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XalanAllocator.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  *
00005  * Copyright (c) 1999-2004 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
00040  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00041  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00042  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00043  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00044  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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(XALANALLOCATOR_INCLUDE_GUARD_1357924680)
00059 #define XALANALLOCATOR_INCLUDE_GUARD_1357924680
00060 
00061 
00062 
00063 #include <cstddef>
00064 
00065 
00066 
00067 XALAN_CPP_NAMESPACE_BEGIN
00068 
00069 
00070 
00071 template <class Type>
00072 class XalanAllocator
00073 {
00074 public:
00075     typedef size_t          size_type;
00076     typedef ptrdiff_t       difference_type;
00077     typedef Type*           pointer;
00078     typedef const Type*     const_pointer;
00079     typedef Type&           reference;
00080     typedef const Type&     const_reference;
00081     typedef Type            value_type;
00082 
00083     XalanAllocator()
00084     {
00085     }
00086 
00087     XalanAllocator(const XalanAllocator<Type>&)
00088     {
00089     };
00090 
00091     ~XalanAllocator()
00092     {
00093     }
00094 
00095     pointer
00096     address(reference   x) const
00097     {
00098         return &x;
00099     }
00100 
00101     const_pointer
00102     address(const_reference     x) const
00103     {
00104         return &x;
00105     }
00106 
00107     pointer
00108     allocate(
00109             size_type       size,
00110             const void*     /* hint */ = 0)
00111     {
00112         return (pointer)operator new(size * sizeof(Type));
00113     }
00114 
00115     void
00116     deallocate(
00117                 pointer     p,
00118                 size_type   /* n */)
00119     {
00120         operator delete(p);
00121     }
00122 
00123     size_type
00124     max_size() const
00125     {
00126         return ~0;
00127     }
00128 
00129     void
00130     construct(
00131             pointer         p,
00132             const Type&     val)
00133     {
00134         new (p) Type(val);
00135     }
00136 
00137     void
00138     destroy(pointer     p)
00139     {
00140         p->Type::~Type();
00141     }
00142 };
00143 
00144 
00145 
00146 XALAN_CPP_NAMESPACE_END
00147 
00148 
00149 
00150 #endif  // XALANALLOCATOR_INCLUDE_GUARD_1357924680

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