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[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 09:10:23 +00:00
// © 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(void);
/* ### 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 NULL entry, followed by a
* second list, and another NULL 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",
"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",
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"ml", "mn", "mnc", "mni",
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"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",
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"sv", "sw", "swb", "syc", "syr", "szl",
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"ta", "tcy", "te", "tem", "teo", "ter", "tet", "tg",
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"th", "ti", "tig", "tiv", "tk", "tkl", "tkr",
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"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",
NULL,
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"in", "iw", "ji", "jw", "mo", "sh", "swc", "tl", /* obsolete language codes */
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NULL
};
static const char* const DEPRECATED_LANGUAGES[]={
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"in", "iw", "ji", "jw", "mo", NULL, NULL
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};
static const char* const REPLACEMENT_LANGUAGES[]={
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"id", "he", "yi", "jv", "ro", NULL, NULL
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};
/**
* 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 NULL entry, followed by a
* second list, and another NULL 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",
"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",
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"mal", "mon", "mnc", "mni",
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"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",
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"swe", "swa", "swb", "syc", "syr", "szl",
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"tam", "tcy", "tel", "tem", "teo", "ter", "tet", "tgk",
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"tha", "tir", "tig", "tiv", "tuk", "tkl", "tkr",
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"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",
NULL,
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/* "in", "iw", "ji", "jw", "mo", "sh", "swc", "tl", */
"ind", "heb", "yid", "jaw", "mol", "srp", "swc", "tgl",
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NULL
};
/**
* 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 NULL entry, followed by a
* second list, and another NULL 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", "CR",
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"CU", "CV", "CW", "CX", "CY", "CZ", "DE", "DG", "DJ", "DK",
"DM", "DO", "DZ", "EA", "EC", "EE", "EG", "EH", "ER",
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"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",
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"IC", "ID", "IE", "IL", "IM", "IN", "IO", "IQ", "IR", "IS",
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"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",
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"WS", "XK", "YE", "YT", "ZA", "ZM", "ZW",
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NULL,
"AN", "BU", "CS", "FX", "RO", "SU", "TP", "YD", "YU", "ZR", /* obsolete country codes */
NULL
};
static const char* const DEPRECATED_COUNTRIES[] = {
"AN", "BU", "CS", "DD", "DY", "FX", "HV", "NH", "RH", "SU", "TP", "UK", "VD", "YD", "YU", "ZR", NULL, NULL /* 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", NULL, NULL /* 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 NULL entry, followed by a
* second list, and another NULL 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", "CR", */
"CHE", "CIV", "COK", "CHL", "CMR", "CHN", "COL", "CRI",
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/* "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",
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/* "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",
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/* "IC", "ID", "IE", "IL", "IM", "IN", "IO", "IQ", "IR", "IS" */
"XIC", "IDN", "IRL", "ISR", "IMN", "IND", "IOT", "IRQ", "IRN", "ISL",
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/* "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",
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/* "WS", "XK", "YE", "YT", "ZA", "ZM", "ZW", */
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"WSM", "XKK", "YEM", "MYT", "ZAF", "ZMB", "ZWE",
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NULL,
/* "AN", "BU", "CS", "FX", "RO", "SU", "TP", "YD", "YU", "ZR" */
"ANT", "BUR", "SCG", "FXX", "ROM", "SUN", "TMP", "YMD", "YUG", "ZAR",
NULL
};
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, "@") == NULL && getShortestSubtagLength(localeID) == 1)
/* Converts the BCP47 id to Unicode id. Does nothing to id if conversion fails */
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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, NULL, 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;
}
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/* 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 = NULL;
if((result = uprv_strchr(localeID, '@')) != NULL) {
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)) != NULL) {
return result;
}
charToFind++;
}
}
#endif
return NULL;
}
/**
* @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 = NULL;
const char* semicolon = NULL;
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, NULL, 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 = NULL;
const char* nextSeparator = NULL;
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 == NULL || keywordName[0] == 0) {
*status = U_ILLEGAL_ARGUMENT_ERROR;
return;
}
locale_canonKeywordName(keywordNameBuffer, keywordName, status);
if(U_FAILURE(*status)) {
return;
}
if (_hasBCP47Extension(localeID)) {
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tmpLocaleID = _ConvertBCP47(localeID, tempBuffer,
sizeof(tempBuffer), status, nullptr);
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} else {
tmpLocaleID=localeID;
}
startSearchHere = locale_getKeywordsStart(tmpLocaleID);
