ; *str; str++) if (strchrW( accept, *str )) return (WCHAR *)(ULONG_PTR)str;
 249     return NULL;
 250 }
 251
 252 WINE_UNICODE_INLINE size_t strspnW( const WCHAR *str, const WCHAR *accept )
 253 {
 254     const WCHAR *ptr;
 255     for (ptr = str; *ptr; ptr++) if (!strchrW( accept, *ptr )) break;
 256     return ptr - str;
 257 }
 258
 259 WINE_UNICODE_INLINE size_t strcspnW( const WCHAR *str, const WCHAR *reject )
 260 {
 261     const WCHAR *ptr;
 262     for (ptr = str; *ptr; ptr++) if (strchrW( reject, *ptr )) break;
 263     return ptr - str;
 264 }
 265
 266 WINE_UNICODE_INLINE WCHAR *strlwrW( WCHAR *str )
 267 {
 268     WCHAR *ret;
 269     for (ret = str; *str; str++) *str = tolowerW(*str);
 270     return ret;
 271 }
 272
 273 WINE_UNICODE_INLINE WCHAR *struprW( WCHAR *str )
 274 {
 275     WCHAR *ret;
 276     for (ret = str; *str; str++) *str = toupperW(*str);
 277     return ret;
 278 }
 279
 280 WINE_UNICODE_INLINE WCHAR *memchrW( const WCHAR *ptr, WCHAR ch, size_t n )
 281 {
 282     const WCHAR *end;
 283     for (end = ptr + n; ptr < end; ptr++) if (*ptr == ch) return (WCHAR *)(ULONG_PTR)ptr;
 284     return NULL;
 285 }
 286
 287 WINE_UNICODE_INLINE WCHAR *memrchrW( const WCHAR *ptr, WCHAR ch, size_t n )
 288 {
 289     const WCHAR *end;
 290     WCHAR *ret = NULL;
 291     for (end = ptr + n; ptr < end; ptr++) if (*ptr == ch) ret = (WCHAR *)(ULONG_PTR)ptr;
 292     return ret;
 293 }
 294
 295 WINE_UNICODE_INLINE long int atolW( const WCHAR *str )
 296 {
 297     return strtolW( str, (WCHAR **)0, 10 );
 298 }
 299
 300 WINE_UNICODE_INLINE int atoiW( const WCHAR *str )
 301 {
 302     return (int)atolW( str );
 303 }
 304
 305 #undef WINE_UNICODE_INLINE
 306
 307 #ifdef __cplusplus
 308 }
 309 #endif
 310
 311 #endif  /* __WINE_WINE_UNICODE_H */