sal/osl/unx/nlsupport.c

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <osl/nlsupport.h>
  21 #include <osl/diagnose.h>
  22 #include <osl/process.h>
  23
  24 #if defined(LINUX) || defined(SOLARIS) || defined(NETBSD) || \
  25     defined(FREEBSD) || defined(MACOSX)  || defined(IOS) || defined(OPENBSD) || \
  26     defined(DRAGONFLY)
  27 #include <pthread.h>
  28 #if !defined(MACOSX) && !defined(IOS)
  29  #include <locale.h>
  30  #include <langinfo.h>
  31 #else
  32 #include <osl/module.h>
  33 #include <osl/thread.h>
  34 #endif  /* !MACOSX && !IOS */
  35 #endif  /* LINUX || SOLARIS || NETBSD || MACOSX || IOS */
  36
  37 #include <string.h>
  38
  39 /*****************************************************************************
  40  typedefs
  41  *****************************************************************************/
  42
  43
  44 typedef struct {
  45     const char              *key;
  46     const rtl_TextEncoding   value;
  47 } _pair;
  48
  49
  50 /*****************************************************************************
  51  compare function for binary search
  52  *****************************************************************************/
  53
  54 static int
  55 _pair_compare (const char *key, const _pair *pair)
  56 {
  57     int result = rtl_str_compareIgnoreAsciiCase( key, pair->key );
  58     return result;
  59 }
  60
  61 /*****************************************************************************
  62  binary search on encoding tables
  63  *****************************************************************************/
  64
  65 static const _pair*
  66 _pair_search (const char *key, const _pair *base, unsigned int member )
  67 {
  68     unsigned int lower = 0;
  69     unsigned int upper = member;
  70     unsigned int current;
  71     int comparison;
  72
  73     /* check for validity of input */
  74     if ( (key == NULL) || (base == NULL) || (member == 0) )
  75         return NULL;
  76
  77     /* binary search */
  78     while ( lower < upper )
  79     {
  80         current = (lower + upper) / 2;
  81         comparison = _pair_compare( key, base + current );
  82         if (comparison < 0)
  83             upper = current;
  84         else if (comparison > 0)
  85             lower = current + 1;
  86         else
  87             return base + current;
  88     }
  89
  90     return NULL;
  91 }
  92
  93
  94 /*****************************************************************************
  95  convert rtl_Locale to locale string
  96  *****************************************************************************/
  97
  98 static char * _compose_locale( rtl_Locale * pLocale, char * buffer, size_t n )
  99 {
 100     /* check if a valid locale is specified */
 101     if( pLocale && pLocale->Language &&
 102             (pLocale->Language->length == 2 || pLocale->Language->length == 3) )
 103     {
 104         size_t offset = 0;
 105
 106         /* convert language code to ascii */
 107         {
 108             rtl_String *pLanguage = NULL;
 109
 110             rtl_uString2String( &pLanguage,
 111                 pLocale->Language->buffer, pLocale->Language->length,
 112                 RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
 113
 114             if( SAL_INT_CAST(sal_uInt32, pLanguage->length) < n )
 115             {
 116                 strcpy( buffer, pLanguage->buffer );
 117                 offset = pLanguage->length;
 118             }
 119
 120             rtl_string_release( pLanguage );
 121         }
 122
 123         /* convert country code to ascii */
 124         if( pLocale->Country && (pLocale->Country->length == 2) )
 125         {
 126             rtl_String *pCountry = NULL;
 127
 128             rtl_uString2String( &pCountry,
 129                 pLocale->Country->buffer, pLocale->Country->length,
 130                 RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
 131
 132             if( offset + pCountry->length + 1 < n )
 133             {
 134                 strcpy( buffer + offset++, "_" );
 135                 strcpy( buffer + offset, pCountry->buffer );
 136                 offset += pCountry->length;
 137             }
 138
 139             rtl_string_release( pCountry );
 140         }
 141
 142         /* convert variant to ascii - check if there is enough space for the variant string */
 143         if( pLocale->Variant && pLocale->Variant->length &&
 144             ( SAL_INT_CAST(sal_uInt32, pLocale->Variant->length) < n - 6 ) )
 145         {
 146             rtl_String *pVariant = NULL;
 147
 148             rtl_uString2String( &pVariant,
 149                 pLocale->Variant->buffer, pLocale->Variant->length,
 150                 RTL_TEXTENCODING_ASCII_US, OUSTRING_TO_OSTRING_CVTFLAGS );
 151
 152             if( offset + pVariant->length + 1 < n )
 153             {
 154                 strcpy( buffer + offset, pVariant->buffer );
 155                 offset += pVariant->length;
 156             }
 157
 158             rtl_string_release( pVariant );
 159         }
 160
 161         return buffer;
 162     }
 163
 164     return NULL;
 165 }
 166
 167 /*****************************************************************************
 168  convert locale string to rtl_Locale
 169  *****************************************************************************/
 170
 171 static rtl_Locale * _parse_locale( const char * locale )
 172 {
 173     static sal_Unicode c_locale[2] = { (sal_Unicode) 'C', 0 };
 174
 175     /* check if locale contains a valid string */
 176     if( locale )
 177     {
 178         size_t len = strlen( locale );
 179
 180         if( len >= 2 )
 181         {
 182             rtl_uString * pLanguage = NULL;
 183             rtl_uString * pCountry  = NULL;
 184             rtl_uString * pVariant  = NULL;
 185
 186             size_t offset = 2;
 187
 188             rtl_Locale * ret;
 189
 190             /* language is a two or three letter code */
 191             if( (len > 3 && '_' == locale[3]) || (len == 3 && '_' != locale[2]) )
 192                 offset = 3;
 193
 194             /* convert language code to unicode */
 195             rtl_string2UString( &pLanguage, locale, offset, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
 196             OSL_ASSERT(pLanguage != NULL);
 197
 198             /* convert country code to unicode */
 199             if( len >= offset+3 && '_' == locale[offset] )
 200             {
 201                 rtl_string2UString( &pCountry, locale + offset + 1, 2, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
 202                 OSL_ASSERT(pCountry != NULL);
 203                 offset += 3;
 204             }
 205
 206             /* convert variant code to unicode - do not rely on "." as delimiter */
 207             if( len > offset ) {
 208                 rtl_string2UString( &pVariant, locale + offset, len - offset, RTL_TEXTENCODING_ASCII_US, OSTRING_TO_OUSTRING_CVTFLAGS );
 209                 OSL_ASSERT(pVariant != NULL);
 210             }
 211
 212             ret =  rtl_locale_register( pLanguage->buffer, pCountry ? pCountry->buffer : c_locale + 1, pVariant ? pVariant->buffer : c_locale + 1 );
 213
 214             if (pVariant) rtl_uString_release(pVariant);
 215             if (pCountry) rtl_uString_release(pCountry);
 216             if (pLanguage) rtl_uString_release(pLanguage);
 217
 218             return ret;
 219         }
 220         else
 221             return rtl_locale_register( c_locale, c_locale + 1, c_locale + 1 );
 222     }
 223
 224     return NULL;
 225 }
 226
 227 #if defined(LINUX) || defined(SOLARIS) || defined(NETBSD) || \
 228     defined(FREEBSD) || defined(OPENBSD) || defined(DRAGONFLY)
 229
 230 /*
 231  * This implementation of osl_getTextEncodingFromLocale maps
 232  * from nl_langinfo(CODESET) to rtl_textencoding defines.
