451 lines
18 KiB
C++
451 lines
18 KiB
C++
/* GRAPHITE2 LICENSING
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Copyright 2010, SIL International
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All rights reserved.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published
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by the Free Software Foundation; either version 2.1 of License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should also have received a copy of the GNU Lesser General Public
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License along with this library in the file named "LICENSE".
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If not, write to the Free Software Foundation, 51 Franklin Street,
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Suite 500, Boston, MA 02110-1335, USA or visit their web page on the
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internet at http://www.fsf.org/licenses/lgpl.html.
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Alternatively, the contents of this file may be used under the terms of the
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Mozilla Public License (http://mozilla.org/MPL) or the GNU General Public
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License, as published by the Free Software Foundation, either version 2
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of the License or (at your option) any later version.
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*/
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#pragma once
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#include <cstring>
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#include <cassert>
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#include "inc/Main.h"
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namespace graphite2 {
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struct IsoLangEntry
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{
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unsigned short mnLang;
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char maLangStr[4];
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char maCountry[3];
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};
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// Windows Language ID, Locale ISO-639 language, country code as used in
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// naming table of OpenType fonts
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const IsoLangEntry LANG_ENTRIES[] = {
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{ 0x0401, "ar","SA" }, // Arabic Saudi Arabia
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{ 0x0402, "bg","BG" }, // Bulgarian Bulgaria
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{ 0x0403, "ca","ES" }, // Catalan Catalan
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{ 0x0404, "zh","TW" }, // Chinese Taiwan
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{ 0x0405, "cs","CZ" }, // Czech Czech Republic
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{ 0x0406, "da","DK" }, // Danish Denmark
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{ 0x0407, "de","DE" }, // German Germany
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{ 0x0408, "el","GR" }, // Greek Greece
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{ 0x0409, "en","US" }, // English United States
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{ 0x040A, "es","ES" }, // Spanish (Traditional Sort) Spain
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{ 0x040B, "fi","FI" }, // Finnish Finland
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{ 0x040C, "fr","FR" }, // French France
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{ 0x040D, "he","IL" }, // Hebrew Israel
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{ 0x040E, "hu","HU" }, // Hungarian Hungary
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{ 0x040F, "is","IS" }, // Icelandic Iceland
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{ 0x0410, "it","IT" }, // Italian Italy
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{ 0x0411, "jp","JP" }, // Japanese Japan
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{ 0x0412, "ko","KR" }, // Korean Korea
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{ 0x0413, "nl","NL" }, // Dutch Netherlands
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{ 0x0414, "no","NO" }, // Norwegian (Bokmal) Norway
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{ 0x0415, "pl","PL" }, // Polish Poland
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{ 0x0416, "pt","BR" }, // Portuguese Brazil
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{ 0x0417, "rm","CH" }, // Romansh Switzerland
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{ 0x0418, "ro","RO" }, // Romanian Romania
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{ 0x0419, "ru","RU" }, // Russian Russia
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{ 0x041A, "hr","HR" }, // Croatian Croatia
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{ 0x041B, "sk","SK" }, // Slovak Slovakia
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{ 0x041C, "sq","AL" }, // Albanian Albania
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{ 0x041D, "sv","SE" }, // Swedish Sweden
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{ 0x041E, "th","TH" }, // Thai Thailand
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{ 0x041F, "tr","TR" }, // Turkish Turkey
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{ 0x0420, "ur","PK" }, // Urdu Islamic Republic of Pakistan
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{ 0x0421, "id","ID" }, // Indonesian Indonesia
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{ 0x0422, "uk","UA" }, // Ukrainian Ukraine
