4 * Copyright 2000 Alexandre Julliard
15 #include "wine/unicode.h"
16 #include "debugtools.h"
18 DEFAULT_DEBUG_CHANNEL(string);
20 /* current code pages */
21 static const union cptable *ansi_cptable;
22 static const union cptable *oem_cptable;
23 static const union cptable *mac_cptable;
25 /* retrieve a code page table from the locale info */
26 static const union cptable *get_locale_cp( LCID lcid, LCTYPE type )
28 const union cptable *table = NULL;
31 if (GetLocaleInfoA( lcid, type, buf, sizeof(buf) )) table = cp_get_table( atoi(buf) );
35 /* setup default codepage info before we can get at the locale stuff */
36 static void init_codepages(void)
38 ansi_cptable = cp_get_table( 1252 );
39 oem_cptable = cp_get_table( 437 );
40 mac_cptable = cp_get_table( 10000 );
41 assert( ansi_cptable );
42 assert( oem_cptable );
43 assert( mac_cptable );
46 /* find the table for a given codepage, handling CP_ACP etc. pseudo-codepages */
47 static const union cptable *get_codepage_table( unsigned int codepage )
49 const union cptable *ret = NULL;
51 if (!ansi_cptable) init_codepages();
55 case CP_ACP: return ansi_cptable;
56 case CP_OEMCP: return oem_cptable;
57 case CP_MACCP: return mac_cptable;
58 case CP_THREAD_ACP: return get_locale_cp( GetThreadLocale(), LOCALE_IDEFAULTANSICODEPAGE );
63 if (codepage == ansi_cptable->info.codepage) return ansi_cptable;
64 if (codepage == oem_cptable->info.codepage) return oem_cptable;
65 if (codepage == mac_cptable->info.codepage) return mac_cptable;
66 ret = cp_get_table( codepage );
72 /* initialize default code pages from locale info */
73 /* FIXME: should be done in init_codepages, but it can't right now */
74 /* since it needs KERNEL32 to be loaded for the locale info. */
75 void CODEPAGE_Init(void)
77 const union cptable *table;
78 LCID lcid = GetUserDefaultLCID();
80 if (!ansi_cptable) init_codepages(); /* just in case */
82 if ((table = get_locale_cp( lcid, LOCALE_IDEFAULTANSICODEPAGE ))) ansi_cptable = table;
83 if ((table = get_locale_cp( lcid, LOCALE_IDEFAULTMACCODEPAGE ))) mac_cptable = table;
84 if ((table = get_locale_cp( lcid, LOCALE_IDEFAULTCODEPAGE ))) oem_cptable = table;
86 TRACE( "ansi=%03d oem=%03d mac=%03d\n", ansi_cptable->info.codepage,
87 oem_cptable->info.codepage, mac_cptable->info.codepage );
90 /******************************************************************************
94 * Current ANSI code-page identifier, default if no current defined
96 UINT WINAPI GetACP(void)
98 if (!ansi_cptable) init_codepages();
99 return ansi_cptable->info.codepage;
103 /***********************************************************************
104 * GetOEMCP (KERNEL32.@)
106 UINT WINAPI GetOEMCP(void)
108 if (!oem_cptable) init_codepages();
109 return oem_cptable->info.codepage;
113 /***********************************************************************
114 * IsValidCodePage (KERNEL32.@)
116 BOOL WINAPI IsValidCodePage( UINT codepage )
118 return cp_get_table( codepage ) != NULL;
122 /***********************************************************************
123 * IsDBCSLeadByteEx (KERNEL32.@)
125 BOOL WINAPI IsDBCSLeadByteEx( UINT codepage, BYTE testchar )
127 const union cptable *table = get_codepage_table( codepage );
128 return table && is_dbcs_leadbyte( table, testchar );
132 /***********************************************************************
133 * IsDBCSLeadByte (KERNEL32.@)
134 * IsDBCSLeadByte (KERNEL.207)
136 BOOL WINAPI IsDBCSLeadByte( BYTE testchar )
138 if (!ansi_cptable) init_codepages();
139 return is_dbcs_leadbyte( ansi_cptable, testchar );
143 /***********************************************************************
144 * GetCPInfo (KERNEL32.@)
146 BOOL WINAPI GetCPInfo( UINT codepage, LPCPINFO cpinfo )
148 const union cptable *table = get_codepage_table( codepage );
152 SetLastError( ERROR_INVALID_PARAMETER );
155 if (table->info.def_char & 0xff00)
157 cpinfo->DefaultChar[0] = table->info.def_char & 0xff00;
158 cpinfo->DefaultChar[1] = table->info.def_char & 0x00ff;
162 cpinfo->DefaultChar[0] = table->info.def_char & 0xff;
163 cpinfo->DefaultChar[1] = 0;
165 if ((cpinfo->MaxCharSize = table->info.char_size) == 2)
166 memcpy( cpinfo->LeadByte, table->dbcs.lead_bytes, sizeof(cpinfo->LeadByte) );
168 cpinfo->LeadByte[0] = cpinfo->LeadByte[1] = 0;
174 /***********************************************************************
175 * EnumSystemCodePagesA (KERNEL32.@)
177 BOOL WINAPI EnumSystemCodePagesA( CODEPAGE_ENUMPROCA lpfnCodePageEnum, DWORD flags )
179 const union cptable *table;
185 if (!(table = cp_enum_table( index++ ))) break;
186 sprintf( buffer, "%d", table->info.codepage );
187 if (!lpfnCodePageEnum( buffer )) break;
193 /***********************************************************************
194 * EnumSystemCodePagesW (KERNEL32.@)
196 BOOL WINAPI EnumSystemCodePagesW( CODEPAGE_ENUMPROCW lpfnCodePageEnum, DWORD flags )
198 const union cptable *table;
199 WCHAR buffer[10], *p;
204 if (!(table = cp_enum_table( index++ ))) break;
205 p = buffer + sizeof(buffer)/sizeof(WCHAR);
207 page = table->info.codepage;
210 *--p = '0' + (page % 10);
213 if (!lpfnCodePageEnum( p )) break;
219 /***********************************************************************
220 * MultiByteToWideChar (KERNEL32.@)
223 * page [in] Codepage character set to convert from
224 * flags [in] Character mapping flags
225 * src [in] Source string buffer
226 * srclen [in] Length of source string buffer
227 * dst [in] Destination buffer
228 * dstlen [in] Length of destination buffer
231 * The returned length includes the null terminator character.
