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568 lines
21 KiB
Text
568 lines
21 KiB
Text
// tinygettext - A gettext replacement that works directly on .po files
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// Copyright (C) 2006 Ingo Ruhnke <grumbel@gmx.de>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// 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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// 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#include "language.hpp"
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#include <map>
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#include <assert.h>
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#include <vector>
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namespace tinygettext {
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struct LanguageSpec {
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/** Language code: "de", "en", ... */
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const char* language;
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/** Country code: "BR", "DE", ..., can be 0 */
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const char* country;
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/** Modifier/Varint: "Latn", "ije", "latin"..., can be 0 */
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const char* modifier;
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/** Language name: "German", "English", "French", ... */
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const char* name;
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};
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/** Language Definitions */
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//*{
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LanguageSpec languages[] = {
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{ "aa", 0, 0, "Afar" },
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{ "af", 0, 0, "Afrikaans" },
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{ "af", "ZA", 0, "Afrikaans (South Africa)" },
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{ "am", 0, 0, "Amharic" },
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{ "ar", 0, 0, "Arabic" },
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{ "ar", "AR", 0, "Arabic (Argentina)" },
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{ "ar", "OM", 0, "Arabic (Oman)" },
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{ "ar", "SA", 0, "Arabic (Saudi Arabia)" },
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{ "ar", "SY", 0, "Arabic (Syrian Arab Republic)" },
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{ "ar", "TN", 0, "Arabic (Tunisia)" },
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{ "as", 0, 0, "Assamese" },
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{ "ast",0, 0, "Asturian" },
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{ "ay", 0, 0, "Aymara" },
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{ "az", 0, 0, "Azerbaijani" },
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{ "az", "IR", 0, "Azerbaijani (Iran)" },
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{ "be", 0, 0, "Belarusian" },
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{ "be", 0, "latin", "Belarusian" },
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{ "bg", 0, 0, "Bulgarian" },
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{ "bg", "BG", 0, "Bulgarian (Bulgaria)" },
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{ "bn", 0, 0, "Bengali" },
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{ "bn", "BD", 0, "Bengali (Bangladesh)" },
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{ "bn", "IN", 0, "Bengali (India)" },
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{ "bo", 0, 0, "Tibetan" },
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{ "br", 0, 0, "Breton" },
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{ "bs", 0, 0, "Bosnian" },
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{ "bs", "BA", 0, "Bosnian (Bosnia/Herzegovina)"},
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{ "bs", "BS", 0, "Bosnian (Bahamas)" },
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{ "ca", "ES", "valencia", "Catalan (valencia)" },
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{ "ca", "ES", 0, "Catalan (Spain)" },
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{ "ca", 0, "valencia", "Catalan (valencia)" },
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{ "ca", 0, 0, "Catalan" },
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{ "co", 0, 0, "Corsican" },
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{ "cs", 0, 0, "Czech" },
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{ "cs", "CZ", 0, "Czech (Czech Republic)" },
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{ "cy", 0, 0, "Welsh" },
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{ "cy", "GB", 0, "Welsh (Great Britain)" },
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{ "cz", 0, 0, "Unknown language" },
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{ "da", 0, 0, "Danish" },
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{ "da", "DK", 0, "Danish (Denmark)" },
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{ "de", 0, 0, "German" },
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{ "de", "AT", 0, "German (Austria)" },
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{ "de", "CH", 0, "German (Switzerland)" },
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{ "de", "DE", 0, "German (Germany)" },
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{ "dk", 0, 0, "Unknown language" },
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{ "dz", 0, 0, "Dzongkha" },
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{ "el", 0, 0, "Greek" },
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{ "el", "GR", 0, "Greek (Greece)" },
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{ "en", 0, 0, "English" },
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{ "en", "AU", 0, "English (Australia)" },
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{ "en", "CA", 0, "English (Canada)" },
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{ "en", "GB", 0, "English (Great Britain)" },
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{ "en", "US", 0, "English (United States)" },
