1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 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 namespace oox { 33 namespace core { 34 35 // ============================================================================ 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 using ::rtl::OUString; 43 44 // ============================================================================ 45 46 namespace { 47 48 class InputStreamCloseGuard 49 { 50 public: 51 explicit InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream ); 52 ~InputStreamCloseGuard(); 53 private: 54 Reference< XInputStream > mxInStream; 55 bool mbCloseStream; 56 }; 57 58 InputStreamCloseGuard::InputStreamCloseGuard( const Reference< XInputStream >& rxInStream, bool bCloseStream ) : 59 mxInStream( rxInStream ), 60 mbCloseStream( bCloseStream ) 61 { 62 } 63 64 InputStreamCloseGuard::~InputStreamCloseGuard() 65 { 66 if( mxInStream.is() && mbCloseStream ) try { mxInStream->closeInput(); } catch( Exception& ) {} 67 } 68 69 } // namespace 70 71 // ============================================================================ 72 73 FastParser::FastParser( const Reference< XComponentContext >& rxContext ) throw( RuntimeException ) : 74 mrNamespaceMap( StaticNamespaceMap::get() ) 75 { 76 // create a fast parser instance 77 Reference< XMultiComponentFactory > xFactory( rxContext->getServiceManager(), UNO_SET_THROW ); 78 mxParser.set( xFactory->createInstanceWithContext( CREATE_OUSTRING( "com.sun.star.xml.sax.FastParser" ), rxContext ), UNO_QUERY_THROW ); 79 80 // create the fast token handler based on the OOXML token list 81 mxParser->setTokenHandler( new FastTokenHandler ); 82 } 83 84 FastParser::~FastParser() 85 { 86 } 87 88 void FastParser::registerNamespace( sal_Int32 nNamespaceId ) throw( IllegalArgumentException, RuntimeException ) 89 { 90 if( !mxParser.is() ) 91 throw RuntimeException(); 92 93 const OUString* pNamespaceUrl = ContainerHelper::getMapElement( mrNamespaceMap, nNamespaceId ); 94 if( !pNamespaceUrl ) 95 throw IllegalArgumentException(); 96 97 mxParser->registerNamespace( *pNamespaceUrl, nNamespaceId ); 98 } 99 100 void FastParser::setDocumentHandler( const Reference< XFastDocumentHandler >& rxDocHandler ) throw( RuntimeException ) 101 { 102 if( !mxParser.is() ) 103 throw RuntimeException(); 104 mxParser->setFastDocumentHandler( rxDocHandler ); 105 } 106 107 void FastParser::parseStream( const InputSource& rInputSource, bool bCloseStream ) throw( SAXException, IOException, RuntimeException ) 108 { 109 // guard closing the input stream also when exceptions are thrown 110 InputStreamCloseGuard aGuard( rInputSource.aInputStream, bCloseStream ); 111 if( !mxParser.is() ) 112 throw RuntimeException(); 113 mxParser->parseStream( rInputSource ); 114 } 115 116 void FastParser::parseStream( const Reference< XInputStream >& rxInStream, const OUString& rStreamName, bool bCloseStream ) throw( SAXException, IOException, RuntimeException ) 117 { 118 InputSource aInputSource; 119 aInputSource.sSystemId = rStreamName; 120 aInputSource.aInputStream = rxInStream; 121 parseStream( aInputSource, bCloseStream ); 122 } 123 124 void FastParser::parseStream( StorageBase& rStorage, const OUString& rStreamName, bool bCloseStream ) throw( SAXException, IOException, RuntimeException ) 125 { 126 parseStream( rStorage.openInputStream( rStreamName ), rStreamName, bCloseStream ); 127 } 128 129 // ============================================================================ 130 131 } // namespace core 132 } // namespace oox 133