 233  * nl_langinfo() is supported only on Linux, Solaris,
 234  * >= NetBSD 1.6 and >= FreeBSD 4.4
 235  *
 236  * This routine is SLOW because of the setlocale call, so
 237  * grab the result and cache it.
 238  *
 239  * XXX this code has the usual mt problems aligned with setlocale() XXX
 240  */
 241
 242 #ifdef LINUX
 243 #if !defined(CODESET)
 244 #define CODESET _NL_CTYPE_CODESET_NAME
 245 #endif
 246 #endif
 247
 248 /*
 249  * _nl_language_list[] is an array list of supported encodings. Because
 250  * we are using a binary search, the list has to be in ascending order.
 251  * We are comparing the encodings case insensitiv, so the list has
 252  * to be completely upper- , or lowercase.
 253  */
 254
 255 #if defined(SOLARIS)
 256
 257 /* The values in the below list can be obtained with a script like
 258  *  #!/bin/sh
 259  *  for i in `locale -a`; do
 260  *    LC_ALL=$i locale -k code_set_name
 261  *  done
 262  */
 263 const _pair _nl_language_list[] = {
 264     { "5601",           RTL_TEXTENCODING_EUC_KR         }, /* ko_KR.EUC */
 265     { "646",            RTL_TEXTENCODING_ISO_8859_1     }, /* fake: ASCII_US */
 266     { "ANSI-1251",      RTL_TEXTENCODING_MS_1251        }, /* ru_RU.ANSI1251 */
 267     { "BIG5",           RTL_TEXTENCODING_BIG5           }, /* zh_CN.BIG5 */
 268     { "BIG5-HKSCS",     RTL_TEXTENCODING_BIG5_HKSCS     }, /* zh_CN.BIG5HK */
 269     { "CNS11643",       RTL_TEXTENCODING_EUC_TW         }, /* zh_TW.EUC */
 270     { "EUCJP",          RTL_TEXTENCODING_EUC_JP         }, /* ja_JP.eucjp */
 271     { "GB18030",        RTL_TEXTENCODING_GB_18030       }, /* zh_CN.GB18030 */
 272     { "GB2312",         RTL_TEXTENCODING_GB_2312        }, /* zh_CN */
 273     { "GBK",            RTL_TEXTENCODING_GBK            }, /* zh_CN.GBK */
 274     { "ISO8859-1",      RTL_TEXTENCODING_ISO_8859_1     },
 275     { "ISO8859-10",     RTL_TEXTENCODING_ISO_8859_10    },
 276     { "ISO8859-13",     RTL_TEXTENCODING_ISO_8859_13    }, /* lt_LT lv_LV */
 277     { "ISO8859-14",     RTL_TEXTENCODING_ISO_8859_14    },
 278     { "ISO8859-15",     RTL_TEXTENCODING_ISO_8859_15    },
 279     { "ISO8859-2",      RTL_TEXTENCODING_ISO_8859_2     },
 280     { "ISO8859-3",      RTL_TEXTENCODING_ISO_8859_3     },
 281     { "ISO8859-4",      RTL_TEXTENCODING_ISO_8859_4     },
 282     { "ISO8859-5",      RTL_TEXTENCODING_ISO_8859_5     },
 283     { "ISO8859-6",      RTL_TEXTENCODING_ISO_8859_6     },
 284     { "ISO8859-7",      RTL_TEXTENCODING_ISO_8859_7     },
 285     { "ISO8859-8",      RTL_TEXTENCODING_ISO_8859_8     },
 286     { "ISO8859-9",      RTL_TEXTENCODING_ISO_8859_9     },
 287     { "KOI8-R",         RTL_TEXTENCODING_KOI8_R         },
 288     { "KOI8-U",         RTL_TEXTENCODING_KOI8_U         },
 289     { "PCK",            RTL_TEXTENCODING_MS_932         },
 290     { "SUN_EU_GREEK",   RTL_TEXTENCODING_ISO_8859_7     }, /* 8859-7 + Euro */
 291     { "TIS620.2533",    RTL_TEXTENCODING_MS_874         }, /* th_TH.TIS620 */
 292     { "UTF-8",          RTL_TEXTENCODING_UTF8           }
 293 };
 294
 295 /* XXX MS-874 is an extension to tis620, so this is not
 296  * really equivalent */
 297
 298 #elif defined(LINUX)
 299
 300 const _pair _nl_language_list[] = {
 301     { "ANSI_X3.110-1983",           RTL_TEXTENCODING_DONTKNOW   },  /* ISO-IR-99 NAPLPS */
 302     { "ANSI_X3.4-1968",             RTL_TEXTENCODING_ISO_8859_1 },  /* fake: ASCII_US */
 303     { "ASMO_449",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO_9036 ARABIC7 */
 304     { "BALTIC",                     RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-179 */
 305     { "BIG5",                       RTL_TEXTENCODING_BIG5 },        /* locale: zh_TW */
 306     { "BIG5-HKSCS",                 RTL_TEXTENCODING_BIG5_HKSCS },  /* locale: zh_CN.BIG5HK */
 307     { "BIG5HKSCS",                  RTL_TEXTENCODING_BIG5_HKSCS },  /* deprecated */
 308     { "BS_4730",                    RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-4 ISO646-GB */
 309     { "BS_VIEWDATA",                RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-47 */
 310     { "CP1250",                     RTL_TEXTENCODING_MS_1250 },     /* MS-EE */
 311     { "CP1251",                     RTL_TEXTENCODING_MS_1251 },     /* MS-CYRL */
 312     { "CP1252",                     RTL_TEXTENCODING_MS_1252 },     /* MS-ANSI */
 313     { "CP1253",                     RTL_TEXTENCODING_MS_1253 },     /* MS-GREEK */
 314     { "CP1254",                     RTL_TEXTENCODING_MS_1254 },     /* MS-TURK */
 315     { "CP1255",                     RTL_TEXTENCODING_MS_1255 },     /* MS-HEBR */
 316     { "CP1256",                     RTL_TEXTENCODING_MS_1256 },     /* MS-ARAB */
 317     { "CP1257",                     RTL_TEXTENCODING_MS_1257 },     /* WINBALTRIM */
 318     { "CSA_Z243.4-1985-1",          RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-121 */
 319     { "CSA_Z243.4-1985-2",          RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-122 CSA7-2 */
 320     { "CSA_Z243.4-1985-GR",         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-123 */
 321     { "CSN_369103",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-139 */
 322     { "CWI",                        RTL_TEXTENCODING_DONTKNOW },    /* CWI-2 CP-HU */
 323     { "DEC-MCS",                    RTL_TEXTENCODING_DONTKNOW },    /* DEC */
 324     { "DIN_66003",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-21 */
 325     { "DS_2089",                    RTL_TEXTENCODING_DONTKNOW },    /* DS2089 ISO646-DK */
 326     { "EBCDIC-AT-DE",               RTL_TEXTENCODING_DONTKNOW },
 327     { "EBCDIC-AT-DE-A",             RTL_TEXTENCODING_DONTKNOW },
 328     { "EBCDIC-CA-FR",               RTL_TEXTENCODING_DONTKNOW },
 329     { "EBCDIC-DK-NO",               RTL_TEXTENCODING_DONTKNOW },