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{ "en", "ZA", 0, "English (South Africa)" },
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{ "en", 0, "boldquot", "English" },
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{ "en", 0, "quot", "English" },
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{ "en", "US", "piglatin", "English" },
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{ "eo", 0, 0, "Esperanto" },
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{ "es", 0, 0, "Spanish" },
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{ "es", "AR", 0, "Spanish (Argentina)" },
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{ "es", "CL", 0, "Spanish (Chile)" },
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{ "es", "CO", 0, "Spanish (Colombia)" },
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{ "es", "CR", 0, "Spanish (Costa Rica)" },
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{ "es", "DO", 0, "Spanish (Dominican Republic)"},
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{ "es", "EC", 0, "Spanish (Ecuador)" },
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{ "es", "ES", 0, "Spanish (Spain)" },
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{ "es", "GT", 0, "Spanish (Guatemala)" },
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{ "es", "HN", 0, "Spanish (Honduras)" },
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{ "es", "LA", 0, "Spanish (Laos)" },
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{ "es", "MX", 0, "Spanish (Mexico)" },
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{ "es", "NI", 0, "Spanish (Nicaragua)" },
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{ "es", "PA", 0, "Spanish (Panama)" },
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{ "es", "PE", 0, "Spanish (Peru)" },
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{ "es", "PR", 0, "Spanish (Puerto Rico)" },
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{ "es", "SV", 0, "Spanish (El Salvador)" },
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{ "es", "UY", 0, "Spanish (Uruguay)" },
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{ "es", "VE", 0, "Spanish (Venezuela)" },
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{ "et", 0, 0, "Estonian" },
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{ "et", "EE", 0, "Estonian (Estonia)" },
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{ "et", "ET", 0, "Estonian (Ethiopia)" },
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{ "eu", 0, 0, "Basque" },
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{ "eu", "ES", 0, "Basque (Spain)" },
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{ "fa", 0, 0, "Persian" },
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{ "fa", "AF", 0, "Persian (Afghanistan)" },
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{ "fa", "IR", 0, "Persian (Iran)" },
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{ "fi", 0, 0, "Finnish" },
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{ "fi", "FI", 0, "Finnish (Finland)" },
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{ "fo", 0, 0, "Faroese" },
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{ "fo", "FO", 0, "Faeroese (Faroe Islands)" },
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{ "fr", 0, 0, "French" },
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{ "fr", "CA", 0, "French (Canada)" },
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{ "fr", "CH", 0, "French (Switzerland)" },
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{ "fr", "FR", 0, "French (France)" },
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{ "fr", "LU", 0, "French (Luxembourg)" },
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{ "fy", 0, 0, "Frisian" },
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{ "ga", 0, 0, "Irish" },
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{ "gd", 0, 0, "Gaelic Scots" },
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{ "gl", 0, 0, "Galician" },
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{ "gl", "ES", 0, "Galician (Spain)" },
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{ "gn", 0, 0, "Guarani" },
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{ "gu", 0, 0, "Gujarati" },
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{ "gv", 0, 0, "Manx" },
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{ "ha", 0, 0, "Hausa" },
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{ "he", 0, 0, "Hebrew" },
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{ "he", "IL", 0, "Hebrew (Israel)" },
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{ "hi", 0, 0, "Hindi" },
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{ "hr", 0, 0, "Croatian" },
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{ "hr", "HR", 0, "Croatian (Croatia)" },
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{ "hu", 0, 0, "Hungarian" },
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{ "hu", "HU", 0, "Hungarian (Hungary)" },
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{ "hy", 0, 0, "Armenian" },
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{ "ia", 0, 0, "Interlingua" },
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{ "id", 0, 0, "Indonesian" },
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{ "id", "ID", 0, "Indonesian (Indonesia)" },
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{ "is", 0, 0, "Icelandic" },
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{ "is", "IS", 0, "Icelandic (Iceland)" },
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{ "it", 0, 0, "Italian" },
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{ "it", "CH", 0, "Italian (Switzerland)" },
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{ "it", "IT", 0, "Italian (Italy)" },
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{ "iu", 0, 0, "Inuktitut" },
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{ "ja", 0, 0, "Japanese" },
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{ "ja", "JP", 0, "Japanese (Japan)" },
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{ "ka", 0, 0, "Georgian" },
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{ "kk", 0, 0, "Kazakh" },
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{ "kl", 0, 0, "Kalaallisut" },
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{ "km", 0, 0, "Khmer" },
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{ "km", "KH", 0, "Khmer (Cambodia)" },
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{ "kn", 0, 0, "Kannada" },
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{ "ko", 0, 0, "Korean" },
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{ "ko", "KR", 0, "Korean (Korea)" },
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{ "ku", 0, 0, "Kurdish" },
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{ "kw", 0, 0, "Cornish" },
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{ "ky", 0, 0, "Kirghiz" },
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{ "la", 0, 0, "Latin" },
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{ "lo", 0, 0, "Lao" },
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{ "lt", 0, 0, "Lithuanian" },
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{ "lt", "LT", 0, "Lithuanian (Lithuania)" },
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{ "lv", 0, 0, "Latvian" },
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{ "lv", "LV", 0, "Latvian (Latvia)" },
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{ "mg", 0, 0, "Malagasy" },
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{ "mi", 0, 0, "Maori" },
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{ "mk", 0, 0, "Macedonian" },
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{ "mk", "MK", 0, "Macedonian (Macedonia)" },
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{ "ml", 0, 0, "Malayalam" },
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{ "mn", 0, 0, "Mongolian" },
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{ "mr", 0, 0, "Marathi" },
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{ "ms", 0, 0, "Malay" },
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{ "ms", "MY", 0, "Malay (Malaysia)" },
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{ "mt", 0, 0, "Maltese" },
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{ "my", 0, 0, "Burmese" },
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{ "my", "MM", 0, "Burmese (Myanmar)" },
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{ "nb", 0, 0, "Norwegian Bokmal" },
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{ "nb", "NO", 0, "Norwegian Bokm<6B>l (Norway)" },
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{ "ne", 0, 0, "Nepali" },
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{ "nl", 0, 0, "Dutch" },
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{ "nl", "BE", 0, "Dutch (Belgium)" },
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{ "nl", "NL", 0, "Dutch (Netherlands)" },
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{ "nn", 0, 0, "Norwegian Nynorsk" },
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{ "nn", "NO", 0, "Norwegian Nynorsk (Norway)" },
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{ "no", 0, 0, "Norwegian" },
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{ "no", "NO", 0, "Norwegian (Norway)" },
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{ "no", "NY", 0, "Norwegian (NY)" },
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{ "nr", 0, 0, "Ndebele, South" },
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{ "oc", 0, 0, "Occitan post 1500" },
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{ "om", 0, 0, "Oromo" },
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{ "or", 0, 0, "Oriya" },
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{ "pa", 0, 0, "Punjabi" },
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{ "pl", 0, 0, "Polish" },
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{ "pl", "PL", 0, "Polish (Poland)" },
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{ "ps", 0, 0, "Pashto" },
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{ "pt", 0, 0, "Portuguese" },
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{ "pt", "BR", 0, "Brazilian" },
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{ "pt", "PT", 0, "Portuguese (Portugal)" },
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{ "qu", 0, 0, "Quechua" },
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{ "rm", 0, 0, "Rhaeto-Romance" },
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{ "ro", 0, 0, "Romanian" },
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{ "ro", "RO", 0, "Romanian (Romania)" },
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{ "ru", 0, 0, "Russian" },
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{ "ru", "RU", 0, "Russian (Russia" },
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{ "rw", 0, 0, "Kinyarwanda" },
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{ "sa", 0, 0, "Sanskrit" },
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{ "sd", 0, 0, "Sindhi" },
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{ "se", 0, 0, "Sami" },
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{ "se", "NO", 0, "Sami (Norway)" },
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{ "si", 0, 0, "Sinhalese" },
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{ "sk", 0, 0, "Slovak" },
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{ "sk", "SK", 0, "Slovak (Slovakia)" },
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{ "sl", 0, 0, "Slovenian" },
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{ "sl", "SI", 0, "Slovenian (Slovenia)" },
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{ "sl", "SL", 0, "Slovenian (Sierra Leone)" },
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{ "sm", 0, 0, "Samoan" },
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{ "so", 0, 0, "Somali" },
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{ "sp", 0, 0, "Unknown language" },
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{ "sq", 0, 0, "Albanian" },
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{ "sq", "AL", 0, "Albanian (Albania)" },
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{ "sr", 0, 0, "Serbian" },
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{ "sr", "YU", 0, "Serbian (Yugoslavia)" },
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{ "sr", 0,"ije", "Serbian" },
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{ "sr", 0, "latin", "Serbian" },
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{ "sr", 0, "Latn", "Serbian" },
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{ "ss", 0, 0, "Swati" },
