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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef __WINE_UNICODE_H
  22 #define __WINE_UNICODE_H
  23
  24 #include <stdarg.h>
  25
  26 #include <windef.h>
  27 #include <winbase.h>
  28 #include <winnls.h>
  29
  30 #ifndef WINE_UNICODE_API
  31 #define WINE_UNICODE_API DECLSPEC_IMPORT
  32 #endif
  33
  34 /* code page info common to SBCS and DBCS */
  35 struct cp_info
  36 {
  37     unsigned int          codepage;          /* codepage id */
  38     unsigned int          char_size;         /* char size (1 or 2 bytes) */
  39     WCHAR                 def_char;          /* default char value (can be double-byte) */
  40     WCHAR                 def_unicode_char;  /* default Unicode char value */
  41     const char           *name;              /* code page name */
  42 };
  43
  44 struct sbcs_table
  45 {
  46     struct cp_info        info;
  47     const WCHAR          *cp2uni;            /* code page -> Unicode map */
  48     const unsigned char  *uni2cp_low;        /* Unicode -> code page map */
  49     const unsigned short *uni2cp_high;
  50 };
  51
  52 struct dbcs_table
  53 {
  54     struct cp_info        info;
  55     const WCHAR          *cp2uni;            /* code page -> Unicode map */
  56     const unsigned char  *cp2uni_leadbytes;
  57     const unsigned short *uni2cp_low;        /* Unicode -> code page map */
  58     const unsigned short *uni2cp_high;
  59     unsigned char         lead_bytes[12];    /* lead bytes ranges */
  60 };
  61
  62 union cptable
  63 {
  64     struct cp_info    info;
  65     struct sbcs_table sbcs;
  66     struct dbcs_table dbcs;
  67 };
  68
  69 extern const union cptable *wine_cp_get_table( unsigned int codepage );
  70 extern const union cptable *wine_cp_enum_table( unsigned int index );
  71
  72 extern int wine_cp_mbstowcs( const union cptable *table, int flags,
  73                              const char *src, int srclen,
  74                              WCHAR *dst, int dstlen );
  75 extern int wine_cp_wcstombs( const union cptable *table, int flags,
  76                              const WCHAR *src, int srclen,
  77                              char *dst, int dstlen, const char *defchar, int *used );
  78 extern int wine_cpsymbol_mbstowcs( const char *src, int srclen, WCHAR *dst, int dstlen );
  79 extern int wine_cpsymbol_wcstombs( const WCHAR *src, int srclen, char *dst, int dstlen );
  80 extern int wine_utf8_mbstowcs( int flags, const char *src, int srclen, WCHAR *dst, int dstlen );
  81 extern int wine_utf8_wcstombs( const WCHAR *src, int srclen, char *dst, int dstlen );
  82
  83 extern int wine_compare_string( int flags, const WCHAR *str1, int len1, const WCHAR *str2, int len2 );
  84 extern int wine_get_sortkey( int flags, const WCHAR *src, int srclen, char *dst, int dstlen );
  85 extern int wine_fold_string( int flags, const WCHAR *src, int srclen , WCHAR *dst, int dstlen );
  86
  87 extern int strcmpiW( const WCHAR *str1, const WCHAR *str2 );
  88 extern int strncmpiW( const WCHAR *str1, const WCHAR *str2, int n );
  89 extern int memicmpW( const WCHAR *str1, const WCHAR *str2, int n );
  90 extern WCHAR *strstrW( const WCHAR *str, const WCHAR *sub );
  91 extern long int strtolW( const WCHAR *nptr, WCHAR **endptr, int base );
  92 extern unsigned long int strtoulW( const WCHAR *nptr, WCHAR **endptr, int base );
  93 extern int sprintfW( WCHAR *str, const WCHAR *format, ... );
  94 extern int snprintfW( WCHAR *str, size_t len, const WCHAR *format, ... );
  95 extern int vsprintfW( WCHAR *str, const WCHAR *format, va_list valist );
  96 extern int vsnprintfW( WCHAR *str, size_t len, const WCHAR *format, va_list valist );
  97
  98 static inline int is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
  99 {
 100     return (table->info.char_size == 2) && (table->dbcs.cp2uni_leadbytes[ch]);
 101 }
 102
 103 static inline WCHAR tolowerW( WCHAR ch )
 104 {
 105     extern WINE_UNICODE_API const WCHAR wine_casemap_lower[];
 106     return ch + wine_casemap_lower[wine_casemap_lower[ch >> 8] + (ch & 0xff)];
 107 }
 108
 109 static inline WCHAR toupperW( WCHAR ch )
 110 {
 111     extern WINE_UNICODE_API const WCHAR wine_casemap_upper[];
 112     return ch + wine_casemap_upper[wine_casemap_upper[ch >> 8] + (ch & 0xff)];
 113 }
 114
 115 /* the character type contains the C1_* flags in the low 12 bits */
 116 /* and the C2_* type in the high 4 bits */
 117 static inline unsigned short get_char_typeW( WCHAR ch )
 118 {
 119     extern WINE_UNICODE_API const unsigned short wine_wctype_table[];
 120     return wine_wctype_table[wine_wctype_table[ch >> 8] + (ch & 0xff)];
