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// file : xsd-frontend/semantic-graph/element.hxx
// author : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2005-2010 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#ifndef XSD_FRONTEND_SEMANTIC_GRAPH_ELEMENT_HXX
#define XSD_FRONTEND_SEMANTIC_GRAPH_ELEMENT_HXX
#include <xsd-frontend/semantic-graph/elements.hxx>
#include <xsd-frontend/semantic-graph/particle.hxx>
namespace XSDFrontend
{
namespace SemanticGraph
{
class Element;
class Substitutes: public virtual Edge
{
public:
Element&
substitution () const
{
return *substitution_;
}
Element&
root () const
{
return *root_;
}
protected:
friend class Bits::Graph<Node, Edge>;
Substitutes ()
{
}
Void
set_left_node (Element& n)
{
substitution_ = &n;
}
Void
set_right_node (Element& n)
{
root_ = &n;
}
private:
Element* root_;
Element* substitution_;
};
class Element: public virtual Member,
public virtual Particle
{
public:
Boolean
substitutes_p () const
{
return substitutes_ != 0;
}
Substitutes&
substitutes () const
{
assert (substitutes_ != 0);
return *substitutes_;
}
protected:
friend class Bits::Graph<Node, Edge>;
Element (Path const& file,
UnsignedLong line,
UnsignedLong column,
Boolean global,
Boolean qualified);
Void
add_edge_left (Substitutes& e)
{
substitutes_ = &e;
}
Void
add_edge_right (Substitutes&)
{
}
using Member::add_edge_left;
using Member::add_edge_right;
using Particle::add_edge_right;
private:
Substitutes* substitutes_;
};
}
}
#endif // XSD_FRONTEND_SEMANTIC_GRAPH_ELEMENT_HXX
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