xref: /aoo42x/main/oox/source/core/relations.cxx (revision ca5ec200)
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21 
22 
23 
24 #include "oox/core/relations.hxx"
25 
26 #include <rtl/ustrbuf.hxx>
27 #include "oox/helper/helper.hxx"
28 
29 namespace oox {
30 namespace core {
31 
32 // ============================================================================
33 
34 using ::rtl::OUString;
35 using ::rtl::OUStringBuffer;
36 
37 // ============================================================================
38 
39 namespace {
40 
lclRemoveFileName(const OUString & rPath)41 OUString lclRemoveFileName( const OUString& rPath )
42 {
43     return rPath.copy( 0, ::std::max< sal_Int32 >( rPath.lastIndexOf( '/' ), 0 ) );
44 }
45 
lclAppendFileName(const OUString & rPath,const OUString & rFileName)46 OUString lclAppendFileName( const OUString& rPath, const OUString& rFileName )
47 {
48     return (rPath.getLength() == 0) ? rFileName :
49         OUStringBuffer( rPath ).append( sal_Unicode( '/' ) ).append( rFileName ).makeStringAndClear();
50 }
51 
52 } // namespace
53 
54 // ============================================================================
55 
Relations(const OUString & rFragmentPath)56 Relations::Relations( const OUString& rFragmentPath ) :
57     maFragmentPath( rFragmentPath )
58 {
59 }
60 
getRelationFromRelId(const OUString & rId) const61 const Relation* Relations::getRelationFromRelId( const OUString& rId ) const
62 {
63     const_iterator aIt = find( rId );
64     return (aIt == end()) ? 0 : &aIt->second;
65 }
66 
getRelationFromFirstType(const OUString & rType) const67 const Relation* Relations::getRelationFromFirstType( const OUString& rType ) const
68 {
69     for( const_iterator aIt = begin(), aEnd = end(); aIt != aEnd; ++aIt )
70         if( aIt->second.maType.equalsIgnoreAsciiCase( rType ) )
71             return &aIt->second;
72     return 0;
73 }
74 
getRelationsFromType(const OUString & rType) const75 RelationsRef Relations::getRelationsFromType( const OUString& rType ) const
76 {
77     RelationsRef xRelations( new Relations( maFragmentPath ) );
78     for( const_iterator aIt = begin(), aEnd = end(); aIt != aEnd; ++aIt )
79         if( aIt->second.maType.equalsIgnoreAsciiCase( rType ) )
80             (*xRelations)[ aIt->first ] = aIt->second;
81     return xRelations;
82 }
83 
getExternalTargetFromRelId(const OUString & rRelId) const84 OUString Relations::getExternalTargetFromRelId( const OUString& rRelId ) const
85 {
86     const Relation* pRelation = getRelationFromRelId( rRelId );
87     return (pRelation && pRelation->mbExternal) ? pRelation->maTarget : OUString();
88 }
89 
getExternalTargetFromFirstType(const OUString & rType) const90 OUString Relations::getExternalTargetFromFirstType( const OUString& rType ) const
91 {
92     const Relation* pRelation = getRelationFromFirstType( rType );
93     return (pRelation && pRelation->mbExternal) ? pRelation->maTarget : OUString();
94 }
95 
getFragmentPathFromRelation(const Relation & rRelation) const96 OUString Relations::getFragmentPathFromRelation( const Relation& rRelation ) const
97 {
98     // no target, no fragment path
99     if( rRelation.mbExternal || (rRelation.maTarget.getLength() == 0) )
100         return OUString();
101 
102     // absolute target: return it without leading slash (#i100978)
103     if( rRelation.maTarget[ 0 ] == '/' )
104         return rRelation.maTarget.copy( 1 );
105 
106     // empty fragment path: return target
107     if( maFragmentPath.getLength() == 0 )
108         return rRelation.maTarget;
109 
110     // resolve relative target path according to base path
111     OUString aPath = lclRemoveFileName( maFragmentPath );
112     sal_Int32 nStartPos = 0;
113     while( nStartPos < rRelation.maTarget.getLength() )
114     {
115         sal_Int32 nSepPos = rRelation.maTarget.indexOf( '/', nStartPos );
116         if( nSepPos < 0 ) nSepPos = rRelation.maTarget.getLength();
117         // append next directory name from aTarget to aPath, or remove last directory on '../'
118         if( (nStartPos + 2 == nSepPos) && (rRelation.maTarget[ nStartPos ] == '.') && (rRelation.maTarget[ nStartPos + 1 ] == '.') )
119             aPath = lclRemoveFileName( aPath );
120         else
121             aPath = lclAppendFileName( aPath, rRelation.maTarget.copy( nStartPos, nSepPos - nStartPos ) );
122         // move nStartPos to next directory name
123         nStartPos = nSepPos + 1;
124     }
125 
126     return aPath;
127 }
128 
getFragmentPathFromRelId(const OUString & rRelId) const129 OUString Relations::getFragmentPathFromRelId( const OUString& rRelId ) const
130 {
131     const Relation* pRelation = getRelationFromRelId( rRelId );
132     return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
133 }
134 
getFragmentPathFromFirstType(const OUString & rType) const135 OUString Relations::getFragmentPathFromFirstType( const OUString& rType ) const
136 {
137     const Relation* pRelation = getRelationFromFirstType( rType );
138     return pRelation ? getFragmentPathFromRelation( *pRelation ) : OUString();
139 }
140 
141 // ============================================================================
142 
143 } // namespace core
144 } // namespace oox
145