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        9318 : OUString lclRemoveFileName( const OUString& rPath )
      31             : {
      32        9318 :     return rPath.copy( 0, ::std::max< sal_Int32 >( rPath.lastIndexOf( '/' ), 0 ) );
      33             : }
      34             : 
      35       16024 : OUString lclAppendFileName( const OUString& rPath, const OUString& rFileName )
      36             : {
      37       16024 :     return rPath.isEmpty() ? rFileName :
      38       16024 :         OUStringBuffer( rPath ).append( '/' ).append( rFileName ).makeStringAndClear();
      39             : }
      40             : 
      41        7442 : OUString createOfficeDocRelationTypeTransitional(const OUString& rType)
      42             : {
      43        7442 :     static const OUString aTransitionalBase("http://schemas.openxmlformats.org/officeDocument/2006/relationships/");
      44        7442 :     return aTransitionalBase + rType;
      45             : }
      46             : 
      47        1674 : OUString createOfficeDocRelationTypeStrict(const OUString& rType)
      48             : {
      49        1674 :     static const OUString aStrictBase("http://purl.oclc.org/ooxml/officeDocument/relationships/");
      50        1674 :     return aStrictBase + rType;
      51             : }
      52             : 
      53             : }
      54             : 
      55        6828 : Relations::Relations( const OUString& rFragmentPath )
      56             :     : maMap()
      57        6828 :     , maFragmentPath( rFragmentPath )
      58             : {
      59        6828 : }
      60             : 
      61        2706 : const Relation* Relations::getRelationFromRelId( const OUString& rId ) const
      62             : {
      63        2706 :     ::std::map< OUString, Relation >::const_iterator aIt = maMap.find( rId );
      64        2706 :     return (aIt == maMap.end()) ? 0 : &aIt->second;
      65             : }
      66             : 
      67        8902 : const Relation* Relations::getRelationFromFirstType( const OUString& rType ) const
      68             : {
      69       47868 :     for( ::std::map< OUString, Relation >::const_iterator aIt = maMap.begin(), aEnd = maMap.end(); aIt != aEnd; ++aIt )
      70       44838 :         if( aIt->second.maType.equalsIgnoreAsciiCase( rType ) )
      71        5872 :             return &aIt->second;
      72        3030 :     return 0;
      73             : }
      74             : 
      75         920 : RelationsRef Relations::getRelationsFromTypeFromOfficeDoc( const OUString& rType ) const
      76             : {
      77         920 :     RelationsRef xRelations( new Relations( maFragmentPath ) );
      78        1352 :     for( ::std::map< OUString, Relation >::const_iterator aIt = maMap.begin(), aEnd = maMap.end(); aIt != aEnd; ++aIt )
      79        1400 :         if( aIt->second.maType.equalsIgnoreAsciiCase( createOfficeDocRelationTypeTransitional(rType) ) ||
      80         968 :                 aIt->second.maType.equalsIgnoreAsciiCase( createOfficeDocRelationTypeStrict(rType) ))
      81         164 :             xRelations->maMap[ aIt->first ] = aIt->second;
      82         920 :     return xRelations;
      83             : }
      84             : 
      85          18 : OUString Relations::getExternalTargetFromRelId( const OUString& rRelId ) const
      86             : {
      87          18 :     const Relation* pRelation = getRelationFromRelId( rRelId );
      88          18 :     return (pRelation && pRelation->mbExternal) ? pRelation->maTarget : OUString();
      89             : }
      90             : 
      91           0 : OUString Relations::getInternalTargetFromRelId( const OUString& rRelId ) const
      92             : {
      93           0 :     const Relation* pRelation = getRelationFromRelId( rRelId );
      94           0 :     return (pRelation && !pRelation->mbExternal) ? pRelation->maTarget : OUString();
      95             : }
      96             : 
      97        8412 : OUString Relations::getFragmentPathFromRelation( const Relation& rRelation ) const
      98             : {
      99             :     // no target, no fragment path
     100        8412 :     if( rRelation.mbExternal || rRelation.maTarget.isEmpty() )
     101          18 :         return OUString();
     102             : 
     103             :     // absolute target: return it without leading slash (#i100978)
     104        8394 :     if( rRelation.maTarget[ 0 ] == '/' )
     105           0 :         return rRelation.maTarget.copy( 1 );
     106             : 
     107             :     // empty fragment path: return target
     108        8394 :     if( maFragmentPath.isEmpty() )
     109         226 :         return rRelation.maTarget;
     110             : 
     111             :     // resolve relative target path according to base path
     112        8168 :     OUString aPath = lclRemoveFileName( maFragmentPath );
     113        8168 :     sal_Int32 nStartPos = 0;
     114       33510 :     while( nStartPos < rRelation.maTarget.getLength() )
     115             :     {
     116       17174 :         sal_Int32 nSepPos = rRelation.maTarget.indexOf( '/', nStartPos );
     117       17174 :         if( nSepPos < 0 ) nSepPos = rRelation.maTarget.getLength();
     118             :         // append next directory name from aTarget to aPath, or remove last directory on '../'
     119       17174 :         if( (nStartPos + 2 == nSepPos) && (rRelation.maTarget[ nStartPos ] == '.') && (rRelation.maTarget[ nStartPos + 1 ] == '.') )
     120        1150 :             aPath = lclRemoveFileName( aPath );
     121             :         else
     122       16024 :             aPath = lclAppendFileName( aPath, rRelation.maTarget.copy( nStartPos, nSepPos - nStartPos ) );
     123             :         // move nStartPos to next directory name
     124       17174 :         nStartPos = nSepPos + 1;
     125             :     }
     126             : 
     127        8168 :     return aPath;
     128             : }
     129             : 
     130        2422 : OUString Relations::getFragmentPathFromRelId( const OUString& rRelId ) const
     131             : {
     132        2422 :     const Relation* pRelation = getRelationFromRelId( rRelId );
     133        2422 :     return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
     134             : }
     135             : 
     136         486 : OUString Relations::getFragmentPathFromFirstType( const OUString& rType ) const
     137             : {
     138         486 :     const Relation* pRelation = getRelationFromFirstType( rType );
     139         486 :     return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
     140             : }
     141             : 
     142        7010 : OUString Relations::getFragmentPathFromFirstTypeFromOfficeDoc( const OUString& rType ) const
     143             : {
     144        7010 :     OUString aTransitionalType(createOfficeDocRelationTypeTransitional(rType));
     145        7010 :     const Relation* pRelation = getRelationFromFirstType( aTransitionalType );
     146        7010 :     if(!pRelation)
     147             :     {
     148        1406 :         OUString aStrictType = createOfficeDocRelationTypeStrict(rType);
     149        1406 :         pRelation = getRelationFromFirstType( aStrictType );
     150             :     }
     151        7010 :     return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
     152             : }
     153             : 
     154             : } // namespace core
     155             : } // namespace oox
     156             : 
     157             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */