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2 /*
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9  * This file incorporates work covered by the following license notice:
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17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 #include "attriblistmerge.hxx"
21 
22 #include <osl/diagnose.h>
23 
24 #include <numeric>
25 
26 namespace xmloff
27 {
28 
29     using namespace ::com::sun::star::uno;
30     using namespace ::com::sun::star;
31 
32     //= OAttribListMerger
addList(const Reference<xml::sax::XAttributeList> & _rxList)33     void OAttribListMerger::addList(const Reference< xml::sax::XAttributeList >& _rxList)
34     {
35         OSL_ENSURE(_rxList.is(), "OAttribListMerger::addList: invalid list!");
36         if (_rxList.is())
37             m_aLists.push_back(_rxList);
38     }
39 
seekToIndex(sal_Int16 _nGlobalIndex,Reference<xml::sax::XAttributeList> & _rSubList,sal_Int16 & _rLocalIndex)40     bool OAttribListMerger::seekToIndex(sal_Int16 _nGlobalIndex, Reference< xml::sax::XAttributeList >& _rSubList, sal_Int16& _rLocalIndex)
41     {
42         sal_Int16 nLeftOver = _nGlobalIndex;
43         AttributeListArray::const_iterator aLookupSublist = m_aLists.begin();
44 
45         for ( ; (aLookupSublist != m_aLists.end()) && (nLeftOver >= (*aLookupSublist)->getLength());
46                 ++aLookupSublist
47             )
48             nLeftOver = nLeftOver - (*aLookupSublist)->getLength();
49 
50         if (aLookupSublist == m_aLists.end())
51         {
52             OSL_FAIL("OAttribListMerger::seekToIndex: invalid index!");
53             return false;
54         }
55         _rSubList = *aLookupSublist;
56         _rLocalIndex = nLeftOver;
57         return true;
58     }
59 
seekToName(const OUString & _rName,Reference<xml::sax::XAttributeList> & _rSubList,sal_Int16 & _rLocalIndex)60     bool OAttribListMerger::seekToName(const OUString& _rName, Reference< xml::sax::XAttributeList >& _rSubList, sal_Int16& _rLocalIndex)
61     {
62         for ( const auto& rLookupSublist : m_aLists )
63             for (sal_Int16 i=0; i<rLookupSublist->getLength(); ++i)
64                 if (rLookupSublist->getNameByIndex(i) == _rName)
65                 {
66                     _rSubList = rLookupSublist;
67                     _rLocalIndex = i;
68                     return true;
69                 }
70 
71         OSL_FAIL("OAttribListMerger::seekToName: did not find the name!");
72         return false;
73     }
74 
getLength()75     sal_Int16 SAL_CALL OAttribListMerger::getLength(  )
76     {
77         return std::accumulate(m_aLists.begin(), m_aLists.end(), static_cast<sal_Int16>(0),
78             [](sal_Int16 sum, AttributeListArray::value_type& rAccumulate) { return sum + rAccumulate->getLength(); });
79     }
80 
getNameByIndex(sal_Int16 i)81     OUString SAL_CALL OAttribListMerger::getNameByIndex( sal_Int16 i )
82     {
83         Reference< xml::sax::XAttributeList > xSubList;
84         sal_Int16 nLocalIndex;
85 
86         if (!seekToIndex(i, xSubList, nLocalIndex))
87             return OUString();
88 
89         return xSubList->getNameByIndex(nLocalIndex);
90     }
91 
getTypeByIndex(sal_Int16 i)92     OUString SAL_CALL OAttribListMerger::getTypeByIndex( sal_Int16 i )
93     {
94         Reference< xml::sax::XAttributeList > xSubList;
95         sal_Int16 nLocalIndex;
96 
97         if (!seekToIndex(i, xSubList, nLocalIndex))
98             return OUString();
99 
100         return xSubList->getTypeByIndex(nLocalIndex);
101     }
102 
getTypeByName(const OUString & _rName)103     OUString SAL_CALL OAttribListMerger::getTypeByName( const OUString& _rName )
104     {
105         Reference< xml::sax::XAttributeList > xSubList;
106         sal_Int16 nLocalIndex;
107 
108         if (!seekToName(_rName, xSubList, nLocalIndex))
109             return OUString();
110 
111         // though we're in getTypeByName here, we reroute this to the getTypeByIndex of the sub list,
112         // assuming that this is faster
113         return xSubList->getTypeByIndex(nLocalIndex);
114     }
115 
getValueByIndex(sal_Int16 i)116     OUString SAL_CALL OAttribListMerger::getValueByIndex( sal_Int16 i )
117     {
118         Reference< xml::sax::XAttributeList > xSubList;
119         sal_Int16 nLocalIndex;
120 
121         if (!seekToIndex(i, xSubList, nLocalIndex))
122             return OUString();
123 
124         return xSubList->getValueByIndex(nLocalIndex);
125     }
126 
getValueByName(const OUString & _rName)127     OUString SAL_CALL OAttribListMerger::getValueByName( const OUString& _rName )
128     {
129         Reference< xml::sax::XAttributeList > xSubList;
130         sal_Int16 nLocalIndex;
131 
132         if (!seekToName(_rName, xSubList, nLocalIndex))
133             return OUString();
134 
135         // though we're in getValueByName here, we reroute this to the getValueByIndex of the sub list,
136         // assuming that this is faster
137         return xSubList->getValueByIndex(nLocalIndex);
138     }
139 
140 }   // namespace xmloff
141 
142 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
143