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(XALANSOURCETREECOMMENTALLOCATOR_INCLUDE_GUARD_12455133) 00020 #define XALANSOURCETREECOMMENTALLOCATOR_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/XalanSourceTreeComment.hpp> 00033 00034 00035 00036 XALAN_CPP_NAMESPACE_BEGIN 00037 00038 00039 00040 class XALAN_XALANSOURCETREE_EXPORT XalanSourceTreeCommentAllocator 00041 { 00042 public: 00043 00044 typedef XalanSourceTreeComment 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 XalanSourceTreeCommentAllocator(MemoryManager& theManager, size_type theBlockCount); 00065 00066 ~XalanSourceTreeCommentAllocator(); 00067 00068 /** 00069 * Create an instance. 00070 * 00071 * @param theData The data for the comment 00072 * @param theOwnerDocument The owner document of the comment node. 00073 * @param theParentNode The parent node, if any. 00074 * @param thePreviousSibling The next sibling, if any. 00075 * @param theNextSibling The next sibling, if any. 00076 * @param theIndex The document-order index of the node. 00077 * 00078 * @return pointer to the instance 00079 */ 00080 ObjectType* 00081 create( 00082 const XalanDOMString& theData, 00083 XalanSourceTreeDocument* theOwnerDocument, 00084 XalanNode* theParentNode = 0, 00085 XalanNode* thePreviousSibling = 0, 00086 XalanNode* theNextSibling = 0, 00087 IndexType theIndex = 0); 00088 00089 /** 00090 * Delete all objects from allocator. 00091 */ 00092 void 00093 reset(); 00094 00095 /** 00096 * Get size of an ArenaBlock, that is, the number 00097 * of objects in each block. 00098 * 00099 * @return The size of the block 00100 */ 00101 size_type 00102 getBlockCount() const 00103 { 00104 return m_allocator.getBlockCount(); 00105 } 00106 00107 /** 00108 * Get the number of ArenaBlocks currently allocated. 00109 * 00110 * @return The number of blocks. 00111 */ 00112 size_type 00113 getBlockSize() const 00114 { 00115 return m_allocator.getBlockSize(); 00116 } 00117 00118 private: 00119 00120 // Not implemented... 00121 XalanSourceTreeCommentAllocator(const XalanSourceTreeCommentAllocator&); 00122 00123 XalanSourceTreeCommentAllocator& 00124 operator=(const XalanSourceTreeCommentAllocator&); 00125 00126 // Data members... 00127 ArenaAllocatorType m_allocator; 00128 }; 00129 00130 00131 00132 XALAN_CPP_NAMESPACE_END 00133 00134 00135 00136 #endif // XALANSOURCETREECOMMENTALLOCATOR_INCLUDE_GUARD_12455133
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