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Posted to commits@xalan.apache.org by db...@apache.org on 2001/11/01 16:54:44 UTC

cvs commit: xml-xalan/c/src/XSLT XResultTreeFrag.cpp XResultTreeFrag.hpp XResultTreeFragAllocator.cpp XResultTreeFragAllocator.hpp

dbertoni    01/11/01 07:54:44

  Added:       c/src/XSLT XResultTreeFrag.cpp XResultTreeFrag.hpp
                        XResultTreeFragAllocator.cpp
                        XResultTreeFragAllocator.hpp
  Log:
  Moved here from XPath.
  
  Revision  Changes    Path
  1.1                  xml-xalan/c/src/XSLT/XResultTreeFrag.cpp
  
  Index: XResultTreeFrag.cpp
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 1999-2001 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:  
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Xalan" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation and was
   * originally based on software copyright (c) 1999, International
   * Business Machines, Inc., http://www.ibm.com.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  // Class header file.
  #include "XResultTreeFrag.hpp"
  
  
  
  #include <XalanDOM/XalanNodeList.hpp>
  #include <XalanDOM/XalanText.hpp>
  
  
  
  #include <PlatformSupport/DOMStringHelper.hpp>
  #include <PlatformSupport/DoubleSupport.hpp>
  
  
  
  #include <DOMSupport/DOMServices.hpp>
  
  
  
  #include <XPath/NodeRefListBase.hpp>
  #include <XPath/ResultTreeFragBase.hpp>
  #include <XPath/XObjectTypeCallback.hpp>
  
  
  
  #include <XSLT/StylesheetExecutionContext.hpp>
  
  
  
  XResultTreeFrag::XResultTreeFrag(ResultTreeFragBase&	value) :
  	XObject(eTypeResultTreeFrag),
  	m_value(&value),
  	m_cachedStringValue(),
  	m_cachedNumberValue(0.0),
  	m_executionContext(0)
  {
  }
  
  
  
  XResultTreeFrag::XResultTreeFrag(
  			const XResultTreeFrag&	source,
  			bool					/* deepClone */) :
  	XObject(source),
  	m_value(source.m_value),
  	m_cachedStringValue(source.m_cachedStringValue),
  	m_cachedNumberValue(source.m_cachedNumberValue),
  	m_executionContext(0)
  {
  	assert(m_value != 0);
  }
  
  
  
  XResultTreeFrag::~XResultTreeFrag()
  {
  }
  
  
  
  #if defined(XALAN_NO_COVARIANT_RETURN_TYPE)
  XObject*
  #else
  XResultTreeFrag*
  #endif
  XResultTreeFrag::clone(void*	theAddress) const
  {
  	return theAddress == 0 ? new XResultTreeFrag(*this) : new (theAddress) XResultTreeFrag(*this);
  };
  
  
  
  XalanDOMString
  XResultTreeFrag::getTypeString() const
  {
  	return StaticStringToDOMString(XALAN_STATIC_UCODE_STRING("#RESULT_TREE_FRAG"));
  }
  
  
  
  double
  XResultTreeFrag::num() const
  {
  	if (m_cachedNumberValue == 0.0)
  	{
  #if defined(XALAN_NO_MUTABLE)
  		((XResultTreeFrag*)this)->m_cachedNumberValue = DoubleSupport::toDouble(str());
  #else
  		m_cachedNumberValue = DoubleSupport::toDouble(str());
  #endif
  	}
  
  	return m_cachedNumberValue;
  }
  
  
  
  bool
  XResultTreeFrag::boolean() const
  {
  	// Result tree fragments always evaluate to true.
  	return true;
  }
  
  
  
  const XalanDOMString&
  XResultTreeFrag::str() const
  {
  	if (isEmpty(m_cachedStringValue) == true)
  	{
  #if defined(XALAN_NO_MUTABLE)
  		DOMServices::getNodeData(*m_value, ((XResultTreeFrag*)this)->m_cachedStringValue);
  #else
  		DOMServices::getNodeData(*m_value, m_cachedStringValue);
  #endif
  	}
  
  	return m_cachedStringValue;
  }
  
  
  
  void
  XResultTreeFrag::str(
  			FormatterListener&	formatterListener,
  			MemberFunctionPtr	function) const
  {
  	if (isEmpty(m_cachedStringValue) == false)
  	{
  		assert(length(m_cachedStringValue) == FormatterListener::size_type(length(m_cachedStringValue)));
  
  		(formatterListener.*function)(c_wstr(m_cachedStringValue), FormatterListener::size_type(length(m_cachedStringValue)));
  	}
  	else
  	{
  		DOMServices::getNodeData(*m_value, formatterListener, function);
  	}
  }
  
