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2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
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21
22
23
24 #include "oox/helper/containerhelper.hxx"
25
26 #include <com/sun/star/container/XIndexContainer.hpp>
27 #include <com/sun/star/container/XNameContainer.hpp>
28 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
29 #include <com/sun/star/uno/XComponentContext.hpp>
30 #include <rtl/ustrbuf.hxx>
31 #include "oox/helper/helper.hxx"
32
33 namespace oox {
34
35 // ============================================================================
36
37 using namespace ::com::sun::star::container;
38 using namespace ::com::sun::star::lang;
39 using namespace ::com::sun::star::uno;
40
41 using ::rtl::OUString;
42 using ::rtl::OUStringBuffer;
43
44 // ============================================================================
45
46 namespace {
47
48 struct ValueRangeComp
49 {
operator ()oox::__anon53e29e770111::ValueRangeComp50 inline bool operator()( const ValueRange& rRange, sal_Int32 nValue ) const { return rRange.mnLast < nValue; }
51 };
52
53 } // namespace
54
55 // ----------------------------------------------------------------------------
56
insert(const ValueRange & rRange)57 void ValueRangeSet::insert( const ValueRange& rRange )
58 {
59 // find the first range that contains or follows the starting point of the passed range
60 ValueRangeVector::iterator aBeg = maRanges.begin();
61 ValueRangeVector::iterator aEnd = maRanges.end();
62 ValueRangeVector::iterator aIt = ::std::lower_bound( aBeg, aEnd, rRange.mnFirst, ValueRangeComp() );
63 // nothing to do if found range contains passed range
64 if( (aIt != aEnd) && aIt->contains( rRange ) ) return;
65 // check if previous range can be used to merge with the passed range
66 if( (aIt != aBeg) && ((aIt - 1)->mnLast + 1 == rRange.mnFirst) ) --aIt;
67 // check if current range (aIt) can be used to merge with passed range
68 if( (aIt != aEnd) && aIt->intersects( rRange ) )
69 {
70 // set new start value to existing range
71 aIt->mnFirst = ::std::min( aIt->mnFirst, rRange.mnFirst );
72 // search first range that cannot be merged anymore (aNext)
73 ValueRangeVector::iterator aNext = aIt + 1;
74 while( (aNext != aEnd) && aNext->intersects( rRange ) ) ++aNext;
75 // set new end value to existing range
76 aIt->mnLast = ::std::max( (aNext - 1)->mnLast, rRange.mnLast );
77 // remove ranges covered by new existing range (aIt)
78 maRanges.erase( aIt + 1, aNext );
79 }
80 else
81 {
82 // merging not possible: insert new range
83 maRanges.insert( aIt, rRange );
84 }
85 }
86
getIntersection(const ValueRange & rRange) const87 ValueRangeVector ValueRangeSet::getIntersection( const ValueRange& rRange ) const
88 {
89 ValueRangeVector aRanges;
90 // find the range that contains nFirst or the first range that follows nFirst
91 ValueRangeVector::const_iterator aIt = ::std::lower_bound( maRanges.begin(), maRanges.end(), rRange.mnFirst, ValueRangeComp() );
92 for( ValueRangeVector::const_iterator aEnd = maRanges.end(); (aIt != aEnd) && (aIt->mnFirst <= rRange.mnLast); ++aIt )
93 aRanges.push_back( ValueRange( ::std::max( aIt->mnFirst, rRange.mnFirst ), ::std::min( aIt->mnLast, rRange.mnLast ) ) );
94 return aRanges;
95 }
96
97 // ============================================================================
98
createIndexContainer(const Reference<XComponentContext> & rxContext)99 Reference< XIndexContainer > ContainerHelper::createIndexContainer( const Reference< XComponentContext >& rxContext )
100 {
101 Reference< XIndexContainer > xContainer;
102 if( rxContext.is() ) try
103 {
104 Reference< XMultiServiceFactory > xFactory( rxContext->getServiceManager(), UNO_QUERY_THROW );
105 xContainer.set( xFactory->createInstance( CREATE_OUSTRING( "com.sun.star.document.IndexedPropertyValues" ) ), UNO_QUERY_THROW );
106 }
107 catch( Exception& )
108 {
109 }
110 OSL_ENSURE( xContainer.is(), "ContainerHelper::createIndexContainer - cannot create container" );
111 return xContainer;
112 }
113
insertByIndex(const Reference<XIndexContainer> & rxIndexContainer,sal_Int32 nIndex,const Any & rObject)114 bool ContainerHelper::insertByIndex(
