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// Copyright (c) 1994, 1996 James Clark
// See the file COPYING for copying permission.
#ifndef ContentState_INCLUDED
#define ContentState_INCLUDED 1
#ifdef __GNUG__
#pragma interface
#endif
#include <stddef.h>
#include "OpenElement.h"
#include "IList.h"
#include "Vector.h"
#include "Message.h"
#include "Dtd.h"
#include "Mode.h"
#include "Boolean.h"
#ifdef SP_NAMESPACE
namespace SP_NAMESPACE {
#endif
class SP_API ContentState {
public:
ContentState();
void startContent(const Dtd &);
void pushElement(OpenElement *);
OpenElement *popSaveElement();
void popElement();
OpenElement ¤tElement();
const OpenElement ¤tElement() const;
void getOpenElementInfo(Vector<OpenElementInfo> &,
const StringC &rniPcdata) const;
unsigned tagLevel() const;
Boolean elementIsIncluded(const ElementType *) const;
Boolean elementIsExcluded(const ElementType *) const;
Boolean elementIsOpen(const ElementType *) const;
Boolean afterDocumentElement() const;
const ElementType *lastEndedElementType() const;
Mode contentMode() const;
ElementType *lookupCreateUndefinedElement(const StringC &,
const Location &,
Dtd &);
Boolean checkImplyLoop(unsigned);
static const ShortReferenceMap theEmptyMap;
private:
IList<OpenElement> openElements_;
Vector<unsigned> openElementCount_;
Vector<unsigned> includeCount_;
Vector<unsigned> excludeCount_;
unsigned totalExcludeCount_;
unsigned tagLevel_;
unsigned netEnablingCount_;
unsigned long nextIndex_;
const ElementType *lastEndedElementType_;
ElementType documentElementContainer_;
};
inline
OpenElement &ContentState::currentElement()
{
return *openElements_.head();
}
inline
const OpenElement &ContentState::currentElement() const
{
return *openElements_.head();
}
inline
Boolean ContentState::elementIsOpen(const ElementType *e) const
{
return openElementCount_[e->index()] != 0;
}
inline
Boolean ContentState::elementIsIncluded(const ElementType *e) const
{
return includeCount_[e->index()] != 0 && excludeCount_[e->index()] == 0;
}
inline
Boolean ContentState::elementIsExcluded(const ElementType *e) const
{
return excludeCount_[e->index()] != 0;
}
inline
const ElementType *ContentState::lastEndedElementType() const
{
return lastEndedElementType_;
}
inline
unsigned ContentState::tagLevel() const
{
return tagLevel_;
}
inline
Boolean ContentState::afterDocumentElement() const
{
return tagLevel() == 0 && currentElement().isFinished();
}
inline
Mode ContentState::contentMode() const
{
return openElements_.head()->mode(netEnablingCount_ > 0);
}
#ifdef SP_NAMESPACE
}
#endif
#endif /* not ContentState_INCLUDED */
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