forked from 0ad/0ad
125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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CLocale contains all the data about a locale (/language).
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LoadFunctions/LoadStrings/LoadDictionary are used to specify data to be used
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when translating, and Translate is used to perform translations.
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All other methods are used internally by other I18n components.
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*/
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#ifndef INCLUDED_I18N_CLOCALE
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#define INCLUDED_I18N_CLOCALE
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#include "Common.h"
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#include "Interface.h"
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#include "StringBuffer.h"
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#include "StrImmutable.h"
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#include "ScriptInterface.h"
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#include "lib/sysdep/stl.h" // STL_HASH_MAP
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#include <map>
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#include <algorithm>
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struct JSContext;
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namespace I18n
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{
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class CLocale : public CLocale_interface
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{
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friend class StringBuffer;
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private:
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typedef STL_HASH_MAP<Str, TranslatedString*> StringsType;
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public:
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StringBuffer Translate(const wchar_t* id);
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bool LoadFunctions(const char* filedata, size_t len, const char* filename);
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bool LoadStrings(const char* filedata);
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bool LoadDictionary(const char* filedata);
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void UnloadDictionaries();
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const StrImW CallFunction(const char* name, const std::vector<BufferVariable*>& vars, const std::vector<ScriptValue*>& params);
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private:
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struct DictData;
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public:
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typedef std::pair<const DictData*, const std::vector<Str>*> LookupType;
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// Returns a new'ed structure. Please remember to delete it.
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const LookupType* LookupWord(const Str& dictname, const Str& word);
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bool LookupProperty(const LookupType* data, const Str& property, Str& result);
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// Disable the "'this' used in base member initializer list" warning: only the
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// pointer (and not the data it points to) is accessed by ScriptObject's
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// constructor, so it shouldn't cause any problems.
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#if MSC_VERSION
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# pragma warning (disable: 4355)
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#endif
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CLocale(JSContext* context, JSObject* scope) : CacheAge(0), Script(this, context, scope) {}
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#if MSC_VERSION
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# pragma warning (default: 4355)
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#endif
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~CLocale();
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void AddToCache(StringBuffer*, Str&);
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bool ReadCached(StringBuffer*, Str&);
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void ClearCache();
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private:
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TranslatedString& AddDefaultString(const wchar_t* id);
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StringsType Strings;
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// Incremented by every call to Translate(), with
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// ClearCache() being run after a certain number of calls.
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// TODO: Replace with a better caching system.
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int CacheAge;
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static const int CacheAgeLimit = 1024;
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struct CacheData
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{
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u32 hash;
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std::vector<BufferVariable*> vars;
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Str output;
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};
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std::map<TranslatedString*, CacheData> TranslationCache;
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struct DictData
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{
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std::map< Str /* property name */, int /* property id */ > DictProperties;
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std::map< Str /* word */, std::vector<Str> /* properties */ > DictWords;
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};
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std::map<Str /* dictionary name */, DictData> Dictionaries;
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ScriptObject Script;
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};
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}
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#endif // INCLUDED_I18N_CLOCALE
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