/** * @file llfindlocale.cpp * @brief Detect system language setting * * $LicenseInfo:firstyear=2008&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ /* Yes, this was originally C code. */ #include "linden_common.h" #include <stdlib.h> #include <string.h> #include <ctype.h> #ifdef WIN32 #include "llwin32headers.h" #include <winnt.h> #endif #include "llfindlocale.h" static int is_lcchar(const int c) { return isalnum(c); } static void lang_country_variant_from_envstring(const char *str, char **lang, char **country, char **variant) { int end = 0; int start; /* get lang, if any */ start = end; while (is_lcchar(str[end])) { ++end; } if (start != end) { int i; int len = end - start; char *s = (char*)malloc(len + 1); for (i=0; i<len; ++i) { s[i] = tolower(str[start + i]); } s[i] = '\0'; *lang = s; } else { *lang = NULL; } if (str[end] && str[end]!=':') { /* not at end of str */ ++end; } /* get country, if any */ start = end; while (is_lcchar(str[end])) { ++end; } if (start != end) { int i; int len = end - start; char *s = (char*)malloc(len + 1); for (i=0; i<len; ++i) { s[i] = toupper(str[start + i]); } s[i] = '\0'; *country = s; } else { *country = NULL; } if (str[end] && str[end]!=':') { /* not at end of str */ ++end; } /* get variant, if any */ start = end; while (str[end] && str[end]!=':') { ++end; } if (start != end) { int i; int len = end - start; char *s = (char*)malloc(len + 1); for (i=0; i<len; ++i) { s[i] = str[start + i]; } s[i] = '\0'; *variant = s; } else { *variant = NULL; } } static int accumulate_locstring(const char *str, FL_Locale *l) { char *lang = NULL; char *country = NULL; char *variant = NULL; if (str) { lang_country_variant_from_envstring(str, &lang, &country, &variant); if (lang) { l->lang = lang; l->country = country; l->variant = variant; return 1; } } free(lang); free(country); free(variant); return 0; } static int accumulate_env(const char *name, FL_Locale *l) { char *env; char *lang = NULL; char *country = NULL; char *variant = NULL; env = getenv(name); if (env) { return accumulate_locstring(env, l); } free(lang); free(country); free(variant); return 0; } static void canonise_fl(FL_Locale *l) { /* this function fixes some common locale-specifying mistakes */ /* en_UK -> en_GB */ if (l->lang && 0 == strcmp(l->lang, "en")) { if (l->country && 0 == strcmp(l->country, "UK")) { free((void*)l->country); l->country = strdup("GB"); } } /* ja_JA -> ja_JP */ if (l->lang && 0 == strcmp(l->lang, "ja")) { if (l->country && 0 == strcmp(l->country, "JA")) { free((void*)l->country); l->country = strdup("JP"); } } } #ifdef WIN32 #include <stdio.h> #define ML(pn,sn) MAKELANGID(LANG_##pn, SUBLANG_##pn##_##sn) #define MLN(pn) MAKELANGID(LANG_##pn, SUBLANG_DEFAULT) #define RML(pn,sn) MAKELANGID(LANG_##pn, SUBLANG_##sn) struct IDToCode { LANGID id; char* code; }; static const IDToCode both_to_code[] = { {ML(ENGLISH,US), "en_US.ISO_8859-1"}, {ML(ENGLISH,CAN), "en_CA"}, /* english / canadian */ {ML(ENGLISH,UK), "en_GB"}, {ML(ENGLISH,EIRE), "en_IE"}, {ML(ENGLISH,AUS), "en_AU"}, {MLN(GERMAN), "de_DE"}, {MLN(SPANISH), "es_ES"}, {ML(SPANISH,MEXICAN), "es_MX"}, {MLN(FRENCH), "fr_FR"}, {ML(FRENCH,CANADIAN), "fr_CA"}, {ML(FRENCH,BELGIAN), "fr_BE"}, /* ? */ {ML(DUTCH,BELGIAN), "nl_BE"}, /* ? */ {ML(PORTUGUESE,BRAZILIAN), "pt_BR"}, {MLN(PORTUGUESE), "pt_PT"}, {MLN(SWEDISH), "sv_SE"}, {ML(CHINESE,HONGKONG), "zh_HK"}, /* these are machine-generated and not yet verified */ {RML(AFRIKAANS,DEFAULT), "af_ZA"}, {RML(ALBANIAN,DEFAULT), "sq_AL"}, {RML(ARABIC,ARABIC_ALGERIA), "ar_DZ"}, {RML(ARABIC,ARABIC_BAHRAIN), "ar_BH"}, {RML(ARABIC,ARABIC_EGYPT), "ar_EG"}, {RML(ARABIC,ARABIC_IRAQ), "ar_IQ"}, {RML(ARABIC,ARABIC_JORDAN), "ar_JO"}, {RML(ARABIC,ARABIC_KUWAIT), "ar_KW"}, {RML(ARABIC,ARABIC_LEBANON), "ar_LB"}, {RML(ARABIC,ARABIC_LIBYA), "ar_LY"}, {RML(ARABIC,ARABIC_MOROCCO), "ar_MA"}, {RML(ARABIC,ARABIC_OMAN), "ar_OM"}, {RML(ARABIC,ARABIC_QATAR), "ar_QA"}, {RML(ARABIC,ARABIC_SAUDI_ARABIA), "ar_SA"}, {RML(ARABIC,ARABIC_SYRIA), "ar_SY"}, {RML(ARABIC,ARABIC_TUNISIA), "ar_TN"}, {RML(ARABIC,ARABIC_UAE), "ar_AE"}, {RML(ARABIC,ARABIC_YEMEN), "ar_YE"}, {RML(ARMENIAN,DEFAULT), "hy_AM"}, {RML(AZERI,AZERI_CYRILLIC), "az_AZ"}, {RML(AZERI,AZERI_LATIN), "az_AZ"}, {RML(BASQUE,DEFAULT), "eu_ES"}, {RML(BELARUSIAN,DEFAULT), "be_BY"}, /*{RML(BRETON,DEFAULT), "br_FR"},*/ {RML(BULGARIAN,DEFAULT), "bg_BG"}, {RML(CATALAN,DEFAULT), "ca_ES"}, {RML(CHINESE,CHINESE_HONGKONG), "zh_HK"}, {RML(CHINESE,CHINESE_MACAU), "zh_MO"}, {RML(CHINESE,CHINESE_SIMPLIFIED), "zh_CN"}, {RML(CHINESE,CHINESE_SINGAPORE), "zh_SG"}, {RML(CHINESE,CHINESE_TRADITIONAL), "zh_TW"}, /*{RML(CORNISH,DEFAULT), "kw_GB"},*/ {RML(CZECH,DEFAULT), "cs_CZ"}, {RML(DANISH,DEFAULT), "da_DK"}, {RML(DUTCH,DUTCH), "nl_NL"}, {RML(DUTCH,DUTCH_BELGIAN), "nl_BE"}, /*{RML(DUTCH,DUTCH_SURINAM), "nl_SR"},*/ {RML(ENGLISH,ENGLISH_AUS), "en_AU"}, {RML(ENGLISH,ENGLISH_BELIZE), "en_BZ"}, {RML(ENGLISH,ENGLISH_CAN), "en_CA"}, {RML(ENGLISH,ENGLISH_CARIBBEAN), "en_CB"}, {RML(ENGLISH,ENGLISH_EIRE), "en_IE"}, {RML(ENGLISH,ENGLISH_JAMAICA), "en_JM"}, {RML(ENGLISH,ENGLISH_NZ), "en_NZ"}, {RML(ENGLISH,ENGLISH_PHILIPPINES), "en_PH"}, {RML(ENGLISH,ENGLISH_SOUTH_AFRICA), "en_ZA"}, {RML(ENGLISH,ENGLISH_TRINIDAD), "en_TT"}, {RML(ENGLISH,ENGLISH_UK), "en_GB"}, {RML(ENGLISH,ENGLISH_US), "en_US"}, {RML(ENGLISH,ENGLISH_ZIMBABWE), "en_ZW"}, /*{RML(ESPERANTO,DEFAULT), "eo_"},*/ {RML(ESTONIAN,DEFAULT), "et_EE"}, {RML(FAEROESE,DEFAULT), "fo_FO"}, {RML(FARSI,DEFAULT), "fa_IR"}, {RML(FINNISH,DEFAULT), "fi_FI"}, {RML(FRENCH,FRENCH), "fr_FR"}, {RML(FRENCH,FRENCH_BELGIAN), "fr_BE"}, {RML(FRENCH,FRENCH_CANADIAN), "fr_CA"}, {RML(FRENCH,FRENCH_LUXEMBOURG), "fr_LU"}, {RML(FRENCH,FRENCH_MONACO), "fr_MC"}, {RML(FRENCH,FRENCH_SWISS), "fr_CH"}, /*{RML(GAELIC,GAELIC), "ga_IE"},*/ /*{RML(GAELIC,GAELIC_MANX), "gv_GB"},*/ /*{RML(GAELIC,GAELIC_SCOTTISH), "gd_GB"},*/ /*{RML(GALICIAN,DEFAULT), "gl_ES"},*/ {RML(GEORGIAN,DEFAULT), "ka_GE"}, {RML(GERMAN,GERMAN), "de_DE"}, {RML(GERMAN,GERMAN_AUSTRIAN), "de_AT"}, {RML(GERMAN,GERMAN_LIECHTENSTEIN), "de_LI"}, {RML(GERMAN,GERMAN_LUXEMBOURG), "de_LU"}, {RML(GERMAN,GERMAN_SWISS), "de_CH"}, {RML(GREEK,DEFAULT), "el_GR"}, {RML(GUJARATI,DEFAULT), "gu_IN"}, {RML(HEBREW,DEFAULT), "he_IL"}, {RML(HINDI,DEFAULT), "hi_IN"}, {RML(HUNGARIAN,DEFAULT), "hu_HU"}, {RML(ICELANDIC,DEFAULT), "is_IS"}, {RML(INDONESIAN,DEFAULT), "id_ID"}, {RML(ITALIAN,ITALIAN), "it_IT"}, {RML(ITALIAN,ITALIAN_SWISS), "it_CH"}, {RML(JAPANESE,DEFAULT), "ja_JP"}, {RML(KANNADA,DEFAULT), "kn_IN"}, {RML(KAZAK,DEFAULT), "kk_KZ"}, {RML(KONKANI,DEFAULT), "kok_IN"}, {RML(KOREAN,KOREAN), "ko_KR"}, /*{RML(KYRGYZ,DEFAULT), "ky_KG"},*/ {RML(LATVIAN,DEFAULT), "lv_LV"}, {RML(LITHUANIAN,LITHUANIAN), "lt_LT"}, {RML(MACEDONIAN,DEFAULT), "mk_MK"}, {RML(MALAY,MALAY_BRUNEI_DARUSSALAM), "ms_BN"}, {RML(MALAY,MALAY_MALAYSIA), "ms_MY"}, {RML(MARATHI,DEFAULT), "mr_IN"}, /*{RML(MONGOLIAN,DEFAULT), "mn_MN"},*/ {RML(NORWEGIAN,NORWEGIAN_BOKMAL), "nb_NO"}, {RML(NORWEGIAN,NORWEGIAN_NYNORSK), "nn_NO"}, {RML(POLISH,DEFAULT), "pl_PL"}, {RML(PORTUGUESE,PORTUGUESE), "pt_PT"}, {RML(PORTUGUESE,PORTUGUESE_BRAZILIAN), "pt_BR"}, {RML(PUNJABI,DEFAULT), "pa_IN"}, {RML(ROMANIAN,DEFAULT), "ro_RO"}, {RML(RUSSIAN,DEFAULT), "ru_RU"}, {RML(SANSKRIT,DEFAULT), "sa_IN"}, {RML(SERBIAN,DEFAULT), "hr_HR"}, {RML(SERBIAN,SERBIAN_CYRILLIC), "sr_SP"}, {RML(SERBIAN,SERBIAN_LATIN), "sr_SP"}, {RML(SLOVAK,DEFAULT), "sk_SK"}, {RML(SLOVENIAN,DEFAULT), "sl_SI"}, {RML(SPANISH,SPANISH), "es_ES"}, {RML(SPANISH,SPANISH_ARGENTINA), "es_AR"}, {RML(SPANISH,SPANISH_BOLIVIA), "es_BO"}, {RML(SPANISH,