mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-11 08:52:06 +00:00
77 lines
2.3 KiB
C++
77 lines
2.3 KiB
C++
//
|
|
// 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/DOM/AbstractNode.h"
|
|
#include "Poco/XML/XML.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
|