// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ********************************************************************** * Copyright (C) 1997-2016, International Business Machines * Corporation and others. All Rights Reserved. ********************************************************************** * * File ULOC.CPP * * Modification History: * * Date Name Description * 04/01/97 aliu Creation. * 08/21/98 stephen JDK 1.2 sync * 12/08/98 rtg New Locale implementation and C API * 03/15/99 damiba overhaul. * 04/06/99 stephen changed setDefault() to realloc and copy * 06/14/99 stephen Changed calls to ures_open for new params * 07/21/99 stephen Modified setDefault() to propagate to C++ * 05/14/04 alan 7 years later: refactored, cleaned up, fixed bugs, * brought canonicalization code into line with spec *****************************************************************************/ /* POSIX's locale format, from putil.c: [no spaces] ll [ _CC ] [ . MM ] [ @ VV] l = lang, C = ctry, M = charmap, V = variant */ #include "unicode/bytestream.h" #include "unicode/errorcode.h" #include "unicode/stringpiece.h" #include "unicode/utypes.h" #include "unicode/ustring.h" #include "unicode/uloc.h" #include "bytesinkutil.h" #include "putilimp.h" #include "ustr_imp.h" #include "ulocimp.h" #include "umutex.h" #include "cstring.h" #include "cmemory.h" #include "locmap.h" #include "uarrsort.h" #include "uenumimp.h" #include "uassert.h" #include "charstr.h" U_NAMESPACE_USE /* ### Declarations **************************************************/ /* Locale stuff from locid.cpp */ U_CFUNC void locale_set_default(const char *id); U_CFUNC const char *locale_get_default(); /* ### Data tables **************************************************/ /** * Table of language codes, both 2- and 3-letter, with preference * given to 2-letter codes where possible. Includes 3-letter codes * that lack a 2-letter equivalent. * * This list must be in sorted order. This list is returned directly * to the user by some API. * * This list must be kept in sync with LANGUAGES_3, with corresponding * entries matched. * * This table should be terminated with a nullptr entry, followed by a * second list, and another nullptr entry. The first list is visible to * user code when this array is returned by API. The second list * contains codes we support, but do not expose through user API. * * Notes * * Tables updated per http://lcweb.loc.gov/standards/iso639-2/ to * include the revisions up to 2001/7/27 *CWB* * * The 3 character codes are the terminology codes like RFC 3066. This * is compatible with prior ICU codes * * "in" "iw" "ji" "jw" & "sh" have been withdrawn but are still in the * table but now at the end of the table because 3 character codes are * duplicates. This avoids bad searches going from 3 to 2 character * codes. * * The range qaa-qtz is reserved for local use */ /* Generated using org.unicode.cldr.icu.GenerateISO639LanguageTables */ /* ISO639 table version is 20150505 */ /* Subsequent hand addition of selected languages */ static const char * const LANGUAGES[] = { "aa", "ab", "ace", "ach", "ada", "ady", "ae", "aeb", "af", "afh", "agq", "ain", "ak", "akk", "akz", "ale", "aln", "alt", "am", "an", "ang", "anp", "ar", "arc", "arn", "aro", "arp", "arq", "ars", "arw", "ary", "arz", "as", "asa", "ase", "ast", "av", "avk", "awa", "ay", "az", "ba", "bal", "ban", "bar", "bas", "bax", "bbc", "bbj", "be", "bej", "bem", "bew", "bez", "bfd", "bfq", "bg", "bgc", "bgn", "bho", "bi", "bik", "bin", "bjn", "bkm", "bla", "bm", "bn", "bo", "bpy", "bqi", "br", "bra", "brh", "brx", "bs", "bss", "bua", "bug", "bum", "byn", "byv", "ca", "cad", "car", "cay", "cch", "ccp", "ce", "ceb", "cgg", "ch", "chb", "chg", "chk", "chm", "chn", "cho", "chp", "chr", "chy", "ckb", "co", "cop", "cps", "cr", "crh", "cs", "csb", "cu", "cv", "cy", "da", "dak", "dar", "dav", "de", "del", "den", "dgr", "din", "dje", "doi", "dsb", "dtp", "dua", "dum", "dv", "dyo", "dyu", "dz", "dzg", "ebu", "ee", "efi", "egl", "egy", "eka", "el", "elx", "en", "enm", "eo", "es", "esu", "et", "eu", "ewo", "ext", "fa", "fan", "fat", "ff", "fi", "fil", "fit", "fj", "fo", "fon", "fr", "frc", "frm", "fro", "frp", "frr", "frs", "fur", "fy", "ga", "gaa", "gag", "gan", "gay", "gba", "gbz", "gd", "gez", "gil", "gl", "glk", "gmh", "gn", "goh", "gom", "gon", "gor", "got", "grb", "grc", "gsw", "gu", "guc", "gur", "guz", "gv", "gwi", "ha", "hai", "hak", "haw", "he", "hi", "hif", "hil", "hit", "hmn", "ho", "hr", "hsb", "hsn", "ht", "hu", "hup", "hy", "hz", "ia", "iba", "ibb", "id", "ie", "ig", "ii", "ik", "ilo", "inh", "io", "is", "it", "iu", "izh", "ja", "jam", "jbo", "jgo", "jmc", "jpr", "jrb", "jut", "jv", "ka", "kaa", "kab", "kac", "kaj", "kam", "kaw", "kbd", "kbl", "kcg", "kde", "kea", "ken", "kfo", "kg", "kgp", "kha", "kho", "khq", "khw", "ki", "kiu", "kj", "kk", "kkj", "kl", "kln", "km", "kmb", "kn", "ko", "koi", "kok", "kos", "kpe", "kr", "krc", "kri", "krj", "krl", "kru", "ks", "ksb", "ksf", "ksh", "ku", "kum", "kut", "kv", "kw", "ky", "la", "lad", "lag", "lah", "lam", "lb", "lez", "lfn", "lg", "li", "lij", "liv", "lkt", "lmo", "ln", "lo", "lol", "loz", "lrc", "lt", "ltg", "lu", "lua", "lui", "lun", "luo", "lus", "luy", "lv", "lzh", "lzz", "mad", "maf", "mag", "mai", "mak", "man", "mas", "mde", "mdf", "mdh", "mdr", "men", "mer", "mfe", "mg", "mga", "mgh", "mgo", "mh", "mi", "mic", "min", "mis", "mk", "ml", "mn", "mnc", "mni", "moh", "mos", "mr", "mrj", "ms", "mt", "mua", "mul", "mus", "mwl", "mwr", "mwv", "my", "mye", "myv", "mzn", "na", "nan", "nap", "naq", "nb", "nd", "nds", "ne", "new", "ng", "nia", "niu", "njo", "nl", "nmg", "nn", "nnh", "no", "nog", "non", "nov", "nqo", "nr", "nso", "nus", "nv", "nwc", "ny", "nym", "nyn", "nyo", "nzi", "oc", "oj", "om", "or", "os", "osa", "ota", "pa", "pag", "pal", "pam", "pap", "pau", "pcd", "pcm", "pdc", "pdt", "peo", "pfl", "phn", "pi", "pl", "pms", "pnt", "pon", "prg", "pro", "ps", "pt", "qu", "quc", "qug", "raj", "rap", "rar", "rgn", "rif", "rm", "rn", "ro", "rof", "rom", "rtm", "ru", "rue", "rug", "rup", "rw", "rwk", "sa", "sad", "sah", "sam", "saq", "sas", "sat", "saz", "sba", "sbp", "sc", "scn", "sco", "sd", "sdc", "sdh", "se", "see", "seh", "sei", "sel", "ses", "sg", "sga", "sgs", "shi", "shn", "shu", "si", "sid", "sk", "sl", "sli", "sly", "sm", "sma", "smj", "smn", "sms", "sn", "snk", "so", "sog", "sq", "sr", "srn", "srr", "ss", "ssy", "st", "stq", "su", "suk", "sus", "sux", "sv", "sw", "swb", "syc", "syr", "szl", "ta", "tcy", "te", "tem", "teo", "ter", "tet", "tg", "th", "ti", "tig", "tiv", "tk", "tkl", "tkr", "tlh", "tli", "tly", "tmh", "tn", "to", "tog", "tpi", "tr", "tru", "trv", "ts", "tsd", "tsi", "tt", "ttt", "tum", "tvl", "tw", "twq", "ty", "tyv", "tzm", "udm", "ug", "uga", "uk", "umb", "und", "ur", "uz", "vai", "ve", "vec", "vep", "vi", "vls", "vmf", "vo", "vot", "vro", "vun", "wa", "wae", "wal", "war", "was", "wbp", "wo", "wuu", "xal", "xh", "xmf", "xog", "yao", "yap", "yav", "ybb", "yi", "yo", "yrl", "yue", "za", "zap", "zbl", "zea", "zen", "zgh", "zh", "zu", "zun", "zxx", "zza", nullptr, "in", "iw", "ji", "jw", "mo", "sh", "swc", "tl", /* obsolete language codes */ nullptr }; static const char* const DEPRECATED_LANGUAGES[]={ "in", "iw", "ji", "jw", "mo", nullptr, nullptr }; static const char* const REPLACEMENT_LANGUAGES[]={ "id", "he", "yi", "jv", "ro", nullptr, nullptr }; /** * Table of 3-letter language codes. * * This is a lookup table used to convert 3-letter language codes to * their 2-letter equivalent, where possible. It must be kept in sync * with LANGUAGES. For all valid i, LANGUAGES[i] must refer to the * same language as LANGUAGES_3[i]. The commented-out lines are * copied from LANGUAGES to make eyeballing this baby easier. * * Where a 3-letter language code has no 2-letter equivalent, the * 3-letter code occupies both LANGUAGES[i] and LANGUAGES_3[i]. * * This table should be terminated with a nullptr entry, followed by a * second list, and another nullptr entry. The two lists correspond to * the two lists in LANGUAGES. */ /* Generated using org.unicode.cldr.icu.GenerateISO639LanguageTables */ /* ISO639 table version is 20150505 */ /* Subsequent hand