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XalanElemEmptyAllocator.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999-2002 The Apache Software Foundation.  All rights 
00006  * reserved.
00007  *
00008  * Redistribution and use in source and binary forms, with or without
00009  * modification, are permitted provided that the following conditions
00010  * are met:
00011  *
00012  * 1. Redistributions of source code must retain the above copyright
00013  *    notice, this list of conditions and the following disclaimer. 
00014  *
00015  * 2. Redistributions in binary form must reproduce the above copyright
00016  *    notice, this list of conditions and the following disclaimer in
00017  *    the documentation and/or other materials provided with the
00018  *    distribution.
00019  *
00020  * 3. The end-user documentation included with the redistribution,
00021  *    if any, must include the following acknowledgment:  
00022  *       "This product includes software developed by the
00023  *        Apache Software Foundation (http://www.apache.org/)."
00024  *    Alternately, this acknowledgment may appear in the software itself,
00025  *    if and wherever such third-party acknowledgments normally appear.
00026  *
00027  * 4. The names "Xalan" and "Apache Software Foundation" must
00028  *    not be used to endorse or promote products derived from this
00029  *    software without prior written permission. For written 
00030  *    permission, please contact apache@apache.org.
00031  *
00032  * 5. Products derived from this software may not be called "Apache",
00033  *    nor may "Apache" appear in their name, without prior written
00034  *    permission of the Apache Software Foundation.
00035  *
00036  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00037  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00038  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00039  * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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00045  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00046  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00047  * SUCH DAMAGE.
00048  * ====================================================================
00049  *
00050  * This software consists of voluntary contributions made by many
00051  * individuals on behalf of the Apache Software Foundation and was
00052  * originally based on software copyright (c) 1999, International
00053  * Business Machines, Inc., http://www.ibm.com.  For more
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00055  * <http://www.apache.org/>.
00056  */
00057 
00058 #if !defined(XALANELEMEMPTYALLOCATOR_INCLUDE_GUARD_12455133)
00059 #define XALANELEMEMPTYALLOCATOR_INCLUDE_GUARD_12455133
00060 
00061 
00062 
00063 // Base include file.  Must be first.
00064 #include <xalanc/XSLT/XSLTDefinitions.hpp>
00065 
00066 
00067 
00068 #include <xalanc/XSLT/ElemEmpty.hpp>
00069 
00070 
00071 
00072 #include <xalanc/PlatformSupport/ReusableArenaAllocator.hpp>
00073 
00074 
00075 
00076 XALAN_CPP_NAMESPACE_BEGIN
00077 
00078 
00079 
00080 class XALAN_XSLT_EXPORT XalanElemEmptyAllocator
00081 {
00082 public:
00083 
00084     typedef ElemEmpty                           data_type;
00085 
00086     typedef ReusableArenaAllocator<data_type>   ArenaAllocatorType;
00087 
00088     typedef ArenaAllocatorType::size_type       size_type;
00089 
00095     XalanElemEmptyAllocator(size_type       theBlockCount);
00096 
00097     ~XalanElemEmptyAllocator();
00098     
00110     data_type*
00111     create(
00112             StylesheetConstructionContext&  constructionContext,
00113             Stylesheet&                     stylesheetTree,
00114             int                             lineNumber,
00115             int                             columnNumber,
00116             const XalanDOMString*           elementName = 0);
00117 
00125     data_type*
00126     create(
00127             StylesheetConstructionContext&  constructionContext,
00128             Stylesheet&                     stylesheetTree,
00129             const XalanDOMString*           elementName = 0);
00130 
00138     bool
00139     destroy(data_type*  theObject)
00140     {
00141         return m_allocator.destroyObject(theObject);
00142     }
00143 
00147     bool
00148     ownsObject(const data_type*     theObject)
00149     {
00150         return m_allocator.ownsObject(theObject);
00151     }
00152 
00156     void
00157     reset()
00158     {
00159         m_allocator.reset();
00160     }
00161 
00167     size_type
00168     getBlockCount() const
00169     {
00170         return m_allocator.getBlockCount();
00171     }
00172 
00179     size_type
00180     getBlockSize() const
00181     {
00182         return m_allocator.getBlockSize();
00183     }
00184 
00185 private:
00186 
00187     // Not implemented...
00188     XalanElemEmptyAllocator(const XalanElemEmptyAllocator&);
00189 
00190     XalanElemEmptyAllocator&
00191     operator=(const XalanElemEmptyAllocator&);
00192 
00193     // Data members...
00194     ArenaAllocatorType  m_allocator;
00195 };
00196 
00197 
00198 
00199 XALAN_CPP_NAMESPACE_END
00200 
00201 
00202 
00203 #endif  // XALANELEMEMPTYALLOCATOR_INCLUDE_GUARD_12455133

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Xalan-C++ XSLT Processor Version 1.6
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