xref: /aoo42x/main/unoxml/source/dom/childlist.cxx (revision cdf0e10c)
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27 
28 #include <childlist.hxx>
29 
30 #include <libxml/tree.h>
31 
32 #include <node.hxx>
33 #include <document.hxx>
34 
35 
36 namespace DOM
37 {
38     CChildList::CChildList(::rtl::Reference<CNode> const& pBase,
39                 ::osl::Mutex & rMutex)
40         : m_pNode(pBase)
41         , m_rMutex(rMutex)
42     {
43     }
44 
45     /**
46     The number of nodes in the list.
47     */
48     sal_Int32 SAL_CALL CChildList::getLength() throw (RuntimeException)
49     {
50         ::osl::MutexGuard const g(m_rMutex);
51 
52         sal_Int32 length = 0;
53         if (m_pNode != NULL)
54         {
55             xmlNodePtr cur = m_pNode->GetNodePtr();
56             if (0 != cur) {
57                 cur = cur->children;
58             }
59             while (cur != NULL)
60             {
61                 length++;
62                 cur = cur->next;
63             }
64         }
65         return length;
66 
67     }
68     /**
69     Returns the indexth item in the collection.
70     */
71     Reference< XNode > SAL_CALL CChildList::item(sal_Int32 index)
72         throw (RuntimeException)
73     {
74         ::osl::MutexGuard const g(m_rMutex);
75 
76         if (m_pNode != NULL)
77         {
78             xmlNodePtr cur = m_pNode->GetNodePtr();
79             if (0 != cur) {
80                 cur = cur->children;
81             }
82             while (cur != NULL)
83             {
84                 if (index-- == 0) {
85                     return Reference< XNode >(
86                             m_pNode->GetOwnerDocument().GetCNode(cur).get());
87                 }
88                 cur = cur->next;
89             }
90         }
91         return 0;
92     }
93 }
94