xmloff/source/core/xmltkmap.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 <rtl/ustring.hxx>
  21 #include <xmloff/xmltkmap.hxx>
  22 #include <xmloff/xmltoken.hxx>
  23 #include <o3tl/hash_combine.hxx>
  24
  25 #include <unordered_map>
  26 #include <utility>
  27
  28 using namespace ::xmloff::token;
  29
  30 class SvXMLTokenMap_Impl
  31 {
  32 private:
  33     struct PairHash
  34     {
  35         std::size_t operator()(const std::pair<sal_uInt16,OUString> &pair) const
  36         {
  37             std::size_t seed = 0;
  38             o3tl::hash_combine(seed, pair.first);
  39             o3tl::hash_combine(seed, pair.second.hashCode());
  40             return seed;
  41         }
  42     };
  43     std::unordered_map< std::pair<sal_uInt16, OUString>,
  44                         sal_uInt16, PairHash> m_aPrefixAndNameToTokenMap;
  45
  46 public:
  47     void insert( const SvXMLTokenMapEntry& rEntry );
  48     sal_uInt16 get( sal_uInt16 nKeyPrefix, const OUString& rLName ) const;
  49 };
  50
  51 void SvXMLTokenMap_Impl::insert( const SvXMLTokenMapEntry& rEntry )
  52 {
  53     bool inserted = m_aPrefixAndNameToTokenMap.insert( std::make_pair( std::make_pair( rEntry.nPrefixKey,
  54                                        GetXMLToken( rEntry.eLocalName ) ), rEntry.nToken ) ).second;
  55     assert(inserted && "duplicate token");
  56     (void)inserted;
  57 }
  58
  59 sal_uInt16 SvXMLTokenMap_Impl::get( sal_uInt16 nKeyPrefix, const OUString& rLName ) const
  60 {
  61     auto aIter( m_aPrefixAndNameToTokenMap.find( std::make_pair( nKeyPrefix, rLName ) ) );
  62     if ( aIter != m_aPrefixAndNameToTokenMap.end() )
  63         return (*aIter).second;
  64     else
  65         return XML_TOK_UNKNOWN;
  66 }
  67
  68 SvXMLTokenMap::SvXMLTokenMap( const SvXMLTokenMapEntry *pMap )
  69     : m_pImpl( new SvXMLTokenMap_Impl )
  70 {
  71     while( pMap->eLocalName != XML_TOKEN_INVALID )
  72     {
  73         m_pImpl->insert( *pMap );
  74         pMap++;
  75     }
  76 }
  77
  78 SvXMLTokenMap::~SvXMLTokenMap()
  79 {
  80 }
  81
  82 sal_uInt16 SvXMLTokenMap::Get( sal_uInt16 nKeyPrefix,
  83                                const OUString& rLName ) const
  84 {
  85     return m_pImpl->get( nKeyPrefix, rLName );
  86 }
  87
  88 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */