274 lines
7.9 KiB
C
274 lines
7.9 KiB
C
/*
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* Wine internal Unicode definitions
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*
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* Copyright 2000 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_UNICODE_H
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#define __WINE_UNICODE_H
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#include "windef.h"
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#include "winnls.h"
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/* code page info common to SBCS and DBCS */
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struct cp_info
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{
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unsigned int codepage; /* codepage id */
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unsigned int char_size; /* char size (1 or 2 bytes) */
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WCHAR def_char; /* default char value (can be double-byte) */
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WCHAR def_unicode_char; /* default Unicode char value */
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const char *name; /* code page name */
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};
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struct sbcs_table
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{
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struct cp_info info;
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const WCHAR *cp2uni; /* code page -> Unicode map */
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const unsigned char *uni2cp_low; /* Unicode -> code page map */
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const unsigned short *uni2cp_high;
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};
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struct dbcs_table
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{
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struct cp_info info;
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const WCHAR *cp2uni; /* code page -> Unicode map */
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const unsigned char *cp2uni_leadbytes;
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const unsigned short *uni2cp_low; /* Unicode -> code page map */
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const unsigned short *uni2cp_high;
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unsigned char lead_bytes[12]; /* lead bytes ranges */
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};
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union cptable
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{
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struct cp_info info;
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struct sbcs_table sbcs;
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struct dbcs_table dbcs;
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};
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extern const union cptable *wine_cp_get_table( unsigned int codepage );
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extern const union cptable *wine_cp_enum_table( unsigned int index );
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extern int wine_cp_mbstowcs( const union cptable *table, int flags,
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const char *src, int srclen,
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WCHAR *dst, int dstlen );
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extern int wine_cp_wcstombs( const union cptable *table, int flags,
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const WCHAR *src, int srclen,
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char *dst, int dstlen, const char *defchar, int *used );
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extern int wine_utf8_wcstombs( const WCHAR *src, int srclen, char *dst, int dstlen );
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extern int wine_utf8_mbstowcs( int flags, const char *src, int srclen, WCHAR *dst, int dstlen );
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extern int strcmpiW( const WCHAR *str1, const WCHAR *str2 );
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extern int strncmpiW( const WCHAR *str1, const WCHAR *str2, int n );
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extern WCHAR *strstrW( const WCHAR *str, const WCHAR *sub );
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extern long int strtolW( const WCHAR *nptr, WCHAR **endptr, int base );
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extern unsigned long int strtoulW( const WCHAR *nptr, WCHAR **endptr, int base );
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extern int sprintfW( WCHAR *str, const WCHAR *format, ... );
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extern int snprintfW( WCHAR *str, size_t len, const WCHAR *format, ... );
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extern int vsprintfW( WCHAR *str, const WCHAR *format, va_list valist );
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extern int vsnprintfW( WCHAR *str, size_t len, const WCHAR *format, va_list valist );
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static inline int is_dbcs_leadbyte( const union cptable *table, unsigned char ch )
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{
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return (table->info.char_size == 2) && (table->dbcs.cp2uni_leadbytes[ch]);
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}
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static inline WCHAR tolowerW( WCHAR ch )
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{
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extern const WCHAR wine_casemap_lower[];
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return ch + wine_casemap_lower[wine_casemap_lower[ch >> 8] + (ch & 0xff)];
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}
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static inline WCHAR toupperW( WCHAR ch )
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{
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extern const WCHAR wine_casemap_upper[];
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return ch + wine_casemap_upper[wine_casemap_upper[ch >> 8] + (ch & 0xff)];
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}
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/* the character type contains the C1_* flags in the low 12 bits */
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/* and the C2_* type in the high 4 bits */
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static inline unsigned short get_char_typeW( WCHAR ch )
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{
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extern const unsigned short wine_wctype_table[];
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return wine_wctype_table[wine_wctype_table[ch >> 8] + (ch & 0xff)];
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}
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inline static int iscntrlW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_CNTRL;
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}
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inline static int ispunctW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_PUNCT;
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}
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inline static int isspaceW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_SPACE;
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}
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inline static int isdigitW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_DIGIT;
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}
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inline static int isxdigitW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_XDIGIT;
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}
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inline static int islowerW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_LOWER;
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}
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inline static int isupperW( WCHAR wc )
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{