if(startSearchHere == NULL) {
/* 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 = NULL;
char* nextEqualsign = NULL;
char* startSearchHere = NULL;
char* keywordStart = NULL;
CharString updatedKeysAndValues;
UBool handledInputKeyAndValue = FALSE;
char keyValuePrefix = '@';
if(U_FAILURE(*status)) {
return -1;
}
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if (*status == U_STRING_NOT_TERMINATED_WARNING) {
*status = U_ZERO_ERROR;
}
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if (keywordName == NULL || 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 NULL 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 == NULL || (startSearchHere[1]==0)) {
if(keywordValueLen == 0) { /* no keywords = nothing to remove */
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U_ASSERT(*status != U_STRING_NOT_TERMINATED_WARNING);
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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);
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U_ASSERT(*status != U_STRING_NOT_TERMINATED_WARNING);
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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. */
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U_ASSERT(*status != U_STRING_NOT_TERMINATED_WARNING);
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return bufLen;
}
// needLen = length of the part before '@'
needLen = (int32_t)(startSearchHere - buffer);
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// 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(
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startSearchHere, bufferCapacity - needLen, *status);
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U_ASSERT(*status != U_STRING_NOT_TERMINATED_WARNING);
return needLen;
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}
/* ### 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 NULL entry, followed by more entries, and a second NULL 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 NULL-terminated arrays at 'list' */
while (pass++ < 2) {
while (*list) {
if (uprv_strcmp(key, *list) == 0) {
return (int16_t)(list - anchor);
}
list++;
}
++list; /* skip final NULL *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!=NULL) {
*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 != NULL) {
*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 != NULL) {
*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!=NULL) {
*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))!=NULL) {
++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 = NULL;
}
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 = {
NULL,
NULL,
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==NULL || U_FAILURE(*status)) {
return 0;
}
if (_hasBCP47Extension(localeID)) {
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tmpLocaleID = _ConvertBCP47(localeID, tempBuffer,
sizeof(tempBuffer), status, nullptr);
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} else {
if (localeID==NULL) {
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localeID=uloc_getDefault();
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}
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)) != NULL) {
CharString keywords;
CharStringByteSink sink(&keywords);
ulocimp_getKeywords(tmpLocaleID+1, '@', sink, FALSE, status);
if (U_FAILURE(*status)) {
return NULL;
}
return uloc_openKeywordList(keywords.data(), keywords.length(), status);
}
return NULL;
}
/* 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) {
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if (U_FAILURE(*err)) {
return;
}
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int32_t j, fieldCount=0, scriptSize=0, variantSize=0;
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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
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const char* origLocaleID;
const char* tmpLocaleID;
const char* keywordAssign = NULL;
const char* separatorIndicator = NULL;
if (_hasBCP47Extension(localeID)) {
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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));
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} else {
if (localeID==NULL) {
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 NULL */
if ((tmpLocaleID=locale_getKeywordsStart(tmpLocaleID))!=NULL) {
keywordAssign = uprv_strchr(tmpLocaleID, '=');
separatorIndicator = uprv_strchr(tmpLocaleID, ';');
}
/* Copy POSIX-style variant, if any [mr@FOO] */
if (!OPTION_SET(options, _ULOC_CANONICALIZE) &&
tmpLocaleID != NULL && keywordAssign == NULL) {
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!=NULL && keywordAssign==NULL) {
/* 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 != NULL) {
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!=NULL && keywordAssign!=NULL &&
(!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 == NULL)
localeID = uloc_getDefault();
lastUnderscore=uprv_strrchr(localeID, '_');
if(lastUnderscore!=NULL) {
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==NULL || U_FAILURE(*err)) {
return 0;
}
if(localeID==NULL) {
localeID=uloc_getDefault();
}
return ulocimp_getLanguage(localeID, NULL, *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==NULL || U_FAILURE(*err)) {
return 0;
}
if(localeID==NULL) {
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, NULL, *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==NULL || U_FAILURE(*err)) {
return 0;
}
if(localeID==NULL) {
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, NULL, *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==NULL || U_FAILURE(*err)) {
return 0;
}
if (_hasBCP47Extension(localeID)) {
ICU: Update to version 70.1
2021-10-28 06:15:28 +00:00
tmpLocaleID =_ConvertBCP47(localeID, tempBuffer, sizeof(tempBuffer), err, nullptr);
[Complex Text Layouts] Add third-party TextServer dependencies (ICU, HarfBuzz, Graphite).
2020-08-11 09:10:23 +00:00
} else {
if (localeID==NULL) {
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 == NULL)
{
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 == NULL)
{
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 == NULL && 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, NULL, NULL);
if (bcpType == NULL && 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 == NULL) {
// 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, NULL, NULL);
if (legacyType == NULL) {
// 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*/