4 * Copyright 2000 Alexandre Julliard
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.
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.
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
31 #include "wine/unicode.h"
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(string);
37 /* current code pages */
38 static const union cptable *ansi_cptable;
39 static const union cptable *oem_cptable;
40 static const union cptable *mac_cptable;
41 static const union cptable *unix_cptable; /* NULL if UTF8 */
42 static LCID default_lcid = MAKELCID( MAKELANGID(LANG_ENGLISH,SUBLANG_DEFAULT), SORT_DEFAULT );
44 /* setup default codepage info before we can get at the locale stuff */
45 static void init_codepages(void)
47 ansi_cptable = wine_cp_get_table( 1252 );
48 oem_cptable = wine_cp_get_table( 437 );
49 mac_cptable = wine_cp_get_table( 10000 );
50 unix_cptable = wine_cp_get_table( 28591 );
51 assert( ansi_cptable );
52 assert( oem_cptable );
53 assert( mac_cptable );
54 assert( unix_cptable );
57 /* find the table for a given codepage, handling CP_ACP etc. pseudo-codepages */
58 static const union cptable *get_codepage_table( unsigned int codepage )
60 const union cptable *ret = NULL;
62 if (!ansi_cptable) init_codepages();
76 if (!(codepage = NtCurrentTeb()->code_page)) return ansi_cptable;
79 if (codepage == ansi_cptable->info.codepage) return ansi_cptable;
80 if (codepage == oem_cptable->info.codepage) return oem_cptable;
81 if (codepage == mac_cptable->info.codepage) return mac_cptable;
82 ret = wine_cp_get_table( codepage );
88 /* initialize default code pages from locale info */
89 /* FIXME: should be done in init_codepages, but it can't right now */
90 /* since it needs KERNEL32 to be loaded for the locale info. */
91 void CODEPAGE_Init( UINT ansi_cp, UINT oem_cp, UINT mac_cp, UINT unix_cp, LCID lcid )
93 extern void __wine_init_codepages( const union cptable *ansi_cp, const union cptable *oem_cp );
94 const union cptable *table;
97 if (!ansi_cptable) init_codepages(); /* just in case */
99 if ((table = wine_cp_get_table( ansi_cp ))) ansi_cptable = table;
100 if ((table = wine_cp_get_table( oem_cp ))) oem_cptable = table;
101 if ((table = wine_cp_get_table( mac_cp ))) mac_cptable = table;
102 if (unix_cp == CP_UTF8)
104 else if ((table = wine_cp_get_table( unix_cp )))
105 unix_cptable = table;
107 __wine_init_codepages( ansi_cptable, oem_cptable );
109 TRACE( "ansi=%03d oem=%03d mac=%03d unix=%03d\n",
110 ansi_cptable->info.codepage, oem_cptable->info.codepage,
111 mac_cptable->info.codepage, unix_cp );
114 /******************************************************************************
115 * GetACP (KERNEL32.@)
118 * Current ANSI code-page identifier, default if no current defined
120 UINT WINAPI GetACP(void)
122 if (!ansi_cptable) return 1252;
123 return ansi_cptable->info.codepage;
127 /***********************************************************************
128 * GetOEMCP (KERNEL32.@)
130 UINT WINAPI GetOEMCP(void)
132 if (!oem_cptable) return 437;
133 return oem_cptable->info.codepage;
137 /***********************************************************************
138 * IsValidCodePage (KERNEL32.@)
140 BOOL WINAPI IsValidCodePage( UINT codepage )
149 return wine_cp_get_table( codepage ) != NULL;
154 /***********************************************************************
155 * GetUserDefaultLangID (KERNEL32.@)
157 LANGID WINAPI GetUserDefaultLangID(void)
159 return LANGIDFROMLCID(default_lcid);
163 /***********************************************************************
164 * GetSystemDefaultLangID (KERNEL32.@)
166 LANGID WINAPI GetSystemDefaultLangID(void)
168 return GetUserDefaultLangID();
172 /***********************************************************************
173 * GetUserDefaultLCID (KERNEL32.@)
175 LCID WINAPI GetUserDefaultLCID(void)
181 /***********************************************************************
182 * GetSystemDefaultLCID (KERNEL32.@)
184 LCID WINAPI GetSystemDefaultLCID(void)
186 return GetUserDefaultLCID();
190 /***********************************************************************
191 * GetUserDefaultUILanguage (KERNEL32.@)
193 LANGID WINAPI GetUserDefaultUILanguage(void)
195 return GetUserDefaultLangID();
199 /***********************************************************************
200 * GetSystemDefaultUILanguage (KERNEL32.@)
202 LANGID WINAPI GetSystemDefaultUILanguage(void)
204 return GetSystemDefaultLangID();
208 /***********************************************************************
209 * IsDBCSLeadByteEx (KERNEL32.@)
211 * Determine if a character is a lead byte in a given code page.