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{ 0x0423, "be","BY" }, // Belarusian Belarus
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{ 0x0424, "sl","SI" }, // Slovenian Slovenia
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{ 0x0425, "et","EE" }, // Estonian Estonia
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{ 0x0426, "lv","LV" }, // Latvian Latvia
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{ 0x0427, "lt","LT" }, // Lithuanian Lithuania
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{ 0x0428, "tg","TJ" }, // Tajik (Cyrillic) Tajikistan
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{ 0x042A, "vi","VN" }, // Vietnamese Vietnam
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{ 0x042B, "hy","AM" }, // Armenian Armenia
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{ 0x042C, "az","AZ" }, // Azeri (Latin) Azerbaijan
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{ 0x042D, "eu","" }, // Basque Basque
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{ 0x042E, "hsb","DE" }, // Upper Sorbian Germany
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{ 0x042F, "mk","MK" }, // Macedonian (FYROM) Former Yugoslav Republic of Macedonia
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{ 0x0432, "tn","ZA" }, // Setswana South Africa
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{ 0x0434, "xh","ZA" }, // isiXhosa South Africa
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{ 0x0435, "zu","ZA" }, // isiZulu South Africa
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{ 0x0436, "af","ZA" }, // Afrikaans South Africa
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{ 0x0437, "ka","GE" }, // Georgian Georgia
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{ 0x0438, "fo","FO" }, // Faroese Faroe Islands
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{ 0x0439, "hi","IN" }, // Hindi India
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{ 0x043A, "mt","MT" }, // Maltese Malta
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{ 0x043B, "se","NO" }, // Sami (Northern) Norway
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{ 0x043E, "ms","MY" }, // Malay Malaysia
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{ 0x043F, "kk","KZ" }, // Kazakh Kazakhstan
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{ 0x0440, "ky","KG" }, // Kyrgyz Kyrgyzstan
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{ 0x0441, "sw","KE" }, // Kiswahili Kenya
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{ 0x0442, "tk","TM" }, // Turkmen Turkmenistan
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{ 0x0443, "uz","UZ" }, // Uzbek (Latin) Uzbekistan
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{ 0x0444, "tt","RU" }, // Tatar Russia
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{ 0x0445, "bn","IN" }, // Bengali India
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{ 0x0446, "pa","IN" }, // Punjabi India
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{ 0x0447, "gu","IN" }, // Gujarati India
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{ 0x0448, "or","IN" }, // Oriya India
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{ 0x0448, "wo","SN" }, // Wolof Senegal
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{ 0x0449, "ta","IN" }, // Tamil India
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{ 0x044A, "te","IN" }, // Telugu India
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{ 0x044B, "kn","IN" }, // Kannada India
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{ 0x044C, "ml","IN" }, // Malayalam India
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{ 0x044D, "as","IN" }, // Assamese India
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{ 0x044E, "mr","IN" }, // Marathi India
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{ 0x044F, "sa","IN" }, // Sanskrit India
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{ 0x0450, "mn","MN" }, // Mongolian (Cyrillic) Mongolia
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{ 0x0451, "bo","CN" }, // Tibetan PRC
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{ 0x0452, "cy","GB" }, // Welsh United Kingdom
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{ 0x0453, "km","KH" }, // Khmer Cambodia
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{ 0x0454, "lo","LA" }, // Lao Lao P.D.R.
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{ 0x0455, "my","MM" }, // Burmese Myanmar - not listed in Microsoft docs anymore
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{ 0x0456, "gl","ES" }, // Galician Galician
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{ 0x0457, "kok","IN" }, // Konkani India
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{ 0x045A, "syr","TR" }, // Syriac Syria
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{ 0x045B, "si","LK" }, // Sinhala Sri Lanka
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{ 0x045D, "iu","CA" }, // Inuktitut Canada
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{ 0x045E, "am","ET" }, // Amharic Ethiopia
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{ 0x0461, "ne","NP" }, // Nepali Nepal
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{ 0x0462, "fy","NL" }, // Frisian Netherlands
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{ 0x0463, "ps","AF" }, // Pashto Afghanistan
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{ 0x0464, "fil","PH" }, // Filipino Philippines
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{ 0x0465, "dv","MV" }, // Divehi Maldives
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{ 0x0468, "ha","NG" }, // Hausa (Latin) Nigeria
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{ 0x046A, "yo","NG" }, // Yoruba Nigeria
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{ 0x046B, "qu","BO" }, // Quechua Bolivia
