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(XALANAVTPARTSIMPLEALLOCATOR_INCLUDE_GUARD_12455133) 00020 #define XALANAVTPARTSIMPLEALLOCATOR_INCLUDE_GUARD_12455133 00021 00022 00023 00024 // Base include file. Must be first. 00025 #include <xalanc/XSLT/XSLTDefinitions.hpp> 00026 00027 00028 00029 #include <xalanc/XSLT/AVTPartSimple.hpp> 00030 00031 00032 00033 #include <xalanc/PlatformSupport/ArenaAllocator.hpp> 00034 00035 00036 00037 XALAN_CPP_NAMESPACE_BEGIN 00038 00039 00040 00041 class XALAN_XSLT_EXPORT XalanAVTPartSimpleAllocator 00042 { 00043 public: 00044 00045 typedef AVTPartSimple data_type; 00046 00047 #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS) 00048 typedef ArenaBlock<data_type> ArenaBlockType; 00049 typedef ArenaAllocator<data_type, 00050 ArenaBlockType> ArenaAllocatorType; 00051 #else 00052 typedef ArenaAllocator<data_type> ArenaAllocatorType; 00053 #endif 00054 00055 typedef ArenaAllocatorType::size_type size_type; 00056 00057 /** 00058 * Construct an instance that will allocate blocks of the specified size. 00059 * 00060 * @param theBlockSize The block size. 00061 */ 00062 XalanAVTPartSimpleAllocator(MemoryManager& theManager, size_type theBlockCount); 00063 00064 ~XalanAVTPartSimpleAllocator(); 00065 00066 /** 00067 * Create an instance. 00068 * 00069 * @param constructionContext context when object constructed 00070 * @param val A pure string section of an AVT 00071 * @param len The length of val 00072 * 00073 * @return A pointer to the new instance. 00074 */ 00075 data_type* 00076 create( 00077 StylesheetConstructionContext& constructionContext, 00078 const XalanDOMChar* val, 00079 XalanDOMString::size_type len); 00080 00081 /** 00082 * Determine if an object is owned by the allocator... 00083 */ 00084 bool 00085 ownsObject(const data_type* theObject) 00086 { 00087 return m_allocator.ownsObject(theObject); 00088 } 00089 00090 /** 00091 * Delete all objects from the allocator. 00092 */ 00093 void 00094 reset() 00095 { 00096 m_allocator.reset(); 00097 } 00098 00099 /** 00100 * Get the number of ArenaBlocks currently allocated. 00101 * 00102 * @return The number of blocks. 00103 */ 00104 size_type 00105 getBlockCount() const 00106 { 00107 return m_allocator.getBlockCount(); 00108 } 00109 00110 /** 00111 * Get size of an ArenaBlock, that is, the number 00112 * of objects in each block. 00113 * 00114 * @return The size of the block 00115 */ 00116 size_type 00117 getBlockSize() const 00118 { 00119 return m_allocator.getBlockSize(); 00120 } 00121 00122 private: 00123 00124 // Not implemented... 00125 XalanAVTPartSimpleAllocator(const XalanAVTPartSimpleAllocator&); 00126 00127 XalanAVTPartSimpleAllocator& 00128 operator=(const XalanAVTPartSimpleAllocator&); 00129 00130 // Data members... 00131 ArenaAllocatorType m_allocator; 00132 }; 00133 00134 00135 00136 XALAN_CPP_NAMESPACE_END 00137 00138 00139 00140 #endif // XALANAVTPARTSIMPLEALLOCATOR_INCLUDE_GUARD_12455133
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