214 * codepage [I] Code page for the test.
215 * testchar [I] Character to test
218 * TRUE, if testchar is a lead byte in codepage,
221 BOOL WINAPI IsDBCSLeadByteEx( UINT codepage, BYTE testchar )
223 const union cptable *table = get_codepage_table( codepage );
224 return table && is_dbcs_leadbyte( table, testchar );
228 /***********************************************************************
229 * IsDBCSLeadByte (KERNEL32.@)
230 * IsDBCSLeadByte (KERNEL.207)
232 * Determine if a character is a lead byte.
235 * testchar [I] Character to test
238 * TRUE, if testchar is a lead byte in the Ansii code page,
241 BOOL WINAPI IsDBCSLeadByte( BYTE testchar )
243 if (!ansi_cptable) return FALSE;
244 return is_dbcs_leadbyte( ansi_cptable, testchar );
248 /***********************************************************************
249 * GetCPInfo (KERNEL32.@)
251 * Get information about a code page.
254 * codepage [I] Code page number
255 * cpinfo [O] Destination for code page information
258 * Success: TRUE. cpinfo is updated with the information about codepage.
259 * Failure: FALSE, if codepage is invalid or cpinfo is NULL.
261 BOOL WINAPI GetCPInfo( UINT codepage, LPCPINFO cpinfo )
263 const union cptable *table = get_codepage_table( codepage );
267 SetLastError( ERROR_INVALID_PARAMETER );
270 if (table->info.def_char & 0xff00)
272 cpinfo->DefaultChar[0] = table->info.def_char & 0xff00;
273 cpinfo->DefaultChar[1] = table->info.def_char & 0x00ff;
277 cpinfo->DefaultChar[0] = table->info.def_char & 0xff;
278 cpinfo->DefaultChar[1] = 0;
280 if ((cpinfo->MaxCharSize = table->info.char_size) == 2)
281 memcpy( cpinfo->LeadByte, table->dbcs.lead_bytes, sizeof(cpinfo->LeadByte) );
283 cpinfo->LeadByte[0] = cpinfo->LeadByte[1] = 0;
288 /***********************************************************************
289 * GetCPInfoExA (KERNEL32.@)
291 * Get extended information about a code page.
294 * codepage [I] Code page number
295 * dwFlags [I] Reserved, must to 0.
296 * cpinfo [O] Destination for code page information
299 * Success: TRUE. cpinfo is updated with the information about codepage.
300 * Failure: FALSE, if codepage is invalid or cpinfo is NULL.
302 BOOL WINAPI GetCPInfoExA( UINT codepage, DWORD dwFlags, LPCPINFOEXA cpinfo )
304 const union cptable *table = get_codepage_table( codepage );
306 if (!GetCPInfo( codepage, (LPCPINFO)cpinfo ))
309 cpinfo->CodePage = codepage;
310 cpinfo->UnicodeDefaultChar = table->info.def_unicode_char;
311 strcpy(cpinfo->CodePageName, table->info.name);
315 /***********************************************************************
316 * GetCPInfoExW (KERNEL32.@)
318 * Unicode version of GetCPInfoExA.
320 BOOL WINAPI GetCPInfoExW( UINT codepage, DWORD dwFlags, LPCPINFOEXW cpinfo )
322 const union cptable *table = get_codepage_table( codepage );
324 if (!GetCPInfo( codepage, (LPCPINFO)cpinfo ))
327 cpinfo->CodePage = codepage;
328 cpinfo->UnicodeDefaultChar = table->info.def_unicode_char;
329 MultiByteToWideChar( CP_ACP, 0, table->info.name, -1, cpinfo->CodePageName,
330 sizeof(cpinfo->CodePageName)/sizeof(WCHAR));
334 /***********************************************************************
335 * EnumSystemCodePagesA (KERNEL32.@)
337 BOOL WINAPI EnumSystemCodePagesA( CODEPAGE_ENUMPROCA lpfnCodePageEnum, DWORD flags )
339 const union cptable *table;
345 if (!(table = wine_cp_enum_table( index++ ))) break;
346 sprintf( buffer, "%d", table->info.codepage );
347 if (!lpfnCodePageEnum( buffer )) break;
353 /***********************************************************************
354 * EnumSystemCodePagesW (KERNEL32.@)
356 BOOL WINAPI EnumSystemCodePagesW( CODEPAGE_ENUMPROCW lpfnCodePageEnum, DWORD flags )
358 const union cptable *table;
359 WCHAR buffer[10], *p;
364 if (!(table = wine_cp_enum_table( index++ ))) break;
365 p = buffer + sizeof(buffer)/sizeof(WCHAR);
367 page = table->info.codepage;
370 *--p = '0' + (page % 10);
373 if (!lpfnCodePageEnum( p )) break;
379 /***********************************************************************
380 * MultiByteToWideChar (KERNEL32.@)
382 * Convert a multibyte character string into a Unicode string.