 330     { "EBCDIC-DK-NO-A",             RTL_TEXTENCODING_DONTKNOW },
 331     { "EBCDIC-ES",                  RTL_TEXTENCODING_DONTKNOW },
 332     { "EBCDIC-ES-A",                RTL_TEXTENCODING_DONTKNOW },
 333     { "EBCDIC-ES-S",                RTL_TEXTENCODING_DONTKNOW },
 334     { "EBCDIC-FI-SE",               RTL_TEXTENCODING_DONTKNOW },
 335     { "EBCDIC-FI-SE-A",             RTL_TEXTENCODING_DONTKNOW },
 336     { "EBCDIC-FR",                  RTL_TEXTENCODING_DONTKNOW },
 337     { "EBCDIC-IS-FRISS",            RTL_TEXTENCODING_DONTKNOW },    /*  FRISS */
 338     { "EBCDIC-IT",                  RTL_TEXTENCODING_DONTKNOW },
 339     { "EBCDIC-PT",                  RTL_TEXTENCODING_DONTKNOW },
 340     { "EBCDIC-UK",                  RTL_TEXTENCODING_DONTKNOW },
 341     { "EBCDIC-US",                  RTL_TEXTENCODING_DONTKNOW },
 342     { "ECMA-CYRILLIC",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-111 */
 343     { "ES",                         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-17 */
 344     { "ES2",                        RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-85 */
 345     { "EUC-JP",                     RTL_TEXTENCODING_EUC_JP },      /* locale: ja_JP.eucjp */
 346     { "EUC-KR",                     RTL_TEXTENCODING_EUC_KR },      /* locale: ko_KR.euckr */
 347     { "EUC-TW",                     RTL_TEXTENCODING_EUC_TW },      /* locale: zh_TW.euctw */
 348     { "GB18030",                    RTL_TEXTENCODING_GB_18030 },    /* locale: zh_CN.gb18030 */
 349     { "GB2312",                     RTL_TEXTENCODING_GB_2312 },     /* locale: zh_CN */
 350     { "GB_1988-80",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-57 */
 351     { "GBK",                        RTL_TEXTENCODING_GBK },         /* locale: zh_CN.GBK */
 352     { "GOST_19768-74",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-153 */
 353     { "GREEK-CCITT",                RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-150 */
 354     { "GREEK7",                     RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-88 */
 355     { "GREEK7-OLD",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-18 */
 356     { "HP-ROMAN8",                  RTL_TEXTENCODING_DONTKNOW },    /* ROMAN8 R8 */
 357     { "IBM037",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-[US|CA|WT] */
 358     { "IBM038",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-INT CP038 */
 359     { "IBM1004",                    RTL_TEXTENCODING_DONTKNOW },    /* CP1004 OS2LATIN1 */
 360     { "IBM1026",                    RTL_TEXTENCODING_DONTKNOW },    /* CP1026 1026 */
 361     { "IBM1047",                    RTL_TEXTENCODING_DONTKNOW },    /* CP1047 1047 */
 362     { "IBM256",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-INT1 */
 363     { "IBM273",                     RTL_TEXTENCODING_DONTKNOW },    /* CP273 */
 364     { "IBM274",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-BE CP274 */
 365     { "IBM275",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-BR CP275 */
 366     { "IBM277",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-[DK|NO] */
 367     { "IBM278",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-[FISE]*/
 368     { "IBM280",                     RTL_TEXTENCODING_DONTKNOW },    /* CP280 EBCDIC-CP-IT*/
 369     { "IBM281",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-JP-E CP281 */
 370     { "IBM284",                     RTL_TEXTENCODING_DONTKNOW },    /* CP284 EBCDIC-CP-ES */
 371     { "IBM285",                     RTL_TEXTENCODING_DONTKNOW },    /* CP285 EBCDIC-CP-GB */
 372     { "IBM290",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-JP-KANA */
 373     { "IBM297",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-FR */
 374     { "IBM420",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-AR1 */
 375     { "IBM423",                     RTL_TEXTENCODING_DONTKNOW },    /* CP423 EBCDIC-CP-GR */
 376     { "IBM424",                     RTL_TEXTENCODING_DONTKNOW },    /* CP424 EBCDIC-CP-HE */
 377     { "IBM437",                     RTL_TEXTENCODING_IBM_437 },     /* CP437 437 */
 378     { "IBM500",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CP-[BE|CH] */
 379     { "IBM850",                     RTL_TEXTENCODING_IBM_850 },     /* CP850 850 */
 380     { "IBM851",                     RTL_TEXTENCODING_DONTKNOW },    /* CP851 851 */
 381     { "IBM852",                     RTL_TEXTENCODING_IBM_852 },     /* CP852 852 */
 382     { "IBM855",                     RTL_TEXTENCODING_IBM_855 },     /* CP855 855 */
 383     { "IBM857",                     RTL_TEXTENCODING_IBM_857 },     /* CP857 857 */
 384     { "IBM860",                     RTL_TEXTENCODING_IBM_860 },     /* CP860 860 */
 385     { "IBM861",                     RTL_TEXTENCODING_IBM_861 },     /* CP861 861 CP-IS */
 386     { "IBM862",                     RTL_TEXTENCODING_IBM_862 },     /* CP862 862 */
 387     { "IBM863",                     RTL_TEXTENCODING_IBM_863 },     /* CP863 863 */
 388     { "IBM864",                     RTL_TEXTENCODING_IBM_864 },     /* CP864 */
 389     { "IBM865",                     RTL_TEXTENCODING_IBM_865 },     /* CP865 865 */
 390     { "IBM866",                     RTL_TEXTENCODING_IBM_866 },     /* CP866 866 */
 391     { "IBM868",                     RTL_TEXTENCODING_DONTKNOW },    /* CP868 CP-AR */
 392     { "IBM869",                     RTL_TEXTENCODING_IBM_869 },     /* CP869 869 CP-GR */
 393     { "IBM870",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-[ROECE|YU] */
 394     { "IBM871",                     RTL_TEXTENCODING_DONTKNOW },    /* CP871 EBCDIC-CP-IS */
 395     { "IBM875",                     RTL_TEXTENCODING_DONTKNOW },    /* CP875 EBCDIC-GREEK */
 396     { "IBM880",                     RTL_TEXTENCODING_DONTKNOW },    /* EBCDIC-CYRILLIC */
 397     { "IBM891",                     RTL_TEXTENCODING_DONTKNOW },    /* CP891 */
 398     { "IBM903",                     RTL_TEXTENCODING_DONTKNOW },    /* CP903 */
 399     { "IBM904",                     RTL_TEXTENCODING_DONTKNOW },    /* CP904 904 */
 400     { "IBM905",                     RTL_TEXTENCODING_DONTKNOW },    /* CP905 EBCDIC-CP-TR */
 401     { "IBM918",                     RTL_TEXTENCODING_DONTKNOW },    /* CP918 EBCDIC-AR2 */
 402     { "IEC_P27-1",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-143 */
 403     { "INIS",                       RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-49 */
 404     { "INIS-8",                     RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-50 */
 405     { "INIS-CYRILLIC",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-51 */
 406     { "INVARIANT",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-170 */
 407     { "ISO-8859-1",                 RTL_TEXTENCODING_ISO_8859_1 },  /* ISO-IR-100 CP819 */
 408     { "ISO-8859-10",                RTL_TEXTENCODING_ISO_8859_10 }, /* ISO-IR-157 LATIN6 */
 409     { "ISO-8859-13",                RTL_TEXTENCODING_ISO_8859_13 }, /* ISO-IR-179 LATIN7 */
 410     { "ISO-8859-14",                RTL_TEXTENCODING_ISO_8859_14 }, /* LATIN8 L8 */
 411     { "ISO-8859-15",                RTL_TEXTENCODING_ISO_8859_15 },
 412     { "ISO-8859-2",                 RTL_TEXTENCODING_ISO_8859_2 },  /* LATIN2 L2 */
 413     { "ISO-8859-3",                 RTL_TEXTENCODING_ISO_8859_3 },  /* LATIN3 L3 */
 414     { "ISO-8859-4",                 RTL_TEXTENCODING_ISO_8859_4 },  /* LATIN4 L4 */
 415     { "ISO-8859-5",                 RTL_TEXTENCODING_ISO_8859_5 },  /* CYRILLIC */
 416     { "ISO-8859-6",                 RTL_TEXTENCODING_ISO_8859_6 },  /* ECMA-114 ARABIC */
 417     { "ISO-8859-7",                 RTL_TEXTENCODING_ISO_8859_7 },  /* ECMA-118 GREEK8 */
 418     { "ISO-8859-8",                 RTL_TEXTENCODING_ISO_8859_8 },  /* ISO_8859-8 HEBREW */
 419     { "ISO-8859-9",                 RTL_TEXTENCODING_ISO_8859_9 },  /* ISO_8859-9 LATIN5 */
 420     { "ISO-IR-90",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO_6937-2:1983 */
 421     { "ISO_10367-BOX",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-155 */
 422     { "ISO_2033-1983",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-98 E13B */
 423     { "ISO_5427",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-37 KOI-7 */
 424     { "ISO_5427-EXT",               RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-54  */
 425     { "ISO_5428",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-55 */
 426     { "ISO_646.BASIC",              RTL_TEXTENCODING_ASCII_US },    /* REF */
 427     { "ISO_646.IRV",                RTL_TEXTENCODING_ASCII_US },    /* ISO-IR-2 IRV */
 428     { "ISO_646.IRV:1983",           RTL_TEXTENCODING_ISO_8859_1 },  /* fake: ASCII_US, used for "C" locale*/
 429     { "ISO_6937",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-156 ISO6937*/
 430     { "ISO_6937-2-25",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-152 */
 431     { "ISO_6937-2-ADD",             RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-142 */
 432     { "ISO_8859-SUPP",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-154 */
 433     { "IT",                         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-15  */
 434     { "JIS_C6220-1969-JP",          RTL_TEXTENCODING_DONTKNOW },    /* KATAKANA X0201-7 */
 435     { "JIS_C6220-1969-RO",          RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-14 */
 436     { "JIS_C6229-1984-A",           RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-91 */
 437     { "JIS_C6229-1984-B",           RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-92 */
 438     { "JIS_C6229-1984-B-ADD",       RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-93 */
 439     { "JIS_C6229-1984-HAND",        RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-94 */
 440     { "JIS_C6229-1984-HAND-ADD",    RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-95 */
 441     { "JIS_C6229-1984-KANA",        RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-96 */
 442     { "JIS_X0201",                  RTL_TEXTENCODING_DONTKNOW },    /* X0201 */
 443     { "JUS_I.B1.002",               RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-141 */
 444     { "JUS_I.B1.003-MAC",           RTL_TEXTENCODING_DONTKNOW },    /* MACEDONIAN */
 445     { "JUS_I.B1.003-SERB",          RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-146 SERBIAN */
 446     { "KOI-8",                      RTL_TEXTENCODING_DONTKNOW },
 447     { "KOI8-R",                     RTL_TEXTENCODING_KOI8_R },
 448     { "KOI8-U",                     RTL_TEXTENCODING_KOI8_U },
 449     { "KSC5636",                    RTL_TEXTENCODING_DONTKNOW },    /* ISO646-KR */
 450     { "LATIN-GREEK",                RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-19 */
 451     { "LATIN-GREEK-1",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-27 */
 452     { "MAC-IS",                     RTL_TEXTENCODING_APPLE_ROMAN },
 453     { "MAC-UK",                     RTL_TEXTENCODING_APPLE_ROMAN },
 454     { "MACINTOSH",                  RTL_TEXTENCODING_APPLE_ROMAN }, /* MAC */
 455     { "MSZ_7795.3",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-86 */
 456     { "NATS-DANO",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-9-1 */
 457     { "NATS-DANO-ADD",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-9-2 */
 458     { "NATS-SEFI",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-8-1 */
 459     { "NATS-SEFI-ADD",              RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-8-2 */
 460     { "NC_NC00-10",                 RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-151 */