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{ 0x046C, "st","ZA" }, // Sesotho sa Leboa South Africa
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{ 0x046D, "ba","RU" }, // Bashkir Russia
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{ 0x046E, "lb","LU" }, // Luxembourgish Luxembourg
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{ 0x046F, "kl","GL" }, // Greenlandic Greenland
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{ 0x0470, "ig","NG" }, // Igbo Nigeria
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{ 0x0478, "ii","CN" }, // Yi PRC
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{ 0x047A, "arn","CL" }, // Mapudungun Chile
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{ 0x047C, "moh","CA" }, // Mohawk Mohawk
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{ 0x047E, "br","FR" }, // Breton France
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{ 0x0480, "ug","CN" }, // Uighur PRC
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{ 0x0481, "mi","NZ" }, // Maori New Zealand
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{ 0x0482, "oc","FR" }, // Occitan France
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{ 0x0483, "co","FR" }, // Corsican France
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{ 0x0484, "gsw","FR" }, // Alsatian France
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{ 0x0485, "sah","RU" }, // Yakut Russia
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{ 0x0486, "qut","GT" }, // K'iche Guatemala
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{ 0x0487, "rw","RW" }, // Kinyarwanda Rwanda
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{ 0x048C, "gbz","AF" }, // Dari Afghanistan
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{ 0x0801, "ar","IQ" }, // Arabic Iraq
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{ 0x0804, "zn","CH" }, // Chinese People's Republic of China
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{ 0x0807, "de","CH" }, // German Switzerland
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{ 0x0809, "en","GB" }, // English United Kingdom
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{ 0x080A, "es","MX" }, // Spanish Mexico
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{ 0x080C, "fr","BE" }, // French Belgium
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{ 0x0810, "it","CH" }, // Italian Switzerland
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{ 0x0813, "nl","BE" }, // Dutch Belgium
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{ 0x0814, "nn","NO" }, // Norwegian (Nynorsk) Norway
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{ 0x0816, "pt","PT" }, // Portuguese Portugal
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{ 0x081A, "sh","RS" }, // Serbian (Latin) Serbia
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{ 0x081D, "sv","FI" }, // Sweden Finland
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{ 0x082C, "az","AZ" }, // Azeri (Cyrillic) Azerbaijan
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{ 0x082E, "dsb","DE" }, // Lower Sorbian Germany
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{ 0x083B, "se","SE" }, // Sami (Northern) Sweden
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{ 0x083C, "ga","IE" }, // Irish Ireland
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{ 0x083E, "ms","BN" }, // Malay Brunei Darussalam
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{ 0x0843, "uz","UZ" }, // Uzbek (Cyrillic) Uzbekistan
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{ 0x0845, "bn","BD" }, // Bengali Bangladesh
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{ 0x0850, "mn","MN" }, // Mongolian (Traditional) People's Republic of China
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{ 0x085D, "iu","CA" }, // Inuktitut (Latin) Canada
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{ 0x085F, "ber","DZ" }, // Tamazight (Latin) Algeria
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{ 0x086B, "es","EC" }, // Quechua Ecuador
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{ 0x0C01, "ar","EG" }, // Arabic Egypt
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{ 0x0C04, "zh","HK" }, // Chinese Hong Kong S.A.R.
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{ 0x0C07, "de","AT" }, // German Austria
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{ 0x0C09, "en","AU" }, // English Australia
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{ 0x0C0A, "es","ES" }, // Spanish (Modern Sort) Spain
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{ 0x0C0C, "fr","CA" }, // French Canada
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{ 0x0C1A, "sr","CS" }, // Serbian (Cyrillic) Serbia
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{ 0x0C3B, "se","FI" }, // Sami (Northern) Finland
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{ 0x0C6B, "qu","PE" }, // Quechua Peru
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{ 0x1001, "ar","LY" }, // Arabic Libya
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{ 0x1004, "zh","SG" }, // Chinese Singapore
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{ 0x1007, "de","LU" }, // German Luxembourg
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{ 0x1009, "en","CA" }, // English Canada
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{ 0x100A, "es","GT" }, // Spanish Guatemala
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{ 0x100C, "fr","CH" }, // French Switzerland
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{ 0x101A, "hr","BA" }, // Croatian (Latin) Bosnia and Herzegovina
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{ 0x103B, "smj","NO" }, // Sami (Lule) Norway
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{ 0x1401, "ar","DZ" }, // Arabic Algeria
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{ 0x1404, "zh","MO" }, // Chinese Macao S.A.R.
