svl/source/misc/getstringresource.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <map>
  23
  24 #include <boost/noncopyable.hpp>
  25 #include <boost/scoped_ptr.hpp>
  26 #include <i18nlangtag/languagetag.hxx>
  27 #include <rtl/instance.hxx>
  28 #include <rtl/ustrbuf.hxx>
  29 #include <rtl/ustring.hxx>
  30 #include <sal/types.h>
  31 #include <tools/resmgr.hxx>
  32 #include <tools/simplerm.hxx>
  33
  34 #include "getstringresource.hxx"
  35
  36 namespace {
  37
  38 class ResMgrMap: private boost::noncopyable {
  39 public:
  40     ~ResMgrMap();
  41
  42     SimpleResMgr * get(LanguageTag const & locale);
  43
  44 private:
  45     typedef std::map< OUString, SimpleResMgr * > Map;
  46
  47     Map map_;
  48         // one SimpleResMgr for each language for which a resource was requested
  49         // (when using the "non-simple" resmgr, the first request for any
  50         // language wins, any further requests for any other languages supply
  51         // the resmgr of the first call; for the simple resmgr we have a mgr
  52         // for each language ever requested)
  53 };
  54
  55 ResMgrMap::~ResMgrMap() {
  56     for (Map::iterator i(map_.begin()); i != map_.end(); ++i) {
  57         delete i->second;
  58     }
  59 }
  60
  61 SimpleResMgr * ResMgrMap::get(LanguageTag const & locale) {
  62     OUString code( locale.getBcp47());
  63     Map::iterator i(map_.find(code));
  64     if (i == map_.end()) {
  65         boost::scoped_ptr< SimpleResMgr > mgr(
  66             new SimpleResMgr("svl", locale));
  67         i = map_.insert(Map::value_type(code, mgr.get())).first;
  68         mgr.reset();
  69     }
  70     return i->second;
  71 }
  72
  73 struct theResMgrMap: public rtl::Static< ResMgrMap, theResMgrMap > {};
  74
  75 }
  76
  77 namespace svl {
  78
  79 OUString getStringResource(sal_uInt16 id, LanguageTag const & locale)
  80 {
  81     return theResMgrMap::get().get(locale)->ReadString(id);
  82 }
  83
  84 }
  85
  86 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */