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