00001 /* 00002 * Copyright 1999-2004 The Apache Software Foundation. 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #if !defined(XNODESETALLOCATOR_INCLUDE_GUARD_12455133) 00018 #define XNODESETALLOCATOR_INCLUDE_GUARD_12455133 00019 00020 00021 00022 // Base include file. Must be first. 00023 #include <xalanc/XPath/XPathDefinitions.hpp> 00024 00025 00026 00027 #include <xalanc/XPath/XNodeSet.hpp> 00028 00029 00030 00031 #include <xalanc/PlatformSupport/ReusableArenaAllocator.hpp> 00032 00033 00034 00035 XALAN_CPP_NAMESPACE_BEGIN 00036 00037 00038 00039 class XALAN_XPATH_EXPORT XNodeSetAllocator 00040 { 00041 public: 00042 00043 typedef XPathExecutionContext::BorrowReturnMutableNodeRefList BorrowReturnMutableNodeRefList; 00044 00045 typedef XNodeSet nodeset_type; 00046 00047 typedef ReusableArenaAllocator<nodeset_type> ArenaAllocatorType; 00048 typedef ArenaAllocatorType::size_type size_type; 00049 00055 XNodeSetAllocator(MemoryManagerType& theManager, size_type theBlockCount); 00056 00057 ~XNodeSetAllocator(); 00058 00066 nodeset_type* 00067 createNodeSet(BorrowReturnMutableNodeRefList& value); 00068 00069 00073 bool 00074 destroy(nodeset_type* theNodeSet); 00075 00079 bool 00080 ownsObject(const nodeset_type* theObject) 00081 { 00082 return m_allocator.ownsObject(theObject); 00083 } 00084 00088 void 00089 reset(); 00090 00097 size_type 00098 getBlockCount() const 00099 { 00100 return m_allocator.getBlockCount(); 00101 } 00102 00108 size_type 00109 getBlockSize() const 00110 { 00111 return m_allocator.getBlockSize(); 00112 } 00113 00114 00115 private: 00116 00117 // Not implemented... 00118 XNodeSetAllocator(const XNodeSetAllocator&); 00119 00120 XNodeSetAllocator& 00121 operator=(const XNodeSetAllocator&); 00122 00123 // Data members... 00124 ArenaAllocatorType m_allocator; 00125 }; 00126 00127 00128 00129 XALAN_CPP_NAMESPACE_END 00130 00131 00132 00133 #endif // XNODESETALLOCATOR_INCLUDE_GUARD_12455133
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