281 lines
9 KiB
C++
281 lines
9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*************************************************************************
|
|
*
|
|
* 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.
|
|
*
|
|
************************************************************************/
|
|
|
|
#include "oox/core/contexthandler2.hxx"
|
|
#include <rtl/ustrbuf.hxx>
|
|
|
|
namespace oox {
|
|
namespace core {
|
|
|
|
// ============================================================================
|
|
|
|
using namespace ::com::sun::star::uno;
|
|
using namespace ::com::sun::star::xml::sax;
|
|
|
|
using ::rtl::OUString;
|
|
using ::rtl::OUStringBuffer;
|
|
|
|
// ============================================================================
|
|
|
|
/** Information about a processed element. */
|
|
struct ElementInfo
|
|
{
|
|
OUStringBuffer maChars; /// Collected element characters.
|
|
sal_Int32 mnElement; /// The element identifier.
|
|
bool mbTrimSpaces; /// True = trims leading/trailing spaces from text data.
|
|
|
|
inline explicit ElementInfo() : mnElement( XML_TOKEN_INVALID ), mbTrimSpaces( false ) {}
|
|
ElementInfo( sal_Int32 nElement ) : mnElement( nElement ), mbTrimSpaces(false) {}
|
|
};
|
|
|
|
// ============================================================================
|
|
|
|
ContextHandler2Helper::ContextHandler2Helper( bool bEnableTrimSpace ) :
|
|
mxContextStack( new ContextStack ),
|
|
mnRootStackSize( 0 ),
|
|
mbEnableTrimSpace( bEnableTrimSpace )
|
|
{
|
|
pushElementInfo( XML_ROOT_CONTEXT );
|
|
}
|
|
|
|
ContextHandler2Helper::ContextHandler2Helper( const ContextHandler2Helper& rParent ) :
|
|
mxContextStack( rParent.mxContextStack ),
|
|
mnRootStackSize( rParent.mxContextStack->size() ),
|
|
mbEnableTrimSpace( rParent.mbEnableTrimSpace )
|
|
{
|
|
}
|
|
|
|
ContextHandler2Helper::~ContextHandler2Helper()
|
|
{
|
|
}
|
|
|
|
sal_Int32 ContextHandler2Helper::getCurrentElementWithMce() const
|
|
{
|
|
return mxContextStack->empty() ? XML_ROOT_CONTEXT : mxContextStack->back().mnElement;
|
|
}
|
|
|
|
sal_Int32 ContextHandler2Helper::getCurrentElement() const
|
|
{
|
|
for ( ContextStack::reverse_iterator It = mxContextStack->rbegin();
|
|
It != mxContextStack->rend(); ++It )
|
|
if( getNamespace( It->mnElement ) != NMSP_mce )
|
|
return It->mnElement;
|
|
return XML_ROOT_CONTEXT;
|
|
}
|
|
|
|
sal_Int32 ContextHandler2Helper::getParentElement( sal_Int32 nCountBack ) const
|
|
{
|
|
if( (nCountBack < 0) || (mxContextStack->size() < static_cast< size_t >( nCountBack )) )
|
|
return XML_TOKEN_INVALID;
|
|
return (mxContextStack->size() == static_cast< size_t >( nCountBack )) ?
|
|
XML_ROOT_CONTEXT : (*mxContextStack)[ mxContextStack->size() - nCountBack - 1 ].mnElement;
|
|
}
|
|
|
|
bool ContextHandler2Helper::isRootElement() const
|
|
{
|
|
return mxContextStack->size() == mnRootStackSize + 1;
|
|
}
|
|
|
|
Reference< XFastContextHandler > ContextHandler2Helper::implCreateChildContext(
|
|
sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
|
|
{
|
|
// #i76091# process collected characters (calls onCharacters() if needed)
|
|
processCollectedChars();
|
|
ContextHandlerRef xContext = onCreateContext( nElement, AttributeList( rxAttribs ) );
|
|
return Reference< XFastContextHandler >( xContext.get() );
|
|
}
|
|
|
|
void ContextHandler2Helper::implStartElement( sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs )
|
|
{
|
|
AttributeList aAttribs( rxAttribs );
|
|
pushElementInfo( nElement ).mbTrimSpaces = aAttribs.getToken( XML_TOKEN( space ), XML_TOKEN_INVALID ) != XML_preserve;
|
|
onStartElement( aAttribs );
|
|
}
|
|
|
|
void ContextHandler2Helper::implCharacters( const OUString& rChars )
|
|
{
|
|
// #i76091# collect characters until new element starts or this element ends
|
|
if( !mxContextStack->empty() )
|
|
mxContextStack->back().maChars.append(rChars);
|
|
}
|
|
|
|
void ContextHandler2Helper::implEndElement( sal_Int32 nElement )
|
|
{
|
|
(void)nElement; // prevent "unused parameter" warning in product build
|
|
OSL_ENSURE( getCurrentElementWithMce() == nElement, "ContextHandler2Helper::implEndElement - context stack broken" );
|
|
if( !mxContextStack->empty() )
|
|
{
|
|
// #i76091# process collected characters (calls onCharacters() if needed)
|
|
processCollectedChars();
|
|
onEndElement();
|
|
popElementInfo();
|
|
}
|
|
}
|
|
|
|
ContextHandlerRef ContextHandler2Helper::implCreateRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm )
|
|
{
|
|
return onCreateRecordContext( nRecId, rStrm );
|
|
}
|
|
|
|
void ContextHandler2Helper::implStartRecord( sal_Int32 nRecId, SequenceInputStream& rStrm )
|
|
{
|
|
pushElementInfo( nRecId );
|
|
onStartRecord( rStrm );
|
|
}
|
|
|
|
void ContextHandler2Helper::implEndRecord( sal_Int32 nRecId )
|
|
{
|
|
(void)nRecId; // prevent "unused parameter" warning in product build
|
|
OSL_ENSURE( getCurrentElementWithMce() == nRecId, "ContextHandler2Helper::implEndRecord - context stack broken" );
|
|
if( !mxContextStack->empty() )
|
|
{
|
|
onEndRecord();
|
|
popElementInfo();
|
|
}
|
|
}
|
|
|
|
ElementInfo& ContextHandler2Helper::pushElementInfo( sal_Int32 nElement )
|
|
{
|
|
mxContextStack->resize( mxContextStack->size() + 1 );
|
|
ElementInfo& rInfo = mxContextStack->back();
|
|
rInfo.mnElement = nElement;
|
|
return rInfo;
|
|
}
|
|
|
|
void ContextHandler2Helper::popElementInfo()
|
|
{
|
|
OSL_ENSURE( !mxContextStack->empty(), "ContextHandler2Helper::popElementInfo - context stack broken" );
|
|
if( !mxContextStack->empty() )
|
|
mxContextStack->pop_back();
|
|
}
|
|
|
|
void ContextHandler2Helper::processCollectedChars()
|
|
{
|
|
OSL_ENSURE( !mxContextStack->empty(), "ContextHandler2Helper::processCollectedChars - no context info" );
|
|
ElementInfo& rInfo = mxContextStack->back();
|
|
if( rInfo.maChars.getLength() > 0 )
|
|
{
|
|
OUString aChars = rInfo.maChars.makeStringAndClear();
|
|
if( mbEnableTrimSpace && rInfo.mbTrimSpaces )
|
|
aChars = aChars.trim();
|
|
if( !aChars.isEmpty() )
|
|
onCharacters( aChars );
|
|
}
|
|
}
|
|
|
|
// ============================================================================
|
|
|
|
ContextHandler2::ContextHandler2( ContextHandler2Helper& rParent ) :
|
|
ContextHandler( dynamic_cast< ContextHandler& >( rParent ) ),
|
|
ContextHandler2Helper( rParent )
|
|
{
|
|
}
|
|
|
|
ContextHandler2::~ContextHandler2()
|
|
{
|
|
}
|
|
|
|
// com.sun.star.xml.sax.XFastContextHandler interface -------------------------
|
|
|
|
Reference< XFastContextHandler > SAL_CALL ContextHandler2::createFastChildContext(
|
|
sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw( SAXException, RuntimeException )
|
|
{
|
|
return implCreateChildContext( nElement, rxAttribs );
|
|
}
|
|
|
|
void SAL_CALL ContextHandler2::startFastElement(
|
|
sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw( SAXException, RuntimeException )
|
|
{
|
|
implStartElement( nElement, rxAttribs );
|
|
}
|
|
|
|
void SAL_CALL ContextHandler2::characters( const OUString& rChars ) throw( SAXException, RuntimeException )
|
|
{
|
|
implCharacters( rChars );
|
|
}
|
|
|
|
void SAL_CALL ContextHandler2::endFastElement( sal_Int32 nElement ) throw( SAXException, RuntimeException )
|
|
{
|
|
implEndElement( nElement );
|
|
}
|
|
|
|
// oox.core.RecordContext interface -------------------------------------------
|
|
|
|
ContextHandlerRef ContextHandler2::createRecordContext( sal_Int32 nRecId, SequenceInputStream& rStrm )
|
|
{
|
|
return implCreateRecordContext( nRecId, rStrm );
|
|
}
|
|
|
|
void ContextHandler2::startRecord( sal_Int32 nRecId, SequenceInputStream& rStrm )
|
|
{
|
|
implStartRecord( nRecId, rStrm );
|
|
}
|
|
|
|
void ContextHandler2::endRecord( sal_Int32 nRecId )
|
|
{
|
|
implEndRecord( nRecId );
|
|
}
|
|
|
|
// oox.core.ContextHandler2Helper interface -----------------------------------
|
|
|
|
ContextHandlerRef ContextHandler2::onCreateContext( sal_Int32, const AttributeList& )
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void ContextHandler2::onStartElement( const AttributeList& )
|
|
{
|
|
}
|
|
|
|
void ContextHandler2::onCharacters( const OUString& )
|
|
{
|
|
}
|
|
|
|
void ContextHandler2::onEndElement()
|
|
{
|
|
}
|
|
|
|
ContextHandlerRef ContextHandler2::onCreateRecordContext( sal_Int32, SequenceInputStream& )
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void ContextHandler2::onStartRecord( SequenceInputStream& )
|
|
{
|
|
}
|
|
|
|
void ContextHandler2::onEndRecord()
|
|
{
|
|
}
|
|
|
|
// ============================================================================
|
|
|
|
} // namespace core
|
|
} // namespace oox
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|