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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/relationshandler.hxx"
21 :
22 : #include <rtl/ustrbuf.hxx>
23 : #include "oox/helper/attributelist.hxx"
24 :
25 : namespace oox {
26 : namespace core {
27 :
28 : // ============================================================================
29 :
30 : using namespace ::com::sun::star::uno;
31 : using namespace ::com::sun::star::xml::sax;
32 :
33 : using ::rtl::OUString;
34 : using ::rtl::OUStringBuffer;
35 :
36 : // ============================================================================
37 :
38 : namespace {
39 :
40 : /* Build path to relations file from passed fragment path, e.g.:
41 : 'path/path/file.xml' -> 'path/path/_rels/file.xml.rels'
42 : 'file.xml' -> '_rels/file.xml.rels'
43 : '' -> '_rels/.rels'
44 : */
45 126 : OUString lclGetRelationsPath( const OUString& rFragmentPath )
46 : {
47 126 : sal_Int32 nPathLen = ::std::max< sal_Int32 >( rFragmentPath.lastIndexOf( '/' ) + 1, 0 );
48 : return
49 : OUStringBuffer( rFragmentPath.copy( 0, nPathLen ) ). // file path including slash
50 252 : appendAscii( "_rels/" ). // additional '_rels/' path
51 378 : append( rFragmentPath.copy( nPathLen ) ). // file name after path
52 126 : appendAscii( ".rels" ). // '.rels' suffix
53 252 : makeStringAndClear();
54 : }
55 :
56 : } // namespace
57 :
58 : // ============================================================================
59 :
60 126 : RelationsFragment::RelationsFragment( XmlFilterBase& rFilter, RelationsRef xRelations ) :
61 126 : FragmentHandler( rFilter, lclGetRelationsPath( xRelations->getFragmentPath() ), xRelations ),
62 252 : mxRelations( xRelations )
63 : {
64 126 : }
65 :
66 374 : Reference< XFastContextHandler > RelationsFragment::createFastChildContext(
67 : sal_Int32 nElement, const Reference< XFastAttributeList >& rxAttribs ) throw (SAXException, RuntimeException)
68 : {
69 374 : Reference< XFastContextHandler > xRet;
70 374 : AttributeList aAttribs( rxAttribs );
71 374 : switch( nElement )
72 : {
73 : case PR_TOKEN( Relationship ):
74 : {
75 306 : Relation aRelation;
76 306 : aRelation.maId = aAttribs.getString( XML_Id, OUString() );
77 306 : aRelation.maType = aAttribs.getString( XML_Type, OUString() );
78 306 : aRelation.maTarget = aAttribs.getString( XML_Target, OUString() );
79 306 : if( !aRelation.maId.isEmpty() && !aRelation.maType.isEmpty() && !aRelation.maTarget.isEmpty() )
80 : {
81 306 : sal_Int32 nTargetMode = aAttribs.getToken( XML_TargetMode, XML_Internal );
82 : OSL_ENSURE( (nTargetMode == XML_Internal) || (nTargetMode == XML_External),
83 : "RelationsFragment::createFastChildContext - unexpected target mode, assuming external" );
84 306 : aRelation.mbExternal = nTargetMode != XML_Internal;
85 :
86 : OSL_ENSURE( mxRelations->count( aRelation.maId ) == 0,
87 : "RelationsFragment::createFastChildContext - relation identifier exists already" );
88 306 : mxRelations->insert( Relations::value_type( aRelation.maId, aRelation ) );
89 306 : }
90 : }
91 306 : break;
92 : case PR_TOKEN( Relationships ):
93 68 : xRet = getFastContextHandler();
94 68 : break;
95 : }
96 374 : return xRet;
97 : }
98 :
99 : // ============================================================================
100 :
101 : } // namespace core
102 : } // namespace oox
103 :
104 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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