234 * Success: If dstlen > 0, number of characters written to destination
235 * buffer. If dstlen == 0, number of characters needed to do
237 * Failure: 0. Occurs if not enough space is available.
240 * ERROR_INSUFFICIENT_BUFFER
241 * ERROR_INVALID_PARAMETER
242 * ERROR_NO_UNICODE_TRANSLATION
245 INT WINAPI MultiByteToWideChar( UINT page, DWORD flags, LPCSTR src, INT srclen,
246 LPWSTR dst, INT dstlen )
248 const union cptable *table;
251 if (!src || (!dst && dstlen))
253 SetLastError( ERROR_INVALID_PARAMETER );
257 if (srclen == -1) srclen = strlen(src) + 1;
259 if (flags & MB_USEGLYPHCHARS) FIXME("MB_USEGLYPHCHARS not supported\n");
264 FIXME("UTF not supported\n");
265 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
268 ret = utf8_mbstowcs( flags, src, srclen, dst, dstlen );
271 if (!(table = get_codepage_table( page )))
273 SetLastError( ERROR_INVALID_PARAMETER );
276 ret = cp_mbstowcs( table, flags, src, srclen, dst, dstlen );
284 case -1: SetLastError( ERROR_INSUFFICIENT_BUFFER ); break;
285 case -2: SetLastError( ERROR_NO_UNICODE_TRANSLATION ); break;
293 /***********************************************************************
294 * WideCharToMultiByte (KERNEL32.@)
297 * page [in] Codepage character set to convert to
298 * flags [in] Character mapping flags
299 * src [in] Source string buffer
300 * srclen [in] Length of source string buffer
301 * dst [in] Destination buffer
302 * dstlen [in] Length of destination buffer
303 * defchar [in] Default character to use for conversion if no exact
304 * conversion can be made
305 * used [out] Set if default character was used in the conversion
308 * The returned length includes the null terminator character.
311 * Success: If dstlen > 0, number of characters written to destination
312 * buffer. If dstlen == 0, number of characters needed to do
314 * Failure: 0. Occurs if not enough space is available.
317 * ERROR_INSUFFICIENT_BUFFER
318 * ERROR_INVALID_PARAMETER
320 INT WINAPI WideCharToMultiByte( UINT page, DWORD flags, LPCWSTR src, INT srclen,
321 LPSTR dst, INT dstlen, LPCSTR defchar, BOOL *used )
323 const union cptable *table;
326 if (!src || (!dst && dstlen))
328 SetLastError( ERROR_INVALID_PARAMETER );
332 if (srclen == -1) srclen = strlenW(src) + 1;
337 FIXME("UTF-7 not supported\n");
338 SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
341 ret = utf8_wcstombs( src, srclen, dst, dstlen );
344 if (!(table = get_codepage_table( page )))
346 SetLastError( ERROR_INVALID_PARAMETER );
349 ret = cp_wcstombs( table, flags, src, srclen, dst, dstlen,
350 defchar, used ? &used_tmp : NULL );
351 if (used) *used = used_tmp;
357 SetLastError( ERROR_INSUFFICIENT_BUFFER );
364 /******************************************************************************
365 * GetStringTypeW (KERNEL32.@)
368 BOOL WINAPI GetStringTypeW( DWORD type, LPCWSTR src, INT count, LPWORD chartype )
370 if (count == -1) count = strlenW(src) + 1;
374 while (count--) *chartype++ = get_char_typeW( *src++ ) & 0xfff;
377 while (count--) *chartype++ = get_char_typeW( *src++ ) >> 12;
380 FIXME("CT_CTYPE3 not supported.\n");
382 SetLastError( ERROR_INVALID_PARAMETER );
389 /******************************************************************************
390 * GetStringTypeExW (KERNEL32.@)
392 BOOL WINAPI GetStringTypeExW( LCID locale, DWORD type, LPCWSTR src, INT count, LPWORD chartype )
394 /* locale is ignored for Unicode */
395 return GetStringTypeW( type, src, count, chartype );