addition of selected languages */ static const char * const LANGUAGES_3[] = { "aar", "abk", "ace", "ach", "ada", "ady", "ave", "aeb", "afr", "afh", "agq", "ain", "aka", "akk", "akz", "ale", "aln", "alt", "amh", "arg", "ang", "anp", "ara", "arc", "arn", "aro", "arp", "arq", "ars", "arw", "ary", "arz", "asm", "asa", "ase", "ast", "ava", "avk", "awa", "aym", "aze", "bak", "bal", "ban", "bar", "bas", "bax", "bbc", "bbj", "bel", "bej", "bem", "bew", "bez", "bfd", "bfq", "bul", "bgc", "bgn", "bho", "bis", "bik", "bin", "bjn", "bkm", "bla", "bam", "ben", "bod", "bpy", "bqi", "bre", "bra", "brh", "brx", "bos", "bss", "bua", "bug", "bum", "byn", "byv", "cat", "cad", "car", "cay", "cch", "ccp", "che", "ceb", "cgg", "cha", "chb", "chg", "chk", "chm", "chn", "cho", "chp", "chr", "chy", "ckb", "cos", "cop", "cps", "cre", "crh", "ces", "csb", "chu", "chv", "cym", "dan", "dak", "dar", "dav", "deu", "del", "den", "dgr", "din", "dje", "doi", "dsb", "dtp", "dua", "dum", "div", "dyo", "dyu", "dzo", "dzg", "ebu", "ewe", "efi", "egl", "egy", "eka", "ell", "elx", "eng", "enm", "epo", "spa", "esu", "est", "eus", "ewo", "ext", "fas", "fan", "fat", "ful", "fin", "fil", "fit", "fij", "fao", "fon", "fra", "frc", "frm", "fro", "frp", "frr", "frs", "fur", "fry", "gle", "gaa", "gag", "gan", "gay", "gba", "gbz", "gla", "gez", "gil", "glg", "glk", "gmh", "grn", "goh", "gom", "gon", "gor", "got", "grb", "grc", "gsw", "guj", "guc", "gur", "guz", "glv", "gwi", "hau", "hai", "hak", "haw", "heb", "hin", "hif", "hil", "hit", "hmn", "hmo", "hrv", "hsb", "hsn", "hat", "hun", "hup", "hye", "her", "ina", "iba", "ibb", "ind", "ile", "ibo", "iii", "ipk", "ilo", "inh", "ido", "isl", "ita", "iku", "izh", "jpn", "jam", "jbo", "jgo", "jmc", "jpr", "jrb", "jut", "jav", "kat", "kaa", "kab", "kac", "kaj", "kam", "kaw", "kbd", "kbl", "kcg", "kde", "kea", "ken", "kfo", "kon", "kgp", "kha", "kho", "khq", "khw", "kik", "kiu", "kua", "kaz", "kkj", "kal", "kln", "khm", "kmb", "kan", "kor", "koi", "kok", "kos", "kpe", "kau", "krc", "kri", "krj", "krl", "kru", "kas", "ksb", "ksf", "ksh", "kur", "kum", "kut", "kom", "cor", "kir", "lat", "lad", "lag", "lah", "lam", "ltz", "lez", "lfn", "lug", "lim", "lij", "liv", "lkt", "lmo", "lin", "lao", "lol", "loz", "lrc", "lit", "ltg", "lub", "lua", "lui", "lun", "luo", "lus", "luy", "lav", "lzh", "lzz", "mad", "maf", "mag", "mai", "mak", "man", "mas", "mde", "mdf", "mdh", "mdr", "men", "mer", "mfe", "mlg", "mga", "mgh", "mgo", "mah", "mri", "mic", "min", "mis", "mkd", "mal", "mon", "mnc", "mni", "moh", "mos", "mar", "mrj", "msa", "mlt", "mua", "mul", "mus", "mwl", "mwr", "mwv", "mya", "mye", "myv", "mzn", "nau", "nan", "nap", "naq", "nob", "nde", "nds", "nep", "new", "ndo", "nia", "niu", "njo", "nld", "nmg", "nno", "nnh", "nor", "nog", "non", "nov", "nqo", "nbl", "nso", "nus", "nav", "nwc", "nya", "nym", "nyn", "nyo", "nzi", "oci", "oji", "orm", "ori", "oss", "osa", "ota", "pan", "pag", "pal", "pam", "pap", "pau", "pcd", "pcm", "pdc", "pdt", "peo", "pfl", "phn", "pli", "pol", "pms", "pnt", "pon", "prg", "pro", "pus", "por", "que", "quc", "qug", "raj", "rap", "rar", "rgn", "rif", "roh", "run", "ron", "rof", "rom", "rtm", "rus", "rue", "rug", "rup", "kin", "rwk", "san", "sad", "sah", "sam", "saq", "sas", "sat", "saz", "sba", "sbp", "srd", "scn", "sco", "snd", "sdc", "sdh", "sme", "see", "seh", "sei", "sel", "ses", "sag", "sga", "sgs", "shi", "shn", "shu", "sin", "sid", "slk", "slv", "sli", "sly", "smo", "sma", "smj", "smn", "sms", "sna", "snk", "som", "sog", "sqi", "srp", "srn", "srr", "ssw", "ssy", "sot", "stq", "sun", "suk", "sus", "sux", "swe", "swa", "swb", "syc", "syr", "szl", "tam", "tcy", "tel", "tem", "teo", "ter", "tet", "tgk", "tha", "tir", "tig", "tiv", "tuk", "tkl", "tkr", "tlh", "tli", "tly", "tmh", "tsn", "ton", "tog", "tpi", "tur", "tru", "trv", "tso", "tsd", "tsi", "tat", "ttt", "tum", "tvl", "twi", "twq", "tah", "tyv", "tzm", "udm", "uig", "uga", "ukr", "umb", "und", "urd", "uzb", "vai", "ven", "vec", "vep", "vie", "vls", "vmf", "vol", "vot", "vro", "vun", "wln", "wae", "wal", "war", "was", "wbp", "wol", "wuu", "xal", "xho", "xmf", "xog", "yao", "yap", "yav", "ybb", "yid", "yor", "yrl", "yue", "zha", "zap", "zbl", "zea", "zen", "zgh", "zho", "zul", "zun", "zxx", "zza", nullptr, /* "in", "iw", "ji", "jw", "mo", "sh", "swc", "tl", */ "ind", "heb", "yid", "jaw", "mol", "srp", "swc", "tgl", nullptr }; /** * Table of 2-letter country codes. * * This list must be in sorted order. This list is returned directly * to the user by some API. * * This list must be kept in sync with COUNTRIES_3, with corresponding * entries matched. * * This table should be terminated with a nullptr entry, followed by a * second list, and another nullptr entry. The first list is visible to * user code when this array is returned by API. The second list * contains codes we support, but do not expose through user API. * * Notes: * * ZR(ZAR) is now CD(COD) and FX(FXX) is PS(PSE) as per * http://www.evertype.com/standards/iso3166/iso3166-1-en.html added * new codes keeping the old ones for compatibility updated to include * 1999/12/03 revisions *CWB* * * RO(ROM) is now RO(ROU) according to * http://www.iso.org/iso/en/prods-services/iso3166ma/03updates-on-iso-3166/nlv3e-rou.html */ static const char * const COUNTRIES[] = { "AD", "AE", "AF", "AG", "AI", "AL", "AM", "AO", "AQ", "AR", "AS", "AT", "AU", "AW", "AX", "AZ", "BA", "BB", "BD", "BE", "BF", "BG", "BH", "BI", "BJ", "BL", "BM", "BN", "BO", "BQ", "BR", "BS", "BT", "BV", "BW", "BY", "BZ", "CA", "CC", "CD", "CF", "CG", "CH", "CI", "CK", "CL", "CM", "CN", "CO", "CQ", "CR", "CU", "CV", "CW", "CX", "CY", "CZ", "DE", "DG", "DJ", "DK", "DM", "DO", "DZ", "EA", "EC", "EE", "EG", "EH", "ER", "ES", "ET", "FI", "FJ", "FK", "FM", "FO", "FR", "GA", "GB", "GD", "GE", "GF", "GG", "GH", "GI", "GL", "GM", "GN", "GP", "GQ", "GR", "GS", "GT", "GU", "GW", "GY", "HK", "HM", "HN", "HR", "HT", "HU", "IC", "ID", "IE", "IL", "IM", "IN", "IO", "IQ", "IR", "IS", "IT", "JE", "JM", "JO", "JP", "KE", "KG", "KH", "KI", "KM", "KN", "KP", "KR", "KW", "KY", "KZ", "LA", "LB", "LC", "LI", "LK", "LR", "LS", "LT", "LU", "LV", "LY", "MA", "MC", "MD", "ME", "MF", "MG", "MH", "MK", "ML", "MM", "MN", "MO", "MP", "MQ", "MR", "MS", "MT", "MU", "MV", "MW", "MX", "MY", "MZ", "NA", "NC", "NE", "NF", "NG", "NI", "NL", "NO", "NP", "NR", "NU", "NZ", "OM", "PA", "PE", "PF", "PG", "PH", "PK", "PL", "PM", "PN", "PR", "PS", "PT", "PW", "PY", "QA", "RE", "RO", "RS", "RU", "RW", "SA", "SB", "SC", "SD", "SE", "SG", "SH", "SI", "SJ", "SK", "SL", "SM", "SN", "SO", "SR", "SS", "ST", "SV", "SX", "SY", "SZ", "TC", "TD", "TF", "TG", "TH", "TJ", "TK", "TL", "TM", "TN", "TO", "TR", "TT", "TV", "TW", "TZ", "UA", "UG", "UM", "US", "UY", "UZ", "VA", "VC", "VE", "VG", "VI", "VN", "VU", "WF", "WS", "XK", "YE", "YT", "ZA", "ZM", "ZW", nullptr, "AN", "BU", "CS", "FX", "RO", "SU", "TP", "YD", "YU", "ZR", /* obsolete country codes */ nullptr }; static const char* const DEPRECATED_COUNTRIES[] = { "AN", "BU", "CS", "DD", "DY", "FX", "HV", "NH", "RH", "SU", "TP", "UK", "VD", "YD", "YU", "ZR", nullptr, nullptr /* deprecated country list */ }; static const char* const REPLACEMENT_COUNTRIES[] = { /* "AN", "BU", "CS", "DD", "DY", "FX", "HV", "NH", "RH", "SU", "TP", "UK", "VD", "YD", "YU", "ZR" */ "CW", "MM", "RS", "DE", "BJ", "FR", "BF", "VU", "ZW", "RU", "TL", "GB", "VN", "YE", "RS", "CD", nullptr, nullptr /* replacement country codes */ }; /** * Table of 3-letter country codes. * * This is a lookup table used to convert 3-letter country codes to * their 2-letter equivalent. It must be kept in sync with COUNTRIES. * For all valid i, COUNTRIES[i] must refer to the same country as * COUNTRIES_3[i]. The commented-out lines are copied from COUNTRIES * to make eyeballing this baby easier. * * This table should be terminated with a nullptr entry, followed by a * second list, and another nullptr entry. The two lists correspond to * the two lists in COUNTRIES. */ static const char * const COUNTRIES_3[] = { /* "AD", "AE", "AF", "AG", "AI", "AL", "AM", */ "AND", "ARE", "AFG", "ATG", "AIA", "ALB", "ARM", /* "AO", "AQ", "AR", "AS", "AT", "AU", "AW", "AX", "AZ", */ "AGO", "ATA", "ARG", "ASM", "AUT", "AUS", "ABW", "ALA", "AZE", /* "BA", "BB", "BD", "BE", "BF", "BG", "BH", "BI", */ "BIH", "BRB", "BGD", "BEL", "BFA", "BGR", "BHR", "BDI", /* "BJ", "BL", "BM", "BN", "BO", "BQ", "BR", "BS", "BT", "BV", */ "BEN", "BLM", "BMU", "BRN", "BOL", "BES", "BRA", "BHS", "BTN", "BVT", /* "BW", "BY", "BZ", "CA", "CC", "CD", "CF", "CG", */ "BWA", "BLR", "BLZ", "CAN", "CCK", "COD", "CAF", "COG", /* "CH", "CI", "CK", "CL", "CM", "CN", "CO", "CQ", "CR", */ "CHE", "CIV", "COK", "CHL", "CMR", "CHN", "COL", "CRQ", "CRI", /* "CU", "CV", "CW", "CX", "CY", "CZ", "DE", "DG", "DJ", "DK", */ "CUB", "CPV", "CUW", "CXR", "CYP", "CZE", "DEU", "DGA", "DJI", "DNK", /* "DM", "DO", "DZ", "EA", "EC", "EE", "EG", "EH", "ER", */ "DMA", "DOM", "DZA", "XEA", "ECU", "EST", "EGY", "ESH", "ERI", /* "ES", "ET", "FI", "FJ", "FK", "FM", "FO", "FR", */ "ESP", "ETH", "FIN", "FJI", "FLK", "FSM", "FRO", "FRA", /* "GA", "GB", "GD", "GE", "GF", "GG", "GH", "GI", "GL", */ "GAB", "GBR", "GRD", "GEO", "GUF", "GGY", "GHA", "GIB", "GRL", /* "GM", "GN", "GP", "GQ", "GR", "GS", "GT", "GU", */ "GMB", "GIN", "GLP", "GNQ", "GRC", "SGS", "GTM", "GUM", /* "GW", "GY", "HK", "HM", "HN", "HR", "HT", "HU", */ "GNB", "GUY", "HKG", "HMD", "HND", "HRV", "HTI", "HUN", /* "IC", "ID", "IE", "IL", "IM", "IN", "IO", "IQ", "IR", "IS" */ "XIC", "IDN", "IRL", "ISR", "IMN", "IND", "IOT", "IRQ", "IRN", "ISL", /* "IT", "JE", "JM", "JO", "JP", "KE", "KG", "KH", "KI", */ "ITA", "JEY", "JAM", "JOR", "JPN", "KEN", "KGZ", "KHM", "KIR", /* "KM", "KN", "KP", "KR", "KW", "KY", "KZ", "LA", */ "COM", "KNA", "PRK", "KOR", "KWT", "CYM", "KAZ", "LAO", /* "LB", "LC", "LI", "LK", "LR", "LS", "LT", "LU", */ "LBN", "LCA", "LIE", "LKA", "LBR", "LSO", "LTU", "LUX", /* "LV", "LY", "MA", "MC", "MD", "ME", "MF", "MG", "MH", "MK", */ "LVA", "LBY", "MAR", "MCO", "MDA", "MNE", "MAF", "MDG", "MHL", "MKD", /* "ML", "MM", "MN", "MO", "MP", "MQ", "MR", "MS", */ "MLI", "MMR", "MNG", "MAC", "MNP", "MTQ", "MRT", "MSR", /* "MT", "MU", "MV", "MW", "MX", "MY", "MZ", "NA", */ "MLT", "MUS", "MDV", "MWI", "MEX", "MYS", "MOZ", "NAM", /* "NC", "NE", "NF", "NG", "NI", "NL", "NO", "NP", */ "NCL", "NER", "NFK", "NGA", "NIC", "NLD", "NOR", "NPL", /* "NR", "NU", "NZ", "OM", "PA", "PE", "PF", "PG", */ "NRU", "NIU", "NZL", "OMN", "PAN", "PER", "PYF", "PNG", /* "PH", "PK", "PL", "PM", "PN", "PR", "PS", "PT", */ "PHL", "PAK", "POL", "SPM", "PCN", "PRI", "PSE", "PRT", /* "PW", "PY", "QA", "RE", "RO", "RS", "RU", "RW", "SA", */ "PLW", "PRY", "QAT", "REU", "ROU", "SRB", "RUS", "RWA", "SAU", /* "SB", "SC", "SD", "SE", "SG", "SH", "SI", "SJ", */ "SLB", "SYC", "SDN", "SWE", "SGP", "SHN", "SVN", "SJM", /* "SK", "SL", "SM", "SN", "SO", "SR", "SS", "ST", "SV", */ "SVK", "SLE", "SMR", "SEN", "SOM", "SUR", "SSD", "STP", "SLV", /* "SX", "SY", "SZ", "TC", "TD", "TF", "TG", "TH", "TJ", */ "SXM", "SYR", "SWZ", "TCA", "TCD", "ATF", "TGO", "THA", "TJK", /* "TK", "TL", "TM", "TN", "TO", "TR", "TT", "TV", */ "TKL", "TLS", "TKM", "TUN", "TON", "TUR", "TTO", "TUV", /* "TW", "TZ", "UA", "UG", "UM", "US", "UY", "UZ", */ "TWN", "TZA", "UKR", "UGA", "UMI", "USA", "URY", "UZB", /* "VA", "VC", "VE", "VG", "VI", "VN", "VU", "WF", */ "VAT", "VCT", "VEN", "VGB", "VIR", "VNM", "VUT", "WLF", /* "WS", "XK", "YE", "YT", "ZA", "ZM", "ZW", */ "WSM", "XKK", "YEM", "MYT", "ZAF", "ZMB", "ZWE", nullptr, /* "AN", "BU", "CS", "FX", "RO", "SU", "TP", "YD", "YU", "ZR" */ "ANT", "BUR", "SCG", "FXX", "ROM", "SUN", "TMP", "YMD", "YUG", "ZAR", nullptr }; typedef struct CanonicalizationMap { const char *id; /* input ID */ const char *canonicalID; /* canonicalized output ID */ } CanonicalizationMap; /** * A map to canonicalize locale IDs. This handles a variety of * different semantic kinds of transformations. */ static const CanonicalizationMap CANONICALIZE_MAP[] = { { "art__LOJBAN", "jbo" }, /* registered name */ { "hy__AREVELA", "hy" }, /* Registered IANA variant */ { "hy__AREVMDA", "hyw" }, /* Registered IANA variant */ { "zh__GUOYU", "zh" }, /* registered name */ { "zh__HAKKA", "hak" }, /* registered name */ { "zh__XIANG", "hsn" }, /* registered name */ // subtags with 3 chars won't be treated as variants. { "zh_GAN", "gan" }, /* registered name */ { "zh_MIN_NAN", "nan" }, /* registered name */ { "zh_WUU", "wuu" }, /* registered name */ { "zh_YUE", "yue" }, /* registered name */ }; /* ### BCP47 Conversion *******************************************/ /* Test if the locale id has BCP47 u extension and does not have '@' */ #define _hasBCP47Extension(id) (id && uprv_strstr(id, "@") == nullptr && getShortestSubtagLength(localeID) == 1) /* Converts the BCP47 id to Unicode id. Does nothing to id if conversion fails */ static const char* _ConvertBCP47( const char* id, char* buffer, int32_t length, UErrorCode* err, int32_t* pLocaleIdSize) { const char* finalID; int32_t localeIDSize = uloc_forLanguageTag(id, buffer, length, nullptr, err); if (localeIDSize <= 0 || U_FAILURE(*err) || *err == U_STRING_NOT_TERMINATED_WARNING) { finalID=id; if (*err == U_STRING_NOT_TERMINATED_WARNING) { *err = U_BUFFER_OVERFLOW_ERROR; } } else { finalID=buffer; } if (pLocaleIdSize != nullptr) { *pLocaleIdSize = localeIDSize; } return finalID; } /* Gets the size of the shortest subtag in the given localeID. */ static int32_t getShortestSubtagLength(const char *localeID) { int32_t localeIDLength = static_cast<int32_t>(uprv_strlen(localeID)); int32_t length = localeIDLength; int32_t tmpLength = 0; int32_t i; UBool reset = true; for (i = 0; i < localeIDLength; i++) { if (localeID[i] != '_' && localeID[i] != '-') { if (reset) { tmpLength = 0; reset = false; } tmpLength++; } else { if (tmpLength != 0 && tmpLength < length) { length = tmpLength; } reset = true; } } return length; } /* ### Keywords **************************************************/ #define UPRV_ISDIGIT(c) (((c) >= '0') && ((c) <= '9')) #define UPRV_ISALPHANUM(c) (uprv_isASCIILetter(c) || UPRV_ISDIGIT(c) ) /* Punctuation/symbols allowed in legacy key values */ #define UPRV_OK_VALUE_PUNCTUATION(c) ((c) == '_' || (c) == '-' || (c) == '+' || (c) == '/') #define ULOC_KEYWORD_BUFFER_LEN 25 #define ULOC_MAX_NO_KEYWORDS 25 U_CAPI const char * U_EXPORT2 locale_getKeywordsStart(const char *localeID) { const char *result = nullptr; if((result = uprv_strchr(localeID, '@')) != nullptr) { return result; } #if (U_CHARSET_FAMILY == U_EBCDIC_FAMILY) else { /* We do this because the @ sign is variant, and the @ sign used on one EBCDIC machine won't be compiled the same way on other EBCDIC based machines. */ static const uint8_t ebcdicSigns[] = { 0x7C, 0x44, 0x66, 0x80, 0xAC, 0xAE, 0xAF, 0xB5, 0xEC, 0xEF, 0x00 }; const uint8_t *charToFind = ebcdicSigns; while(*charToFind) { if((result = uprv_strchr(localeID, *charToFind)) != nullptr) { return result; } charToFind++; } } #endif return nullptr; } /** * @param buf buffer of size [ULOC_KEYWORD_BUFFER_LEN] * @param keywordName incoming name to be canonicalized * @param status return status (keyword too long) * @return length of the keyword name */ static int32_t locale_canonKeywordName(char *buf, const char *keywordName, UErrorCode *status) { int32_t keywordNameLen = 0; for (; *keywordName != 0; keywordName++) { if (!UPRV_ISALPHANUM(*keywordName)) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* malformed keyword name */ return 0; } if (keywordNameLen < ULOC_KEYWORD_BUFFER_LEN - 1) { buf[keywordNameLen++] = uprv_tolower(*keywordName); } else { /* keyword name too long for internal buffer */ *status = U_INTERNAL_PROGRAM_ERROR; return 0; } } if (keywordNameLen == 0) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* empty keyword name */ return 0; } buf[keywordNameLen] = 0; /* terminate */ return keywordNameLen; } typedef struct { char keyword[ULOC_KEYWORD_BUFFER_LEN]; int32_t keywordLen; const char *valueStart; int32_t valueLen; } KeywordStruct; static int32_t U_CALLCONV compareKeywordStructs(const void * /*context*/, const void *left, const void *right) { const char* leftString = ((const KeywordStruct *)left)->keyword; const char* rightString = ((const KeywordStruct *)right)->keyword; return uprv_strcmp(leftString, rightString); } U_CFUNC void ulocimp_getKeywords(const char *localeID, char prev, ByteSink& sink, UBool valuesToo, UErrorCode *status) { KeywordStruct keywordList[ULOC_MAX_NO_KEYWORDS]; int32_t maxKeywords = ULOC_MAX_NO_KEYWORDS; int32_t numKeywords = 0; const char* pos = localeID; const char* equalSign = nullptr; const char* semicolon = nullptr; int32_t i = 0, j, n; if(prev == '@') { /* start of keyword definition */ /* we will grab pairs, trim spaces, lowercase keywords, sort and return */ do { UBool duplicate = false; /* skip leading spaces */ while(*pos == ' ') { pos++; } if (!