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

cde/programs/nsgmls/ISetIter.h

@@ -0,0 +1,41 @@
+/* $XConsortium: ISetIter.h /main/1 1996/07/29 16:54:26 cde-hp $ */
+// Copyright (c) 1994 James Clark
+// See the file COPYING for copying permission.
+
+#ifndef ISetIter_INCLUDED
+#define ISetIter_INCLUDED
+
+#include <stddef.h>
+#include "ISet.h"
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+template<class T>
+class ISetIter {
+public:
+  ISetIter(const ISet<T> &s) : p_(&s), i_(0) { }
+  // min and max are not changed if 0 is returned.
+  int next(T &min, T &max)
+  {
+    if (i_ < p_->r_.size()) {
+      min = p_->r_[i_].min;
+      max = p_->r_[i_].max;
+      i_++;
+      return 1;
+    }
+    else
+      return 0;
+  }
+       
+private:
+  const ISet<T> *p_;
+  size_t i_;
+};
+
+#ifdef SP_NAMESPACE
+}
+#endif
+
+#endif /* ISetIter_INCLUDED */