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(MemoryManagerType& theManager, 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 00093 bool 00094 destroy(string_type* theString); 00095 00099 bool 00100 ownsObject(const string_type* theObject) 00101 { 00102 return m_allocator.ownsObject(theObject); 00103 } 00104 00108 void 00109 reset(); 00110 00117 size_type 00118 getBlockCount() const 00119 { 00120 return m_allocator.getBlockCount(); 00121 } 00122 00128 size_type 00129 getBlockSize() const 00130 { 00131 return m_allocator.getBlockSize(); 00132 } 00133 00134 private: 00135 00136 // Not implemented... 00137 XStringAllocator(const XStringAllocator&); 00138 00139 XStringAllocator& 00140 operator=(const XStringAllocator&); 00141 00142 // Data members... 00143 ArenaAllocatorType m_allocator; 00144 }; 00145 00146 00147 00148 XALAN_CPP_NAMESPACE_END 00149 00150 00151 00152 #endif // XSTRINGALLOCATOR_INCLUDE_GUARD_1357924680
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