*pos) { /* handle trailing "; " */ break; } if(numKeywords == maxKeywords) { *status = U_INTERNAL_PROGRAM_ERROR; return; } equalSign = uprv_strchr(pos, '='); semicolon = uprv_strchr(pos, ';'); /* lack of '=' [foo@currency] is illegal */ /* ';' before '=' [foo@currency;collation=pinyin] is illegal */ if(!equalSign || (semicolon && semicolon<equalSign)) { *status = U_INVALID_FORMAT_ERROR; return; } /* need to normalize both keyword and keyword name */ if(equalSign - pos >= ULOC_KEYWORD_BUFFER_LEN) { /* keyword name too long for internal buffer */ *status = U_INTERNAL_PROGRAM_ERROR; return; } for(i = 0, n = 0; i < equalSign - pos; ++i) { if (pos[i] != ' ') { keywordList[numKeywords].keyword[n++] = uprv_tolower(pos[i]); } } /* zero-length keyword is an error. */ if (n == 0) { *status = U_INVALID_FORMAT_ERROR; return; } keywordList[numKeywords].keyword[n] = 0; keywordList[numKeywords].keywordLen = n; /* now grab the value part. First we skip the '=' */ equalSign++; /* then we leading spaces */ while(*equalSign == ' ') { equalSign++; } /* Premature end or zero-length value */ if (!*equalSign || equalSign == semicolon) { *status = U_INVALID_FORMAT_ERROR; return; } keywordList[numKeywords].valueStart = equalSign; pos = semicolon; i = 0; if(pos) { while(*(pos - i - 1) == ' ') { i++; } keywordList[numKeywords].valueLen = (int32_t)(pos - equalSign - i); pos++; } else { i = (int32_t)uprv_strlen(equalSign); while(i && equalSign[i-1] == ' ') { i--; } keywordList[numKeywords].valueLen = i; } /* If this is a duplicate keyword, then ignore it */ for (j=0; j<numKeywords; ++j) { if (uprv_strcmp(keywordList[j].keyword, keywordList[numKeywords].keyword) == 0) { duplicate = true; break; } } if (!duplicate) { ++numKeywords; } } while(pos); /* now we have a list of keywords */ /* we need to sort it */ uprv_sortArray(keywordList, numKeywords, sizeof(KeywordStruct), compareKeywordStructs, nullptr, false, status); /* Now construct the keyword part */ for(i = 0; i < numKeywords; i++) { sink.Append(keywordList[i].keyword, keywordList[i].keywordLen); if(valuesToo) { sink.Append("=", 1); sink.Append(keywordList[i].valueStart, keywordList[i].valueLen); if(i < numKeywords - 1) { sink.Append(";", 1); } } else { sink.Append("\0", 1); } } } } U_CAPI int32_t U_EXPORT2 uloc_getKeywordValue(const char* localeID, const char* keywordName, char* buffer, int32_t bufferCapacity, UErrorCode* status) { if (U_FAILURE(*status)) { return 0; } CheckedArrayByteSink sink(buffer, bufferCapacity); ulocimp_getKeywordValue(localeID, keywordName, sink, status); int32_t reslen = sink.NumberOfBytesAppended(); if (U_FAILURE(*status)) { return reslen; } if (sink.Overflowed()) { *status = U_BUFFER_OVERFLOW_ERROR; } else { u_terminateChars(buffer, bufferCapacity, reslen, status); } return reslen; } U_CAPI void U_EXPORT2 ulocimp_getKeywordValue(const char* localeID, const char* keywordName, icu::ByteSink& sink, UErrorCode* status) { const char* startSearchHere = nullptr; const char* nextSeparator = nullptr; char keywordNameBuffer[ULOC_KEYWORD_BUFFER_LEN]; char localeKeywordNameBuffer[ULOC_KEYWORD_BUFFER_LEN]; if(status && U_SUCCESS(*status) && localeID) { char tempBuffer[ULOC_FULLNAME_CAPACITY]; const char* tmpLocaleID; if (keywordName == nullptr || keywordName[0] == 0) { *status = U_ILLEGAL_ARGUMENT_ERROR; return; } locale_canonKeywordName(keywordNameBuffer, keywordName, status); if(U_FAILURE(*status)) { return; } if (_hasBCP47Extension(localeID)) { tmpLocaleID = _ConvertBCP47(localeID, tempBuffer, sizeof(tempBuffer), status, nullptr); } else { tmpLocaleID=localeID; } startSearchHere = locale_getKeywordsStart(tmpLocaleID); if(startSearchHere == nullptr) { /* no keywords, return at once */ return; } /* find the first keyword */ while(startSearchHere) { const char* keyValueTail; int32_t keyValueLen; startSearchHere++; /* skip @ or ; */ nextSeparator = uprv_strchr(startSearchHere, '='); if(!nextSeparator) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* key must have =value */ return; } /* strip leading & trailing spaces (TC decided to tolerate these) */ while(*startSearchHere == ' ') { startSearchHere++; } keyValueTail = nextSeparator; while (keyValueTail > startSearchHere && *(keyValueTail-1) == ' ') { keyValueTail--; } /* now keyValueTail points to first char after the keyName */ /* copy & normalize keyName from locale */ if (startSearchHere == keyValueTail) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* empty keyword name in passed-in locale */ return; } keyValueLen = 0; while (startSearchHere < keyValueTail) { if (!UPRV_ISALPHANUM(*startSearchHere)) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* malformed keyword name */ return; } if (keyValueLen < ULOC_KEYWORD_BUFFER_LEN - 1) { localeKeywordNameBuffer[keyValueLen++] = uprv_tolower(*startSearchHere++); } else { /* keyword name too long for internal buffer */ *status = U_INTERNAL_PROGRAM_ERROR; return; } } localeKeywordNameBuffer[keyValueLen] = 0; /* terminate */ startSearchHere = uprv_strchr(nextSeparator, ';'); if(uprv_strcmp(keywordNameBuffer, localeKeywordNameBuffer) == 0) { /* current entry matches the keyword. */ nextSeparator++; /* skip '=' */ /* First strip leading & trailing spaces (TC decided to tolerate these) */ while(*nextSeparator == ' ') { nextSeparator++; } keyValueTail = (startSearchHere)? startSearchHere: nextSeparator + uprv_strlen(nextSeparator); while(keyValueTail > nextSeparator && *(keyValueTail-1) == ' ') { keyValueTail--; } /* Now copy the value, but check well-formedness */ if (nextSeparator == keyValueTail) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* empty key value name in passed-in locale */ return; } while (nextSeparator < keyValueTail) { if (!UPRV_ISALPHANUM(*nextSeparator) && !UPRV_OK_VALUE_PUNCTUATION(*nextSeparator)) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* malformed key value */ return; } /* Should we lowercase value to return here? Tests expect as-is. */ sink.Append(nextSeparator++, 1); } return; } } } } U_CAPI int32_t U_EXPORT2 uloc_setKeywordValue(const char* keywordName, const char* keywordValue, char* buffer, int32_t bufferCapacity, UErrorCode* status) { /* TODO: sorting. removal. */ int32_t keywordNameLen; int32_t keywordValueLen; int32_t bufLen; int32_t needLen = 0; char keywordNameBuffer[ULOC_KEYWORD_BUFFER_LEN]; char keywordValueBuffer[ULOC_KEYWORDS_CAPACITY+1]; char localeKeywordNameBuffer[ULOC_KEYWORD_BUFFER_LEN]; int32_t rc; char* nextSeparator = nullptr; char* nextEqualsign = nullptr; char* startSearchHere = nullptr; char* keywordStart = nullptr; CharString updatedKeysAndValues; UBool handledInputKeyAndValue = false; char keyValuePrefix = '@'; if(U_FAILURE(*status)) { return -1; } if (*status == U_STRING_NOT_TERMINATED_WARNING) { *status = U_ZERO_ERROR; } if (keywordName == nullptr || keywordName[0] == 0 || bufferCapacity <= 1) { *status = U_ILLEGAL_ARGUMENT_ERROR; return 0; } bufLen = (int32_t)uprv_strlen(buffer); if(bufferCapacity<bufLen) { /* The capacity is less than the length?! Is this NUL terminated? */ *status = U_ILLEGAL_ARGUMENT_ERROR; return 0; } keywordNameLen = locale_canonKeywordName(keywordNameBuffer, keywordName, status); if(U_FAILURE(*status)) { return 0; } keywordValueLen = 0; if(keywordValue) { while (*keywordValue != 0) { if (!UPRV_ISALPHANUM(*keywordValue) && !UPRV_OK_VALUE_PUNCTUATION(*keywordValue)) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* malformed key value */ return 0; } if (keywordValueLen < ULOC_KEYWORDS_CAPACITY) { /* Should we force lowercase in value to set? */ keywordValueBuffer[keywordValueLen++] = *keywordValue++; } else { /* keywordValue too long for internal buffer */ *status = U_INTERNAL_PROGRAM_ERROR; return 0; } } } keywordValueBuffer[keywordValueLen] = 0; /* terminate */ startSearchHere = (char*)locale_getKeywordsStart(buffer); if(startSearchHere == nullptr || (startSearchHere[1]==0)) { if(keywordValueLen == 0) { /* no keywords = nothing to remove */ U_ASSERT(*status != U_STRING_NOT_TERMINATED_WARNING); return bufLen; } needLen = bufLen+1+keywordNameLen+1+keywordValueLen; if(startSearchHere) { /* had a single @ */ needLen--; /* already had the @ */ /* startSearchHere points at the @ */ } else { startSearchHere=buffer+bufLen; } if(needLen >= bufferCapacity) { *status = U_BUFFER_OVERFLOW_ERROR; return needLen; /* no change */ } *startSearchHere++ = '@'; uprv_strcpy(startSearchHere, keywordNameBuffer); startSearchHere += keywordNameLen; *startSearchHere++ = '='; uprv_strcpy(startSearchHere, keywordValueBuffer); U_ASSERT(*status != U_STRING_NOT_TERMINATED_WARNING); return needLen; } /* end shortcut - no @ */ keywordStart = startSearchHere; /* search for keyword */ while(keywordStart) { const char* keyValueTail; int32_t keyValueLen; keywordStart++; /* skip @ or ; */ nextEqualsign = uprv_strchr(keywordStart, '='); if (!nextEqualsign) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* key must have =value */ return 0; } /* strip leading & trailing spaces (TC decided to tolerate these) */ while(*keywordStart == ' ') { keywordStart++; } keyValueTail = nextEqualsign; while (keyValueTail > keywordStart && *(keyValueTail-1) == ' ') { keyValueTail--; } /* now keyValueTail points to first char after the keyName */ /* copy & normalize keyName from locale */ if (keywordStart == keyValueTail) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* empty keyword name in passed-in locale */ return 0; } keyValueLen = 0; while (keywordStart < keyValueTail) { if (!UPRV_ISALPHANUM(*keywordStart)) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* malformed keyword name */ return 0; } if (keyValueLen < ULOC_KEYWORD_BUFFER_LEN - 1) { localeKeywordNameBuffer[keyValueLen++] = uprv_tolower(*keywordStart++); } else { /* keyword name too long for internal buffer */ *status = U_INTERNAL_PROGRAM_ERROR; return 0; } } localeKeywordNameBuffer[keyValueLen] = 0; /* terminate */ nextSeparator = uprv_strchr(nextEqualsign, ';'); /* start processing the value part */ nextEqualsign++; /* skip '=' */ /* First strip leading & trailing spaces (TC decided to tolerate these) */ while(*nextEqualsign == ' ') { nextEqualsign++; } keyValueTail = (nextSeparator)? nextSeparator: nextEqualsign + uprv_strlen(nextEqualsign); while(keyValueTail > nextEqualsign && *(keyValueTail-1) == ' ') { keyValueTail--; } if (nextEqualsign == keyValueTail) { *status = U_ILLEGAL_ARGUMENT_ERROR; /* empty key value in passed-in locale */ return 0; } rc = uprv_strcmp(keywordNameBuffer, localeKeywordNameBuffer); if(rc == 0) { /* Current entry matches the input keyword. Update the entry */ if(keywordValueLen > 0) { /* updating a value */ updatedKeysAndValues.append(keyValuePrefix, *status); keyValuePrefix = ';'; /* for any subsequent key-value pair */ updatedKeysAndValues.append(keywordNameBuffer, keywordNameLen, *status); updatedKeysAndValues.append('=', *status); updatedKeysAndValues.append(keywordValueBuffer, keywordValueLen, *status); } /* else removing this entry, don't emit anything */ handledInputKeyAndValue = true; } else { /* input keyword sorts earlier than current entry, add before current entry */ if (rc < 0 && keywordValueLen > 0 && !handledInputKeyAndValue) { /* insert new entry at this location */ updatedKeysAndValues.append(keyValuePrefix, *status); keyValuePrefix = ';'; /* for any subsequent key-value pair */ updatedKeysAndValues.append(keywordNameBuffer, keywordNameLen, *status); updatedKeysAndValues.append('=', *status); updatedKeysAndValues.append(keywordValueBuffer, keywordValueLen, *status); handledInputKeyAndValue = true; } /* copy the current entry */ updatedKeysAndValues.append(keyValuePrefix, *status); keyValuePrefix = ';'; /* for any subsequent key-value pair */ updatedKeysAndValues.append(localeKeywordNameBuffer, keyValueLen, *status); updatedKeysAndValues.append('=', *status); updatedKeysAndValues.append(nextEqualsign, static_cast<int32_t>(keyValueTail-nextEqualsign), *status); } if (!nextSeparator && keywordValueLen > 0 && !handledInputKeyAndValue) { /* append new entry at the end, it sorts later than existing entries */ updatedKeysAndValues.append(keyValuePrefix, *status); /* skip keyValuePrefix update, no subsequent key-value pair */ updatedKeysAndValues.append(keywordNameBuffer, keywordNameLen, *status); updatedKeysAndValues.append('=', *status); updatedKeysAndValues.append(keywordValueBuffer, keywordValueLen, *status); handledInputKeyAndValue = true; } keywordStart = nextSeparator; } /* end loop searching */ /* Any error from updatedKeysAndValues.append above would be internal and not due to * problems with the passed-in locale. So if we did encounter problems with the * passed-in locale above, those errors took precedence and overrode any error * status from updatedKeysAndValues.append, and also caused a return of 0. If there * are errors here they are from updatedKeysAndValues.append; they do cause an * error return but the passed-in locale is unmodified and the original bufLen is * returned. */ if (!handledInputKeyAndValue || U_FAILURE(*status)) { /* if input key/value specified removal of a keyword not present in locale, or * there was an error in CharString.append, leave original locale alone. */ U_ASSERT(*status != U_STRING_NOT_TERMINATED_WARNING); return bufLen; } // needLen = length of the part before '@' needLen = (int32_t)(startSearchHere - buffer); // Check to see can we fit the startSearchHere, if not, return // U_BUFFER_OVERFLOW_ERROR without copy updatedKeysAndValues into it. // We do this because this API function does not behave like most others: // It promises never to set a U_STRING_NOT_TERMINATED_WARNING. // When the contents fits but without the terminating NUL, in this case we need to not change // the buffer contents and return with a buffer overflow error. int32_t appendLength = updatedKeysAndValues.length(); if (appendLength >= bufferCapacity - needLen) { *status = U_BUFFER_OVERFLOW_ERROR; return needLen + appendLength; } needLen += updatedKeysAndValues.extract( startSearchHere, bufferCapacity - needLen, *status); U_ASSERT(*status != U_STRING_NOT_TERMINATED_WARNING); return needLen; } /* ### ID parsing implementation **************************************************/ #define _isPrefixLetter(a) ((a=='x')||(a=='X')||(a=='i')||(a=='I')) /*returns true if one of the special prefixes is here (s=string) 'x-' or 'i-' */ #define _isIDPrefix(s) (_isPrefixLetter(s[0])&&_isIDSeparator(s[1])) /* Dot terminates it because of POSIX form where dot precedes the codepage * except for variant */ #define _isTerminator(a) ((a==0)||(a=='.')||(a=='@')) /** * Lookup 'key' in the array 'list'. The array 'list' should contain * a nullptr entry, followed by more entries, and a second nullptr entry. * * The 'list' param should be LANGUAGES, LANGUAGES_3, COUNTRIES, or * COUNTRIES_3. */ static int16_t _findIndex(const char* const* list, const char* key) { const char* const* anchor = list; int32_t pass = 0; /* Make two passes through two nullptr-terminated arrays at 'list' */ while (pass++ < 2) { while (*list) { if (uprv_strcmp(key, *list) == 0) { return (int16_t)(list - anchor); } list++; } ++list; /* skip final nullptr *CWB*/ } return -1; } U_CFUNC const char* uloc_getCurrentCountryID(const char* oldID){ int32_t offset = _findIndex(DEPRECATED_COUNTRIES, oldID); if (offset >= 0) { return REPLACEMENT_COUNTRIES[offset]; } return oldID; } U_CFUNC const char* uloc_getCurrentLanguageID(const char* oldID){ int32_t offset = _findIndex(DEPRECATED_LANGUAGES, oldID); if (offset >= 0) { return REPLACEMENT_LANGUAGES[offset]; } return oldID; } /* * the internal functions _getLanguage(), _getCountry(), _getVariant() * avoid duplicating code to handle the earlier locale ID pieces * in the functions for the later ones by * setting the *pEnd pointer to where they stopped parsing * * TODO try to use this in Locale */ CharString U_EXPORT2 ulocimp_getLanguage(const char *localeID, const char **pEnd, UErrorCode &status) { CharString result; if (uprv_stricmp(localeID, "root") == 0) { localeID += 4; } else if (uprv_strnicmp(localeID, "und", 3) == 0 && (localeID[3] == '\0' || localeID[3] == '-' || localeID[3] == '_' || localeID[3] == '@')) { localeID += 3; } /* if it starts with i- or x- then copy that prefix */ if(_isIDPrefix(localeID)) { result.append((char)uprv_tolower(*localeID), status); result.append('-', status); localeID+=2; } /* copy the language as far as possible and count its length */ while(!