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

cde/programs/dtinfo/DtMmdb/oliasdb/collectionIterator.h

@@ -0,0 +1,79 @@
+/* $XConsortium: collectionIterator.h /main/3 1996/06/11 17:28:33 cde-hal $ */
+
+#ifndef _collection_iterator_h
+#define _collection_iterator_h 1
+
+#include "api/info_base.h"
+#include "object/cset.h"
+
+// collectionIterator iterates over MMDB's cset objects through
+// index.
+
+class collectionIterator
+{
+public:
+   collectionIterator(info_base*, int set_position);
+   ~collectionIterator();
+
+// advance the iterator to the next position.
+// A newly constructed iterator's position is
+// undefined. This operator must be called to
+// advance to the 1st position.
+
+// return 1 if advance successful and 0 otherwize.
+   virtual unsigned int operator++() ;
+
+protected:
+   oid_t get_oid(int index);
+
+protected:
+   int f_index;
+   cset_handler* f_set_ptr;
+   info_base* f_base;
+};
+
+// iterator over node set
+class nodeCollectionIterator : public collectionIterator
+{
+
+public:
+   nodeCollectionIterator(info_base*);
+   ~nodeCollectionIterator();
+
+   const char* get_locator();
+};
+
+// iterator over graphic set
+class graphicCollectionIterator : public collectionIterator
+{
+
+public:
+   graphicCollectionIterator(info_base*);
+   ~graphicCollectionIterator();
+
+   const char* get_locator();
+};
+
+// iterator over stylesheet set
+class stylesheetCollectionIterator : public collectionIterator
+{
+
+public:
+   stylesheetCollectionIterator(info_base*);
+   ~stylesheetCollectionIterator();
+
+   const char* get_locator();
+};
+
+// iterator over locator set
+class locatorCollectionIterator : public collectionIterator
+{
+
+public:
+   locatorCollectionIterator(info_base*);
+   ~locatorCollectionIterator();
+
+   const char* get_locator();
+};
+
+#endif