| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_sc.hxx" |
| |
| #include "formulaparserpool.hxx" |
| #include <com/sun/star/beans/XPropertySet.hpp> |
| #include <com/sun/star/container/XContentEnumerationAccess.hpp> |
| #include <com/sun/star/lang/XComponent.hpp> |
| #include <com/sun/star/lang/XSingleComponentFactory.hpp> |
| #include <com/sun/star/sheet/XFilterFormulaParser.hpp> |
| #include <rtl/instance.hxx> |
| #include <comphelper/processfactory.hxx> |
| #include <sfx2/objsh.hxx> |
| #include "document.hxx" |
| |
| using ::rtl::OUString; |
| using ::rtl::OUStringHash; |
| using namespace ::com::sun::star::beans; |
| using namespace ::com::sun::star::container; |
| using namespace ::com::sun::star::lang; |
| using namespace ::com::sun::star::sheet; |
| using namespace ::com::sun::star::uno; |
| |
| // ============================================================================ |
| |
| namespace { |
| |
| class ScParserFactoryMap |
| { |
| public: |
| explicit ScParserFactoryMap(); |
| |
| Reference< XFormulaParser > createFormulaParser( |
| const Reference< XComponent >& rxComponent, |
| const OUString& rNamespace ); |
| |
| private: |
| typedef ::std::hash_map< OUString, Reference< XSingleComponentFactory >, OUStringHash > FactoryMap; |
| |
| Reference< XComponentContext > mxContext; /// Global component context. |
| FactoryMap maFactories; /// All parser factories, mapped by formula namespace. |
| }; |
| |
| ScParserFactoryMap::ScParserFactoryMap() : |
| mxContext( ::comphelper::getProcessComponentContext() ) |
| { |
| if( mxContext.is() ) try |
| { |
| // enumerate all implementations of the FormulaParser service |
| Reference< XContentEnumerationAccess > xFactoryEA( mxContext->getServiceManager(), UNO_QUERY_THROW ); |
| Reference< XEnumeration > xEnum( xFactoryEA->createContentEnumeration( OUString( RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.sheet.FilterFormulaParser" ) ) ), UNO_SET_THROW ); |
| while( xEnum->hasMoreElements() ) try // single try/catch for every element |
| { |
| // create an instance of the formula parser implementation |
| Reference< XSingleComponentFactory > xCompFactory( xEnum->nextElement(), UNO_QUERY_THROW ); |
| Reference< XFilterFormulaParser > xParser( xCompFactory->createInstanceWithContext( mxContext ), UNO_QUERY_THROW ); |
| |
| // store factory in the map |
| OUString aNamespace = xParser->getSupportedNamespace(); |
| if( aNamespace.getLength() > 0 ) |
| maFactories[ aNamespace ] = xCompFactory; |
| } |
| catch( Exception& ) |
| { |
| } |
| } |
| catch( Exception& ) |
| { |
| } |
| } |
| |
| Reference< XFormulaParser > ScParserFactoryMap::createFormulaParser( |
| const Reference< XComponent >& rxComponent, const OUString& rNamespace ) |
| { |
| Reference< XFormulaParser > xParser; |
| FactoryMap::const_iterator aIt = maFactories.find( rNamespace ); |
| if( aIt != maFactories.end() ) try |
| { |
| Sequence< Any > aArgs( 1 ); |
| aArgs[ 0 ] <<= rxComponent; |
| xParser.set( aIt->second->createInstanceWithArgumentsAndContext( aArgs, mxContext ), UNO_QUERY_THROW ); |
| } |
| catch( Exception& ) |
| { |
| } |
| return xParser; |
| } |
| |
| struct ScParserFactorySingleton : public ::rtl::Static< ScParserFactoryMap, ScParserFactorySingleton > {}; |
| |
| } // namespace |
| |
| // ============================================================================ |
| |
| ScFormulaParserPool::ScFormulaParserPool( const ScDocument& rDoc ) : |
| mrDoc( rDoc ) |
| { |
| } |
| |
| ScFormulaParserPool::~ScFormulaParserPool() |
| { |
| } |
| |
| bool ScFormulaParserPool::hasFormulaParser( const OUString& rNamespace ) |
| { |
| return getFormulaParser( rNamespace ).is(); |
| } |
| |
| Reference< XFormulaParser > ScFormulaParserPool::getFormulaParser( const OUString& rNamespace ) |
| { |
| // try to find an existing parser entry |
| ParserMap::iterator aIt = maParsers.find( rNamespace ); |
| if( aIt != maParsers.end() ) |
| return aIt->second; |
| |
| // always create a new entry in the map (even if the following initialization fails) |
| Reference< XFormulaParser >& rxParser = maParsers[ rNamespace ]; |
| |
| // try to create a new parser object |
| if( SfxObjectShell* pDocShell = mrDoc.GetDocumentShell() ) try |
| { |
| Reference< XComponent > xComponent( pDocShell->GetModel(), UNO_QUERY_THROW ); |
| ScParserFactoryMap& rFactoryMap = ScParserFactorySingleton::get(); |
| rxParser = rFactoryMap.createFormulaParser( xComponent, rNamespace ); |
| } |
| catch( Exception& ) |
| { |
| } |
| return rxParser; |
| } |
| |
| // ============================================================================ |
| |