  
  
  void
  XResultTreeFrag::str(XalanDOMString&	theBuffer) const
  {
  	if (isEmpty(m_cachedStringValue) == false)
  	{
  		append(theBuffer, m_cachedStringValue);
  	}
  	else
  	{
  		DOMServices::getNodeData(*m_value, theBuffer);
  	}
  }
  
  
  
  const ResultTreeFragBase&
  XResultTreeFrag::rtree() const
  {
  	assert(m_value != 0);
  
  	return *m_value;
  }
  
  
  
  const NodeRefListBase&
  XResultTreeFrag::nodeset() const
  {
  	return ParentType::nodeset();
  }
  
  
  
  void
  XResultTreeFrag::ProcessXObjectTypeCallback(XObjectTypeCallback&	theCallbackObject)
  {
  	theCallbackObject.ResultTreeFragment(*this,
  										 rtree());
  }
  
  
  
  void
  XResultTreeFrag::ProcessXObjectTypeCallback(XObjectTypeCallback&	theCallbackObject) const
  {
  	theCallbackObject.ResultTreeFragment(*this,
  										 rtree());
  }
  
  
  
  XalanNode*
  XResultTreeFrag::item(unsigned int	index) const
  {
  	assert(m_value != 0);
  
  	return index == 0 ? m_value->getNodesetRoot() : 0;
  }
  
  
  
  unsigned int
  XResultTreeFrag::getLength() const
  {
  	return 1;
  }
  
  
  
  unsigned int
  XResultTreeFrag::indexOf(const XalanNode*	theNode) const
  {
  	return theNode == m_value->getNodesetRoot() ? 0 : NodeRefListBase::npos;
  }
  
  
  
  XResultTreeFrag::NodeRefListBaseProxy::NodeRefListBaseProxy(const XResultTreeFrag&	theXResultTreeFrag) :
  	NodeRefListBase(),
  	m_xresultTreeFrag(theXResultTreeFrag)
  {
  }
  
  
  
  XResultTreeFrag::NodeRefListBaseProxy::~NodeRefListBaseProxy()
  {
  }
  
  
  
  XalanNode*
  XResultTreeFrag::NodeRefListBaseProxy::item(size_type	index) const
  {
  	return m_xresultTreeFrag.item(index);
  }
  
  
  
  XResultTreeFrag::NodeRefListBaseProxy::size_type
  XResultTreeFrag::NodeRefListBaseProxy::getLength() const
  {
  	return m_xresultTreeFrag.getLength();
  }
  
  
  
  XResultTreeFrag::NodeRefListBaseProxy::size_type
  XResultTreeFrag::NodeRefListBaseProxy::indexOf(const XalanNode*	theNode) const
  {
  	return m_xresultTreeFrag.indexOf(theNode);
  }
  
  
  
  ResultTreeFragBase*
  XResultTreeFrag::release()
  {
  	clear(m_cachedStringValue);
  
  	m_cachedNumberValue = 0.0;
  
  	ResultTreeFragBase* const	temp = m_value;
  
  	m_value = 0;
  
  	return temp;
  }
  
  
  
  void
  XResultTreeFrag::set(ResultTreeFragBase*	theValue)
  {
  	release();
  
  	m_value = theValue;
  }
  
  
  
  void
  XResultTreeFrag::dereferenced()
  {
  	if (m_executionContext != 0)
  	{
  		// We're dead after we call this...
  		m_executionContext->returnXResultTreeFrag(this);
  	}
  	else
  	{
  		delete m_value;
  
  		delete this;
  	}
  }
  
  
  
  1.1                  xml-xalan/c/src/XSLT/XResultTreeFrag.hpp
  
  Index: XResultTreeFrag.hpp
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 1999-2001 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:  
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Xalan" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation and was
   * originally based on software copyright (c) 1999, International
   * Business Machines, Inc., http://www.ibm.com.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  #if !defined(XRESULTTREEFRAG_HEADER_GUARD_1357924680)
  #define XRESULTTREEFRAG_HEADER_GUARD_1357924680
  
  
  
  // Base header file.  Must be first.
  #include <XSLT/XSLTDefinitions.hpp>
  
  
  
  #include <XalanDOM/XalanDOMString.hpp>
  
  
  
  #if defined(XALAN_AUTO_PTR_REQUIRES_DEFINITION)
  #include <XPath/ResultTreeFragBase.hpp>
  #endif
  
  
  
  #include <Include/XalanAutoPtr.hpp>
  
  
  
  // Base class header file.
  #include <XPath/NodeRefListBase.hpp>
  #include <XPath/XObject.hpp>
  
  
  
