namespacestrategy.h

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// NamespaceStrategy.h
//
// $Id: //poco/Main/XML/include/XML/NamespaceStrategy.h#5 $
//
// Definition of the NamespaceStrategy class.
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// 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. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS 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
// COPYRIGHT OWNER OR 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
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// POSSIBILITY OF SUCH DAMAGE.
//


#ifndef XML_NamespaceStrategy_INCLUDED
#define XML_NamespaceStrategy_INCLUDED


#ifndef XML_XML_INCLUDED
#include "XML/XML.h"
#endif
#ifndef XML_XMLString_INCLUDED
#include "XML/XMLString.h"
#endif
#ifndef SAX_NamespaceSupport_INCLUDED
#include "SAX/NamespaceSupport.h"
#endif


XML_BEGIN


class ContentHandler;


class XML_API NamespaceStrategy
	/// This class is used by ParserEngine to handle the
	/// startElement, endElement, startPrefixMapping and
	/// endPrefixMapping events.
{
public:
	virtual ~NamespaceStrategy();

	virtual void startElement(const XMLChar* name, const XMLChar** atts, int specifiedCount, ContentHandler* pContentHandler) = 0;
		/// Translate the arguments as delivered by Expat and
		/// call the startElement() method of the ContentHandler.
		
	virtual void endElement(const XMLChar* name, ContentHandler* pContentHandler) = 0;
		/// Translate the arguments as delivered by Expat and
		/// call the endElement() method of the ContentHandler.

	virtual void startPrefixMapping(const XMLChar* prefix, const XMLChar* uri, ContentHandler* pContentHandler) = 0;
		/// Translate the arguments as delivered by Expat and
		/// call the startPrefixMapping() method of the ContentHandler.

	virtual void endPrefixMapping(const XMLChar* prefix, ContentHandler* pContentHandler) = 0;
		/// Translate the arguments as delivered by Expat and
		/// call the endPrefixMapping() method of the ContentHandler.

protected:
	static void splitName(const XMLChar* qname, XMLString& uri, XMLString& localName);

	static const XMLString NOTHING;
	static const XMLString CDATA;
	static const XMLString COLON;
};


class XML_API NoNamespacesStrategy: public NamespaceStrategy
	/// The NamespaceStrategy implementation used if no namespaces
	/// processing is requested.
{
public:
	NoNamespacesStrategy();
	~NoNamespacesStrategy();
	
	void startElement(const XMLChar* name, const XMLChar** atts, int specifiedCount, ContentHandler* pContentHandler);
	void endElement(const XMLChar* name, ContentHandler* pContentHandler);
	void startPrefixMapping(const XMLChar* prefix, const XMLChar* uri, ContentHandler* pContentHandler);
	void endPrefixMapping(const XMLChar* prefix, ContentHandler* pContentHandler);
};


class XML_API NoNamespacePrefixesStrategy: public NamespaceStrategy
	/// The NamespaceStrategy implementation used if namespaces
	/// processing is requested, but prefixes are not reported.
{
public:
	NoNamespacePrefixesStrategy();
	~NoNamespacePrefixesStrategy();
	
	void startElement(const XMLChar* name, const XMLChar** atts, int specifiedCount, ContentHandler* pContentHandler);
	void endElement(const XMLChar* name, ContentHandler* pContentHandler);
	void startPrefixMapping(const XMLChar* prefix, const XMLChar* uri, ContentHandler* pContentHandler);
	void endPrefixMapping(const XMLChar* prefix, ContentHandler* pContentHandler);
};


class XML_API NamespacePrefixesStrategy: public NamespaceStrategy
	/// The NamespaceStrategy implementation used if namespaces
	/// processing is requested and prefixes are reported.
{
public:
	NamespacePrefixesStrategy();
	~NamespacePrefixesStrategy();
	
	void startElement(const XMLChar* name, const XMLChar** atts, int specifiedCount, ContentHandler* pContentHandler);
	void endElement(const XMLChar* name, ContentHandler* pContentHandler);
	void startPrefixMapping(const XMLChar* prefix, const XMLChar* uri, ContentHandler* pContentHandler);
	void endPrefixMapping(const XMLChar* prefix, ContentHandler* pContentHandler);

protected:
	void declarePrefix(const XMLString& prefix, const XMLString& namespaceURI, ContentHandler* pContentHandler);
	
private:
	NamespaceSupport _namespaces;
	
	static const XMLString XMLNS;
};


XML_END


#endif // XML_NamespaceStrategy_INCLUDED