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

cde/programs/nsgmls/Resource.h

@@ -0,0 +1,61 @@
+/* $XConsortium: Resource.h /main/1 1996/07/29 17:02:54 cde-hp $ */
+// Copyright (c) 1994 James Clark
+// See the file COPYING for copying permission.
+
+#ifndef Resource_INCLUDED
+#define Resource_INCLUDED 1
+
+#ifdef SP_NAMESPACE
+namespace SP_NAMESPACE {
+#endif
+
+#ifndef SP_API
+#define SP_API /* as nothing */
+#endif
+
+class SP_API Resource {
+public:
+  Resource();
+  Resource(const Resource &);
+  int unref();			// return 1 if it should be deleted
+  void ref();
+  int count() const;
+private:
+  int count_;
+};
+
+inline
+Resource::Resource()
+: count_(0)
+{
+}
+
+inline
+Resource::Resource(const Resource &)
+: count_(0)
+{
+}
+
+inline
+int Resource::count() const
+{
+  return count_;
+}
+
+inline
+int Resource::unref()
+{
+  return --count_ <= 0;
+}
+
+inline
+void Resource::ref()
+{
+  ++count_;
+}
+
+#ifdef SP_NAMESPACE
+}
+#endif
+
+#endif /* not Resource_INCLUDED */