 461     { "NEXTSTEP",                   RTL_TEXTENCODING_DONTKNOW },    /* NEXT */
 462     { "NF_Z_62-010",                RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-69 */
 463     { "NF_Z_62-010_(1973)",         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-25 */
 464     { "NS_4551-1",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-60 */
 465     { "NS_4551-2",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-61 */
 466     { "PT",                         RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-16 */
 467     { "PT2",                        RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-84 */
 468     { "SAMI",                       RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-158 */
 469     { "SEN_850200_B",               RTL_TEXTENCODING_DONTKNOW },    /* ISO646-[FI|SE] */
 470     { "SEN_850200_C",               RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-11 */
 471     { "T.101-G2",                   RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-128 */
 472     { "T.61-7BIT",                  RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-102 */
 473     { "T.61-8BIT",                  RTL_TEXTENCODING_DONTKNOW },    /* T.61 ISO-IR-103 */
 474     { "TIS-620",                    RTL_TEXTENCODING_MS_874 },     /* locale: th_TH */
 475     { "UTF-8",                      RTL_TEXTENCODING_UTF8 },        /* ISO-10646/UTF-8 */
 476     { "VIDEOTEX-SUPPL",             RTL_TEXTENCODING_DONTKNOW },    /* ISO-IR-70 */
 477     { "WIN-SAMI-2",                 RTL_TEXTENCODING_DONTKNOW }     /* WS2 */
 478 };
 479
 480 #elif defined(FREEBSD) || defined(DRAGONFLY)
 481
 482 const _pair _nl_language_list[] = {
 483     { "ASCII",         RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
 484     { "BIG5",          RTL_TEXTENCODING_BIG5           }, /* China - Traditional Chinese */
 485     { "CP1251",        RTL_TEXTENCODING_MS_1251        }, /* MS-CYRL */
 486     { "CP866",         RTL_TEXTENCODING_IBM_866        }, /* CP866 866 */
 487     { "EUCCN",         RTL_TEXTENCODING_EUC_CN         }, /* China - Simplified Chinese */
 488     { "EUCJP",         RTL_TEXTENCODING_EUC_JP         }, /* Japan */
 489     { "EUCKR",         RTL_TEXTENCODING_EUC_KR         }, /* Korea */
 490     { "ISO8859-1",     RTL_TEXTENCODING_ISO_8859_1     }, /* Western */
 491     { "ISO8859-15",    RTL_TEXTENCODING_ISO_8859_15    }, /* Western Updated (w/Euro sign) */
 492     { "ISO8859-2",     RTL_TEXTENCODING_ISO_8859_2     }, /* Central European */
 493     { "ISO8859-4",     RTL_TEXTENCODING_ISO_8859_4     }, /* LATIN4 L4 */
 494     { "ISO8859-5",     RTL_TEXTENCODING_ISO_8859_5     }, /* Cyrillic */
 495     { "ISO8859-7",     RTL_TEXTENCODING_ISO_8859_7     }, /* Greek */
 496     { "ISO8859-9",     RTL_TEXTENCODING_ISO_8859_9     }, /* Turkish */
 497     { "KOI8-R",        RTL_TEXTENCODING_KOI8_R         }, /* KOI8-R */
 498     { "KOI8-U",        RTL_TEXTENCODING_KOI8_U         }, /* KOI8-U */
 499     { "SJIS",          RTL_TEXTENCODING_SHIFT_JIS      }, /* Japan */
 500     { "US-ASCII",      RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
 501     { "UTF-8",         RTL_TEXTENCODING_UTF8           }  /* ISO-10646/UTF-8 */
 502 };
 503
 504 #elif defined(NETBSD)
 505
 506 const _pair _nl_language_list[] = {
 507     { "ASCII",         RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
 508     { "BIG5",          RTL_TEXTENCODING_BIG5           }, /* China - Traditional Chinese */
 509     { "Big5",          RTL_TEXTENCODING_BIG5           }, /* China - Traditional Chinese */
 510     { "Big5-HKSCS",    RTL_TEXTENCODING_BIG5_HKSCS     }, /* locale: zh_CN.BIG5HK */
 511     { "Big5HKSCS",     RTL_TEXTENCODING_BIG5_HKSCS     }, /* deprecated */
 512     { "CP1251",        RTL_TEXTENCODING_MS_1251        }, /* MS-CYRL */
 513     { "CP866",         RTL_TEXTENCODING_IBM_866        }, /* CP866 866 */
 514     { "CTEXT",         RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
 515     { "eucCN",         RTL_TEXTENCODING_EUC_CN         }, /* China - Simplified Chinese */
 516     { "eucJP",         RTL_TEXTENCODING_EUC_JP         }, /* Japan */
 517     { "eucKR",         RTL_TEXTENCODING_EUC_KR         }, /* Korea */
 518     { "eucTW",         RTL_TEXTENCODING_EUC_TW         }, /* China - Traditional Chinese */
 519     { "GB18030",       RTL_TEXTENCODING_GB_18030       }, /* locale: zh_CN.gb18030 */
 520     { "GB2312",        RTL_TEXTENCODING_GB_2312        }, /* locale: zh_CN */
 521     { "ISO-2022-JP",   RTL_TEXTENCODING_DONTKNOW       }, /* */
 522     { "ISO-2022-JP-2", RTL_TEXTENCODING_DONTKNOW       }, /* */
 523     { "ISO8859-1",     RTL_TEXTENCODING_ISO_8859_1     }, /* Western */
 524     { "ISO8859-13",    RTL_TEXTENCODING_ISO_8859_13    }, /* ISO-IR-179 LATIN7 */
 525     { "ISO8859-15",    RTL_TEXTENCODING_ISO_8859_15    }, /* Western Updated (w/Euro sign) */
 526     { "ISO8859-2",     RTL_TEXTENCODING_ISO_8859_2     }, /* Central European */
 527     { "ISO8859-4",     RTL_TEXTENCODING_ISO_8859_4     }, /* LATIN4 L4 */
 528     { "ISO8859-5",     RTL_TEXTENCODING_ISO_8859_5     }, /* Cyrillic */
 529     { "ISO8859-7",     RTL_TEXTENCODING_ISO_8859_7     }, /* Greek */
 530     { "ISO8859-9",     RTL_TEXTENCODING_ISO_8859_9     }, /* Turkish */
 531     { "KOI8-R",        RTL_TEXTENCODING_KOI8_R         }, /* KOI8-R */
 532     { "KOI8-U",        RTL_TEXTENCODING_KOI8_U         }, /* KOI8-U */
 533     { "PT154",         RTL_TEXTENCODING_PT154          }, /* */
 534     { "SJIS",          RTL_TEXTENCODING_SHIFT_JIS      }, /* Japan */
 535     { "US-ASCII",      RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
 536     { "UTF-8",         RTL_TEXTENCODING_UTF8           }  /* ISO-10646/UTF-8 */
 537 };
 538
 539 #elif defined(OPENBSD)
