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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /oox/source/core/relations.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.tar.xz libreoffice-940b4d1848e8c70ab7642901a68594e8016caffc.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'oox/source/core/relations.cxx')
-rw-r--r-- | oox/source/core/relations.cxx | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/oox/source/core/relations.cxx b/oox/source/core/relations.cxx new file mode 100644 index 000000000..cd2570052 --- /dev/null +++ b/oox/source/core/relations.cxx @@ -0,0 +1,154 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <sal/config.h> + +#include <algorithm> + +#include <oox/core/relations.hxx> + +namespace oox::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.isEmpty() ? rFileName : + rPath + OUStringChar('/') + rFileName; +} + +OUString createOfficeDocRelationTypeTransitional(const OUString& rType) +{ + return "http://schemas.openxmlformats.org/officeDocument/2006/relationships/" + rType; +} + +OUString createOfficeDocRelationTypeStrict(const OUString& rType) +{ + return "http://purl.oclc.org/ooxml/officeDocument/relationships/" + rType; +} + +} + +Relations::Relations( const OUString& rFragmentPath ) + : maMap() + , maFragmentPath( rFragmentPath ) +{ +} + +const Relation* Relations::getRelationFromRelId( const OUString& rId ) const +{ + ::std::map< OUString, Relation >::const_iterator aIt = maMap.find( rId ); + return (aIt == maMap.end()) ? nullptr : &aIt->second; +} + +const Relation* Relations::getRelationFromFirstType( const OUString& rType ) const +{ + for (auto const& elem : maMap) + if( elem.second.maType.equalsIgnoreAsciiCase( rType ) ) + return &elem.second; + return nullptr; +} + +RelationsRef Relations::getRelationsFromTypeFromOfficeDoc( const OUString& rType ) const +{ + RelationsRef xRelations = std::make_shared<Relations>( maFragmentPath ); + for (auto const& elem : maMap) + if( elem.second.maType.equalsIgnoreAsciiCase( createOfficeDocRelationTypeTransitional(rType) ) || + elem.second.maType.equalsIgnoreAsciiCase( createOfficeDocRelationTypeStrict(rType) )) + xRelations->maMap[ elem.first ] = elem.second; + return xRelations; +} + +OUString Relations::getExternalTargetFromRelId( const OUString& rRelId ) const +{ + const Relation* pRelation = getRelationFromRelId( rRelId ); + return (pRelation && pRelation->mbExternal) ? pRelation->maTarget : OUString(); +} + +OUString Relations::getInternalTargetFromRelId( const OUString& rRelId ) const +{ + const Relation* pRelation = getRelationFromRelId( rRelId ); + return (pRelation && !pRelation->mbExternal) ? pRelation->maTarget : OUString(); +} + +OUString Relations::getFragmentPathFromRelation( const Relation& rRelation ) const +{ + // no target, no fragment path + if( rRelation.mbExternal || rRelation.maTarget.isEmpty() ) + 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.isEmpty() ) + 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(); +} + +OUString Relations::getFragmentPathFromFirstTypeFromOfficeDoc( const OUString& rType ) const +{ + OUString aTransitionalType(createOfficeDocRelationTypeTransitional(rType)); + const Relation* pRelation = getRelationFromFirstType( aTransitionalType ); + if(!pRelation) + { + OUString aStrictType = createOfficeDocRelationTypeStrict(rType); + pRelation = getRelationFromFirstType( aStrictType ); + } + return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString(); +} + +} // namespace oox::core + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |