Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/nsgmls/ContentState.h

@@ -0,0 +1,118 @@
+/* $XConsortium: ContentState.h /main/1 1996/07/29 16:48:27 cde-hp $ */
+// 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 &currentElement();
+  const OpenElement &currentElement() 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;
+  const ElementType *lookupCreateUndefinedElement(const StringC &,
+						  const Location &);
+  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_;
+  const ElementType *lastEndedElementType_;
+  NamedTable<ElementType> undefinedElementTypeTable_;
+  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 */