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{ "st", 0, 0, "Sotho" },
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{ "sv", 0, 0, "Swedish" },
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{ "sv", "SE", 0, "Swedish (Sweden)" },
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{ "sv", "SV", 0, "Swedish (El Salvador)" },
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{ "sw", 0, 0, "Swahili" },
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{ "ta", 0, 0, "Tamil" },
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{ "te", 0, 0, "Telugu" },
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{ "tg", 0, 0, "Tajik" },
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{ "th", 0, 0, "Thai" },
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{ "th", "TH", 0, "Thai (Thailand)" },
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{ "ti", 0, 0, "Tigrinya" },
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{ "tk", 0, 0, "Turkmen" },
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{ "tl", 0, 0, "Tagalog" },
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{ "to", 0, 0, "Tonga" },
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{ "tr", 0, 0, "Turkish" },
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{ "tr", "TR", 0, "Turkish (Turkey)" },
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{ "ts", 0, 0, "Tsonga" },
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{ "tt", 0, 0, "Tatar" },
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{ "ug", 0, 0, "Uighur" },
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{ "uk", 0, 0, "Ukrainian" },
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{ "uk", "UA", 0, "Ukrainian (Ukraine)" },
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{ "ur", 0, 0, "Urdu" },
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{ "ur", "PK", 0, "Urdu (Pakistan)" },
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{ "uz", 0, 0, "Uzbek" },
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{ "uz", 0, "cyrillic", "Uzbek" },
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{ "vi", 0, 0, "Vietnamese" },
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{ "vi", "VN", 0, "Vietnamese (Vietnam)" },
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{ "wa", 0, 0, "Walloon" },
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{ "wo", 0, 0, "Wolof" },
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{ "xh", 0, 0, "Xhosa" },
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{ "yi", 0, 0, "Yiddish" },
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{ "yo", 0, 0, "Yoruba" },
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{ "zh", 0, 0, "Chinese" },
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{ "zh", "CN", 0, "Chinese (simplified)" },
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{ "zh", "HK", 0, "Chinese (Hong Kong)" },
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{ "zh", "TW", 0, "Chinese (traditional)" },
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{ "zu", 0, 0, "Zulu" },
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{ NULL, 0, 0, NULL }
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};
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//*}
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std::string
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resolve_language_alias(const std::string& name)
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{
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typedef std::map<std::string, std::string> Aliases;
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static Aliases language_aliases;
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if (language_aliases.empty())
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{
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// FIXME: Many of those are not useful for us, since we leave
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// encoding to the app, not to the language, we could/should
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// also match against all language names, not just aliases from
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// locale.alias
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// Aliases taken from /etc/locale.alias
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language_aliases["bokmal"] = "nb_NO.ISO-8859-1";
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language_aliases["bokm<6B>l"] = "nb_NO.ISO-8859-1";
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language_aliases["catalan"] = "ca_ES.ISO-8859-1";
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language_aliases["croatian"] = "hr_HR.ISO-8859-2";
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language_aliases["czech"] = "cs_CZ.ISO-8859-2";
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language_aliases["danish"] = "da_DK.ISO-8859-1";
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language_aliases["dansk"] = "da_DK.ISO-8859-1";
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language_aliases["deutsch"] = "de_DE.ISO-8859-1";
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language_aliases["dutch"] = "nl_NL.ISO-8859-1";
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language_aliases["eesti"] = "et_EE.ISO-8859-1";
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language_aliases["estonian"] = "et_EE.ISO-8859-1";
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language_aliases["finnish"] = "fi_FI.ISO-8859-1";
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language_aliases["fran<61>ais"] = "fr_FR.ISO-8859-1";
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language_aliases["french"] = "fr_FR.ISO-8859-1";
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language_aliases["galego"] = "gl_ES.ISO-8859-1";
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language_aliases["galician"] = "gl_ES.ISO-8859-1";
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language_aliases["german"] = "de_DE.ISO-8859-1";
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language_aliases["greek"] = "el_GR.ISO-8859-7";
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language_aliases["hebrew"] = "he_IL.ISO-8859-8";
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language_aliases["hrvatski"] = "hr_HR.ISO-8859-2";
