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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.
*
************************************************************************/
#include "oox/core/relations.hxx"
#include <rtl/ustrbuf.hxx>
#include "oox/helper/helper.hxx"
using ::rtl::OUString;
using ::rtl::OUStringBuffer;
namespace oox {
namespace core {
// ============================================================================
namespace {
OUString lclRemoveFileName( const OUString& rPath )
{
return rPath.copy( 0, ::std::max< sal_Int32 >( rPath.lastIndexOf( '/' ), 0 ) );
}
OUString lclAppendFileName( const OUString& rPath, const OUString& rFileName )
{
return (rPath.getLength() == 0) ? rFileName :
OUStringBuffer( rPath ).append( sal_Unicode( '/' ) ).append( rFileName ).makeStringAndClear();
}
} // namespace
// ============================================================================
Relations::Relations( const OUString& rFragmentPath ) :
maFragmentPath( rFragmentPath )
{
}
const Relation* Relations::getRelationFromRelId( const OUString& rId ) const
{
const_iterator aIt = find( rId );
return (aIt == end()) ? 0 : &aIt->second;
}
const Relation* Relations::getRelationFromFirstType( const OUString& rType ) const
{
for( const_iterator aIt = begin(), aEnd = end(); aIt != aEnd; ++aIt )
if( aIt->second.maType == rType )
return &aIt->second;
return 0;
}
RelationsRef Relations::getRelationsFromType( const OUString& rType ) const
{
RelationsRef xRelations( new Relations( maFragmentPath ) );
for( const_iterator aIt = begin(), aEnd = end(); aIt != aEnd; ++aIt )
if( aIt->second.maType == rType )
(*xRelations)[ aIt->first ] = aIt->second;
return xRelations;
}
OUString Relations::getExternalTargetFromRelId( const OUString& rRelId ) const
{
const Relation* pRelation = getRelationFromRelId( rRelId );
return (pRelation && pRelation->mbExternal) ? pRelation->maTarget : OUString();
}
OUString Relations::getExternalTargetFromFirstType( const OUString& rType ) const
{
const Relation* pRelation = getRelationFromFirstType( rType );
return (pRelation && pRelation->mbExternal) ? pRelation->maTarget : OUString();
}
OUString Relations::getFragmentPathFromRelation( const Relation& rRelation ) const
{
// no target, no fragment path
if( rRelation.mbExternal || (rRelation.maTarget.getLength() == 0) )
return OUString();
// absolute target: return it without leading slash (#i100978)
if( rRelation.maTarget[ 0 ] == '/' )
return rRelation.maTarget.copy( 1 );
// empty fragment path: return target
if( maFragmentPath.getLength() == 0 )
return rRelation.maTarget;
// resolve relative target path according to base path
OUString aPath = lclRemoveFileName( maFragmentPath );
sal_Int32 nStartPos = 0;
while( nStartPos < rRelation.maTarget.getLength() )
{
sal_Int32 nSepPos = rRelation.maTarget.indexOf( '/', nStartPos );
if( nSepPos < 0 ) nSepPos = rRelation.maTarget.getLength();
// append next directory name from aTarget to aPath, or remove last directory on '../'
if( (nStartPos + 2 == nSepPos) && (rRelation.maTarget[ nStartPos ] == '.') && (rRelation.maTarget[ nStartPos + 1 ] == '.') )
aPath = lclRemoveFileName( aPath );
else
aPath = lclAppendFileName( aPath, rRelation.maTarget.copy( nStartPos, nSepPos - nStartPos ) );
// move nStartPos to next directory name
nStartPos = nSepPos + 1;
}
return aPath;
}
OUString Relations::getFragmentPathFromRelId( const OUString& rRelId ) const
{
const Relation* pRelation = getRelationFromRelId( rRelId );
return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
}
OUString Relations::getFragmentPathFromFirstType( const OUString& rType ) const
{
const Relation* pRelation = getRelationFromFirstType( rType );
return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
}
// ============================================================================
} // namespace core
} // namespace oox
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