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 <boost/functional/hash.hpp>
  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             boost::hash_combine(seed, pair.first);
  39             boost::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     std::unordered_map< sal_Int32, sal_uInt16> m_aFastTokenToTokenMap;
  46
  47 public:
  48     void insert( const SvXMLTokenMapEntry& rEntry );
  49     sal_uInt16 get( sal_uInt16 nKeyPrefix, const OUString& rLName ) const;
  50     sal_uInt16 get( sal_Int32 nFastTok ) const;
  51 };
  52
  53 void SvXMLTokenMap_Impl::insert( const SvXMLTokenMapEntry& rEntry )
  54 {
  55     bool inserted = m_aPrefixAndNameToTokenMap.insert( std::make_pair( std::make_pair( rEntry.nPrefixKey,
  56                                        GetXMLToken( rEntry.eLocalName ) ), rEntry.nToken ) ).second;
  57     assert(inserted && "duplicate token");
  58     (void)inserted;
  59     if( rEntry.nFastToken )
  60     {
  61         bool inserted2 = m_aFastTokenToTokenMap.insert( std::make_pair( rEntry.nFastToken, rEntry.nToken ) ).second;
  62         assert(inserted2 && "duplicate token");
  63         (void)inserted2;
  64     }
  65 }
  66
  67 sal_uInt16 SvXMLTokenMap_Impl::get( sal_uInt16 nKeyPrefix, const OUString& rLName ) const
  68 {
  69     auto aIter( m_aPrefixAndNameToTokenMap.find( std::make_pair( nKeyPrefix, rLName ) ) );
  70     if ( aIter != m_aPrefixAndNameToTokenMap.end() )
  71         return (*aIter).second;
  72     else
  73         return XML_TOK_UNKNOWN;
  74 }
  75
  76 sal_uInt16 SvXMLTokenMap_Impl::get( sal_Int32 nFastTok ) const
  77 {
  78     auto aIter( m_aFastTokenToTokenMap.find( nFastTok ) );
  79     if ( aIter != m_aFastTokenToTokenMap.end() )
  80         return (*aIter).second;
  81     else
  82         return XML_TOK_UNKNOWN;
  83 }
  84
  85 SvXMLTokenMap::SvXMLTokenMap( const SvXMLTokenMapEntry *pMap )
  86     : m_pImpl( new SvXMLTokenMap_Impl )
  87 {
  88     while( pMap->eLocalName != XML_TOKEN_INVALID )
  89     {
  90         m_pImpl->insert( *pMap );
  91         pMap++;
  92     }
  93 }
  94
  95 SvXMLTokenMap::~SvXMLTokenMap()
  96 {
  97 }
  98
  99 sal_uInt16 SvXMLTokenMap::Get( sal_uInt16 nKeyPrefix,
 100                                const OUString& rLName ) const
 101 {
 102     return m_pImpl->get( nKeyPrefix, rLName );
 103 }
 104
 105 sal_uInt16 SvXMLTokenMap::Get( sal_Int32 nFastTok ) const
 106 {
 107     return m_pImpl->get( nFastTok );
 108 }
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */