src/PlatformSupport/AttributeListImpl.hpp

/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 1999 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.
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 * 4. The names "Xalan" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
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 * 5. Products derived from this software may not be called "Apache",
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 * 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(ATTRIBUTELISTIMPL_HEADER_GUARD_1357924680)
#define ATTRIBUTELISTIMPL_HEADER_GUARD_1357924680



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



#include <vector>



#include <sax/AttributeList.hpp>



class AttributeVectorEntry;



class XALAN_PLATFORMSUPPORT_EXPORT AttributeListImpl : public AttributeList
{
public:

	explicit
	AttributeListImpl();

	virtual
	~AttributeListImpl();

    AttributeListImpl(const AttributeListImpl&	theSource);

    AttributeListImpl(const AttributeList&	theSource);

    AttributeListImpl&
	operator=(const AttributeListImpl&	theRHS);

	AttributeListImpl&
	operator=(const AttributeList&	theRHS);

	// These are inherited from AttributeList
    virtual unsigned int
	getLength() const;

    virtual const XMLCh*
	getName(const unsigned int index) const;

    virtual const XMLCh*
	getType(const unsigned int index) const;

    virtual const XMLCh*
	getValue(const unsigned int index) const;

    virtual const XMLCh*
	getType(const XMLCh* const name) const;

    virtual const XMLCh*
	getValue(const XMLCh* const name) const;

	virtual const XMLCh*
	getValue(const char* const name) const;

	// The mutators are new to this class.

	/**
	 * Remove all attributes from the list
	 */
	virtual void
	clear();

	/**
	 * Adds an attribute to the attribute list
	 *
	 * @param  name   attribute name
	 * @param type   attribute type, "CDATA," for example
	 * @param value  attribute value
	 */
	virtual bool
	addAttribute(
			const XMLCh*	name,
			const XMLCh*	type,
			const XMLCh*	value);

	/**
	 * Removes an attribute from the attribute list
	 *
	 * @param  name   attribute name
	 */
	virtual bool
	removeAttribute(const XMLCh*	name);

	/**
	 * Swap the contents of two instances.  This must _never_
	 * throw an exception.
	 *
	 * @param thOther The instance with which to swap.
	 */
	void
	swap(AttributeListImpl&		theOther)
	{
		m_AttributeVector.swap(theOther.m_AttributeVector);
	}

	/**
	 * Reserve room for the given number of
	 * attributes.
	 *
	 * @param theCount The number to reserve
	 */
	void
	reserve(unsigned int	theCount)
	{
		m_AttributeVector.reserve(theCount);
	}

#if defined(XALAN_NO_NAMESPACES)
	// This vector will hold the entries.
	typedef vector<AttributeVectorEntry*>			AttributeVectorType;
#else
	// This vector will hold the entries.
	typedef std::vector<AttributeVectorEntry*>		AttributeVectorType;
#endif

private:

	// This is not implemented.
    bool
	operator==(const AttributeListImpl&) const;

	// Default vector allocation size.
	enum
	{
		eDefaultVectorSize = 5
	};

	AttributeVectorEntry*
	getNewEntry(
			const XMLCh*	name,
			const XMLCh*	type,
			const XMLCh*	value);

	// Helper function to delete entries...
	static void
	deleteEntries(AttributeVectorType&	theVector);

	AttributeVectorType		m_AttributeVector;

	AttributeVectorType		m_cacheVector;
};



#endif	// ATTRIBUTELISTIMPL_HEADER_GUARD_1357924680