_isTerminator(*localeID) && !_isIDSeparator(*localeID)) { result.append((char)uprv_tolower(*localeID), status); localeID++; } if(result.length()==3) { /* convert 3 character code to 2 character code if possible *CWB*/ int32_t offset = _findIndex(LANGUAGES_3, result.data()); if(offset>=0) { result.clear(); result.append(LANGUAGES[offset], status); } } if(pEnd!=nullptr) { *pEnd=localeID; } return result; } CharString U_EXPORT2 ulocimp_getScript(const char *localeID, const char **pEnd, UErrorCode &status) { CharString result; int32_t idLen = 0; if (pEnd != nullptr) { *pEnd = localeID; } /* copy the second item as far as possible and count its length */ while(!_isTerminator(localeID[idLen]) && !_isIDSeparator(localeID[idLen]) && uprv_isASCIILetter(localeID[idLen])) { idLen++; } /* If it's exactly 4 characters long, then it's a script and not a country. */ if (idLen == 4) { int32_t i; if (pEnd != nullptr) { *pEnd = localeID+idLen; } if (idLen >= 1) { result.append((char)uprv_toupper(*(localeID++)), status); } for (i = 1; i < idLen; i++) { result.append((char)uprv_tolower(*(localeID++)), status); } } return result; } CharString U_EXPORT2 ulocimp_getCountry(const char *localeID, const char **pEnd, UErrorCode &status) { CharString result; int32_t idLen=0; /* copy the country as far as possible and count its length */ while(!_isTerminator(localeID[idLen]) && !_isIDSeparator(localeID[idLen])) { result.append((char)uprv_toupper(localeID[idLen]), status); idLen++; } /* the country should be either length 2 or 3 */ if (idLen == 2 || idLen == 3) { /* convert 3 character code to 2 character code if possible *CWB*/ if(idLen==3) { int32_t offset = _findIndex(COUNTRIES_3, result.data()); if(offset>=0) { result.clear(); result.append(COUNTRIES[offset], status); } } localeID+=idLen; } else { result.clear(); } if(pEnd!=nullptr) { *pEnd=localeID; } return result; } /** * @param needSeparator if true, then add leading '_' if any variants * are added to 'variant' */ static void _getVariant(const char *localeID, char prev, ByteSink& sink, UBool needSeparator) { UBool hasVariant = false; /* get one or more variant tags and separate them with '_' */ if(_isIDSeparator(prev)) { /* get a variant string after a '-' or '_' */ while(!_isTerminator(*localeID)) { if (needSeparator) { sink.Append("_", 1); needSeparator = false; } char c = (char)uprv_toupper(*localeID); if (c == '-') c = '_'; sink.Append(&c, 1); hasVariant = true; localeID++; } } /* if there is no variant tag after a '-' or '_' then look for '@' */ if(!hasVariant) { if(prev=='@') { /* keep localeID */ } else if((localeID=locale_getKeywordsStart(localeID))!=nullptr) { ++localeID; /* point after the '@' */ } else { return; } while(!_isTerminator(*localeID)) { if (needSeparator) { sink.Append("_", 1); needSeparator = false; } char c = (char)uprv_toupper(*localeID); if (c == '-' || c == ',') c = '_'; sink.Append(&c, 1); localeID++; } } } /* Keyword enumeration */ typedef struct UKeywordsContext { char* keywords; char* current; } UKeywordsContext; U_CDECL_BEGIN static void U_CALLCONV uloc_kw_closeKeywords(UEnumeration *enumerator) { uprv_free(((UKeywordsContext *)enumerator->context)->keywords); uprv_free(enumerator->context); uprv_free(enumerator); } static int32_t U_CALLCONV uloc_kw_countKeywords(UEnumeration *en, UErrorCode * /*status*/) { char *kw = ((UKeywordsContext *)en->context)->keywords; int32_t result = 0; while(*kw) { result++; kw += uprv_strlen(kw)+1; } return result; } static const char * U_CALLCONV uloc_kw_nextKeyword(UEnumeration* en, int32_t* resultLength, UErrorCode* /*status*/) { const char* result = ((UKeywordsContext *)en->context)->current; int32_t len = 0; if(*result) { len = (int32_t)uprv_strlen(((UKeywordsContext *)en->context)->current); ((UKeywordsContext *)en->context)->current += len+1; } else { result = nullptr; } if (resultLength) { *resultLength = len; } return result; } static void U_CALLCONV uloc_kw_resetKeywords(UEnumeration* en, UErrorCode* /*status*/) { ((UKeywordsContext *)en->context)->current = ((UKeywordsContext *)en->context)->keywords; } U_CDECL_END static const UEnumeration gKeywordsEnum = { nullptr, nullptr, uloc_kw_closeKeywords, uloc_kw_countKeywords, uenum_unextDefault, uloc_kw_nextKeyword, uloc_kw_resetKeywords }; U_CAPI UEnumeration* U_EXPORT2 uloc_openKeywordList(const char *keywordList, int32_t keywordListSize, UErrorCode* status) { LocalMemory<UKeywordsContext> myContext; LocalMemory<UEnumeration> result; if (U_FAILURE(*status)) { return nullptr; } myContext.adoptInstead(static_cast<UKeywordsContext *>(uprv_malloc(sizeof(UKeywordsContext)))); result.adoptInstead(static_cast<UEnumeration *>(uprv_malloc(sizeof(UEnumeration)))); if (myContext.isNull() || result.isNull()) { *status = U_MEMORY_ALLOCATION_ERROR; return nullptr; } uprv_memcpy(result.getAlias(), &gKeywordsEnum, sizeof(UEnumeration)); myContext->keywords = static_cast<char *>(uprv_malloc(keywordListSize+1)); if (myContext->keywords == nullptr) { *status = U_MEMORY_ALLOCATION_ERROR; return nullptr; } uprv_memcpy(myContext->keywords, keywordList, keywordListSize); myContext->keywords[keywordListSize] = 0; myContext->current = myContext->keywords; result->context = myContext.orphan(); return result.orphan(); } U_CAPI UEnumeration* U_EXPORT2 uloc_openKeywords(const char* localeID, UErrorCode* status) { char tempBuffer[ULOC_FULLNAME_CAPACITY]; const char* tmpLocaleID; if(status==nullptr || U_FAILURE(*status)) { return 0; } if (_hasBCP47Extension(localeID)) { tmpLocaleID = _ConvertBCP47(localeID, tempBuffer, sizeof(tempBuffer), status, nullptr); } else { if (localeID==nullptr) { localeID=uloc_getDefault(); } tmpLocaleID=localeID; } /* Skip the language */ ulocimp_getLanguage(tmpLocaleID, &tmpLocaleID, *status); if (U_FAILURE(*status)) { return 0; } if(_isIDSeparator(*tmpLocaleID)) { const char *scriptID; /* Skip the script if available */ ulocimp_getScript(tmpLocaleID+1, &scriptID, *status); if (U_FAILURE(*status)) { return 0; } if(scriptID != tmpLocaleID+1) { /* Found optional script */ tmpLocaleID = scriptID; } /* Skip the Country */ if (_isIDSeparator(*tmpLocaleID)) { ulocimp_getCountry(tmpLocaleID+1, &tmpLocaleID, *status); if (U_FAILURE(*status)) { return 0; } } } /* keywords are located after '@' */ if((tmpLocaleID = locale_getKeywordsStart(tmpLocaleID)) != nullptr) { CharString keywords; CharStringByteSink sink(&keywords); ulocimp_getKeywords(tmpLocaleID+1, '@', sink, false, status); if (U_FAILURE(*status)) { return nullptr; } return uloc_openKeywordList(keywords.data(), keywords.length(), status); } return nullptr; } /* bit-flags for 'options' parameter of _canonicalize */ #define _ULOC_STRIP_KEYWORDS 0x2 #define _ULOC_CANONICALIZE 0x1 #define OPTION_SET(options, mask) ((options & mask) != 0) static const char i_default[] = {'i', '-', 'd', 'e', 'f', 'a', 'u', 'l', 't'}; #define I_DEFAULT_LENGTH UPRV_LENGTHOF(i_default) /** * Canonicalize the given localeID, to level 1 or to level 2, * depending on the options. To specify level 1, pass in options=0. * To specify level 2, pass in options=_ULOC_CANONICALIZE. * * This is the code underlying uloc_getName and uloc_canonicalize. */ static void _canonicalize(const char* localeID, ByteSink& sink, uint32_t options, UErrorCode* err) { if (U_FAILURE(*err)) { return; } int32_t j, fieldCount=0, scriptSize=0, variantSize=0; PreflightingLocaleIDBuffer tempBuffer; // if localeID has a BCP47 extension, tmpLocaleID points to this CharString localeIDWithHyphens; // if localeID has a BPC47 extension and have _, tmpLocaleID points to this const char* origLocaleID; const char* tmpLocaleID; const