 121 }
 122
 123 inline static int iscntrlW( WCHAR wc )
 124 {
 125     return get_char_typeW(wc) & C1_CNTRL;
 126 }
 127
 128 inline static int ispunctW( WCHAR wc )
 129 {
 130     return get_char_typeW(wc) & C1_PUNCT;
 131 }
 132
 133 inline static int isspaceW( WCHAR wc )
 134 {
 135     return get_char_typeW(wc) & C1_SPACE;
 136 }
 137
 138 inline static int isdigitW( WCHAR wc )
 139 {
 140     return get_char_typeW(wc) & C1_DIGIT;
 141 }
 142
 143 inline static int isxdigitW( WCHAR wc )
 144 {
 145     return get_char_typeW(wc) & C1_XDIGIT;
 146 }
 147
 148 inline static int islowerW( WCHAR wc )
 149 {
 150     return get_char_typeW(wc) & C1_LOWER;
 151 }
 152
 153 inline static int isupperW( WCHAR wc )
 154 {
 155     return get_char_typeW(wc) & C1_UPPER;
 156 }
 157
 158 inline static int isalnumW( WCHAR wc )
 159 {
 160     return get_char_typeW(wc) & (C1_ALPHA|C1_DIGIT|C1_LOWER|C1_UPPER);
 161 }
 162
 163 inline static int isalphaW( WCHAR wc )
 164 {
 165     return get_char_typeW(wc) & (C1_ALPHA|C1_LOWER|C1_UPPER);
 166 }
 167
 168 inline static int isgraphW( WCHAR wc )
 169 {
 170     return get_char_typeW(wc) & (C1_ALPHA|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
 171 }
 172
 173 inline static int isprintW( WCHAR wc )
 174 {
 175     return get_char_typeW(wc) & (C1_ALPHA|C1_BLANK|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
 176 }
 177
 178 /* some useful string manipulation routines */
 179
 180 static inline unsigned int strlenW( const WCHAR *str )
 181 {
 182     const WCHAR *s = str;
 183     while (*s) s++;
 184     return s - str;
 185 }
 186
 187 static inline WCHAR *strcpyW( WCHAR *dst, const WCHAR *src )
 188 {
 189     WCHAR *p = dst;
 190     while ((*p++ = *src++));
 191     return dst;
 192 }
 193
 194 static inline int strcmpW( const WCHAR *str1, const WCHAR *str2 )
 195 {
 196     while (*str1 && (*str1 == *str2)) { str1++; str2++; }
 197     return *str1 - *str2;
 198 }
 199
 200 static inline int strncmpW( const WCHAR *str1, const WCHAR *str2, int n )
 201 {
 202     if (n <= 0) return 0;
 203     while ((--n > 0) && *str1 && (*str1 == *str2)) { str1++; str2++; }
 204     return *str1 - *str2;
 205 }
 206
 207 static inline WCHAR *strncpyW( WCHAR *str1, const WCHAR *str2, int n )
 208 {
 209     WCHAR *ret = str1;
 210     while (n-- > 0) if (!(*str1++ = *str2++)) break;
 211     while (n-- > 0) *str1++ = 0;
 212     return ret;
 213 }
 214
 215 static inline WCHAR *strcatW( WCHAR *dst, const WCHAR *src )
 216 {
 217     strcpyW( dst + strlenW(dst), src );
 218     return dst;
 219 }
 220
 221 static inline WCHAR *strchrW( const WCHAR *str, WCHAR ch )
 222 {
 223     for ( ; *str; str++) if (*str == ch) return (WCHAR *)str;
 224     return NULL;
 225 }
 226
 227 static inline WCHAR *strrchrW( const WCHAR *str, WCHAR ch )
 228 {
 229     WCHAR *ret = NULL;
 230     for ( ; *str; str++) if (*str == ch) ret = (WCHAR *)str;
 231     return ret;
 232 }
 233
 234 static inline WCHAR *strpbrkW( const WCHAR *str, const WCHAR *accept )
 235 {
 236     for ( ; *str; str++) if (strchrW( accept, *str )) return (WCHAR *)str;
 237     return NULL;
 238 }
 239
 240 static inline size_t strspnW( const WCHAR *str, const WCHAR *accept )
 241 {
 242     const WCHAR *ptr;
 243     for (ptr = str; *ptr; ptr++) if (!strchrW( accept, *ptr )) break;
 244     return ptr - str;
 245 }
 246
 247 static inline size_t strcspnW( const WCHAR *str, const WCHAR *reject )
 248 {
 249     const WCHAR *ptr;
 250     for (ptr = str; *ptr; ptr++) if (strchrW( reject, *ptr )) break;
 251     return ptr - str;
 252 }
 253
 254 static inline WCHAR *strlwrW( WCHAR *str )
 255 {
 256     WCHAR *ret = str;
 257     while ((*str = tolowerW(*str))) str++;
 258     return ret;
 259 }
 260
 261 static inline WCHAR *struprW( WCHAR *str )
 262 {
 263     WCHAR *ret = str;
 264     while ((*str = toupperW(*str))) str++;
 265     return ret;
 266 }
 267
 268 static inline WCHAR *memchrW( const WCHAR *ptr, WCHAR ch, size_t n )
 269 {
 270     const WCHAR *end;
 271     for (end = ptr + n; ptr < end; ptr++) if (*ptr == ch) return (WCHAR *)ptr;
 272     return NULL;
 273 }
 274
 275 static inline WCHAR *memrchrW( const WCHAR *ptr, WCHAR ch, size_t n )
 276 {
 277     const WCHAR *end, *ret = NULL;
 278     for (end = ptr + n; ptr < end; ptr++) if (*ptr == ch) ret = ptr;
 279     return (WCHAR *)ret;
 280 }
 281
 282 static inline long int atolW( const WCHAR *str )
 283 {
 284     return strtolW( str, (WCHAR **)0, 10 );
 285 }
 286
 287 static inline int atoiW( const WCHAR *str )
 288 {
 289     return (int)atolW( str );
 290 }
 291
 292 #endif  /* __WINE_UNICODE_H */