120 lines
6.7 KiB
C++
120 lines
6.7 KiB
C++
// tinygettext - A gettext replacement that works directly on .po files
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// Copyright (C) 2006-2015 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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#ifndef SERVER_ONLY
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#include "plural_forms.hpp"
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#include <map>
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namespace tinygettext {
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/**
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* Plural functions are used to select a string that matches a given
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* count. \a n is the count and the return value is the string index
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* used in the .po file, for example:
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*
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* msgstr[0] = "You got %d error";
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* msgstr[1] = "You got %d errors";
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* ^-- return value of plural function
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*/
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// Base on Unicode CLDR (http://mlocati.github.io/cldr-to-gettext-plural-rules/)
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unsigned int plural1(int ) { return 0; }
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unsigned int plural2_1(int n) { return (n != 1); }
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unsigned int plural2_2(int n) { return (n > 1); }
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unsigned int plural2_is(int n) { return n % 10 != 1 || n % 100 == 11; }
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unsigned int plural2_mk(int n) { return n==1 || n%10==1 ? 0 : 1; }
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unsigned int plural3_be(int n) { return static_cast<unsigned int>(n % 10 == 1 && n % 100 != 11) ? 0 : ((n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % 100 > 14)) ? 1 : 2); }
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unsigned int plural3_kw(int n) { return static_cast<unsigned int>(n == 1) ? 0 : ((n == 2) ? 1 : 2); }
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unsigned int plural3_lv(int n) { return static_cast<unsigned int>(n % 10 == 0 || (n % 100 >= 11 && n % 100 <= 19)) ? 0 : ((n % 10 == 1 && n % 100 != 11) ? 1 : 2); }
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unsigned int plural3_lt(int n) { return static_cast<unsigned int>(n % 10 == 1 && (n % 100 < 11 || n % 100 > 19)) ? 0 : ((n % 10 >= 2 && n % 10 <= 9 && (n % 100 < 11 || n % 100 > 19)) ? 1 : 2); }
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unsigned int plural3_pl(int n) { return static_cast<unsigned int>(n == 1) ? 0 : ((n % 10 >= 2 && n % 10 <= 4 && (n % 100 < 12 || n % 100 > 14)) ? 1 : 2); }
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unsigned int plural3_ro(int n) { return static_cast<unsigned int>(n == 1) ? 0 : ((n == 0 || (n != 1 && n % 100 >= 1 && n % 100 <= 19)) ? 1 : 2); }
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unsigned int plural3_sk(int n) { return static_cast<unsigned int>(n == 1) ? 0 : ((n >= 2 && n <= 4) ? 1 : 2); }
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unsigned int plural4_gd(int n) { return static_cast<unsigned int>(n == 1 || n == 11) ? 0 : ((n == 2 || n == 12) ? 1 : (((n >= 3 && n <= 10) || (n >= 13 && n <= 19)) ? 2 : 3)); }
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unsigned int plural4_sl(int n) { return static_cast<unsigned int>(n % 100 == 1) ? 0 : ((n % 100 == 2) ? 1 : ((n % 100 == 3 || n % 100 == 4) ? 2 : 3)); }
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unsigned int plural5_ga(int n) { return static_cast<unsigned int>(n == 1) ? 0 : ((n == 2) ? 1 : ((n >= 3 && n <= 6) ? 2 : ((n >= 7 && n <= 10) ? 3 : 4))); }
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unsigned int plural6_ar(int n) { return static_cast<unsigned int>(n == 0) ? 0 : ((n == 1) ? 1 : ((n == 2) ? 2 : ((n % 100 >= 3 && n % 100 <= 10) ? 3 : ((n % 100 >= 11 && n % 100 <= 99) ? 4 : 5)))); }
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typedef std::map<std::string, class PluralForms> tPluralForms;
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PluralForms
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PluralForms::from_string(const std::string& str)
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{
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static tPluralForms plural_forms;
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if (plural_forms.empty())
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{
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// Note that the plural forms here shouldn't contain any spaces
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// Some strings are specific to STK po file
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// TODO in the future, map language code to plural form instead?
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plural_forms["Plural-Forms:nplurals=1;plural=0;"] = PluralForms(1, plural1);
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plural_forms["Plural-Forms:nplurals=2;plural=(n!=1);"] = PluralForms(2, plural2_1);
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plural_forms["Plural-Forms:nplurals=2;plural=n!=1;"] = PluralForms(2, plural2_1);
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plural_forms["Plural-Forms:nplurals=2;plural=(n>1);"] = PluralForms(2, plural2_2);
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plural_forms["Plural-Forms:nplurals=2;plural=(n%10!=1||n%100==11);"] = PluralForms(2, plural2_is);
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plural_forms["Plural-Forms:nplurals=2;plural=n==1||n%10==1?0:1;"] = PluralForms(2, plural2_mk);
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//FIXME wrong plural equation in be/ru translation files! (transifex error?) nplurals of be/ru is 3 indeed.
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plural_forms["Plural-Forms:nplurals=4;plural=(n%10==1&&n%100!=11?0:n%10>=2&&n%10<=4&&(n%100<12||n%100>14)?1:n%10==0||(n%10>=5&&n%10<=9)||(n%100>=11&&n%100<=14)?2:3);"] = PluralForms(3, plural3_be);
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plural_forms["Plural-Forms:nplurals=3;plural=n%10==1&&n%100!=11?0:n%10>=2&&n%10<=4&&(n%100<10||n%100>=20)?1:2;"] = PluralForms(3, plural3_be);
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plural_forms["Plural-Forms:nplurals=3;plural=(n%10==1&&n%100!=11?0:n%10>=2&&n%10<=4&&(n%100<10||n%100>=20)?1:2);"] = PluralForms(3, plural3_be);
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//FIXME wrong again
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plural_forms["Plural-Forms:nplurals=4;plural=(n==1)?0:(n==2)?1:(n==3)?2:3;"] = PluralForms(3, plural3_kw);
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plural_forms["Plural-Forms:nplurals=3;plural=(n%10==1&&n%100!=11?0:n!=0?1:2);"] = PluralForms(3, plural3_lv);
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plural_forms["Plural-Forms:nplurals=3;plural=(n%10==1&&n%100!=11?0:n%10>=2&&(n%100<10||n%100>=20)?1:2);"] = PluralForms(3, plural3_lt);
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plural_forms["Plural-Forms:nplurals=3;plural=(n==1?0:n%10>=2&&n%10<=4&&(n%100<10||n%100>=20)?1:2);"] = PluralForms(3, plural3_pl);
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plural_forms["Plural-Forms:nplurals=4;plural=(n==1?0:(n%10>=2&&n%10<=4)&&(n%100<12||n%100>14)?1:n!=1&&(n%10>=0&&n%10<=1)||(n%10>=5&&n%10<=9)||(n%100>=12&&n%100<=14)?2:3);"] = PluralForms(4, plural3_pl);
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plural_forms["Plural-Forms:nplurals=3;plural=(n==1?0:(((n%100>19)||((n%100==0)&&(n!=0)))?2:1));"] = PluralForms(3, plural3_ro);
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plural_forms["Plural-Forms:nplurals=3;plural=(n==1)?0:(n>=2&&n<=4)?1:2;"] = PluralForms(3, plural3_sk);
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plural_forms["Plural-Forms:nplurals=4;plural=(n%100==1?0:n%100==2?1:n%100==3||n%100==4?2:3);"] = PluralForms(4, plural4_sl);
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plural_forms["Plural-Forms:nplurals=4;plural=(n==1||n==11)?0:(n==2||n==12)?1:(n>2&&n<20)?2:3;"] = PluralForms(4, plural4_gd);
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plural_forms["Plural-Forms:nplurals=5;plural=(n==1?0:n==2?1:n<7?2:n<11?3:4);"] = PluralForms(5, plural5_ga);
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plural_forms["Plural-Forms:nplurals=6;plural=n==0?0:n==1?1:n==2?2:n%100>=3&&n%100<=10?3:n%100>=11&&n%100<=99?4:5;"] = PluralForms(6, plural6_ar);
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}
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// Remove spaces from string before lookup
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std::string space_less_str;
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for(std::string::size_type i = 0; i < str.size(); ++i)
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if (!isspace(str[i]))
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space_less_str += str[i];
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tPluralForms::const_iterator it= plural_forms.find(space_less_str);
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if (it != plural_forms.end())
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{
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return it->second;
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}
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else
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{
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return PluralForms();
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}
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}
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} // namespace tinygettext
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/* EOF */
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#endif
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