Xalan-C++ API Documentation

The Xalan C++ XSLT Processor Version 1.10

             

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XalanDOMStringReusableAllocator.hpp

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/*
 * Copyright 1999-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#if !defined(XALANDOMSTRINGREUSABLEALLOCATOR_INCLUDE_GUARD_12455133)
#define XALANDOMSTRINGREUSABLEALLOCATOR_INCLUDE_GUARD_12455133



// Base include file.  Must be first.
#include <xalanc/PlatformSupport/PlatformSupportDefinitions.hpp>



#include <xalanc/PlatformSupport/ReusableArenaAllocator.hpp>



#include <xalanc/XalanDOM/XalanDOMString.hpp>



XALAN_CPP_NAMESPACE_BEGIN



class XALAN_PLATFORMSUPPORT_EXPORT XalanDOMStringReusableAllocator
{
public:

    typedef XalanDOMString                  data_type;
    typedef data_type::size_type            data_type_size_type;

#if defined(XALAN_NO_DEFAULT_TEMPLATE_ARGUMENTS)
    typedef ReusableArenaBlock<data_type>   ArenaBlockType;

    typedef ReusableArenaBlock<data_type,
                           ArenaBlockType>  ArenaAllocatorType;
#else
    typedef ReusableArenaAllocator<data_type>   ArenaAllocatorType;
#endif

    typedef ArenaAllocatorType::size_type   size_type;

    enum { eDefaultBlockSize = 32 };


    XalanDOMStringReusableAllocator(MemoryManagerType&      theManager, size_type   theBlockCount);

    ~XalanDOMStringReusableAllocator();

    data_type&
    create();

    data_type&
    create(
            const char*             theString,
#if defined(_MSC_VER) && (_MSC_VER <= 1300)
            // $$$ ToDo: Some strange bug in MSVC++ complains when using data_type::npos here.
            data_type_size_type     theCount = data_type_size_type(-1));
#else
            data_type_size_type     theCount = data_type_size_type(data_type::npos));
#endif

    data_type&
    create(
            const data_type&        theSource,
            data_type_size_type     theStartPosition = 0,
            data_type_size_type     theCount = data_type_size_type(data_type::npos));

    data_type&
    create(
            const XalanDOMChar*     theString,
            data_type_size_type     theCount = data_type_size_type(data_type::npos));

    data_type&
    create(
            data_type_size_type     theCount,
            XalanDOMChar            theChar);

    /*
     * Destroy a XalanDOMString object.
     *
     */
    bool
    destroy(XalanDOMString&     theDOMString)
    {
        return m_allocator.destroyObject(&theDOMString);
    }

    bool
    ownsObject(const data_type*     theObject)
    {
        return m_allocator.ownsObject(theObject);
    }
    
    void
    reset()
    {
        m_allocator.reset();
    }

    size_type
    getBlockCount() const
    {
        return m_allocator.getBlockCount();
    }

    size_type
    getBlockSize() const
    {
        return m_allocator.getBlockSize();
    }

    MemoryManagerType&
    getMemoryManager()
    {
        return m_allocator.getMemoryManager();
    }

    const MemoryManagerType&
    getMemoryManager() const
    {
        return m_allocator.getMemoryManager();
    }

private:

    // Not implemented...
    XalanDOMStringReusableAllocator(const XalanDOMStringReusableAllocator&);

    XalanDOMStringReusableAllocator&
    operator=(const XalanDOMStringReusableAllocator&);

    // Data members...
    ArenaAllocatorType  m_allocator;
};



XALAN_CPP_NAMESPACE_END



#endif  // XALANDOMSTRINGREUSABLEALLOCATOR_INCLUDE_GUARD_12455133

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Xalan-C++ XSLT Processor Version 1.10 Copyright © 1999-2004 The Apache Software Foundation. All Rights Reserved.