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

cde/programs/nsgmls/IListBase.h

@@ -0,0 +1,81 @@
+/* $XConsortium: IListBase.h /main/1 1996/07/29 16:53:26 cde-hp $ */
+// Copyright (c) 1994 James Clark
+// See the file COPYING for copying permission.
+
+#ifndef IListBase_INCLUDED
+#define IListBase_INCLUDED 1
+
+#include "Link.h"
+#include "Boolean.h"
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+class SP_API IListBase {
+public:
+  IListBase();
+  IListBase(Link *);
+  void  append(Link *);
+  void insert(Link *);
+  Link *head() const;
+  Boolean empty() const;
+  Link *get();
+  void remove(Link *);
+  void swap(IListBase &);
+  void clear();
+private:
+  Link *head_;
+friend class IListIterBase;
+};
+
+inline
+IListBase::IListBase() : head_(0)
+{
+}
+
+inline
+IListBase::IListBase(Link *head) : head_(head)
+{
+}
+
+inline
+void IListBase::insert(Link *p)
+{
+  p->next_ = head_;
+  head_ = p;
+}
+
+inline
+Link *IListBase::head() const
+{
+  return head_;
+}
+
+inline
+Boolean IListBase::empty() const
+{
+  return head_ == 0;
+}
+
+inline
+Link *IListBase::get()
+{
+  Link *tem = head_;
+  head_ = head_->next_;
+  return tem;
+}
+
+inline
+void IListBase::swap(IListBase &list)
+{
+  Link *tem = head_;
+  head_ = list.head_;
+  list.head_ = tem;
+}
+
+#ifdef SP_NAMESPACE
+}
+#endif
+
+#endif /* not IListBase_INCLUDED */