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return get_char_typeW(wc) & C1_UPPER;
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}
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inline static int isalnumW( WCHAR wc )
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_DIGIT|C1_LOWER|C1_UPPER);
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}
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inline static int isalphaW( WCHAR wc )
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_LOWER|C1_UPPER);
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}
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inline static int isgraphW( WCHAR wc )
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
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}
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inline static int isprintW( WCHAR wc )
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{
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return get_char_typeW(wc) & (C1_ALPHA|C1_BLANK|C1_PUNCT|C1_DIGIT|C1_LOWER|C1_UPPER);
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}
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/* some useful string manipulation routines */
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static inline unsigned int strlenW( const WCHAR *str )
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{
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#if defined(__i386__) && defined(__GNUC__)
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int dummy, res;
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__asm__ __volatile__( "cld\n\t"
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"repnz\n\t"
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"scasw\n\t"
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"notl %0"
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: "=c" (res), "=&D" (dummy)
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: "0" (0xffffffff), "1" (str), "a" (0) );
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return res - 1;
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#else
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const WCHAR *s = str;
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while (*s) s++;
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return s - str;
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#endif
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}
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static inline WCHAR *strcpyW( WCHAR *dst, const WCHAR *src )
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{
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#if defined(__i386__) && defined(__GNUC__)
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int dummy1, dummy2, dummy3;
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__asm__ __volatile__( "cld\n"
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"1:\tlodsw\n\t"
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"stosw\n\t"
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"testw %%ax,%%ax\n\t"
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"jne 1b"
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: "=&S" (dummy1), "=&D" (dummy2), "=&a" (dummy3)
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: "0" (src), "1" (dst)
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: "memory" );
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#else
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WCHAR *p = dst;
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while ((*p++ = *src++));
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#endif
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return dst;
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}
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static inline int strcmpW( const WCHAR *str1, const WCHAR *str2 )
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{
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while (*str1 && (*str1 == *str2)) { str1++; str2++; }
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return *str1 - *str2;
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}
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static inline int strncmpW( const WCHAR *str1, const WCHAR *str2, int n )
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{
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if (n <= 0) return 0;
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while ((--n > 0) && *str1 && (*str1 == *str2)) { str1++; str2++; }
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return *str1 - *str2;
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}
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static inline WCHAR *strncpyW( WCHAR *str1, const WCHAR *str2, int n )
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{
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WCHAR *ret = str1;
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while (n-- > 0) if (!(*str1++ = *str2++)) break;
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while (n-- > 0) *str1++ = 0;
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return ret;
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}
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static inline WCHAR *strcatW( WCHAR *dst, const WCHAR *src )
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{
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strcpyW( dst + strlenW(dst), src );
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return dst;
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}
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static inline WCHAR *strchrW( const WCHAR *str, WCHAR ch )
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{
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for ( ; *str; str++) if (*str == ch) return (WCHAR *)str;
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return NULL;
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}
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static inline WCHAR *strrchrW( const WCHAR *str, WCHAR ch )
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{
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WCHAR *ret = NULL;
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for ( ; *str; str++) if (*str == ch) ret = (WCHAR *)str;
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return ret;
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}
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static inline WCHAR *strpbrkW( const WCHAR *str, const WCHAR *accept )
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{
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for ( ; *str; str++) if (strchrW( accept, *str )) return (WCHAR *)str;
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return NULL;
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}
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static inline WCHAR *strlwrW( WCHAR *str )
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{
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WCHAR *ret = str;
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while ((*str = tolowerW(*str))) str++;
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return ret;
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}
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static inline WCHAR *struprW( WCHAR *str )
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{
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WCHAR *ret = str;
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while ((*str = toupperW(*str))) str++;
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return ret;
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}
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static inline long int atolW( const WCHAR *str )
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{
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return strtolW( str, (WCHAR **)0, 10 );
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}
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static inline int atoiW( const WCHAR *str )
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{
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return (int)atolW( str );
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}
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#endif /* __WINE_UNICODE_H */
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