385 * page [I] Codepage character set to convert from
386 * flags [I] Character mapping flags
387 * src [I] Source string buffer
388 * srclen [I] Length of src, or -1 if src is NUL terminated
389 * dst [O] Destination buffer
390 * dstlen [I] Length of dst, or 0 to compute the required length
393 * Success: If dstlen > 0, the number of characters written to dst.
394 * If dstlen == 0, the number of characters needed to perform the
395 * conversion. In both cases the count includes the terminating NUL.
396 * Failure: 0. Use GetLastError() to determine the cause. Possible errors are
397 * ERROR_INSUFFICIENT_BUFFER, if not enough space is available in dst
398 * and dstlen != 0; ERROR_INVALID_PARAMETER, if an invalid parameter
399 * is passed, and ERROR_NO_UNICODE_TRANSLATION if no translation is
402 INT WINAPI MultiByteToWideChar( UINT page, DWORD flags, LPCSTR src, INT srclen,
403 LPWSTR dst, INT dstlen )
405 const union cptable *table;
408 if (!src || (!dst && dstlen))
410 SetLastError( ERROR_INVALID_PARAMETER );
414 if (srclen < 0) srclen = strlen(src) + 1;
416 if (flags & MB_USEGLYPHCHARS) FIXME("MB_USEGLYPHCHARS not supported\n");
421 FIXME("UTF-7 not supported\n");
422 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
427 ret = wine_cp_mbstowcs( unix_cptable, flags, src, srclen, dst, dstlen );
432 ret = wine_utf8_mbstowcs( flags, src, srclen, dst, dstlen );
435 if (!(table = get_codepage_table( page )))
437 SetLastError( ERROR_INVALID_PARAMETER );
440 ret = wine_cp_mbstowcs( table, flags, src, srclen, dst, dstlen );
448 case -1: SetLastError( ERROR_INSUFFICIENT_BUFFER ); break;
449 case -2: SetLastError( ERROR_NO_UNICODE_TRANSLATION ); break;
457 /***********************************************************************
458 * WideCharToMultiByte (KERNEL32.@)
460 * Convert a Unicode character string into a multibyte string.
463 * page [I] Code page character set to convert to
464 * flags [I] Mapping Flags (MB_ constants from "winnls.h").
465 * src [I] Source string buffer
466 * srclen [I] Length of src, or -1 if src is NUL terminated
467 * dst [O] Destination buffer
468 * dstlen [I] Length of dst, or 0 to compute the required length
469 * defchar [I] Default character to use for conversion if no exact
470 * conversion can be made
471 * used [O] Set if default character was used in the conversion
474 * Success: If dstlen > 0, the number of characters written to dst.
475 * If dstlen == 0, number of characters needed to perform the
476 * conversion. In both cases the count includes the terminating NUL.
477 * Failure: 0. Use GetLastError() to determine the cause. Possible errors are
478 * ERROR_INSUFFICIENT_BUFFER, if not enough space is available in dst
479 * and dstlen != 0, and ERROR_INVALID_PARAMETER, if an invalid
480 * parameter was given.
482 INT WINAPI WideCharToMultiByte( UINT page, DWORD flags, LPCWSTR src, INT srclen,
483 LPSTR dst, INT dstlen, LPCSTR defchar, BOOL *used )
485 const union cptable *table;
488 if (!src || (!dst && dstlen))
490 SetLastError( ERROR_INVALID_PARAMETER );
494 if (srclen < 0) srclen = strlenW(src) + 1;
499 FIXME("UTF-7 not supported\n");
500 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
505 ret = wine_cp_wcstombs( unix_cptable, flags, src, srclen, dst, dstlen,
506 defchar, used ? &used_tmp : NULL );
511 ret = wine_utf8_wcstombs( src, srclen, dst, dstlen );
514 if (!(table = get_codepage_table( page )))
516 SetLastError( ERROR_INVALID_PARAMETER );
519 ret = wine_cp_wcstombs( table, flags, src, srclen, dst, dstlen,
520 defchar, used ? &used_tmp : NULL );
521 if (used) *used = used_tmp;
527 SetLastError( ERROR_INSUFFICIENT_BUFFER );