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

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

@@ -0,0 +1,119 @@
+// $XConsortium: collectionIterator.cc /main/4 1996/06/11 17:28:28 cde-hal $
+
+#include "oliasdb/collectionIterator.h"
+#include "oliasdb/olias_consts.h"
+#include "oliasdb/node_hd.h"
+#include "oliasdb/stylesheet_hd.h"
+#include "oliasdb/graphic_hd.h"
+#include "oliasdb/locator_hd.h"
+
+collectionIterator::collectionIterator(info_base* base, int position) :
+   f_set_ptr(base ->  get_set(position)), f_base(base), f_index(-1)
+{
+   if ( f_set_ptr == 0 )
+     throw(stringException("can't find set"));
+}
+
+collectionIterator::~collectionIterator()
+{
+}
+
+unsigned int collectionIterator::operator++()
+{
+   if ( f_index == -1 ) {
+      f_index = 0;
+      return 1;
+   }
+
+   if ( f_index == -2 ) {
+     MESSAGE(cerr, "can't advance iterator any more");
+     return 0;
+   }
+
+   if ( (*f_set_ptr) -> count() - 1 == f_index ) {
+      f_index = -2;
+      return 0;
+   } else {
+      f_index++;
+      return 1;
+   }
+}
+
+oid_t collectionIterator::get_oid(int index)
+{
+   c_index_handler* x = (*f_set_ptr) -> get_index_ptr(index);
+
+   if ( x == 0 )
+     throw(stringException("bad internal index"));
+
+   return (*x) -> first_of_invlist(f_index);
+}
+
+nodeCollectionIterator::nodeCollectionIterator(info_base* base) :
+   collectionIterator(base, NODE_SET_POS)
+{
+}
+
+nodeCollectionIterator::~nodeCollectionIterator()
+{
+}
+
+const char* nodeCollectionIterator::get_locator()
+{
+   oid_t id = get_oid(1);
+   node_smart_ptr node(f_base, id);
+   return node.locator();
+}
+
+stylesheetCollectionIterator::stylesheetCollectionIterator(info_base* base) :
+   collectionIterator(base, STYLESHEET_SET_POS)
+{
+}
+
+stylesheetCollectionIterator::~stylesheetCollectionIterator()
+{
+}
+
+
+const char* stylesheetCollectionIterator::get_locator()
+{
+   oid_t id = get_oid(1);
+   stylesheet_smart_ptr ss(f_base, id);
+   return ss.name();
+}
+
+graphicCollectionIterator::graphicCollectionIterator(info_base* base) :
+   collectionIterator(base, GRAPHIC_SET_POS)
+{
+}
+
+graphicCollectionIterator::~graphicCollectionIterator()
+{
+}
+
+
+const char* graphicCollectionIterator::get_locator()
+{
+   oid_t id = get_oid(1);
+   graphic_smart_ptr gr(f_base, id);
+   return gr.locator();
+}
+
+locatorCollectionIterator::locatorCollectionIterator(info_base* base) :
+   collectionIterator(base, LOCATOR_SET_POS)
+{
+}
+
+locatorCollectionIterator::~locatorCollectionIterator()
+{
+}
+
+
+const char* locatorCollectionIterator::get_locator()
+{
+   oid_t id = get_oid(1);
+   locator_smart_ptr lc(f_base, id);
+   return lc.inside_node_locator_str();
+}
+
+