oox/source/core/fastparser.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 <com/sun/star/xml/sax/FastParser.hpp>
  23 #include "oox/core/fastparser.hxx"
  24
  25 #include "oox/core/fasttokenhandler.hxx"
  26 #include "oox/helper/containerhelper.hxx"
  27 #include "oox/helper/helper.hxx"
  28 #include "oox/helper/storagebase.hxx"
  29 #include "oox/token/namespacemap.hxx"
  30
  31 #include "sax/fastparser.hxx"
  32
  33 namespace oox {
  34 namespace core {
  35
  36 using namespace ::com::sun::star::io;
  37 using namespace ::com::sun::star::lang;
  38 using namespace ::com::sun::star::uno;
  39 using namespace ::com::sun::star::xml::sax;
  40
  41 namespace {
  42
  43 class InputStreamCloseGuard
  44 {
  45 public:
  46     explicit            InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream );
  47                         ~InputStreamCloseGuard();
  48 private:
  49     Reference< XInputStream > mxInStream;
  50     bool                mbCloseStream;
  51 };
  52
  53 InputStreamCloseGuard::InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream ) :
  54     mxInStream( rxInStream ),
  55     mbCloseStream( bCloseStream )
  56 {
  57 }
  58
  59 InputStreamCloseGuard::~InputStreamCloseGuard()
  60 {
  61     if( mxInStream.is() && mbCloseStream ) try { mxInStream->closeInput(); } catch( Exception& ) {}
  62 }
  63
  64 } // namespace
  65
  66 FastParser::FastParser( const Reference< XComponentContext >& rxContext ) throw( RuntimeException ) :
  67     mrNamespaceMap( StaticNamespaceMap::get() ),
  68     mpParser(NULL)
  69 {
  70     // create a fast parser instance
  71     mxParser = css::xml::sax::FastParser::create(rxContext);
  72     mpParser = dynamic_cast<sax_fastparser::FastSaxParser*>(mxParser.get());
  73
  74     // create the fast tokenhandler
  75     mxTokenHandler.set( new FastTokenHandler );
  76
  77     // create the fast token handler based on the OOXML token list
  78     mxParser->setTokenHandler( mxTokenHandler );
  79 }
  80
  81 FastParser::~FastParser()
  82 {
  83 }
  84
  85 void FastParser::registerNamespace( sal_Int32 nNamespaceId ) throw( IllegalArgumentException, RuntimeException )
  86 {
  87     if( !mxParser.is() )
  88         throw RuntimeException();
  89
  90     // add handling for OOXML strict here
  91     const OUString* pNamespaceUrl = ContainerHelper::getMapElement( mrNamespaceMap.maTransitionalNamespaceMap, nNamespaceId );
  92     if( !pNamespaceUrl )
  93         throw IllegalArgumentException();
  94
  95     mxParser->registerNamespace( *pNamespaceUrl, nNamespaceId );
  96
  97     //also register the OOXML strict namespaces for the same id
  98     const OUString* pNamespaceStrictUrl = ContainerHelper::getMapElement( mrNamespaceMap.maStrictNamespaceMap, nNamespaceId );
  99     if(pNamespaceStrictUrl && (*pNamespaceUrl != *pNamespaceStrictUrl))
 100     {
 101         mxParser->registerNamespace( *pNamespaceStrictUrl, nNamespaceId );
 102     }
 103 }
 104
 105 void FastParser::setDocumentHandler( const Reference< XFastDocumentHandler >& rxDocHandler ) throw( RuntimeException )
 106 {
 107     if( !mxParser.is() )
 108         throw RuntimeException();
 109     mxParser->setFastDocumentHandler( rxDocHandler );
 110 }
 111
 112 void FastParser::parseStream( const InputSource& rInputSource, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 113 {
 114     // guard closing the input stream also when exceptions are thrown
 115     InputStreamCloseGuard aGuard( rInputSource.aInputStream, bCloseStream );
 116     if( !mxParser.is() )
 117         throw RuntimeException();
 118     mxParser->parseStream( rInputSource );
 119 }
 120
 121 void FastParser::parseStream( const Reference< XInputStream >& rxInStream, const OUString& rStreamName, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 122 {
 123     InputSource aInputSource;
 124     aInputSource.sSystemId = rStreamName;
 125     aInputSource.aInputStream = rxInStream;
 126     parseStream( aInputSource, bCloseStream );
 127 }
 128
 129 void FastParser::parseStream( StorageBase& rStorage, const OUString& rStreamName, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 130 {
 131     parseStream( rStorage.openInputStream( rStreamName ), rStreamName, bCloseStream );
 132 }
 133
 134 OUString FastParser::getNamespaceURL( const OUString& rPrefix ) throw( IllegalArgumentException, RuntimeException )
 135 {
 136     if( !mxParser.is() )
 137         throw RuntimeException();
 138     return mxParser->getNamespaceURL( rPrefix );
 139 }
 140
 141 bool FastParser::hasNamespaceURL( const OUString& rPrefix ) const
 142 {
 143     if (!mxParser.is())
 144         throw RuntimeException();
 145
 146     if (!mpParser)
 147         return false;
 148
 149     return mpParser->hasNamespaceURL(rPrefix);
 150 }
 151
 152 sal_Int32 FastParser::getNamespaceId( const OUString& rUrl )
 153 {
 154     for( NamespaceMap::const_iterator aIt = mrNamespaceMap.maTransitionalNamespaceMap.begin(),
 155             aEnd = mrNamespaceMap.maTransitionalNamespaceMap.end(); aIt != aEnd; ++aIt )
 156         if( rUrl  == aIt->second )
 157             return aIt->first;
 158
 159     for( NamespaceMap::const_iterator aIt = mrNamespaceMap.maStrictNamespaceMap.begin(),
 160             aEnd = mrNamespaceMap.maStrictNamespaceMap.end(); aIt != aEnd; ++aIt )
 161         if( rUrl  == aIt->second )
 162             return aIt->first;
 163
 164     return 0;
 165 }
 166
 167 } // namespace core
 168 } // namespace oox
 169
 170 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */