134 lines
3.8 KiB
C++
134 lines
3.8 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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#include "precompiled.h"
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#include "ps/i18n.h"
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#include "lib/utf8.h"
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#include "ps/Filesystem.h"
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#include "scripting/ScriptingHost.h"
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#include "ps/CLogger.h"
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#define LOG_CATEGORY L"i18n"
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// Yay, global variables. (The user only ever wants to be using one language
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// at a time, so this is sufficient)
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I18n::CLocale_interface* g_CurrentLocale = NULL;
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std::string g_CurrentLocaleName;
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bool I18n::LoadLanguage(const char* name)
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{
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// Special case: If name==NULL, use an 'empty' locale which should have
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// no external dependencies other than CLogger, so it can be called
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// before SpiderMonkey/etc has been initialised (useful for localised
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// error messages that should fall back to English if the language hasn't
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// been loaded yet)
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if (name == NULL)
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{
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CLocale_interface* locale_ptr = I18n::NewLocale(NULL, NULL);
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debug_assert(locale_ptr);
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delete g_CurrentLocale;
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g_CurrentLocale = locale_ptr;
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g_CurrentLocaleName = "";
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return true;
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}
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CLocale_interface* locale_ptr = I18n::NewLocale(g_ScriptingHost.getContext(), JS_GetGlobalObject(g_ScriptingHost.getContext()));
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if (! locale_ptr)
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{
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debug_warn(L"Failed to create locale");
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return false;
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}
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// Automatically delete the pointer when returning early
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std::auto_ptr<CLocale_interface> locale (locale_ptr);
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VfsPath dirname = AddSlash(VfsPath(L"language")/wstring_from_utf8(name));
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// Open *.lng with LoadStrings
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VfsPaths pathnames;
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if(fs_util::GetPathnames(g_VFS, dirname, L"*.lng", pathnames) < 0)
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return false;
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for (size_t i = 0; i < pathnames.size(); i++)
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{
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CVFSFile strings;
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if (! (strings.Load(pathnames[i]) == PSRETURN_OK && locale->LoadStrings((const char*)strings.GetBuffer())))
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{
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LOG(CLogger::Error, LOG_CATEGORY, L"Error opening language string file '%ls'", pathnames[i].string().c_str());
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return false;
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}
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}
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// Open *.wrd with LoadDictionary
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if(fs_util::GetPathnames(g_VFS, dirname, L"*.wrd", pathnames) < 0)
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return false;
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for (size_t i = 0; i < pathnames.size(); i++)
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{
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CVFSFile strings;
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if (! (strings.Load(pathnames[i]) == PSRETURN_OK && locale->LoadDictionary((const char*)strings.GetBuffer())))
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{
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LOG(CLogger::Error, LOG_CATEGORY, L"Error opening language string file '%ls'", pathnames[i].string().c_str());
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return false;
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}
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}
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// Open *.js with LoadFunctions
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if(fs_util::GetPathnames(g_VFS, dirname, L"*.js", pathnames) < 0)
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return false;
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for (size_t i = 0; i < pathnames.size(); i++)
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{
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const wchar_t* pathname = pathnames[i].string().c_str();
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CStr8 pathname8(pathname);
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CVFSFile strings;
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if (! (strings.Load(pathname) == PSRETURN_OK
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&&
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locale->LoadFunctions(
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(const char*)strings.GetBuffer(),
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strings.GetBufferSize(),
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pathname8.c_str()
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)))
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{
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LOG(CLogger::Error, LOG_CATEGORY, L"Error opening language function file '%ls'", pathname);
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return false;
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}
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}
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// Free any previously loaded data
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delete g_CurrentLocale;
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// Store the new CLocale*, and stop the auto_ptr from deleting it
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g_CurrentLocale = locale.release();
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// Remember the name
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g_CurrentLocaleName = name;
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return true;
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}
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const char* I18n::CurrentLanguageName()
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{
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return g_CurrentLocaleName.c_str();
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}
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void I18n::Shutdown()
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{
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delete g_CurrentLocale;
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g_CurrentLocale = NULL;
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}
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