xref: /AOO41X/main/unoxml/source/xpath/nodelist.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir #include <nodelist.hxx>
29*cdf0e10cSrcweir 
30*cdf0e10cSrcweir #include "../dom/document.hxx"
31*cdf0e10cSrcweir 
32*cdf0e10cSrcweir namespace XPath
33*cdf0e10cSrcweir {
34*cdf0e10cSrcweir     CNodeList::CNodeList(
35*cdf0e10cSrcweir                 ::rtl::Reference<DOM::CDocument> const& pDocument,
36*cdf0e10cSrcweir                 ::osl::Mutex & rMutex,
37*cdf0e10cSrcweir                 boost::shared_ptr<xmlXPathObject> const& rxpathObj)
38*cdf0e10cSrcweir         : m_pDocument(pDocument)
39*cdf0e10cSrcweir         , m_rMutex(rMutex)
40*cdf0e10cSrcweir         , m_pNodeSet(0)
41*cdf0e10cSrcweir     {
42*cdf0e10cSrcweir         if (rxpathObj != NULL && rxpathObj->type == XPATH_NODESET)
43*cdf0e10cSrcweir         {
44*cdf0e10cSrcweir             m_pNodeSet = rxpathObj->nodesetval;
45*cdf0e10cSrcweir             m_pXPathObj = rxpathObj;
46*cdf0e10cSrcweir         }
47*cdf0e10cSrcweir     }
48*cdf0e10cSrcweir 
49*cdf0e10cSrcweir     /**
50*cdf0e10cSrcweir     The number of nodes in the list.
51*cdf0e10cSrcweir     */
52*cdf0e10cSrcweir     sal_Int32 SAL_CALL CNodeList::getLength() throw (RuntimeException)
53*cdf0e10cSrcweir     {
54*cdf0e10cSrcweir         ::osl::MutexGuard const g(m_rMutex);
55*cdf0e10cSrcweir 
56*cdf0e10cSrcweir         sal_Int32 value = 0;
57*cdf0e10cSrcweir         if (m_pNodeSet != NULL)
58*cdf0e10cSrcweir             value = xmlXPathNodeSetGetLength(m_pNodeSet);
59*cdf0e10cSrcweir         return value;
60*cdf0e10cSrcweir     }
61*cdf0e10cSrcweir 
62*cdf0e10cSrcweir     /**
63*cdf0e10cSrcweir     Returns the indexth item in the collection.
64*cdf0e10cSrcweir     */
65*cdf0e10cSrcweir     Reference< XNode > SAL_CALL CNodeList::item(sal_Int32 index)
66*cdf0e10cSrcweir         throw (RuntimeException)
67*cdf0e10cSrcweir     {
68*cdf0e10cSrcweir         ::osl::MutexGuard const g(m_rMutex);
69*cdf0e10cSrcweir 
70*cdf0e10cSrcweir         if (0 == m_pNodeSet) {
71*cdf0e10cSrcweir             return 0;
72*cdf0e10cSrcweir         }
73*cdf0e10cSrcweir         xmlNodePtr const pNode = xmlXPathNodeSetItem(m_pNodeSet, index);
74*cdf0e10cSrcweir         Reference< XNode > const xNode(m_pDocument->GetCNode(pNode).get());
75*cdf0e10cSrcweir         return xNode;
76*cdf0e10cSrcweir     }
77*cdf0e10cSrcweir }
78*cdf0e10cSrcweir 
79