  #include <XSLT/StylesheetExecutionContext.hpp>
  
  
  
  class ResultTreeFrag;
  
  
  
  class XALAN_XSLT_EXPORT XResultTreeFrag : public XObject
  {
  public:
  
  	typedef XObject													ParentType;
  
  
  	/**
  	 * Construct an XResultTreeFrag object from a result tree fragment
  	 * 
  	 * @param val source result tree fragment.
  	 */
  	XResultTreeFrag(ResultTreeFragBase&		value);
  
  	/**
  	 * Construct an XResultTreeFrag object from another
  	 * 
  	 * @param source     source XResultTreeFrag
  	 * @param deepClone  true to copy all subobjects, default is false
  	 */
  	XResultTreeFrag(
  			const XResultTreeFrag&	source,
  			bool					deepClone = false);
  
  	virtual
  	~XResultTreeFrag();
  
  
  	void
  	setExecutionContext(StylesheetExecutionContext*		theExecutionContext)
  	{
  		m_executionContext = theExecutionContext;
  	}
  
  	// These methods are inherited from XObject ...
  
  #if defined(XALAN_NO_COVARIANT_RETURN_TYPE)
  	virtual XObject*
  #else
  	virtual XResultTreeFrag*
  #endif
  	clone(void*		theAddress = 0) const;
  
  	virtual XalanDOMString
  	getTypeString() const;
    
  	virtual double
  	num() const;
  
  	virtual bool
  	boolean() const;
  
  	virtual const XalanDOMString&
  	str() const;
  
  	virtual void
  	str(
  			FormatterListener&	formatterListener,
  			MemberFunctionPtr	function) const;
  
  	virtual void
  	str(XalanDOMString&	theBuffer) const;
  
  	virtual const ResultTreeFragBase&
  	rtree() const;
  
  	virtual const NodeRefListBase&
  	nodeset() const;
  
  	virtual void
  	ProcessXObjectTypeCallback(XObjectTypeCallback&		theCallbackObject);
  
  	virtual void
  	ProcessXObjectTypeCallback(XObjectTypeCallback&		theCallbackObject) const;
  
  	/**
  	 * Release the ResultTreeFrag held by the instance.
  	 */
  	ResultTreeFragBase*
  	release();
  
  	/**
  	 * Change the value of an XResultTreeFrag
  	 *
  	 * @param theValue The new value.
  	 */
  	void
  	set(ResultTreeFragBase*		theValue);
  
  	// This is a proxy class for result tree fragment to node-set
  	// conversion.
  	class XALAN_XSLT_EXPORT NodeRefListBaseProxy : public NodeRefListBase
  	{
  	public:
  
  		NodeRefListBaseProxy(const XResultTreeFrag&		theXResultTreeFrag);
  
  		virtual
  		~NodeRefListBaseProxy();
  
  		virtual XalanNode*
  		item(size_type	index) const;
  
  		virtual size_type
  		getLength() const;
  
  		virtual size_type
  		indexOf(const XalanNode*	theNode) const;
  
  	private:
  
  		// Not implemented...
  		NodeRefListBaseProxy(const NodeRefListBaseProxy&);
  
  		const XResultTreeFrag&	m_xresultTreeFrag;		
  	};
  
  	friend class NodeRefListBaseProxy;
  
  protected:
  
  	virtual void 
  	dereferenced();
  
  private:
  
  	// New member functions for node list compatibility...
  	XalanNode*
  	item(unsigned int	index) const;
  
  	unsigned int
  	getLength() const;
  
  	unsigned int
  	indexOf(const XalanNode*	theNode) const;
  
  
  	// Data members...
  	ResultTreeFragBase*				m_value;	
  
  	StylesheetExecutionContext*		m_executionContext;
  
  	mutable XalanDOMString			m_cachedStringValue;
  
  	mutable double					m_cachedNumberValue;
  };
  
  
  
  #endif	// XRESULTTREEFRAG_HEADER_GUARD_1357924680
  
  
  
  1.1                  xml-xalan/c/src/XSLT/XResultTreeFragAllocator.cpp
  
  Index: XResultTreeFragAllocator.cpp
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 1999-2001 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:  
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Xalan" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation and was
   * originally based on software copyright (c) 1999, International
   * Business Machines, Inc., http://www.ibm.com.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  // Class header file.
  #include "XResultTreeFragAllocator.hpp"
  
  
  
  XResultTreeFragAllocator::XResultTreeFragAllocator(size_type	theBlockCount) :
  	m_allocator(theBlockCount)
  {
  }
  
  
  
  XResultTreeFragAllocator::~XResultTreeFragAllocator()
  {
  }
  
  
  
  
  XResultTreeFragAllocator::data_type*
  XResultTreeFragAllocator::create(ResultTreeFragBase&	theValue)
  {
  	data_type* const	theBlock = m_allocator.allocateBlock();
  	assert(theBlock != 0);
  
  	data_type* const	theResult = new(theBlock) data_type(theValue);
  
  	m_allocator.commitAllocation(theBlock);
  
  	return theResult;
  }
  
  
  
  XResultTreeFragAllocator::data_type*
  XResultTreeFragAllocator::create(const data_type&	theSource)
  {
  	data_type* const	theBlock = m_allocator.allocateBlock();
  	assert(theBlock != 0);
  
  	new(theBlock) data_type(theSource);
  
  	m_allocator.commitAllocation(theBlock);
  
  	return theBlock;
  }
  
  
  
  bool
  XResultTreeFragAllocator::destroy(data_type*	theObject)
  {
  	return m_allocator.destroyObject(theObject);
  }
  
  
  
  void 
  XResultTreeFragAllocator::reset()
  {
  	m_allocator.reset();
  }
  
  
  
  1.1                  xml-xalan/c/src/XSLT/XResultTreeFragAllocator.hpp
  
  Index: XResultTreeFragAllocator.hpp
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 1999-2001 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:  
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "Xalan" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation and was
   * originally based on software copyright (c) 1999, International
   * Business Machines, Inc., http://www.ibm.com.  For more
   * information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  #if !defined(XRESULTTREEFRAGALLOCATOR_INCLUDE_GUARD_12455133)
  #define XRESULTTREEFRAGALLOCATOR_INCLUDE_GUARD_12455133
  
  
  
  // Base include file.  Must be first.
  #include <XSLT/XSLTDefinitions.hpp>
  
  
  
  #include <XSLT/XResultTreeFrag.hpp>
  
  
  
  #include <PlatformSupport/ReusableArenaAllocator.hpp>
  
  
  
  class XALAN_XSLT_EXPORT XResultTreeFragAllocator
  {
  public:
  
  	typedef XResultTreeFrag						data_type;
  
  	typedef ReusableArenaAllocator<data_type>	ArenaAllocatorType;
  	typedef ArenaAllocatorType::size_type		size_type;
  
  	/**
  	 * Construct an instance that will allocate blocks of the specified size.
  	 *
  	 * @param theBlockSize The block size.
  	 */
  	XResultTreeFragAllocator(size_type	theBlockCount);
  
  	~XResultTreeFragAllocator();
  	
  	/**
  	 * Create an XResultTreeFrag object.
  	 * 
  	 * @param theValue	source value
  	 *
  	 * @return pointer to a node
  	 */
  	data_type*
  	create(ResultTreeFragBase&	theValue);
  
  	/**
  	 * Create an XResultTreeFrag object.
  	 * 
  	 * @param theSource	source XResultTreeFrag
  	 *
  	 * @return pointer to a node
  	 */
  	data_type*
  	create(const data_type&		theSource);
  
  	/**
  	 * Clone an XResultTreeFrag object.
  	 * 
  	 * @param theSource	source XResultTreeFrag
  	 *
  	 * @return pointer to an XResultTreeFrag
  	 */
  	data_type*
  	clone(const XResultTreeFrag&	theSource);
  
  	/**
  	 * Delete an XResultTreeFrag object from allocator.	 
  	 */
  	bool
  	destroy(data_type*	theObject);
  
  	/**
  	 * Determine if an object is owned by the allocator...
  	 */
  	bool
  	ownsObject(const data_type*		theObject)
  	{
  		return m_allocator.ownsObject(theObject);
  	}
  
  	/**
  	 * Delete all XResultTreeFrag objects from allocator.	 
  	 */	
  	void
  	reset();
  
  	/**
  	 * Get size of an ArenaBlock, that is, the number
  	 * of objects in each block.
  	 *
  	 * @return The size of the block
  	 */
  	size_type
  	getBlockCount() const
  	{
  		return m_allocator.getBlockCount();
  	}
  
  	/**
  	 * Get the number of ArenaBlocks currently allocated.
  	 *
  	 * @return The number of blocks.
  	 */
  	size_type
  	getBlockSize() const
  	{
  		return m_allocator.getBlockSize();
  	}
  
  private:
  
  	// Not implemented...
  	XResultTreeFragAllocator(const XResultTreeFragAllocator&);
  
  	XResultTreeFragAllocator&
  	operator=(const XResultTreeFragAllocator&);
  
  	// Data members...
  	ArenaAllocatorType	m_allocator;
  };
  
  
  
  #endif	// XRESULTTREEFRAGALLOCATOR_INCLUDE_GUARD_12455133
  
  
  

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