SPANISH_CHILE), "es_CL"}, {RML(SPANISH,SPANISH_COLOMBIA), "es_CO"}, {RML(SPANISH,SPANISH_COSTA_RICA), "es_CR"}, {RML(SPANISH,SPANISH_DOMINICAN_REPUBLIC), "es_DO"}, {RML(SPANISH,SPANISH_ECUADOR), "es_EC"}, {RML(SPANISH,SPANISH_EL_SALVADOR), "es_SV"}, {RML(SPANISH,SPANISH_GUATEMALA), "es_GT"}, {RML(SPANISH,SPANISH_HONDURAS), "es_HN"}, {RML(SPANISH,SPANISH_MEXICAN), "es_MX"}, {RML(SPANISH,SPANISH_MODERN), "es_ES"}, {RML(SPANISH,SPANISH_NICARAGUA), "es_NI"}, {RML(SPANISH,SPANISH_PANAMA), "es_PA"}, {RML(SPANISH,SPANISH_PARAGUAY), "es_PY"}, {RML(SPANISH,SPANISH_PERU), "es_PE"}, {RML(SPANISH,SPANISH_PUERTO_RICO), "es_PR"}, {RML(SPANISH,SPANISH_URUGUAY), "es_UY"}, {RML(SPANISH,SPANISH_VENEZUELA), "es_VE"}, {RML(SWAHILI,DEFAULT), "sw_KE"}, {RML(SWEDISH,SWEDISH), "sv_SE"}, {RML(SWEDISH,SWEDISH_FINLAND), "sv_FI"}, /*{RML(SYRIAC,DEFAULT), "syr_SY"},*/ {RML(TAMIL,DEFAULT), "ta_IN"}, {RML(TATAR,DEFAULT), "tt_TA"}, {RML(TELUGU,DEFAULT), "te_IN"}, {RML(THAI,DEFAULT), "th_TH"}, {RML(TURKISH,DEFAULT), "tr_TR"}, {RML(UKRAINIAN,DEFAULT), "uk_UA"}, {RML(URDU,URDU_PAKISTAN), "ur_PK"}, {RML(UZBEK,UZBEK_CYRILLIC), "uz_UZ"}, {RML(UZBEK,UZBEK_LATIN), "uz_UZ"}, {RML(VIETNAMESE,DEFAULT), "vi_VN"}, /*{RML(WALON,DEFAULT), "wa_BE"},*/ /*{RML(WELSH,DEFAULT), "cy_GB"},*/ }; static const IDToCode primary_to_code[] = { {LANG_AFRIKAANS, "af"}, {LANG_ARABIC, "ar"}, {LANG_AZERI, "az"}, {LANG_BULGARIAN, "bg"}, /*{LANG_BRETON, "br"},*/ {LANG_BELARUSIAN, "by"}, {LANG_CATALAN, "ca"}, {LANG_CZECH, "cs"}, /*{LANG_WELSH, "cy"},*/ {LANG_DANISH, "da"}, {LANG_GERMAN, "de"}, {LANG_GREEK, "el"}, {LANG_ENGLISH, "en"}, /*{LANG_ESPERANTO, "eo"},*/ {LANG_SPANISH, "es"}, {LANG_ESTONIAN, "et"}, {LANG_BASQUE, "eu"}, {LANG_FARSI, "fa"}, {LANG_FINNISH, "fi"}, {LANG_FAEROESE, "fo"}, {LANG_FRENCH, "fr"}, /*{LANG_GAELIC, "ga"},*/ /*{LANG_GALICIAN, "gl"},*/ {LANG_GUJARATI, "gu"}, {LANG_HEBREW, "he"}, {LANG_HINDI, "hi"}, {LANG_SERBIAN, "hr"}, {LANG_HUNGARIAN, "hu"}, {LANG_ARMENIAN, "hy"}, {LANG_INDONESIAN, "id"}, {LANG_ITALIAN, "it"}, {LANG_JAPANESE, "ja"}, {LANG_GEORGIAN, "ka"}, {LANG_KAZAK, "kk"}, {LANG_KANNADA, "kn"}, {LANG_KOREAN, "ko"}, /*{LANG_KYRGYZ, "ky"},*/ {LANG_LITHUANIAN, "lt"}, {LANG_LATVIAN, "lv"}, {LANG_MACEDONIAN, "mk"}, /*{LANG_MONGOLIAN, "mn"},*/ {LANG_MARATHI, "mr"}, {LANG_MALAY, "ms"}, {LANG_NORWEGIAN, "nb"}, {LANG_DUTCH, "nl"}, {LANG_NORWEGIAN, "nn"}, {LANG_NORWEGIAN, "no"},/* unofficial? */ {LANG_PUNJABI, "pa"}, {LANG_POLISH, "pl"}, {LANG_PORTUGUESE, "pt"}, {LANG_ROMANIAN, "ro"}, {LANG_RUSSIAN, "ru"}, {LANG_SLOVAK, "sk"}, {LANG_SLOVENIAN, "sl"}, {LANG_ALBANIAN, "sq"}, {LANG_SERBIAN, "sr"}, {LANG_SWEDISH, "sv"}, {LANG_SWAHILI, "sw"}, {LANG_TAMIL, "ta"}, {LANG_THAI, "th"}, {LANG_TURKISH, "tr"}, {LANG_TATAR, "tt"}, {LANG_UKRAINIAN, "uk"}, {LANG_URDU, "ur"}, {LANG_UZBEK, "uz"}, {LANG_VIETNAMESE, "vi"}, /*{LANG_WALON, "wa"},*/ {LANG_CHINESE, "zh"}, }; static int num_primary_to_code = LL_ARRAY_SIZE(primary_to_code); static int num_both_to_code = LL_ARRAY_SIZE(both_to_code); static const int lcid_to_fl(LCID lcid, FL_Locale *rtn) { LANGID langid = LANGIDFROMLCID(lcid); LANGID primary_lang = PRIMARYLANGID(langid); /*LANGID sub_lang = SUBLANGID(langid);*/ int i; /* try to find an exact primary/sublanguage combo that we know about */ for (i=0; i<num_both_to_code; ++i) { if (both_to_code[i].id == langid) { accumulate_locstring(both_to_code[i].code, rtn); return 1; } } /* fallback to just checking the primary language id */ for (i=0; i<num_primary_to_code; ++i) { if (primary_to_code[i].id == primary_lang) { accumulate_locstring(primary_to_code[i].code, rtn); return 1; } } return 0; } #endif FL_Success FL_FindLocale(FL_Locale **locale, FL_Domain domain) { FL_Success success = FL_FAILED; FL_Locale *rtn = (FL_Locale*)malloc(sizeof(FL_Locale)); rtn->lang = NULL; rtn->country = NULL; rtn->variant = NULL; #ifdef WIN32 /* win32 >= mswindows95 */ { LCID lcid = GetThreadLocale(); if (lcid_to_fl(lcid, rtn)) { success = FL_CONFIDENT; } if (success == FL_FAILED) { /* assume US English on mswindows systems unless we know otherwise */ if (accumulate_locstring("en_US.ISO_8859-1", rtn)) { success = FL_DEFAULT_GUESS; } } } #else /* assume unixoid */ { /* examples: */ /* sv_SE.ISO_8859-1 */ /* fr_FR.ISO8859-1 */ /* no_NO_NB */ /* no_NO_NY */ /* no_NO */ /* de_DE */ /* try the various vars in decreasing order of authority */ if (accumulate_env("LC_ALL", rtn) || accumulate_env("LC_MESSAGES", rtn) || accumulate_env("LANG", rtn) || accumulate_env("LANGUAGE", rtn)) { success = FL_CONFIDENT; } if (success == FL_FAILED) { /* assume US English on unixoid systems unless we know otherwise */ if (accumulate_locstring("en_US.ISO_8859-1", rtn)) { success = FL_DEFAULT_GUESS; } } } #endif if (success != FL_FAILED) { canonise_fl(rtn); } *locale = rtn; return success; } void FL_FreeLocale(FL_Locale **locale) { if (locale) { FL_Locale *l = *locale; if (l) { if (l->lang) { free((void*)l->lang); } if (l->country) { free((void*)l->country); } if (l->variant) { free((void*)l->variant); } free(l); *locale = NULL; } } }