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