00001 /* 00002 * Licensed to the Apache Software Foundation (ASF) under one 00003 * or more contributor license agreements. See the NOTICE file 00004 * distributed with this work for additional information 00005 * regarding copyright ownership. The ASF licenses this file 00006 * to you under the Apache License, Version 2.0 (the "License"); 00007 * you may not use this file except in compliance with the License. 00008 * You may obtain a copy of the License at 00009 * 00010 * http://www.apache.org/licenses/LICENSE-2.0 00011 * 00012 * Unless required by applicable law or agreed to in writing, software 00013 * distributed under the License is distributed on an "AS IS" BASIS, 00014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00015 * See the License for the specific language governing permissions and 00016 * limitations under the License. 00017 */ 00018 00019 #if !defined(XNODESETALLOCATOR_INCLUDE_GUARD_12455133) 00020 #define XNODESETALLOCATOR_INCLUDE_GUARD_12455133 00021 00022 00023 00024 // Base include file. Must be first. 00025 #include <xalanc/XPath/XPathDefinitions.hpp> 00026 00027 00028 00029 #include <xalanc/XPath/XNodeSet.hpp> 00030 00031 00032 00033 #include <xalanc/PlatformSupport/ReusableArenaAllocator.hpp> 00034 00035 00036 00037 XALAN_CPP_NAMESPACE_BEGIN 00038 00039 00040 00041 class XALAN_XPATH_EXPORT XNodeSetAllocator 00042 { 00043 public: 00044 00045 typedef XPathExecutionContext::BorrowReturnMutableNodeRefList BorrowReturnMutableNodeRefList; 00046 00047 typedef XNodeSet nodeset_type; 00048 00049 typedef ReusableArenaAllocator<nodeset_type> ArenaAllocatorType; 00050 typedef ArenaAllocatorType::size_type size_type; 00051 00052 /** 00053 * Construct an instance that will allocate blocks of the specified size. 00054 * 00055 * @param theBlockSize The block size. 00056 */ 00057 XNodeSetAllocator(MemoryManager& theManager, size_type theBlockCount); 00058 00059 ~XNodeSetAllocator(); 00060 00061 /** 00062 * Create an XNodeSet object using allocator from a string. 00063 * 00064 * @param value source NodeRefListBase 00065 * 00066 * @return pointer to a node 00067 */ 00068 nodeset_type* 00069 createNodeSet(BorrowReturnMutableNodeRefList& value); 00070 00071 00072 /** 00073 * Delete an XNodeSet object from allocator. 00074 */ 00075 bool 00076 destroy(nodeset_type* theNodeSet); 00077 00078 /** 00079 * Determine if an object is owned by the allocator... 00080 */ 00081 bool 00082 ownsObject(const nodeset_type* theObject) 00083 { 00084 return m_allocator.ownsObject(theObject); 00085 } 00086 00087 /** 00088 * Delete all XNodeSet objects from allocator. 00089 */ 00090 void 00091 reset(); 00092 00093 /** 00094 * Get size of an ArenaBlock, that is, the number 00095 * of objects in each block. 00096 * 00097 * @return The size of the block 00098 */ 00099 size_type 00100 getBlockCount() const 00101 { 00102 return m_allocator.getBlockCount(); 00103 } 00104 00105 /** 00106 * Get the number of ArenaBlocks currently allocated. 00107 * 00108 * @return The number of blocks. 00109 */ 00110 size_type 00111 getBlockSize() const 00112 { 00113 return m_allocator.getBlockSize(); 00114 } 00115 00116 00117 private: 00118 00119 // Not implemented... 00120 XNodeSetAllocator(const XNodeSetAllocator&); 00121 00122 XNodeSetAllocator& 00123 operator=(const XNodeSetAllocator&); 00124 00125 // Data members... 00126 ArenaAllocatorType m_allocator; 00127 }; 00128 00129 00130 00131 XALAN_CPP_NAMESPACE_END 00132 00133 00134 00135 #endif // XNODESETALLOCATOR_INCLUDE_GUARD_12455133
Doxygen and GraphViz are used to generate this API documentation from the Xalan-C header files.
Xalan-C++ XSLT Processor Version 1.11 |
|