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XStringCachedAllocator.hpp

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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(XSTRINGCACHEDALLOCATOR_INCLUDE_GUARD_1357924680)
00018 #define XSTRINGCACHEDALLOCATOR_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/XStringCached.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 XStringCachedAllocator
00040 {
00041 public:
00042 
00043     typedef XStringCached   string_type;
00044 
00045     typedef string_type::GetAndReleaseCachedString  GetAndReleaseCachedString;
00046 
00047     typedef ReusableArenaAllocator<string_type>     ArenaAllocatorType;
00048     typedef ArenaAllocatorType::size_type           size_type;
00049 
00055     XStringCachedAllocator(size_type    theBlockCount);
00056 
00057     ~XStringCachedAllocator();
00058 
00066     string_type*
00067     createString(GetAndReleaseCachedString&     theValue);
00068 
00076     string_type*
00077     clone(const string_type&    value);
00078 
00082     bool
00083     destroy(string_type*    theString);
00084 
00088     bool
00089     ownsObject(const string_type*   theObject)
00090     {
00091         return m_allocator.ownsObject(theObject);
00092     }
00093 
00097     void 
00098     reset();
00099 
00106     size_type
00107     getBlockCount() const
00108     {
00109         return m_allocator.getBlockCount();
00110     }
00111 
00117     size_type
00118     getBlockSize() const
00119     {
00120         return m_allocator.getBlockSize();
00121     }
00122 
00123 private:
00124 
00125     // Not implemented...
00126     XStringCachedAllocator(const XStringCachedAllocator&);
00127 
00128     XStringCachedAllocator&
00129     operator=(const XStringCachedAllocator&);
00130 
00131     // Data members...
00132     ArenaAllocatorType  m_allocator;
00133 };
00134 
00135 
00136 
00137 XALAN_CPP_NAMESPACE_END
00138 
00139 
00140 
00141 #endif  // XSTRINGCACHEDALLOCATOR_INCLUDE_GUARD_1357924680

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Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.