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{ 0x1407, "de","LI" }, // German Liechtenstein
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{ 0x1409, "en","NZ" }, // English New Zealand
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{ 0x140A, "es","CR" }, // Spanish Costa Rica
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{ 0x140C, "fr","LU" }, // French Luxembourg
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{ 0x141A, "bs","BA" }, // Bosnian (Latin) Bosnia and Herzegovina
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{ 0x143B, "smj","SE" }, // Sami (Lule) Sweden
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{ 0x1801, "ar","MA" }, // Arabic Morocco
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{ 0x1809, "en","IE" }, // English Ireland
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{ 0x180A, "es","PA" }, // Spanish Panama
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{ 0x180C, "fr","MC" }, // French Principality of Monoco
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{ 0x181A, "sh","BA" }, // Serbian (Latin) Bosnia and Herzegovina
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{ 0x183B, "sma","NO" }, // Sami (Southern) Norway
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{ 0x1C01, "ar","TN" }, // Arabic Tunisia
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{ 0x1C09, "en","ZA" }, // English South Africa
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{ 0x1C0A, "es","DO" }, // Spanish Dominican Republic
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{ 0x1C1A, "sr","BA" }, // Serbian (Cyrillic) Bosnia and Herzegovina
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{ 0x1C3B, "sma","SE" }, // Sami (Southern) Sweden
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{ 0x2001, "ar","OM" }, // Arabic Oman
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{ 0x2009, "en","JM" }, // English Jamaica
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{ 0x200A, "es","VE" }, // Spanish Venezuela
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{ 0x201A, "bs","BA" }, // Bosnian (Cyrillic) Bosnia and Herzegovina
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{ 0x203B, "sms","FI" }, // Sami (Skolt) Finland
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{ 0x2401, "ar","YE" }, // Arabic Yemen
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{ 0x2409, "en","BS" }, // English Caribbean
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{ 0x240A, "es","CO" }, // Spanish Colombia
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{ 0x243B, "smn","FI" }, // Sami (Inari) Finland
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{ 0x2801, "ar","SY" }, // Arabic Syria
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{ 0x2809, "en","BZ" }, // English Belize
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{ 0x280A, "es","PE" }, // Spanish Peru
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{ 0x2C01, "ar","JO" }, // Arabic Jordan
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{ 0x2C09, "en","TT" }, // English Trinidad and Tobago
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{ 0x2C0A, "es","AR" }, // Spanish Argentina
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{ 0x3001, "ar","LB" }, // Arabic Lebanon
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{ 0x3009, "en","ZW" }, // English Zimbabwe
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{ 0x300A, "es","EC" }, // Spanish Ecuador
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{ 0x3401, "ar","KW" }, // Arabic Kuwait
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{ 0x3409, "en","PH" }, // English Republic of the Philippines
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{ 0x340A, "es","CL" }, // Spanish Chile
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{ 0x3801, "ar","AE" }, // Arabic U.A.E.
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{ 0x380A, "es","UY" }, // Spanish Uruguay
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{ 0x3C01, "ar","BH" }, // Arabic Bahrain
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{ 0x3C0A, "es","PY" }, // Spanish Paraguay
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{ 0x4001, "ar","QA" }, // Arabic Qatar
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{ 0x4009, "en","IN" }, // English India
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{ 0x400A, "es","BO" }, // Spanish Bolivia
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{ 0x4409, "en","MY" }, // English Malaysia
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{ 0x440A, "es","SV" }, // Spanish El Salvador
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{ 0x4809, "en","SG" }, // English Singapore
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{ 0x480A, "es","HN" }, // Spanish Honduras
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{ 0x4C0A, "es","NI" }, // Spanish Nicaragua
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{ 0x500A, "es","PR" }, // Spanish Puerto Rico
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{ 0x540A, "es","US" } // Spanish United States
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};
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class Locale2Lang
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{
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Locale2Lang(const Locale2Lang &);
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Locale2Lang & operator = (const Locale2Lang &);
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public:
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Locale2Lang() : mSeedPosition(128)
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{
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memset((void*)mLangLookup, 0, sizeof(mLangLookup));
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// create a tri lookup on first 2 letters of language code
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static const int maxIndex = sizeof(LANG_ENTRIES)/sizeof(IsoLangEntry);
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for (int i = 0; i < maxIndex; i++)
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{
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size_t a = LANG_ENTRIES[i].maLangStr[0] - 'a';
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size_t b = LANG_ENTRIES[i].maLangStr[1] - 'a';
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if (mLangLookup[a][b])
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{
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const IsoLangEntry ** old = mLangLookup[a][b];
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int len = 1;
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while (old[len]) len++;
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len += 2;
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mLangLookup[a][b] = gralloc<const IsoLangEntry *>(len);
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if (!mLangLookup[a][b])
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{
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mLangLookup[a][b] = old;
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continue;
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}
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mLangLookup[a][b][--len] = NULL;
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mLangLookup[a][b][--len] = &LANG_ENTRIES[i];
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while (--len >= 0)
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{
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assert(len >= 0);
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mLangLookup[a][b][len] = old[len];
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}
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free(old);
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}
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else
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{
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mLangLookup[a][b] = gralloc<const IsoLangEntry *>(2);
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if (!mLangLookup[a][b]) continue;
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mLangLookup[a][b][1] = NULL;
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mLangLookup[a][b][0] = &LANG_ENTRIES[i];
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}
