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XPathAllocator.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
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00057 
00058 #if !defined(XPATHALLOCATOR_INCLUDE_GUARD_135792455)
00059 #define XPATHALLOCATOR_INCLUDE_GUARD_135792455
00060 
00061 
00062 
00063 // Base include file.  Must be first.
00064 #include <XPath/XPathDefinitions.hpp>
00065 
00066 
00067 
00068 #include <PlatformSupport/ArenaAllocator.hpp>
00069 
00070 
00071 
00072 #include <XPath/XPath.hpp>
00073 
00074 
00075 
00076 class XALAN_XPATH_EXPORT XPathAllocator
00077 {
00078 public:
00079 
00080     typedef XPath                           object_type;
00081 
00082 #if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS)
00083     typedef ArenaBlock<object_type>         ArenaBlockType;
00084 
00085     typedef ArenaAllocator<object_type,
00086                            ArenaBlockType>  ArenaAllocatorType;
00087 #else
00088     typedef ArenaAllocator<object_type>     ArenaAllocatorType;
00089 #endif
00090 
00091     typedef ArenaAllocatorType::size_type   size_type;
00092 
00098     XPathAllocator(size_type    theBlockCount);
00099 
00100     ~XPathAllocator();
00101 
00107     object_type*
00108     create();
00109 
00113     bool
00114     ownsObject(const object_type*   theObject)
00115     {
00116         return m_allocator.ownsObject(theObject);
00117     }
00118     
00122     void
00123     reset();
00124 
00130     size_type
00131     getBlockCount() const
00132     {
00133         return m_allocator.getBlockCount();
00134     }
00135 
00141     size_type
00142     getBlockSize() const
00143     {
00144         return m_allocator.getBlockSize();
00145     }
00146 
00147 private:
00148 
00149     // Not implemented...
00150     XPathAllocator(const XPathAllocator&);
00151 
00152     XPathAllocator&
00153     operator=(const XPathAllocator&);
00154 
00155     // Data members...
00156     ArenaAllocatorType  m_allocator;
00157 };
00158 
00159 
00160 
00161 #endif  // XNUMBERALLOCATOR_INCLUDE_GUARD_135792455

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