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language_aliases["hungarian"] = "hu_HU.ISO-8859-2";
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language_aliases["icelandic"] = "is_IS.ISO-8859-1";
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language_aliases["italian"] = "it_IT.ISO-8859-1";
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language_aliases["japanese"] = "ja_JP.eucJP";
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language_aliases["japanese.euc"] = "ja_JP.eucJP";
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language_aliases["ja_JP"] = "ja_JP.eucJP";
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language_aliases["ja_JP.ujis"] = "ja_JP.eucJP";
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language_aliases["japanese.sjis"] = "ja_JP.SJIS";
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language_aliases["korean"] = "ko_KR.eucKR";
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language_aliases["korean.euc"] = "ko_KR.eucKR";
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language_aliases["ko_KR"] = "ko_KR.eucKR";
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language_aliases["lithuanian"] = "lt_LT.ISO-8859-13";
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language_aliases["no_NO"] = "nb_NO.ISO-8859-1";
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language_aliases["no_NO.ISO-8859-1"] = "nb_NO.ISO-8859-1";
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language_aliases["norwegian"] = "nb_NO.ISO-8859-1";
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language_aliases["nynorsk"] = "nn_NO.ISO-8859-1";
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language_aliases["polish"] = "pl_PL.ISO-8859-2";
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language_aliases["portuguese"] = "pt_PT.ISO-8859-1";
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language_aliases["romanian"] = "ro_RO.ISO-8859-2";
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language_aliases["russian"] = "ru_RU.ISO-8859-5";
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language_aliases["slovak"] = "sk_SK.ISO-8859-2";
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language_aliases["slovene"] = "sl_SI.ISO-8859-2";
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language_aliases["slovenian"] = "sl_SI.ISO-8859-2";
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language_aliases["spanish"] = "es_ES.ISO-8859-1";
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language_aliases["swedish"] = "sv_SE.ISO-8859-1";
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language_aliases["thai"] = "th_TH.TIS-620";
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language_aliases["turkish"] = "tr_TR.ISO-8859-9";
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}
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std::string name_lowercase;
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name_lowercase.resize(name.size());
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for(std::string::size_type i = 0; i < name.size(); ++i)
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name_lowercase[i] = static_cast<char>(tolower(name[i]));
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Aliases::iterator i = language_aliases.find(name_lowercase);
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if (i != language_aliases.end())
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{
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return i->second;
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}
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else
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{
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return name;
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}
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}
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Language
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Language::from_spec(const std::string& language, const std::string& country, const std::string& modifier)
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{
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static std::map<std::string, std::vector<LanguageSpec*> > language_map;
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if (language_map.empty())
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{ // Init language_map
|
||
for(int i = 0; languages[i].language != NULL; ++i)
|
||
language_map[languages[i].language].push_back(&languages[i]);
|
||
}
|
||
|
||
std::map<std::string, std::vector<LanguageSpec*> >::iterator i = language_map.find(language);
|
||
if (i != language_map.end())
|
||
{
|
||
std::vector<LanguageSpec*>& lst = i->second;
|
||
|
||
LanguageSpec tmpspec;
|
||
tmpspec.language = language.c_str();
|
||
tmpspec.country = country.c_str();
|
||
tmpspec.modifier = modifier.c_str();
|
||
Language tmplang(&tmpspec);
|
||
|
||
LanguageSpec* best_match = 0;
|
||
int best_match_score = 0;
|
||
for(std::vector<LanguageSpec*>::iterator j = lst.begin(); j != lst.end(); ++j)
|
||
{ // Search for the language that best matches the given spec, value country more then modifier
|
||
int score = Language::match(Language(*j), tmplang);
|
||
|
||
if (score > best_match_score)
|
||
{
|
||
best_match = *j;
|
||
best_match_score = score;
|
||
}
|
||
}
|
||
assert(best_match);
|
||
return Language(best_match);
|
||
}
|
||
else
|
||
{
|
||
return Language();
|
||
}
|
||
}
|
||
|
||
Language
|
||
Language::from_name(const std::string& spec_str)
|
||
{
|
||
return from_env(resolve_language_alias(spec_str));
|
||
}
|
||
|
||
Language
|
||
Language::from_env(const std::string& env)
|
||
{
|
||
// Split LANGUAGE_COUNTRY.CODESET@MODIFIER into parts
|
||
std::string::size_type ln = env.find('_');
|
||
std::string::size_type dt = env.find('.');
|
||
std::string::size_type at = env.find('@');
|
||
|
||
std::string language;
|
||
std::string country;
|
||
std::string codeset;
|
||
std::string modifier;
|
||
|
||
//std::cout << ln << " " << dt << " " << at << std::endl;
|
||
|
||
language = env.substr(0, std::min(std::min(ln, dt), at));
|
||
|
||
if (ln != std::string::npos && ln+1 < env.size()) // _
|
||
{
|
||
country = env.substr(ln+1, (std::min(dt, at) == std::string::npos) ? std::string::npos : std::min(dt, at) - (ln+1));
|
||
}
|
||
|
||
if (dt != std::string::npos && dt+1 < env.size()) // .
