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

cde/programs/dtinfo/DtMmdb/index/index.C

@@ -0,0 +1,134 @@
+/*
+ * $XConsortium: index.cc /main/6 1996/07/18 14:36:52 drk $
+ *
+ * Copyright (c) 1993 HAL Computer Systems International, Ltd.
+ * All rights reserved.  Unpublished -- rights reserved under
+ * the Copyright Laws of the United States.  USE OF A COPYRIGHT
+ * NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
+ * OR DISCLOSURE.
+ * 
+ * THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
+ * SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.  USE,
+ * DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
+ * PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
+ * INTERNATIONAL, LTD.
+ * 
+ *                         RESTRICTED RIGHTS LEGEND
+ * Use, duplication, or disclosure by the Government is subject
+ * to the restrictions as set forth in subparagraph (c)(l)(ii)
+ * of the Rights in Technical Data and Computer Software clause
+ * at DFARS 252.227-7013.
+ *
+ *          HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
+ *                  1315 Dell Avenue
+ *                  Campbell, CA  95008
+ * 
+ */
+
+
+#include "index/index.h"
+
+#ifdef C_API
+key_type* c_index::v_static_key_ptr;
+#define v_static_key (*v_static_key_ptr)
+#else
+key_type c_index::v_static_key(LBUFSIZ);
+#endif
+
+void c_index::init_persistent_info(persistent_info* x)
+{
+   root::init_persistent_info(x);
+   set_mode(SWAP_ALLOWED, false);
+}
+
+c_index::c_index(c_code_t c_cd) : composite(c_cd)
+{ 
+   v_cmp_selector = 0;
+}
+
+oid_list_handler* c_index::operator()(int ind)
+{
+   return (*v_inv_lists_hd) -> get_list( ind );
+}
+
+ostream& operator <<(ostream& s, c_index&) 
+{ 
+   return s;
+}
+
+oid_t c_index::first_of_invlist(const handler& q)
+{
+   return first_of_invlist(handler_to_inv_idx(q));
+}
+
+oid_t c_index::first_of_invlist(int ind)
+{
+   oid_t x;
+   oid_list_handler* y = (*this)(ind);
+
+   if ( y == 0 ) {
+     throw(stringException("NULL oid list handler ptr"));
+   }
+
+   if ( (*y) -> count() == 0 )
+     throw(stringException("index::first_of_invlist(): empty list"));
+   
+   x = (*y) -> operator()((*y) -> first()); 
+
+   delete y;
+
+//MESSAGE(cerr, "c_index::first_of_invlist() returns: ");
+//debug(cerr, x);
+   return x;
+}
+
+
+Boolean c_index::get_key_string(const handler& t) const
+{
+   ostrstream out(v_static_key.get(), v_static_key.alloc_size());
+
+   ((handler&)t) -> asciiOut(out);
+   v_static_key.set_size(out.pcount());
+
+   return true;
+}
+
+Boolean c_index::get_key_string(const oid_t& t) const
+{
+   v_static_key.reset();
+
+   ostrstream out(v_static_key.get(), v_static_key.alloc_size());
+   t.asciiOut(out);
+
+   v_static_key.set_size(out.pcount());
+
+   return true;
+}
+
+
+int c_index::cdr_sizeof()
+{
+   return composite::cdr_sizeof() + sizeof(v_cmp_selector);
+}
+
+io_status c_index::cdrOut(buffer& buf)
+{
+   composite::cdrOut(buf);
+   buf.put(v_cmp_selector);
+   return done;
+}
+
+io_status c_index::cdrIn(buffer& buf)
+{
+   composite::cdrIn(buf);
+   buf.get(v_cmp_selector);
+   return done;
+}
+
+void c_index::commit()
+{
+   if ( v_inv_lists_hd )
+     v_inv_lists_hd -> commit();
+}
+
+HANDLER_BODIES(c_index)