 540
 541 const _pair _nl_language_list[] = {
 542     { "ASCII",         RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
 543     { "BIG5",          RTL_TEXTENCODING_BIG5           }, /* China - Traditional Chinese */
 544     { "CP1251",        RTL_TEXTENCODING_MS_1251        }, /* MS-CYRL */
 545     { "CP866",         RTL_TEXTENCODING_IBM_866        }, /* CP866 866 */
 546     { "EUCCN",         RTL_TEXTENCODING_EUC_CN         }, /* China - Simplified Chinese */
 547     { "EUCJP",         RTL_TEXTENCODING_EUC_JP         }, /* Japan */
 548     { "EUCKR",         RTL_TEXTENCODING_EUC_KR         }, /* Korea */
 549     { "ISO8859-1",     RTL_TEXTENCODING_ISO_8859_1     }, /* Western */
 550     { "ISO8859-15",    RTL_TEXTENCODING_ISO_8859_15    }, /* Western Updated (w/Euro sign) */
 551     { "ISO8859-2",     RTL_TEXTENCODING_ISO_8859_2     }, /* Central European */
 552     { "ISO8859-4",     RTL_TEXTENCODING_ISO_8859_4     }, /* LATIN4 L4 */
 553     { "ISO8859-5",     RTL_TEXTENCODING_ISO_8859_5     }, /* Cyrillic */
 554     { "ISO8859-7",     RTL_TEXTENCODING_ISO_8859_7     }, /* Greek */
 555     { "ISO8859-9",     RTL_TEXTENCODING_ISO_8859_9     }, /* Turkish */
 556     { "KOI8-R",        RTL_TEXTENCODING_KOI8_R         }, /* KOI8-R */
 557     { "KOI8-U",        RTL_TEXTENCODING_KOI8_U         }, /* KOI8-U */
 558     { "SJIS",          RTL_TEXTENCODING_SHIFT_JIS      }, /* Japan */
 559     { "US-ASCII",      RTL_TEXTENCODING_ASCII_US       }, /* US-ASCII */
 560     { "UTF-8",         RTL_TEXTENCODING_UTF8           }  /* ISO-10646/UTF-8 */
 561 };
 562
 563 #endif /* ifdef SOLARIS LINUX FREEBSD NETBSD OPENBSD */
 564
 565 static pthread_mutex_t aLocalMutex = PTHREAD_MUTEX_INITIALIZER;
 566
 567 /*****************************************************************************
 568  return the text encoding corresponding to the given locale
 569  *****************************************************************************/
 570
 571 rtl_TextEncoding osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
 572 {
 573     const _pair *language=0;
 574
 575     char  locale_buf[64] = "";
 576     char  codeset_buf[64];
 577
 578     char *ctype_locale = 0;
 579     char *codeset      = 0;
 580
 581     /* default to process locale if pLocale == NULL */
 582     if( NULL == pLocale )
 583         osl_getProcessLocale( &pLocale );
 584
 585     /* convert rtl_Locale to locale string */
 586     _compose_locale( pLocale, locale_buf, 64 );
 587
 588     /* basic thread safeness */
 589     pthread_mutex_lock( &aLocalMutex );
 590
 591     /* remember the charset as indicated by the LC_CTYPE locale */
 592     ctype_locale = setlocale( LC_CTYPE, NULL );
 593
 594     /* set the desired LC_CTYPE locale */
 595     if( NULL == setlocale( LC_CTYPE, locale_buf ) )
 596     {
 597         pthread_mutex_unlock(&aLocalMutex);
 598         return RTL_TEXTENCODING_DONTKNOW;
 599     }
 600
 601     /* get the charset as indicated by the LC_CTYPE locale */
 602 #if defined(NETBSD) && !defined(CODESET)
 603     codeset = NULL;
 604 #else
 605     codeset = nl_langinfo( CODESET );
 606 #endif
 607
 608     if ( codeset != NULL )
 609     {
 610         /* get codeset into mt save memory */
 611         strncpy( codeset_buf, codeset, sizeof(codeset_buf) );
 612         codeset_buf[sizeof(codeset_buf) - 1] = 0;
 613         codeset = codeset_buf;
 614     }
 615
 616     /* restore the original value of locale */
 617     if ( ctype_locale != NULL )
 618         setlocale( LC_CTYPE, ctype_locale );
 619
 620     pthread_mutex_unlock( &aLocalMutex );
 621
 622     /* search the codeset in our language list */
 623     if ( codeset != NULL )
 624     {
 625         language = _pair_search (codeset, _nl_language_list, SAL_N_ELEMENTS( _nl_language_list ) );
 626     }
 627
 628     OSL_ASSERT( language && ( RTL_TEXTENCODING_DONTKNOW != language->value ) );
 629
 630     /* a matching item in our list provides a mapping from codeset to
 631      * rtl-codeset */
 632     if ( language != NULL )
 633         return language->value;
 634
 635     return RTL_TEXTENCODING_DONTKNOW;
 636 }
 637
 638 /*****************************************************************************
 639  return the current process locale
 640  *****************************************************************************/
 641
 642 void _imp_getProcessLocale( rtl_Locale ** ppLocale )
 643 {
 644     char * locale;
 645
 646     /* basic thread safeness */
 647     pthread_mutex_lock( &aLocalMutex );
 648
 649     /* set the locale defined by the env vars */
 650     locale = setlocale( LC_CTYPE, "" );
 651
 652     /* fallback to the current locale */
 653     if( NULL == locale )
 654         locale = setlocale( LC_CTYPE, NULL );
 655
 656     /* return the LC_CTYPE locale */
 657     *ppLocale = _parse_locale( locale );
 658
 659     pthread_mutex_unlock( &aLocalMutex );
 660 }
 661
 662 /*****************************************************************************
 663  set the current process locale
 664  *****************************************************************************/
 665
 666 int _imp_setProcessLocale( rtl_Locale * pLocale )
 667 {
 668     char  locale_buf[64] = "";
 669     int   ret = 0;
 670
 671     /* convert rtl_Locale to locale string */
 672     _compose_locale( pLocale, locale_buf, 64 );
 673
 674     /* basic thread safeness */
 675     pthread_mutex_lock( &aLocalMutex );
 676
 677     /* try to set LC_ALL locale */
 678     if( NULL == setlocale( LC_ALL, locale_buf ) )
 679         ret = -1;
 680
 681     pthread_mutex_unlock( &aLocalMutex );
 682     return ret;
 683 }
 684
 685 #else /* ifdef LINUX || SOLARIS || MACOSX || NETBSD */
 686
 687 /*
 688  * This implementation of osl_getTextEncodingFromLocale maps
 689  * from the ISO language codes.
