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