|
||
{
|
||
codeset = env.substr(dt+1, (at == std::string::npos) ? std::string::npos : (at - (dt+1)));
|
||
}
|
||
|
||
if (at != std::string::npos && at+1 < env.size()) // @
|
||
{
|
||
modifier = env.substr(at+1);
|
||
}
|
||
|
||
return from_spec(language, country, modifier);
|
||
}
|
||
|
||
Language::Language(LanguageSpec* language_spec_)
|
||
: language_spec(language_spec_)
|
||
{
|
||
}
|
||
|
||
Language::Language()
|
||
: language_spec(0)
|
||
{
|
||
}
|
||
|
||
int
|
||
Language::match(const Language& lhs, const Language& rhs)
|
||
{
|
||
if (lhs.get_language() != rhs.get_language())
|
||
{
|
||
return 0;
|
||
}
|
||
else
|
||
{
|
||
static int match_tbl[3][3] = {
|
||
// modifier match, wildchard, miss
|
||
{ 9, 8, 5 }, // country match
|
||
{ 7, 6, 3 }, // country wildcard
|
||
{ 4, 2, 1 }, // country miss
|
||
};
|
||
|
||
int c;
|
||
if (lhs.get_country() == rhs.get_country())
|
||
c = 0;
|
||
else if (lhs.get_country().empty() || rhs.get_country().empty())
|
||
c = 1;
|
||
else
|
||
c = 2;
|
||
|
||
int m;
|
||
if (lhs.get_modifier() == rhs.get_modifier())
|
||
m = 0;
|
||
else if (lhs.get_modifier().empty() || rhs.get_modifier().empty())
|
||
m = 1;
|
||
else
|
||
m = 2;
|
||
|
||
return match_tbl[c][m];
|
||
}
|
||
}
|
||
|
||
std::string
|
||
Language::get_language() const
|
||
{
|
||
if (language_spec)
|
||
return language_spec->language;
|
||
else
|
||
return "";
|
||
}
|
||
|
||
std::string
|
||
Language::get_country() const
|
||
{
|
||
if (language_spec && language_spec->country)
|
||
return language_spec->country;
|
||
else
|
||
return "";
|
||
}
|
||
|
||
std::string
|
||
Language::get_modifier() const
|
||
{
|
||
if (language_spec && language_spec->modifier)
|
||
return language_spec->modifier;
|
||
else
|
||
return "";
|
||
}
|
||
|
||
std::string
|
||
Language::get_name() const
|
||
{
|
||
if (language_spec)
|
||
return language_spec->name;
|
||
else
|
||
return "";
|
||
}
|
||
|
||
std::string
|
||
Language::str() const
|
||
{
|
||
if (language_spec)
|
||
{
|
||
std::string var;
|
||
var += language_spec->language;
|
||
if (language_spec->country)
|
||
{
|
||
var += "_";
|
||
var += language_spec->country;
|
||
}
|
||
|
||
if (language_spec->modifier)
|
||
{
|
||
var += "@";
|
||
var += language_spec->modifier;
|
||
}
|
||
return var;
|
||
}
|
||
else
|
||
{
|
||
return "";
|
||
}
|
||
}
|
||
|
||
bool
|
||
Language::operator==(const Language& rhs) const
|
||
{
|
||
return language_spec == rhs.language_spec;
|
||
}
|
||
|
||
bool
|
||
Language::operator!=(const Language& rhs) const
|
||
{
|
||
return language_spec != rhs.language_spec;
|
||
}
|
||
|
||
} // namespace tinygettext
|
||
|
||
/* EOF */
|