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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::__anona7bf5dc60111::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