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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 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;
}
// ============================================================================
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