4 * Copyright 2000 Alexandre Julliard
14 #include "wine/unicode.h"
15 #include "debugtools.h"
17 DEFAULT_DEBUG_CHANNEL(string);
19 /* current code pages */
20 static const union cptable *ansi_cptable;
21 static const union cptable *oem_cptable;
22 static const union cptable *mac_cptable;
24 /* retrieve a code page table from the locale info */
25 static const union cptable *get_locale_cp( LCID lcid, LCTYPE type )
27 const union cptable *table = NULL;
30 if (GetLocaleInfoA( lcid, type, buf, sizeof(buf) )) table = cp_get_table( atoi(buf) );
34 /* setup default codepage info before we can get at the locale stuff */
35 static void init_codepages(void)
37 ansi_cptable = cp_get_table( 1252 );
38 oem_cptable = cp_get_table( 437 );
39 mac_cptable = cp_get_table( 10000 );
40 assert( ansi_cptable );
41 assert( oem_cptable );
42 assert( mac_cptable );
45 /* find the table for a given codepage, handling CP_ACP etc. pseudo-codepages */
46 static const union cptable *get_codepage_table( unsigned int codepage )
48 const union cptable *ret = NULL;
50 if (!ansi_cptable) init_codepages();
54 case CP_ACP: return ansi_cptable;
55 case CP_OEMCP: return oem_cptable;
56 case CP_MACCP: return mac_cptable;
57 case CP_THREAD_ACP: return get_locale_cp( GetThreadLocale(), LOCALE_IDEFAULTANSICODEPAGE );
62 if (codepage == ansi_cptable->info.codepage) return ansi_cptable;
63 if (codepage == oem_cptable->info.codepage) return oem_cptable;
64 if (codepage == mac_cptable->info.codepage) return mac_cptable;
65 ret = cp_get_table( codepage );
71 /* initialize default code pages from locale info */
72 /* FIXME: should be done in init_codepages, but it can't right now */
73 /* since it needs KERNEL32 to be loaded for the locale info. */
74 void CODEPAGE_Init(void)
76 const union cptable *table;
77 LCID lcid = GetUserDefaultLCID();
79 if (!ansi_cptable) init_codepages(); /* just in case */
81 if ((table = get_locale_cp( lcid, LOCALE_IDEFAULTANSICODEPAGE ))) ansi_cptable = table;
82 if ((table = get_locale_cp( lcid, LOCALE_IDEFAULTMACCODEPAGE ))) mac_cptable = table;
83 if ((table = get_locale_cp( lcid, LOCALE_IDEFAULTCODEPAGE ))) oem_cptable = table;
85 TRACE( "ansi=%03d oem=%03d mac=%03d\n", ansi_cptable->info.codepage,
86 oem_cptable->info.codepage, mac_cptable->info.codepage );
89 /******************************************************************************
93 * Current ANSI code-page identifier, default if no current defined
95 UINT WINAPI GetACP(void)
97 if (!ansi_cptable) init_codepages();
98 return ansi_cptable->info.codepage;
102 /***********************************************************************
103 * GetOEMCP (KERNEL32)
105 UINT WINAPI GetOEMCP(void)
107 if (!oem_cptable) init_codepages();
108 return oem_cptable->info.codepage;
112 /***********************************************************************
113 * IsValidCodePage (KERNEL32)
115 BOOL WINAPI IsValidCodePage( UINT codepage )
117 return cp_get_table( codepage ) != NULL;
121 /***********************************************************************
122 * IsDBCSLeadByteEx (KERNEL32)
124 BOOL WINAPI IsDBCSLeadByteEx( UINT codepage, BYTE testchar )
126 const union cptable *table = get_codepage_table( codepage );
127 return table && is_dbcs_leadbyte( table, testchar );
131 /***********************************************************************
132 * IsDBCSLeadByte (KERNEL32)
134 BOOL WINAPI IsDBCSLeadByte( BYTE testchar )
136 if (!ansi_cptable) init_codepages();
137 return is_dbcs_leadbyte( ansi_cptable, testchar );
141 /***********************************************************************
142 * GetCPInfo (KERNEL32)
144 BOOL WINAPI GetCPInfo( UINT codepage, LPCPINFO cpinfo )
146 const union cptable *table = get_codepage_table( codepage );
150 SetLastError( ERROR_INVALID_PARAMETER );
153 if (table->info.def_char & 0xff00)
155 cpinfo->DefaultChar[0] = table->info.def_char & 0xff00;
156 cpinfo->DefaultChar[1] = table->info.def_char & 0x00ff;
160 cpinfo->DefaultChar[0] = table->info.def_char & 0xff;
161 cpinfo->DefaultChar[1] = 0;
163 if ((cpinfo->MaxCharSize = table->info.char_size) == 2)
164 memcpy( cpinfo->LeadByte, table->dbcs.lead_bytes, sizeof(cpinfo->LeadByte) );
166 cpinfo->LeadByte[0] = cpinfo->LeadByte[1] = 0;
172 /***********************************************************************
173 * EnumSystemCodePagesA (KERNEL32)
175 BOOL WINAPI EnumSystemCodePagesA( CODEPAGE_ENUMPROCA lpfnCodePageEnum, DWORD flags )
177 const union cptable *table;
183 if (!(table = cp_enum_table( index++ ))) break;
184 sprintf( buffer, "%d", table->info.codepage );
185 if (!lpfnCodePageEnum( buffer )) break;
191 /***********************************************************************
192 * EnumSystemCodePagesW (KERNEL32)
194 BOOL WINAPI EnumSystemCodePagesW( CODEPAGE_ENUMPROCW lpfnCodePageEnum, DWORD flags )
196 const union cptable *table;
197 WCHAR buffer[10], *p;
202 if (!(table = cp_enum_table( index++ ))) break;
203 p = buffer + sizeof(buffer)/sizeof(WCHAR);
205 page = table->info.codepage;
208 *--p = '0' + (page % 10);
211 if (!lpfnCodePageEnum( p )) break;
217 /***********************************************************************
218 * MultiByteToWideChar (KERNEL32)
221 * page [in] Codepage character set to convert from
222 * flags [in] Character mapping flags
223 * src [in] Source string buffer
224 * srclen [in] Length of source string buffer
225 * dst [in] Destination buffer
226 * dstlen [in] Length of destination buffer
229 * The returned length includes the null terminator character.
232 * Success: If dstlen > 0, number of characters written to destination
233 * buffer. If dstlen == 0, number of characters needed to do
235 * Failure: 0. Occurs if not enough space is available.
238 * ERROR_INSUFFICIENT_BUFFER
239 * ERROR_INVALID_PARAMETER
240 * ERROR_NO_UNICODE_TRANSLATION
243 INT WINAPI MultiByteToWideChar( UINT page, DWORD flags, LPCSTR src, INT srclen,
244 LPWSTR dst, INT dstlen )
246 const union cptable *table;
249 if (!src || (!dst && dstlen))
251 SetLastError( ERROR_INVALID_PARAMETER );
255 if (srclen == -1) srclen = strlen(src) + 1;
257 if (flags & MB_COMPOSITE) FIXME("MB_COMPOSITE not supported\n");
258 if (flags & MB_USEGLYPHCHARS) FIXME("MB_USEGLYPHCHARS not supported\n");
263 FIXME("UTF not supported\n");
264 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
267 ret = utf8_mbstowcs( flags, src, srclen, dst, dstlen );
270 if (!(table = get_codepage_table( page )))
272 SetLastError( ERROR_INVALID_PARAMETER );
275 ret = cp_mbstowcs( table, flags, src, srclen, dst, dstlen );
283 case -1: SetLastError( ERROR_INSUFFICIENT_BUFFER ); break;
284 case -2: SetLastError( ERROR_NO_UNICODE_TRANSLATION ); break;
292 /***********************************************************************
293 * WideCharToMultiByte (KERNEL32)
296 * page [in] Codepage character set to convert to
297 * flags [in] Character mapping flags
298 * src [in] Source string buffer
299 * srclen [in] Length of source string buffer
300 * dst [in] Destination buffer
301 * dstlen [in] Length of destination buffer
302 * defchar [in] Default character to use for conversion if no exact
303 * conversion can be made
304 * used [out] Set if default character was used in the conversion
307 * The returned length includes the null terminator character.
310 * Success: If dstlen > 0, number of characters written to destination
311 * buffer. If dstlen == 0, number of characters needed to do
313 * Failure: 0. Occurs if not enough space is available.
316 * ERROR_INSUFFICIENT_BUFFER
317 * ERROR_INVALID_PARAMETER
319 INT WINAPI WideCharToMultiByte( UINT page, DWORD flags, LPCWSTR src, INT srclen,
320 LPSTR dst, INT dstlen, LPCSTR defchar, BOOL *used )
322 const union cptable *table;
325 if (!src || (!dst && dstlen))
327 SetLastError( ERROR_INVALID_PARAMETER );
331 if (srclen == -1) srclen = strlenW(src) + 1;
333 /* if (flags & WC_COMPOSITECHECK) FIXME( "WC_COMPOSITECHECK (%lx) not supported\n", flags );*/
338 FIXME("UTF-7 not supported\n");
339 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
342 ret = utf8_wcstombs( src, srclen, dst, dstlen );
345 if (!(table = get_codepage_table( page )))
347 SetLastError( ERROR_INVALID_PARAMETER );
350 ret = cp_wcstombs( table, flags, src, srclen, dst, dstlen,
351 defchar, used ? &used_tmp : NULL );
352 if (used) *used = used_tmp;
358 SetLastError( ERROR_INSUFFICIENT_BUFFER );
365 /******************************************************************************
366 * GetStringTypeW (KERNEL32)
369 BOOL WINAPI GetStringTypeW( DWORD type, LPCWSTR src, INT count, LPWORD chartype )
371 if (count == -1) count = strlenW(src) + 1;
375 while (count--) *chartype++ = get_char_typeW( *src++ ) & 0xfff;
378 while (count--) *chartype++ = get_char_typeW( *src++ ) >> 12;
381 FIXME("CT_CTYPE3 not supported.\n");
383 SetLastError( ERROR_INVALID_PARAMETER );
390 /******************************************************************************
391 * GetStringTypeExW (KERNEL32)
393 BOOL WINAPI GetStringTypeExW( LCID locale, DWORD type, LPCWSTR src, INT count, LPWORD chartype )
395 /* locale is ignored for Unicode */
396 return GetStringTypeW( type, src, count, chartype );