115 const Reference< XIndexContainer >& rxIndexContainer,
116 sal_Int32 nIndex, const Any& rObject )
117 {
118 OSL_ENSURE( rxIndexContainer.is(), "ContainerHelper::insertByIndex - missing XIndexContainer interface" );
119 bool bRet = false;
120 try
121 {
122 rxIndexContainer->insertByIndex( nIndex, rObject );
123 bRet = true;
124 }
125 catch( Exception& )
126 {
127 }
128 OSL_ENSURE( bRet, "ContainerHelper::insertByIndex - cannot insert object" );
129 return bRet;
130 }
131
createNameContainer(const Reference<XComponentContext> & rxContext)132 Reference< XNameContainer > ContainerHelper::createNameContainer( const Reference< XComponentContext >& rxContext )
133 {
134 Reference< XNameContainer > xContainer;
135 if( rxContext.is() ) try
136 {
137 Reference< XMultiServiceFactory > xFactory( rxContext->getServiceManager(), UNO_QUERY_THROW );
138 xContainer.set( xFactory->createInstance( CREATE_OUSTRING( "com.sun.star.document.NamedPropertyValues" ) ), UNO_QUERY_THROW );
139 }
140 catch( Exception& )
141 {
142 }
143 OSL_ENSURE( xContainer.is(), "ContainerHelper::createNameContainer - cannot create container" );
144 return xContainer;
145 }
146
getUnusedName(const Reference<XNameAccess> & rxNameAccess,const OUString & rSuggestedName,sal_Unicode cSeparator,sal_Int32 nFirstIndexToAppend)147 OUString ContainerHelper::getUnusedName(
148 const Reference< XNameAccess >& rxNameAccess, const OUString& rSuggestedName,
149 sal_Unicode cSeparator, sal_Int32 nFirstIndexToAppend )
150 {
151 OSL_ENSURE( rxNameAccess.is(), "ContainerHelper::getUnusedName - missing XNameAccess interface" );
152
153 OUString aNewName = rSuggestedName;
154 sal_Int32 nIndex = nFirstIndexToAppend;
155 while( rxNameAccess->hasByName( aNewName ) )
156 aNewName = OUStringBuffer( rSuggestedName ).append( cSeparator ).append( nIndex++ ).makeStringAndClear();
157 return aNewName;
158 }
159
insertByName(const Reference<XNameContainer> & rxNameContainer,const OUString & rName,const Any & rObject,bool bReplaceOldExisting)160 bool ContainerHelper::insertByName(
161 const Reference< XNameContainer >& rxNameContainer,
162 const OUString& rName, const Any& rObject, bool bReplaceOldExisting )
163 {
164 OSL_ENSURE( rxNameContainer.is(), "ContainerHelper::insertByName - missing XNameContainer interface" );
165 bool bRet = false;
166 try
167 {
168 if( bReplaceOldExisting && rxNameContainer->hasByName( rName ) )
169 rxNameContainer->replaceByName( rName, rObject );
170 else
171 rxNameContainer->insertByName( rName, rObject );
172 bRet = true;
173 }
174 catch( Exception& )
175 {
176 }
177 OSL_ENSURE( bRet, "ContainerHelper::insertByName - cannot insert object" );
178 return bRet;
179 }
180
insertByUnusedName(const Reference<XNameContainer> & rxNameContainer,const OUString & rSuggestedName,sal_Unicode cSeparator,const Any & rObject,bool bRenameOldExisting)181 OUString ContainerHelper::insertByUnusedName(
182 const Reference< XNameContainer >& rxNameContainer,
183 const OUString& rSuggestedName, sal_Unicode cSeparator,
184 const Any& rObject, bool bRenameOldExisting )
185 {
186 OSL_ENSURE( rxNameContainer.is(), "ContainerHelper::insertByUnusedName - missing XNameContainer interface" );
187
188 // find an unused name
189 Reference< XNameAccess > xNameAccess( rxNameContainer, UNO_QUERY );
190 OUString aNewName = getUnusedName( xNameAccess, rSuggestedName, cSeparator );
191
192 // rename existing object
193 if( bRenameOldExisting && rxNameContainer->hasByName( rSuggestedName ) )
194 {
195 try
196 {
197 Any aOldObject = rxNameContainer->getByName( rSuggestedName );
198 rxNameContainer->removeByName( rSuggestedName );
199 rxNameContainer->insertByName( aNewName, aOldObject );
200 aNewName = rSuggestedName;
201 }
202 catch( Exception& )
203 {
204 OSL_ENSURE( false, "ContainerHelper::insertByUnusedName - cannot rename old object" );
205 }
206 }
207
208 // insert the new object and return its resulting name
209 insertByName( rxNameContainer, aNewName, rObject );
210 return aNewName;
211 }
212
213 // ============================================================================
214
215 } // namespace oox
216