char* keywordAssign = nullptr; const char* separatorIndicator = nullptr; if (_hasBCP47Extension(localeID)) { const char* localeIDPtr = localeID; // convert all underbars to hyphens, unless the "BCP47 extension" comes at the beginning of the string if (uprv_strchr(localeID, '_') != nullptr && localeID[1] != '-' && localeID[1] != '_') { localeIDWithHyphens.append(localeID, -1, *err); if (U_SUCCESS(*err)) { for (char* p = localeIDWithHyphens.data(); *p != '\0'; ++p) { if (*p == '_') { *p = '-'; } } localeIDPtr = localeIDWithHyphens.data(); } } do { // After this call tmpLocaleID may point to localeIDPtr which may // point to either localeID or localeIDWithHyphens.data(). tmpLocaleID = _ConvertBCP47(localeIDPtr, tempBuffer.getBuffer(), tempBuffer.getCapacity(), err, &(tempBuffer.requestedCapacity)); } while (tempBuffer.needToTryAgain(err)); } else { if (localeID==nullptr) { localeID=uloc_getDefault(); } tmpLocaleID=localeID; } origLocaleID=tmpLocaleID; /* get all pieces, one after another, and separate with '_' */ CharString tag = ulocimp_getLanguage(tmpLocaleID, &tmpLocaleID, *err); if (tag.length() == I_DEFAULT_LENGTH && uprv_strncmp(origLocaleID, i_default, I_DEFAULT_LENGTH) == 0) { tag.clear(); tag.append(uloc_getDefault(), *err); } else if(_isIDSeparator(*tmpLocaleID)) { const char *scriptID; ++fieldCount; tag.append('_', *err); CharString script = ulocimp_getScript(tmpLocaleID+1, &scriptID, *err); tag.append(script, *err); scriptSize = script.length(); if(scriptSize > 0) { /* Found optional script */ tmpLocaleID = scriptID; ++fieldCount; if (_isIDSeparator(*tmpLocaleID)) { /* If there is something else, then we add the _ */ tag.append('_', *err); } } if (_isIDSeparator(*tmpLocaleID)) { const char *cntryID; CharString country = ulocimp_getCountry(tmpLocaleID+1, &cntryID, *err); tag.append(country, *err); if (!country.isEmpty()) { /* Found optional country */ tmpLocaleID = cntryID; } if(_isIDSeparator(*tmpLocaleID)) { /* If there is something else, then we add the _ if we found country before. */ if (!_isIDSeparator(*(tmpLocaleID+1))) { ++fieldCount; tag.append('_', *err); } variantSize = -tag.length(); { CharStringByteSink s(&tag); _getVariant(tmpLocaleID+1, *tmpLocaleID, s, false); } variantSize += tag.length(); if (variantSize > 0) { tmpLocaleID += variantSize + 1; /* skip '_' and variant */ } } } } /* Copy POSIX-style charset specifier, if any [mr.utf8] */ if (!OPTION_SET(options, _ULOC_CANONICALIZE) && *tmpLocaleID == '.') { UBool done = false; do { char c = *tmpLocaleID; switch (c) { case 0: case '@': done = true; break; default: tag.append(c, *err); ++tmpLocaleID; break; } } while (!done); } /* Scan ahead to next '@' and determine if it is followed by '=' and/or ';' After this, tmpLocaleID either points to '@' or is nullptr */ if ((tmpLocaleID=locale_getKeywordsStart(tmpLocaleID))!=nullptr) { keywordAssign = uprv_strchr(tmpLocaleID, '='); separatorIndicator = uprv_strchr(tmpLocaleID, ';'); } /* Copy POSIX-style variant, if any [mr@FOO] */ if (!OPTION_SET(options, _ULOC_CANONICALIZE) && tmpLocaleID != nullptr && keywordAssign == nullptr) { for (;;) { char c = *tmpLocaleID; if (c == 0) { break; } tag.append(c, *err); ++tmpLocaleID; } } if (OPTION_SET(options, _ULOC_CANONICALIZE)) { /* Handle @FOO variant if @ is present and not followed by = */ if (tmpLocaleID!=nullptr && keywordAssign==nullptr) { /* Add missing '_' if needed */ if (fieldCount < 2 || (fieldCount < 3 && scriptSize > 0)) { do { tag.append('_', *err); ++fieldCount; } while(fieldCount<2); } int32_t posixVariantSize = -tag.length(); { CharStringByteSink s(&tag); _getVariant(tmpLocaleID+1, '@', s, (UBool)(variantSize > 0)); } posixVariantSize += tag.length(); if (posixVariantSize > 0) { variantSize += posixVariantSize; } } /* Look up the ID in the canonicalization map */ for (j=0; j<UPRV_LENGTHOF(CANONICALIZE_MAP); j++) { StringPiece id(CANONICALIZE_MAP[j].id); if (tag == id) { if (id.empty() && tmpLocaleID != nullptr) { break; /* Don't remap "" if keywords present */ } tag.clear(); tag.append(CANONICALIZE_MAP[j].canonicalID, *err); break; } } } sink.Append(tag.data(), tag.length()); if (!OPTION_SET(options, _ULOC_STRIP_KEYWORDS)) { if (tmpLocaleID!=nullptr && keywordAssign!=nullptr && (!separatorIndicator || separatorIndicator > keywordAssign)) { sink.Append("@", 1); ++fieldCount; ulocimp_getKeywords(tmpLocaleID+1, '@', sink, true, err); } } } /* ### ID parsing API **************************************************/ U_CAPI int32_t U_EXPORT2 uloc_getParent(const char* localeID, char* parent, int32_t parentCapacity, UErrorCode* err) { const char *lastUnderscore; int32_t i; if (U_FAILURE(*err)) return 0; if (localeID == nullptr) localeID = uloc_getDefault(); lastUnderscore=uprv_strrchr(localeID, '_'); if(lastUnderscore!=nullptr) { i=(int32_t)(lastUnderscore-localeID); } else { i=0; } if (i > 0) { if (uprv_strnicmp(localeID, "und_", 4) == 0) { localeID += 3; i -= 3; uprv_memmove(parent, localeID, uprv_min(i, parentCapacity)); } else if (parent != localeID) { uprv_memcpy(parent, localeID, uprv_min(i, parentCapacity)); } } return u_terminateChars(parent, parentCapacity, i, err); } U_CAPI int32_t U_EXPORT2 uloc_getLanguage(const char* localeID, char* language, int32_t languageCapacity, UErrorCode* err) { /* uloc_getLanguage will return a 2 character iso-639 code if one exists. *CWB*/ if (err==nullptr || U_FAILURE(*err)) { return 0; } if(localeID==nullptr) { localeID=uloc_getDefault(); } return ulocimp_getLanguage(localeID, nullptr, *err).extract(language, languageCapacity, *err); } U_CAPI int32_t U_EXPORT2 uloc_getScript(const char* localeID, char* script, int32_t scriptCapacity, UErrorCode* err) { if(err==nullptr || U_FAILURE(*err)) { return 0; } if(localeID==nullptr) { localeID=uloc_getDefault(); } /* skip the language */ ulocimp_getLanguage(localeID, &localeID, *err); if (U_FAILURE(*err)) { return 0; } if(_isIDSeparator(*localeID)) { return ulocimp_getScript(localeID+1, nullptr, *err).extract(script, scriptCapacity, *err); } return u_terminateChars(script, scriptCapacity, 0, err); } U_CAPI int32_t U_EXPORT2 uloc_getCountry(const char* localeID, char* country, int32_t countryCapacity, UErrorCode* err) { if(err==nullptr || U_FAILURE(*err)) { return 0; } if(localeID==nullptr) { localeID=uloc_getDefault(); } /* Skip the language */ ulocimp_getLanguage(localeID, &localeID, *err); if (U_FAILURE(*err)) { return 0; } if(_isIDSeparator(*localeID)) { const char *scriptID; /* Skip the script if available */ ulocimp_getScript(localeID+1, &scriptID, *err); if (U_FAILURE(*err)) { return 0; } if(scriptID != localeID+1) { /* Found optional script */ localeID = scriptID; } if(_isIDSeparator(*localeID)) { return ulocimp_getCountry(localeID+1, nullptr, *err).extract(country, countryCapacity, *err); } } return u_terminateChars(country, countryCapacity, 0, err); } U_CAPI int32_t U_EXPORT2 uloc_getVariant(const char* localeID, char* variant, int32_t variantCapacity, UErrorCode* err) { char tempBuffer[ULOC_FULLNAME_CAPACITY]; const char* tmpLocaleID; int32_t i=0; if(err==nullptr || U_FAILURE(*err)) { return 0; } if (_hasBCP47Extension(localeID)) { tmpLocaleID =_ConvertBCP47(localeID, tempBuffer, sizeof(tempBuffer), err, nullptr); } else { if (localeID==nullptr) { localeID=uloc_getDefault(); } tmpLocaleID=localeID; } /* Skip the language */ ulocimp_getLanguage(tmpLocaleID, &tmpLocaleID, *err); if (U_FAILURE(*err)) { return 0; } if(_isIDSeparator(*tmpLocaleID)) { const char *scriptID; /* Skip the script if available */ ulocimp_getScript(tmpLocaleID+1, &scriptID, *err); if (U_FAILURE(*err)) { return 0; } if(scriptID != tmpLocaleID+1) { /* Found optional script */ tmpLocaleID = scriptID; } /* Skip the Country */ if (_isIDSeparator(*tmpLocaleID)) { const char *cntryID; ulocimp_getCountry(tmpLocaleID+1, &cntryID, *err); if (U_FAILURE(*err)) { return 0; } if (cntryID != tmpLocaleID+1) { /* Found optional country */ tmpLocaleID = cntryID; } if(_isIDSeparator(*tmpLocaleID)) { /* If there was no country ID, skip a possible extra IDSeparator */ if (tmpLocaleID != cntryID && _isIDSeparator(tmpLocaleID[1])) { tmpLocaleID++; } CheckedArrayByteSink