documenttype.h

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//
// DocumentType.h
//
// $Id: //poco/Main/XML/include/DOM/DocumentType.h#5 $
//
// Definition of the DOM DocumentType 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
// 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.
//


#ifndef DOM_DocumentType_INCLUDED
#define DOM_DocumentType_INCLUDED


#ifndef XML_XML_INCLUDED
#include "XML/XML.h"
#endif
#ifndef DOM_AbstractContainerNode_INCLUDED
#include "DOM/AbstractContainerNode.h"
#endif


XML_BEGIN


class NamedNodeMap;


class XML_API DocumentType: public AbstractContainerNode
	/// Each Document has a doctype attribute whose value is either null or a DocumentType
	/// object. The DocumentType interface in the DOM Level 1 Core provides an
	/// interface to the list of entities that are defined for the document, and
	/// little else because the effect of namespaces and the various XML scheme
	/// efforts on DTD representation are not clearly understood as of this writing.
	/// 
	/// The DOM Level 1 doesn't support editing DocumentType nodes.
{
public:
	const XMLString& name() const;
		/// The name of the DTD; i.e., the name immediately following the 
		/// DOCTYPE keyword.

	NamedNodeMap* entities() const;
		/// A NamedNodeMap containing the general entities,
		/// both external and internal, declared in the DTD.
		/// Duplicates are discarded.
		///
		/// Note: In this implementation, only the
		/// external entities are reported.
		/// Every node in this map also implements the
		/// Entity interface.
		/// 
		/// The returned NamedNodeMap must be released with a call
		/// to release() when no longer needed.

	NamedNodeMap* notations() const;
		/// A NamedNodeMap containing the notations declared in the DTD. Duplicates
		/// are discarded. Every node in this map also implements the Notation interface.
		/// The DOM Level 1 does not support editing notations, therefore notations
		/// cannot be altered in any way.
		/// 
		/// The returned NamedNodeMap must be released with a call
		/// to release() when no longer needed.

	// DOM Level 2
	const XMLString& publicId() const;
		/// Returns the public identifier of the external DTD subset.

	const XMLString& systemId() const;
		/// Returns the system identifier of the external DTD subset.

	const XMLString& internalSubset() const;
		/// Returns the internal DTD subset. This implementation
		/// returns an empty string.

	// Node
	const XMLString& nodeName() const;
	unsigned short nodeType() const;

protected:
	DocumentType(Document* pOwner, const XMLString& name, const XMLString& publicId, const XMLString& systemId);
	DocumentType(Document* pOwner, const DocumentType& dt);
	~DocumentType();

	Node* copyNode(bool deep, Document* pOwnerDocument) const;

private:
	XMLString _name;
	XMLString _publicId;
	XMLString _systemId;
	
	friend class DOMImplementation;
	friend class Document;
	friend class DOMBuilder;
};


//
// inlines
//
inline const XMLString& DocumentType::name() const
{
	return _name;
}


inline const XMLString& DocumentType::publicId() const
{
	return _publicId;
}


inline const XMLString& DocumentType::systemId() const
{
	return _systemId;
}


XML_END


#endif // DOM_DocumentType_INCLUDED