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(XALANSOURCETREEPROCESSINGINSTRUCTIONALLOCATOR_INCLUDE_GUARD_12455133) 00020 #define XALANSOURCETREEPROCESSINGINSTRUCTIONALLOCATOR_INCLUDE_GUARD_12455133 00021 00022 00023 00024 #include <xalanc/XalanSourceTree/XalanSourceTreeDefinitions.hpp> 00025 00026 00027 00028 #include <xalanc/PlatformSupport/ArenaAllocator.hpp> 00029 00030 00031 00032 #include <xalanc/XalanSourceTree/XalanSourceTreeProcessingInstruction.hpp> 00033 00034 00035 00036 XALAN_CPP_NAMESPACE_BEGIN 00037 00038 00039 00040 class XALAN_XALANSOURCETREE_EXPORT XalanSourceTreeProcessingInstructionAllocator 00041 { 00042 public: 00043 00044 typedef XalanSourceTreeProcessingInstruction ObjectType; 00045 00046 typedef ObjectType::IndexType IndexType; 00047 00048 #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS) 00049 typedef ArenaBlock<ObjectType> ArenaBlockType; 00050 00051 typedef ArenaAllocator<ObjectType, 00052 ArenaBlockType> ArenaAllocatorType; 00053 #else 00054 typedef ArenaAllocator<ObjectType> ArenaAllocatorType; 00055 #endif 00056 00057 typedef ArenaAllocatorType::size_type size_type; 00058 00059 /** 00060 * Construct an instance that will allocate blocks of the specified size. 00061 * 00062 * @param theBlockSize The block size. 00063 */ 00064 XalanSourceTreeProcessingInstructionAllocator(MemoryManager& theManager, size_type theBlockCount); 00065 00066 ~XalanSourceTreeProcessingInstructionAllocator(); 00067 00068 /** 00069 * Create an instance. 00070 * 00071 * @param theTarget The target for the processing instruction. 00072 * @param theData The data for the node 00073 * @param theOwnerDocument The document that owns the instance. 00074 * @param theParentNode The parent node, if any. 00075 * @param thePreviousSibling The next sibling, if any. 00076 * @param theNextSibling The next sibling, if any. 00077 * @param theIndex The document-order index of the node. 00078 * 00079 * @return pointer to the instance 00080 */ 00081 ObjectType* 00082 create( 00083 const XalanDOMString& theTarget, 00084 const XalanDOMString& theData, 00085 XalanSourceTreeDocument* theOwnerDocument, 00086 XalanNode* theParentNode = 0, 00087 XalanNode* thePreviousSibling = 0, 00088 XalanNode* theNextSibling = 0, 00089 IndexType theIndex = 0); 00090 00091 /** 00092 * Delete all objects from allocator. 00093 */ 00094 void 00095 reset(); 00096 00097 /** 00098 * Get size of an ArenaBlock, that is, the number 00099 * of objects in each block. 00100 * 00101 * @return The size of the block 00102 */ 00103 size_type 00104 getBlockCount() const 00105 { 00106 return m_allocator.getBlockCount(); 00107 } 00108 00109 /** 00110 * Get the number of ArenaBlocks currently allocated. 00111 * 00112 * @return The number of blocks. 00113 */ 00114 size_type 00115 getBlockSize() const 00116 { 00117 return m_allocator.getBlockSize(); 00118 } 00119 00120 private: 00121 00122 // Not implemented... 00123 XalanSourceTreeProcessingInstructionAllocator(const XalanSourceTreeProcessingInstructionAllocator&); 00124 00125 XalanSourceTreeProcessingInstructionAllocator& 00126 operator=(const XalanSourceTreeProcessingInstructionAllocator&); 00127 00128 // Data members... 00129 ArenaAllocatorType m_allocator; 00130 }; 00131 00132 00133 00134 XALAN_CPP_NAMESPACE_END 00135 00136 00137 00138 #endif // XALANSOURCETREEPROCESSINGINSTRUCTIONALLOCATOR_INCLUDE_GUARD_12455133
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