sink(variant, variantCapacity); _getVariant(tmpLocaleID+1, *tmpLocaleID, sink, false); i = sink.NumberOfBytesAppended(); if (U_FAILURE(*err)) { return i; } if (sink.Overflowed()) { *err = U_BUFFER_OVERFLOW_ERROR; return i; } } } } return u_terminateChars(variant, variantCapacity, i, err); } U_CAPI int32_t U_EXPORT2 uloc_getName(const char* localeID, char* name, int32_t nameCapacity, UErrorCode* err) { if (U_FAILURE(*err)) { return 0; } CheckedArrayByteSink sink(name, nameCapacity); ulocimp_getName(localeID, sink, err); int32_t reslen = sink.NumberOfBytesAppended(); if (U_FAILURE(*err)) { return reslen; } if (sink.Overflowed()) { *err = U_BUFFER_OVERFLOW_ERROR; } else { u_terminateChars(name, nameCapacity, reslen, err); } return reslen; } U_CAPI void U_EXPORT2 ulocimp_getName(const char* localeID, ByteSink& sink, UErrorCode* err) { _canonicalize(localeID, sink, 0, err); } U_CAPI int32_t U_EXPORT2 uloc_getBaseName(const char* localeID, char* name, int32_t nameCapacity, UErrorCode* err) { if (U_FAILURE(*err)) { return 0; } CheckedArrayByteSink sink(name, nameCapacity); ulocimp_getBaseName(localeID, sink, err); int32_t reslen = sink.NumberOfBytesAppended(); if (U_FAILURE(*err)) { return reslen; } if (sink.Overflowed()) { *err = U_BUFFER_OVERFLOW_ERROR; } else { u_terminateChars(name, nameCapacity, reslen, err); } return reslen; } U_CAPI void U_EXPORT2 ulocimp_getBaseName(const char* localeID, ByteSink& sink, UErrorCode* err) { _canonicalize(localeID, sink, _ULOC_STRIP_KEYWORDS, err); } U_CAPI int32_t U_EXPORT2 uloc_canonicalize(const char* localeID, char* name, int32_t nameCapacity, UErrorCode* err) { if (U_FAILURE(*err)) { return 0; } CheckedArrayByteSink sink(name, nameCapacity); ulocimp_canonicalize(localeID, sink, err); int32_t reslen = sink.NumberOfBytesAppended(); if (U_FAILURE(*err)) { return reslen; } if (sink.Overflowed()) { *err = U_BUFFER_OVERFLOW_ERROR; } else { u_terminateChars(name, nameCapacity, reslen, err); } return reslen; } U_CAPI void U_EXPORT2 ulocimp_canonicalize(const char* localeID, ByteSink& sink, UErrorCode* err) { _canonicalize(localeID, sink, _ULOC_CANONICALIZE, err); } U_CAPI const char* U_EXPORT2 uloc_getISO3Language(const char* localeID) { int16_t offset; char lang[ULOC_LANG_CAPACITY]; UErrorCode err = U_ZERO_ERROR; if (localeID == nullptr) { localeID = uloc_getDefault(); } uloc_getLanguage(localeID, lang, ULOC_LANG_CAPACITY, &err); if (U_FAILURE(err)) return ""; offset = _findIndex(LANGUAGES, lang); if (offset < 0) return ""; return LANGUAGES_3[offset]; } U_CAPI const char* U_EXPORT2 uloc_getISO3Country(const char* localeID) { int16_t offset; char cntry[ULOC_LANG_CAPACITY]; UErrorCode err = U_ZERO_ERROR; if (localeID == nullptr) { localeID = uloc_getDefault(); } uloc_getCountry(localeID, cntry, ULOC_LANG_CAPACITY, &err); if (U_FAILURE(err)) return ""; offset = _findIndex(COUNTRIES, cntry); if (offset < 0) return ""; return COUNTRIES_3[offset]; } U_CAPI uint32_t U_EXPORT2 uloc_getLCID(const char* localeID) { UErrorCode status = U_ZERO_ERROR; char langID[ULOC_FULLNAME_CAPACITY]; uint32_t lcid = 0; /* Check for incomplete id. */ if (!localeID || uprv_strlen(localeID) < 2) { return 0; } // First, attempt Windows platform lookup if available, but fall // through to catch any special cases (ICU vs Windows name differences). lcid = uprv_convertToLCIDPlatform(localeID, &status); if (U_FAILURE(status)) { return 0; } if (lcid > 0) { // Windows found an LCID, return that return lcid; } uloc_getLanguage(localeID, langID, sizeof(langID), &status); if (U_FAILURE(status) || status == U_STRING_NOT_TERMINATED_WARNING) { return 0; } if (uprv_strchr(localeID, '@')) { // uprv_convertToLCID does not support keywords other than collation. // Remove all keywords except collation. int32_t len; char tmpLocaleID[ULOC_FULLNAME_CAPACITY]; CharString collVal; { CharStringByteSink sink(&collVal); ulocimp_getKeywordValue(localeID, "collation", sink, &status); } if (U_SUCCESS(status) && !collVal.isEmpty()) { len = uloc_getBaseName(localeID, tmpLocaleID, UPRV_LENGTHOF(tmpLocaleID) - 1, &status); if (U_SUCCESS(status) && len > 0) { tmpLocaleID[len] = 0; len = uloc_setKeywordValue("collation", collVal.data(), tmpLocaleID, UPRV_LENGTHOF(tmpLocaleID) - len - 1, &status); if (U_SUCCESS(status) && len > 0) { tmpLocaleID[len] = 0; return uprv_convertToLCID(langID, tmpLocaleID, &status); } } } // fall through - all keywords are simply ignored status = U_ZERO_ERROR; } return uprv_convertToLCID(langID, localeID, &status); } U_CAPI int32_t U_EXPORT2 uloc_getLocaleForLCID(uint32_t hostid, char *locale, int32_t localeCapacity, UErrorCode *status) { return uprv_convertToPosix(hostid, locale, localeCapacity, status); } /* ### Default locale **************************************************/ U_CAPI const char* U_EXPORT2 uloc_getDefault() { return locale_get_default(); } U_CAPI void U_EXPORT2 uloc_setDefault(const char* newDefaultLocale, UErrorCode* err) { if (U_FAILURE(*err)) return; /* the error code isn't currently used for anything by this function*/ /* propagate change to C++ */ locale_set_default(newDefaultLocale); } /** * Returns a list of all 2-letter language codes defined in ISO 639. This is a pointer * to an array of pointers to arrays of char. All of these pointers are owned * by ICU-- do not delete them, and do not write through them. The array is * terminated with a null pointer. */ U_CAPI const char* const* U_EXPORT2 uloc_getISOLanguages() { return LANGUAGES; } /** * Returns a list of all 2-letter country codes defined in ISO 639. This is a * pointer to an array of pointers to arrays of char. All of these pointers are * owned by ICU-- do not delete them, and do not write through them. The array is * terminated with a null pointer. */ U_CAPI const char* const* U_EXPORT2 uloc_getISOCountries() { return COUNTRIES; } U_CAPI const char* U_EXPORT2 uloc_toUnicodeLocaleKey(const char* keyword) { const char* bcpKey = ulocimp_toBcpKey(keyword); if (bcpKey == nullptr && ultag_isUnicodeLocaleKey(keyword, -1)) { // unknown keyword, but syntax is fine.. return keyword; } return bcpKey; } U_CAPI const char* U_EXPORT2 uloc_toUnicodeLocaleType(const char* keyword, const char* value) { const char* bcpType = ulocimp_toBcpType(keyword, value, nullptr, nullptr); if (bcpType == nullptr && ultag_isUnicodeLocaleType(value, -1)) { // unknown keyword, but syntax is fine.. return value; } return bcpType; } static UBool isWellFormedLegacyKey(const char* legacyKey) { const char* p = legacyKey; while (*p) { if (!UPRV_ISALPHANUM(*p)) { return false; } p++; } return true; } static UBool isWellFormedLegacyType(const char* legacyType) { const char* p = legacyType; int32_t alphaNumLen = 0; while (*p) { if (*p == '_' || *p == '/' || *p == '-') { if (alphaNumLen == 0) { return false; } alphaNumLen = 0; } else if (UPRV_ISALPHANUM(*p)) { alphaNumLen++; } else { return false; } p++; } return (alphaNumLen != 0); } U_CAPI const char* U_EXPORT2 uloc_toLegacyKey(const char* keyword) { const char* legacyKey = ulocimp_toLegacyKey(keyword); if (legacyKey == nullptr) { // Checks if the specified locale key is well-formed with the legacy locale syntax. // // Note: // LDML/CLDR provides some definition of keyword syntax in // * http://www.unicode.org/reports/tr35/#Unicode_locale_identifier and // * http://www.unicode.org/reports/tr35/#Old_Locale_Extension_Syntax // Keys can only consist of [0-9a-zA-Z]. if (isWellFormedLegacyKey(keyword)) { return keyword; } } return legacyKey; } U_CAPI const char* U_EXPORT2 uloc_toLegacyType(const char* keyword, const char* value) { const char* legacyType = ulocimp_toLegacyType(keyword, value, nullptr, nullptr); if (legacyType == nullptr) { // Checks if the specified locale type is well-formed with the legacy locale syntax. // // Note: // LDML/CLDR provides some definition of keyword syntax in // * http://www.unicode.org/reports/tr35/#Unicode_locale_identifier and // * http://www.unicode.org/reports/tr35/#Old_Locale_Extension_Syntax // Values (types) can only consist of [0-9a-zA-Z], plus for legacy values // we allow [/_-+] in the middle (e.g. "Etc/GMT+1", "Asia/Tel_Aviv") if (isWellFormedLegacyType(value)) { return value; } } return legacyType; } /*eof*/