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 "oox/core/fastparser.hxx"
  21
  22 #include "oox/core/fasttokenhandler.hxx"
  23 #include "oox/helper/containerhelper.hxx"
  24 #include "oox/helper/helper.hxx"
  25 #include "oox/helper/storagebase.hxx"
  26 #include "oox/token/namespacemap.hxx"
  27
  28 #include "sax/fastparser.hxx"
  29
  30 namespace oox {
  31 namespace core {
  32
  33 // ============================================================================
  34
  35 using namespace ::com::sun::star::io;
  36 using namespace ::com::sun::star::lang;
  37 using namespace ::com::sun::star::uno;
  38 using namespace ::com::sun::star::xml::sax;
  39
  40
  41 // ============================================================================
  42
  43 namespace {
  44
  45 class InputStreamCloseGuard
  46 {
  47 public:
  48     explicit            InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream );
  49                         ~InputStreamCloseGuard();
  50 private:
  51     Reference< XInputStream > mxInStream;
  52     bool                mbCloseStream;
  53 };
  54
  55 InputStreamCloseGuard::InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream ) :
  56     mxInStream( rxInStream ),
  57     mbCloseStream( bCloseStream )
  58 {
  59 }
  60
  61 InputStreamCloseGuard::~InputStreamCloseGuard()
  62 {
  63     if( mxInStream.is() && mbCloseStream ) try { mxInStream->closeInput(); } catch( Exception& ) {}
  64 }
  65
  66 } // namespace
  67
  68 // ============================================================================
  69
  70 FastParser::FastParser( const Reference< XComponentContext >& rxContext ) throw( RuntimeException ) :
  71     mrNamespaceMap( StaticNamespaceMap::get() ),
  72     mpParser(NULL)
  73 {
  74     // create a fast parser instance
  75     Reference< XMultiComponentFactory > xFactory( rxContext->getServiceManager(), UNO_SET_THROW );
  76     mxParser.set( xFactory->createInstanceWithContext( "com.sun.star.xml.sax.FastParser", rxContext ), UNO_QUERY_THROW );
  77     mpParser = dynamic_cast<sax_fastparser::FastSaxParser*>(mxParser.get());
  78
  79     // create the fast tokenhandler
  80     mxTokenHandler.set( new FastTokenHandler );
  81
  82     // create the fast token handler based on the OOXML token list
  83     mxParser->setTokenHandler( mxTokenHandler );
  84 }
  85
  86 FastParser::~FastParser()
  87 {
  88 }
  89
  90 void FastParser::registerNamespace( sal_Int32 nNamespaceId ) throw( IllegalArgumentException, RuntimeException )
  91 {
  92     if( !mxParser.is() )
  93         throw RuntimeException();
  94
  95     const OUString* pNamespaceUrl = ContainerHelper::getMapElement( mrNamespaceMap, nNamespaceId );
  96     if( !pNamespaceUrl )
  97         throw IllegalArgumentException();
  98
  99     mxParser->registerNamespace( *pNamespaceUrl, nNamespaceId );
 100 }
 101
 102 void FastParser::setDocumentHandler( const Reference< XFastDocumentHandler >& rxDocHandler ) throw( RuntimeException )
 103 {
 104     if( !mxParser.is() )
 105         throw RuntimeException();
 106     mxParser->setFastDocumentHandler( rxDocHandler );
 107 }
 108
 109 void FastParser::parseStream( const InputSource& rInputSource, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 110 {
 111     // guard closing the input stream also when exceptions are thrown
 112     InputStreamCloseGuard aGuard( rInputSource.aInputStream, bCloseStream );
 113     if( !mxParser.is() )
 114         throw RuntimeException();
 115     mxParser->parseStream( rInputSource );
 116 }
 117
 118 void FastParser::parseStream( const Reference< XInputStream >& rxInStream, const OUString& rStreamName, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 119 {
 120     InputSource aInputSource;
 121     aInputSource.sSystemId = rStreamName;
 122     aInputSource.aInputStream = rxInStream;
 123     parseStream( aInputSource, bCloseStream );
 124 }
 125
 126 void FastParser::parseStream( StorageBase& rStorage, const OUString& rStreamName, bool bCloseStream ) throw( SAXException, IOException, RuntimeException )
 127 {
 128     parseStream( rStorage.openInputStream( rStreamName ), rStreamName, bCloseStream );
 129 }
 130
 131 OUString FastParser::getNamespaceURL( const OUString& rPrefix ) throw( IllegalArgumentException, RuntimeException )
 132 {
 133     if( !mxParser.is() )
 134         throw RuntimeException();
 135     return mxParser->getNamespaceURL( rPrefix );
 136 }
 137
 138 bool FastParser::hasNamespaceURL( const OUString& rPrefix ) const
 139 {
 140     if (!mxParser.is())
 141         throw RuntimeException();
 142
 143     if (!mpParser)
 144         return false;
 145
 146     return mpParser->hasNamespaceURL(rPrefix);
 147 }
 148
 149 sal_Int32 FastParser::getNamespaceId( const OUString& rUrl )
 150 {
 151     for( NamespaceMap::const_iterator aIt = mrNamespaceMap.begin(), aEnd = mrNamespaceMap.end(); aIt != aEnd; ++aIt )
 152         if( rUrl  == aIt->second )
 153             return aIt->first;
 154     return 0;
 155 }
 156
 157 // ============================================================================
 158
 159 } // namespace core
 160 } // namespace oox
 161
 162 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */