Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "oox/core/relations.hxx"
      21             : 
      22             : #include <rtl/ustrbuf.hxx>
      23             : #include "oox/helper/helper.hxx"
      24             : 
      25             : namespace oox {
      26             : namespace core {
      27             : 
      28             : namespace {
      29             : 
      30           0 : OUString lclRemoveFileName( const OUString& rPath )
      31             : {
      32           0 :     return rPath.copy( 0, ::std::max< sal_Int32 >( rPath.lastIndexOf( '/' ), 0 ) );
      33             : }
      34             : 
      35           0 : OUString lclAppendFileName( const OUString& rPath, const OUString& rFileName )
      36             : {
      37           0 :     return rPath.isEmpty() ? rFileName :
      38           0 :         OUStringBuffer( rPath ).append( '/' ).append( rFileName ).makeStringAndClear();
      39             : }
      40             : 
      41           0 : OUString createOfficeDocRelationTypeTransitional(const OUString& rType)
      42             : {
      43           0 :     static const OUString aTransitionalBase("http://schemas.openxmlformats.org/officeDocument/2006/relationships/");
      44           0 :     return aTransitionalBase + rType;
      45             : }
      46             : 
      47           0 : OUString createOfficeDocRelationTypeStrict(const OUString& rType)
      48             : {
      49           0 :     static const OUString aStrictBase("http://purl.oclc.org/ooxml/officeDocument/relationships/");
      50           0 :     return aStrictBase + rType;
      51             : }
      52             : 
      53             : }
      54             : 
      55           0 : Relations::Relations( const OUString& rFragmentPath ) :
      56           0 :     maFragmentPath( rFragmentPath )
      57             : {
      58           0 : }
      59             : 
      60           0 : const Relation* Relations::getRelationFromRelId( const OUString& rId ) const
      61             : {
      62           0 :     const_iterator aIt = find( rId );
      63           0 :     return (aIt == end()) ? 0 : &aIt->second;
      64             : }
      65             : 
      66           0 : const Relation* Relations::getRelationFromFirstType( const OUString& rType ) const
      67             : {
      68           0 :     for( const_iterator aIt = begin(), aEnd = end(); aIt != aEnd; ++aIt )
      69           0 :         if( aIt->second.maType.equalsIgnoreAsciiCase( rType ) )
      70           0 :             return &aIt->second;
      71           0 :     return 0;
      72             : }
      73             : 
      74           0 : RelationsRef Relations::getRelationsFromTypeFromOfficeDoc( const OUString& rType ) const
      75             : {
      76           0 :     RelationsRef xRelations( new Relations( maFragmentPath ) );
      77           0 :     for( const_iterator aIt = begin(), aEnd = end(); aIt != aEnd; ++aIt )
      78           0 :         if( aIt->second.maType.equalsIgnoreAsciiCase( createOfficeDocRelationTypeTransitional(rType) ) ||
      79           0 :                 aIt->second.maType.equalsIgnoreAsciiCase( createOfficeDocRelationTypeStrict(rType) ))
      80           0 :             (*xRelations)[ aIt->first ] = aIt->second;
      81           0 :     return xRelations;
      82             : }
      83             : 
      84           0 : OUString Relations::getExternalTargetFromRelId( const OUString& rRelId ) const
      85             : {
      86           0 :     const Relation* pRelation = getRelationFromRelId( rRelId );
      87           0 :     return (pRelation && pRelation->mbExternal) ? pRelation->maTarget : OUString();
      88             : }
      89             : 
      90           0 : OUString Relations::getInternalTargetFromRelId( const OUString& rRelId ) const
      91             : {
      92           0 :     const Relation* pRelation = getRelationFromRelId( rRelId );
      93           0 :     return (pRelation && !pRelation->mbExternal) ? pRelation->maTarget : OUString();
      94             : }
      95             : 
      96           0 : OUString Relations::getFragmentPathFromRelation( const Relation& rRelation ) const
      97             : {
      98             :     // no target, no fragment path
      99           0 :     if( rRelation.mbExternal || rRelation.maTarget.isEmpty() )
     100           0 :         return OUString();
     101             : 
     102             :     // absolute target: return it without leading slash (#i100978)
     103           0 :     if( rRelation.maTarget[ 0 ] == '/' )
     104           0 :         return rRelation.maTarget.copy( 1 );
     105             : 
     106             :     // empty fragment path: return target
     107           0 :     if( maFragmentPath.isEmpty() )
     108           0 :         return rRelation.maTarget;
     109             : 
     110             :     // resolve relative target path according to base path
     111           0 :     OUString aPath = lclRemoveFileName( maFragmentPath );
     112           0 :     sal_Int32 nStartPos = 0;
     113           0 :     while( nStartPos < rRelation.maTarget.getLength() )
     114             :     {
     115           0 :         sal_Int32 nSepPos = rRelation.maTarget.indexOf( '/', nStartPos );
     116           0 :         if( nSepPos < 0 ) nSepPos = rRelation.maTarget.getLength();
     117             :         // append next directory name from aTarget to aPath, or remove last directory on '../'
     118           0 :         if( (nStartPos + 2 == nSepPos) && (rRelation.maTarget[ nStartPos ] == '.') && (rRelation.maTarget[ nStartPos + 1 ] == '.') )
     119           0 :             aPath = lclRemoveFileName( aPath );
     120             :         else
     121           0 :             aPath = lclAppendFileName( aPath, rRelation.maTarget.copy( nStartPos, nSepPos - nStartPos ) );
     122             :         // move nStartPos to next directory name
     123           0 :         nStartPos = nSepPos + 1;
     124             :     }
     125             : 
     126           0 :     return aPath;
     127             : }
     128             : 
     129           0 : OUString Relations::getFragmentPathFromRelId( const OUString& rRelId ) const
     130             : {
     131           0 :     const Relation* pRelation = getRelationFromRelId( rRelId );
     132           0 :     return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
     133             : }
     134             : 
     135           0 : OUString Relations::getFragmentPathFromFirstType( const OUString& rType ) const
     136             : {
     137           0 :     const Relation* pRelation = getRelationFromFirstType( rType );
     138           0 :     return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
     139             : }
     140             : 
     141           0 : OUString Relations::getFragmentPathFromFirstTypeFromOfficeDoc( const OUString& rType ) const
     142             : {
     143           0 :     OUString aTransitionalType(createOfficeDocRelationTypeTransitional(rType));
     144           0 :     const Relation* pRelation = getRelationFromFirstType( aTransitionalType );
     145           0 :     if(!pRelation)
     146             :     {
     147           0 :         OUString aStrictType = createOfficeDocRelationTypeStrict(rType);
     148           0 :         pRelation = getRelationFromFirstType( aStrictType );
     149             :     }
     150           0 :     return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
     151             : }
     152             : 
     153             : } // namespace core
     154             : } // namespace oox
     155             : 
     156             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */