xref: /aoo4110/main/unoxml/source/xpath/nodelist.cxx (revision b1cdbd2c)
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20  *************************************************************/
21 
22 
23 
24 #include <nodelist.hxx>
25 
26 #include "../dom/document.hxx"
27 
28 namespace XPath
29 {
CNodeList(::rtl::Reference<DOM::CDocument> const & pDocument,::osl::Mutex & rMutex,boost::shared_ptr<xmlXPathObject> const & rxpathObj)30     CNodeList::CNodeList(
31                 ::rtl::Reference<DOM::CDocument> const& pDocument,
32                 ::osl::Mutex & rMutex,
33                 boost::shared_ptr<xmlXPathObject> const& rxpathObj)
34         : m_pDocument(pDocument)
35         , m_rMutex(rMutex)
36         , m_pNodeSet(0)
37     {
38         if( bool(rxpathObj) && rxpathObj->type == XPATH_NODESET)
39         {
40             m_pNodeSet = rxpathObj->nodesetval;
41             m_pXPathObj = rxpathObj;
42         }
43     }
44 
45     /**
46     The number of nodes in the list.
47     */
getLength()48     sal_Int32 SAL_CALL CNodeList::getLength() throw (RuntimeException)
49     {
50         ::osl::MutexGuard const g(m_rMutex);
51 
52         sal_Int32 value = 0;
53         if (m_pNodeSet != NULL)
54             value = xmlXPathNodeSetGetLength(m_pNodeSet);
55         return value;
56     }
57 
58     /**
59     Returns the indexth item in the collection.
60     */
item(sal_Int32 index)61     Reference< XNode > SAL_CALL CNodeList::item(sal_Int32 index)
62         throw (RuntimeException)
63     {
64         ::osl::MutexGuard const g(m_rMutex);
65 
66         if (0 == m_pNodeSet) {
67             return 0;
68         }
69         xmlNodePtr const pNode = xmlXPathNodeSetItem(m_pNodeSet, index);
70         Reference< XNode > const xNode(m_pDocument->GetCNode(pNode).get());
71         return xNode;
72     }
73 }
74 
75