1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #include <childlist.hxx> 25 26 #include <libxml/tree.h> 27 28 #include <node.hxx> 29 #include <document.hxx> 30 31 32 namespace DOM 33 { CChildList(::rtl::Reference<CNode> const & pBase,::osl::Mutex & rMutex)34 CChildList::CChildList(::rtl::Reference<CNode> const& pBase, 35 ::osl::Mutex & rMutex) 36 : m_pNode(pBase) 37 , m_rMutex(rMutex) 38 { 39 } 40 41 /** 42 The number of nodes in the list. 43 */ getLength()44 sal_Int32 SAL_CALL CChildList::getLength() throw (RuntimeException) 45 { 46 ::osl::MutexGuard const g(m_rMutex); 47 48 sal_Int32 length = 0; 49 if (m_pNode != NULL) 50 { 51 xmlNodePtr cur = m_pNode->GetNodePtr(); 52 if (0 != cur) { 53 cur = cur->children; 54 } 55 while (cur != NULL) 56 { 57 length++; 58 cur = cur->next; 59 } 60 } 61 return length; 62 63 } 64 /** 65 Returns the indexth item in the collection. 66 */ item(sal_Int32 index)67 Reference< XNode > SAL_CALL CChildList::item(sal_Int32 index) 68 throw (RuntimeException) 69 { 70 ::osl::MutexGuard const g(m_rMutex); 71 72 if (m_pNode != NULL) 73 { 74 xmlNodePtr cur = m_pNode->GetNodePtr(); 75 if (0 != cur) { 76 cur = cur->children; 77 } 78 while (cur != NULL) 79 { 80 if (index-- == 0) { 81 return Reference< XNode >( 82 m_pNode->GetOwnerDocument().GetCNode(cur).get()); 83 } 84 cur = cur->next; 85 } 86 } 87 return 0; 88 } 89 } 90