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 00017 #if !defined(XSTRINGALLOCATOR_INCLUDE_GUARD_1357924680) 00018 #define XSTRINGALLOCATOR_INCLUDE_GUARD_1357924680 00019 00020 00021 00022 // Base include file. Must be first. 00023 #include <xalanc/XPath/XPathDefinitions.hpp> 00024 00025 00026 00027 #include <xalanc/XPath/XString.hpp> 00028 00029 00030 00031 #include <xalanc/PlatformSupport/ReusableArenaAllocator.hpp> 00032 00033 00034 00035 XALAN_CPP_NAMESPACE_BEGIN 00036 00037 00038 00039 class XALAN_XPATH_EXPORT XStringAllocator 00040 { 00041 public: 00042 00043 typedef XString string_type; 00044 00045 typedef ReusableArenaAllocator<string_type> ArenaAllocatorType; 00046 typedef ArenaAllocatorType::size_type size_type; 00047 00053 XStringAllocator(size_type theBlockCount); 00054 00055 ~XStringAllocator(); 00056 00064 string_type* 00065 createString(const XalanDOMString& theString); 00066 00074 string_type* 00075 createString(const XalanDOMChar* theString); 00076 00085 string_type* 00086 createString( 00087 const XalanDOMChar* theString, 00088 unsigned int theLength); 00089 00097 string_type* 00098 clone(const XString& value); 00099 00103 bool 00104 destroy(string_type* theString); 00105 00109 bool 00110 ownsObject(const string_type* theObject) 00111 { 00112 return m_allocator.ownsObject(theObject); 00113 } 00114 00118 void 00119 reset(); 00120 00127 size_type 00128 getBlockCount() const 00129 { 00130 return m_allocator.getBlockCount(); 00131 } 00132 00138 size_type 00139 getBlockSize() const 00140 { 00141 return m_allocator.getBlockSize(); 00142 } 00143 00144 private: 00145 00146 // Not implemented... 00147 XStringAllocator(const XStringAllocator&); 00148 00149 XStringAllocator& 00150 operator=(const XStringAllocator&); 00151 00152 // Data members... 00153 ArenaAllocatorType m_allocator; 00154 }; 00155 00156 00157 00158 XALAN_CPP_NAMESPACE_END 00159 00160 00161 00162 #endif // XSTRINGALLOCATOR_INCLUDE_GUARD_1357924680
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