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 #if !defined(XALANDOMSTRINGPOOL_HEADER_GUARD_1357924680) 00017 #define XALANDOMSTRINGPOOL_HEADER_GUARD_1357924680 00018 00019 00020 00021 // Base include file. Must be first. 00022 #include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp> 00023 00024 00025 00026 #include <xalanc/PlatformSupport/ArenaAllocator.hpp> 00027 #include <xalanc/PlatformSupport/DOMStringHelper.hpp> 00028 #include <xalanc/PlatformSupport/XalanDOMStringAllocator.hpp> 00029 #include <xalanc/PlatformSupport/XalanDOMStringHashTable.hpp> 00030 00031 00032 00033 XALAN_CPP_NAMESPACE_BEGIN 00034 00035 00036 00037 class XALAN_PLATFORMSUPPORT_EXPORT XalanDOMStringPool 00038 { 00039 public: 00040 00041 enum { eDefaultBlockSize = 32, 00042 eDefaultBucketCount = XalanDOMStringHashTable::eDefaultBucketCount, 00043 eDefaultBucketSize = XalanDOMStringHashTable::eDefaultBucketSize }; 00044 00045 typedef XalanDOMStringAllocator AllocatorType; 00046 00047 typedef AllocatorType::size_type block_size_type; 00048 typedef size_t bucket_count_type; 00049 typedef XalanDOMStringHashTable::bucket_size_type bucket_size_type; 00050 00058 explicit 00059 XalanDOMStringPool( 00060 MemoryManagerType& theManager, 00061 block_size_type theBlockSize = eDefaultBlockSize, 00062 bucket_count_type theBucketCount = eDefaultBucketCount, 00063 bucket_size_type theBucketSize = eDefaultBucketSize); 00064 00065 static XalanDOMStringPool* 00066 create( 00067 MemoryManagerType& theManager, 00068 block_size_type theBlockSize = eDefaultBlockSize, 00069 bucket_count_type theBucketCount = eDefaultBucketCount, 00070 bucket_size_type theBucketSize = eDefaultBucketSize); 00071 00072 00073 virtual 00074 ~XalanDOMStringPool(); 00075 00080 virtual void 00081 clear(); 00082 00088 virtual size_t 00089 size() const; 00090 00097 virtual const XalanDOMString& 00098 get(const XalanDOMString& theString); 00099 00107 virtual const XalanDOMString& 00108 get( 00109 const XalanDOMChar* theString, 00110 XalanDOMString::size_type theLength = XalanDOMString::npos); 00111 00118 const XalanDOMStringHashTable& 00119 getHashTable() const 00120 { 00121 return m_hashTable; 00122 } 00123 00124 MemoryManagerType& 00125 getMemoryManager() 00126 { 00127 return m_hashTable.getMemoryManager(); 00128 } 00129 00130 const MemoryManagerType& 00131 getMemoryManager() const 00132 { 00133 return m_hashTable.getMemoryManager(); 00134 } 00135 00136 private: 00137 00138 // Not implemented, for now... 00139 XalanDOMStringPool(const XalanDOMStringPool&); 00140 00141 XalanDOMStringPool& 00142 operator=(const XalanDOMStringPool&); 00143 00144 bool 00145 operator==(const XalanDOMStringPool&) const; 00146 00147 // Data members... 00148 AllocatorType m_stringAllocator; 00149 00150 size_t m_stringCount; 00151 00152 XalanDOMStringHashTable m_hashTable; 00153 00154 static const XalanDOMString s_emptyString; 00155 }; 00156 00157 00158 00159 XALAN_CPP_NAMESPACE_END 00160 00161 00162 00163 #endif // !defined(XALANDOMSTRINGPOOL_HEADER_GUARD_1357924680)
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