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}
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while (2 * mSeedPosition < maxIndex)
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mSeedPosition *= 2;
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};
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~Locale2Lang()
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{
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for (int i = 0; i != 26; ++i)
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for (int j = 0; j != 26; ++j)
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free(mLangLookup[i][j]);
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}
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unsigned short getMsId(const char * locale) const
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{
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size_t length = strlen(locale);
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size_t langLength = length;
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const char * language = locale;
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const char * script = NULL;
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const char * region = NULL;
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size_t regionLength = 0;
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const char * dash = strchr(locale, '-');
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if (dash && (dash != locale))
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{
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langLength = (dash - locale);
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size_t nextPartLength = length - langLength - 1;
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if (nextPartLength >= 2)
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{
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script = ++dash;
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dash = strchr(dash, '-');
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if (dash)
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{
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nextPartLength = (dash - script);
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region = ++dash;
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}
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if (nextPartLength == 2 &&
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(locale[langLength+1] > 0x40) && (locale[langLength+1] < 0x5B) &&
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(locale[langLength+2] > 0x40) && (locale[langLength+2] < 0x5B))
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{
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region = script;
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regionLength = nextPartLength;
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script = NULL;
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}
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else if (nextPartLength == 4)
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{
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if (dash)
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{
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dash = strchr(dash, '-');
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if (dash)
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{
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nextPartLength = (dash - region);
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}
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else
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{
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nextPartLength = langLength - (region - locale);
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}
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regionLength = nextPartLength;
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}
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}
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}
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}
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size_t a = 'e' - 'a';
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size_t b = 'n' - 'a';
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unsigned short langId = 0;
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int i = 0;
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switch (langLength)
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{
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case 2:
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{
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a = language[0] - 'a';
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b = language[1] - 'a';
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if ((a < 26) && (b < 26) && mLangLookup[a][b])
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{
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while (mLangLookup[a][b][i])
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{
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if (mLangLookup[a][b][i]->maLangStr[2] != '\0')
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{
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++i;
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continue;
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}
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if (region && (strncmp(mLangLookup[a][b][i]->maCountry, region, regionLength) == 0))
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{
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langId = mLangLookup[a][b][i]->mnLang;
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break;
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}
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else if (langId == 0)
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{
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// possible fallback code
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langId = mLangLookup[a][b][i]->mnLang;
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}
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++i;
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}
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}
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}
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break;
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case 3:
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{
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a = language[0] - 'a';
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b = language[1] - 'a';
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if (mLangLookup[a][b])
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{
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while (mLangLookup[a][b][i])
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{
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if (mLangLookup[a][b][i]->maLangStr[2] != language[2])
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{
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++i;
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continue;
|
|
}
|
|
if (region && (strncmp(mLangLookup[a][b][i]->maCountry, region, regionLength) == 0))
|
|
{
|
|
langId = mLangLookup[a][b][i]->mnLang;
|
|
break;
|
|
}
|
|
else if (langId == 0)
|
|
{
|
|
// possible fallback code
|
|
langId = mLangLookup[a][b][i]->mnLang;
|
|
}
|
|
++i;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
if (langId == 0) langId = 0x409;
|
|
return langId;
|
|
}
|
|
const IsoLangEntry * findEntryById(unsigned short langId) const
|
|
{
|
|
static const int maxIndex = sizeof(LANG_ENTRIES)/sizeof(IsoLangEntry);
|
|
int window = mSeedPosition;
|
|
int guess = mSeedPosition - 1;
|
|
while (LANG_ENTRIES[guess].mnLang != langId)
|
|
{
|
|
window /= 2;
|
|
if (window == 0) return NULL;
|
|
guess += (LANG_ENTRIES[guess].mnLang > langId)? -window : window;
|
|
while (guess >= maxIndex)
|
|
{
|
|
window /= 2;
|
|
guess -= window;
|
|
assert(window);
|
|
}
|
|
}
|
|
return &LANG_ENTRIES[guess];
|
|
}
|
|
|
|
CLASS_NEW_DELETE;
|
|
|
|
private:
|
|
const IsoLangEntry ** mLangLookup[26][26];
|
|
int mSeedPosition;
|
|
};
|
|
|
|
} // namespace graphite2
|