 690  */
 691
 692 const _pair _full_locale_list[] = {
 693     { "ja_JP.eucJP",  RTL_TEXTENCODING_EUC_JP      },
 694     { "ja_JP.EUC",    RTL_TEXTENCODING_EUC_JP      },
 695     { "ko_KR.EUC",    RTL_TEXTENCODING_EUC_KR      },
 696     { "zh_CN.EUC",    RTL_TEXTENCODING_EUC_CN      },
 697     { "zh_TW.EUC",    RTL_TEXTENCODING_EUC_TW      }
 698 };
 699
 700 const _pair _locale_extension_list[] = {
 701     { "big5",         RTL_TEXTENCODING_BIG5        },
 702     { "big5hk",       RTL_TEXTENCODING_BIG5_HKSCS  },
 703     { "gb18030",      RTL_TEXTENCODING_GB_18030    },
 704     { "euc",          RTL_TEXTENCODING_EUC_JP      },
 705     { "iso8859-1",    RTL_TEXTENCODING_ISO_8859_1  },
 706     { "iso8859-10",   RTL_TEXTENCODING_ISO_8859_10 },
 707     { "iso8859-13",   RTL_TEXTENCODING_ISO_8859_13 },
 708     { "iso8859-14",   RTL_TEXTENCODING_ISO_8859_14 },
 709     { "iso8859-15",   RTL_TEXTENCODING_ISO_8859_15 },
 710     { "iso8859-2",    RTL_TEXTENCODING_ISO_8859_2  },
 711     { "iso8859-3",    RTL_TEXTENCODING_ISO_8859_3  },
 712     { "iso8859-4",    RTL_TEXTENCODING_ISO_8859_4  },
 713     { "iso8859-5",    RTL_TEXTENCODING_ISO_8859_5  },
 714     { "iso8859-6",    RTL_TEXTENCODING_ISO_8859_6  },
 715     { "iso8859-7",    RTL_TEXTENCODING_ISO_8859_7  },
 716     { "iso8859-8",    RTL_TEXTENCODING_ISO_8859_8  },
 717     { "iso8859-9",    RTL_TEXTENCODING_ISO_8859_9  },
 718     { "koi8-r",       RTL_TEXTENCODING_KOI8_R      },
 719     { "koi8-u",       RTL_TEXTENCODING_KOI8_U      },
 720     { "pck",          RTL_TEXTENCODING_MS_932      },
 721 #if (0)
 722     { "sun_eu_greek", RTL_TEXTENCODING_DONTKNOW    },
 723 #endif
 724     { "utf-16",       RTL_TEXTENCODING_UNICODE     },
 725     { "utf-7",        RTL_TEXTENCODING_UTF7        },
 726     { "utf-8",        RTL_TEXTENCODING_UTF8        }
 727 };
 728
 729 const _pair _iso_language_list[] = {
 730     { "af",  RTL_TEXTENCODING_ISO_8859_1 },
 731     { "ar",  RTL_TEXTENCODING_ISO_8859_6 },
 732     { "az",  RTL_TEXTENCODING_ISO_8859_9 },
 733     { "be",  RTL_TEXTENCODING_ISO_8859_5 },
 734     { "bg",  RTL_TEXTENCODING_ISO_8859_5 },
 735     { "ca",  RTL_TEXTENCODING_ISO_8859_1 },
 736     { "cs",  RTL_TEXTENCODING_ISO_8859_2 },
 737     { "da",  RTL_TEXTENCODING_ISO_8859_1 },
 738     { "de",  RTL_TEXTENCODING_ISO_8859_1 },
 739     { "el",  RTL_TEXTENCODING_ISO_8859_7 },
 740     { "en",  RTL_TEXTENCODING_ISO_8859_1 },
 741     { "es",  RTL_TEXTENCODING_ISO_8859_1 },
 742     { "et",  RTL_TEXTENCODING_ISO_8859_4 },
 743     { "eu",  RTL_TEXTENCODING_ISO_8859_1 },
 744     { "fa",  RTL_TEXTENCODING_ISO_8859_6 },
 745     { "fi",  RTL_TEXTENCODING_ISO_8859_1 },
 746     { "fo",  RTL_TEXTENCODING_ISO_8859_1 },
 747     { "fr",  RTL_TEXTENCODING_ISO_8859_1 },
 748     { "gr",  RTL_TEXTENCODING_ISO_8859_7 },
 749     { "he",  RTL_TEXTENCODING_ISO_8859_8 },
 750     { "hi",  RTL_TEXTENCODING_DONTKNOW },
 751     { "hr",  RTL_TEXTENCODING_ISO_8859_2 },
 752     { "hu",  RTL_TEXTENCODING_ISO_8859_2 },
 753     { "hy",  RTL_TEXTENCODING_DONTKNOW },
 754     { "id",  RTL_TEXTENCODING_ISO_8859_1 },
 755     { "is",  RTL_TEXTENCODING_ISO_8859_1 },
 756     { "it",  RTL_TEXTENCODING_ISO_8859_1 },
 757     { "iw",  RTL_TEXTENCODING_ISO_8859_8 },
 758     { "ja",  RTL_TEXTENCODING_EUC_JP },
 759     { "ka",  RTL_TEXTENCODING_DONTKNOW },
 760     { "kk",  RTL_TEXTENCODING_ISO_8859_5 },
 761     { "ko",  RTL_TEXTENCODING_EUC_KR },
 762     { "lt",  RTL_TEXTENCODING_ISO_8859_4 },
 763     { "lv",  RTL_TEXTENCODING_ISO_8859_4 },
 764     { "mk",  RTL_TEXTENCODING_ISO_8859_5 },
 765     { "mr",  RTL_TEXTENCODING_DONTKNOW },
 766     { "ms",  RTL_TEXTENCODING_ISO_8859_1 },
 767     { "nl",  RTL_TEXTENCODING_ISO_8859_1 },
 768     { "no",  RTL_TEXTENCODING_ISO_8859_1 },
 769     { "pl",  RTL_TEXTENCODING_ISO_8859_2 },
 770     { "pt",  RTL_TEXTENCODING_ISO_8859_1 },
 771     { "ro",  RTL_TEXTENCODING_ISO_8859_2 },
 772     { "ru",  RTL_TEXTENCODING_ISO_8859_5 },
 773     { "sa",  RTL_TEXTENCODING_DONTKNOW },
 774     { "sk",  RTL_TEXTENCODING_ISO_8859_2 },
 775     { "sl",  RTL_TEXTENCODING_ISO_8859_2 },
 776     { "sq",  RTL_TEXTENCODING_ISO_8859_2 },
 777     { "sv",  RTL_TEXTENCODING_ISO_8859_1 },
 778     { "sw",  RTL_TEXTENCODING_ISO_8859_1 },
 779     { "ta",  RTL_TEXTENCODING_DONTKNOW },
 780     { "th",  RTL_TEXTENCODING_DONTKNOW },
 781     { "tr",  RTL_TEXTENCODING_ISO_8859_9 },
 782     { "tt",  RTL_TEXTENCODING_ISO_8859_5 },
 783     { "uk",  RTL_TEXTENCODING_ISO_8859_5 },
 784     { "ur",  RTL_TEXTENCODING_ISO_8859_6 },
 785     { "uz",  RTL_TEXTENCODING_ISO_8859_9 },
 786     { "vi",  RTL_TEXTENCODING_DONTKNOW },
 787     { "zh",  RTL_TEXTENCODING_BIG5 }
 788 };
 789
 790 /*****************************************************************************
 791  return the text encoding corresponding to the given locale
 792  *****************************************************************************/
 793
 794 rtl_TextEncoding osl_getTextEncodingFromLocale( rtl_Locale * pLocale )
 795 {
 796     const _pair *language = 0;
 797     char locale_buf[64] = "";
 798     char *cp;
 799
 800     /* default to process locale if pLocale == NULL */
 801     if( NULL == pLocale )
 802         osl_getProcessLocale( &pLocale );
 803
