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//
// EntityReference.h
//
// Library: XML
// Package: DOM
// Module: DOM
//
// Definition of the DOM EntityReference class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef DOM_EntityReference_INCLUDED
#define DOM_EntityReference_INCLUDED
#include "Poco/XML/XML.h"
#include "Poco/DOM/AbstractNode.h"
#include "Poco/XML/XMLString.h"
namespace Poco {
namespace XML {
class XML_API EntityReference: public AbstractNode
/// EntityReference objects may be inserted into the structure model when an
/// entity reference is in the source document, or when the user wishes to insert
/// an entity reference. Note that character references and references to predefined
/// entities are considered to be expanded by the HTML or XML processor so that
/// characters are represented by their Unicode equivalent rather than by an
/// entity reference. Moreover, the XML processor may completely expand references
/// to entities while building the structure model, instead of providing EntityReference
/// objects. If it does provide such objects, then for a given EntityReference
/// node, it may be that there is no Entity node representing the referenced
/// entity. If such an Entity exists, then the child list of the EntityReference
/// node is the same as that of the Entity node.
///
/// As for Entity nodes, EntityReference nodes and all their descendants are
/// readonly.
///
/// The resolution of the children of the EntityReference (the replacement value
/// of the referenced Entity) may be lazily evaluated; actions by the user (such
/// as calling the childNodes method on the EntityReference node) are assumed
/// to trigger the evaluation.
{
public:
// Node
const XMLString& nodeName() const;
unsigned short nodeType() const;
protected:
EntityReference(Document* pOwnerDocument, const XMLString& name);
EntityReference(Document* pOwnerDocument, const EntityReference& ref);
~EntityReference();
Node* copyNode(bool deep, Document* pOwnerDocument) const;
private:
XMLString _name;
friend class Document;
};
} } // namespace Poco::XML
#endif // DOM_EntityReference_INCLUDED
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