 804     /* convert rtl_Locale to locale string */
 805     if( _compose_locale( pLocale, locale_buf, 64 ) )
 806     {
 807         /* check special handling list (EUC) first */
 808         language = _pair_search( locale_buf, _full_locale_list, SAL_N_ELEMENTS( _full_locale_list ) );
 809
 810         if( NULL == language )
 811         {
 812             /*
 813              *  check if there is a charset qualifier at the end of the given locale string
 814              *  e.g. de.ISO8859-15 or de.ISO8859-15@euro which strongly indicates what
 815              *  charset to use
 816              */
 817             cp = strrchr( locale_buf, '.' );
 818
 819             if( NULL != cp )
 820             {
 821                 language = _pair_search( cp + 1, _locale_extension_list, SAL_N_ELEMENTS( _locale_extension_list ) );
 822             }
 823         }
 824
 825         /* use iso language code to determine the charset */
 826         if( NULL == language )
 827         {
 828             /* iso lang codes have 2 charaters */
 829             locale_buf[2] = '\0';
 830
 831             language = _pair_search( locale_buf, _iso_language_list, SAL_N_ELEMENTS( _iso_language_list ) );
 832         }
 833     }
 834
 835     /* a matching item in our list provides a mapping from codeset to
 836      * rtl-codeset */
 837     if ( language != NULL )
 838         return language->value;
 839
 840     return RTL_TEXTENCODING_DONTKNOW;
 841 }
 842
 843 #if defined(MACOSX) || defined(IOS)
 844 #include "system.h"
 845
 846 /* OS X locale discovery function */
 847 int (*pGetOSXLocale)( char *, sal_uInt32 );
 848
 849 /*****************************************************************************
 850  return the current process locale
 851  *****************************************************************************/
 852
 853 int macosx_getLocale(char *locale, sal_uInt32 bufferLen);
 854
 855 void _imp_getProcessLocale( rtl_Locale ** ppLocale )
 856 {
 857     static char *locale = NULL;
 858
 859     /* basic thread safeness */
 860 //    pthread_mutex_lock( &aLocalMutex );
 861
 862     /* Only fetch the locale once and cache it */
 863     if ( NULL == locale )
 864     {
 865
 866         locale = (char *)malloc( 128 );
 867         if ( locale )
 868             macosx_getLocale( locale, 128 );
 869         else
 870             fprintf( stderr, "nlsupport.c:  locale allocation returned NULL!\n" );
 871     }
 872
 873     /* handle the case where OS specific method of finding locale fails */
 874     if ( NULL == locale )
 875     {
 876         /* simulate behavior of setlocale */
 877         locale = getenv( "LC_ALL" );
 878
 879         if( NULL == locale )
 880             locale = getenv( "LC_CTYPE" );
 881
 882         if( NULL == locale )
 883             locale = getenv( "LANG" );
 884
 885         if( NULL == locale )
 886             locale = "C";
 887     }
 888
 889     /* return the locale */
 890     *ppLocale = _parse_locale( locale );
 891
 892     setenv( "LC_ALL", locale, 1);
 893     setenv("LC_CTYPE", locale, 1 );
 894     setenv("LANG", locale, 1 );
 895
 896 #if OSL_DEBUG_LEVEL > 1
 897     OSL_TRACE("_imp_getProcessLocale() returning %s as current locale.", locale );
 898 #endif
 899
 900 //    pthread_mutex_unlock( &aLocalMutex );
 901
 902 }
 903 #else
 904 /*****************************************************************************
 905  return the current process locale
 906  *****************************************************************************/
 907
 908 void _imp_getProcessLocale( rtl_Locale ** ppLocale )
 909 {
 910 #ifdef ANDROID
 911     /* No locale environment variables on Android, so why even bother
 912      * with getenv().
 913      */
 914    char * locale = "en-US.UTF-8";
 915 #else
 916     /* simulate behavior off setlocale */
 917     char * locale = getenv( "LC_ALL" );
 918
 919     if( NULL == locale )
 920         locale = getenv( "LC_CTYPE" );
 921
 922     if( NULL == locale )
 923         locale = getenv( "LANG" );
 924
 925     if( NULL == locale )
 926         locale = "C";
 927
 928 #endif
 929     *ppLocale = _parse_locale( locale );
 930 }
 931 #endif
 932
 933 /*****************************************************************************
 934  set the current process locale
 935  *****************************************************************************/
 936
 937 static int
 938 _setenv (const char* name, const char* value)
 939 {
 940     return setenv (name, value, 1);
 941 }
 942
 943 int _imp_setProcessLocale( rtl_Locale * pLocale )
 944 {
 945     char locale_buf[64];
 946
 947     /* convert rtl_Locale to locale string */
 948     if( NULL != _compose_locale( pLocale, locale_buf, 64 ) )
 949     {
 950         /* only change env vars that exist already */
 951         if( getenv( "LC_ALL" ) )
 952             _setenv( "LC_ALL", locale_buf );
 953
 954         if( getenv( "LC_CTYPE" ) )
 955             _setenv("LC_CTYPE", locale_buf );
 956
 957         if( getenv( "LANG" ) )
 958             _setenv( "LANG", locale_buf );
 959     }
 960
 961     return 0;
 962 }
 963
 964 #endif /* ifdef LINUX || SOLARIS || MACOSX || NETBSD || AIX */
 965
 966
 967 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */