/*
- * Copyright (C) 1994, Index Data I/S
- * All rights reserved.
+ * Copyright (c) 1995-2000, Index Data
+ * See the file LICENSE for details.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: odr_choice.c,v $
- * Revision 1.5 1995-03-18 12:16:31 quinn
+ * Revision 1.18 2000-02-29 13:44:55 adam
+ * Check for config.h (currently not generated).
+ *
+ * Revision 1.17 1999/11/30 13:47:11 adam
+ * Improved installation. Moved header files to include/yaz.
+ *
+ * Revision 1.16 1999/04/20 09:56:48 adam
+ * Added 'name' paramter to encoder/decoder routines (typedef Odr_fun).
+ * Modified all encoders/decoders to reflect this change.
+ *
+ * Revision 1.15 1998/02/11 11:53:34 adam
+ * Changed code so that it compiles as C++.
+ *
+ * Revision 1.14 1997/05/14 06:53:57 adam
+ * C++ support.
+ *
+ * Revision 1.13 1997/04/30 08:52:10 quinn
+ * Null
+ *
+ * Revision 1.12 1996/10/08 12:58:17 adam
+ * New ODR function, odr_choice_enable_bias, to control behaviour of
+ * odr_choice_bias.
+ *
+ * Revision 1.11 1995/09/29 17:12:23 quinn
+ * Smallish
+ *
+ * Revision 1.10 1995/09/27 15:02:58 quinn
+ * Modified function heads & prototypes.
+ *
+ * Revision 1.9 1995/08/15 12:00:23 quinn
+ * Updated External
+ *
+ * Revision 1.8 1995/06/19 17:01:51 quinn
+ * This should bring us in sync with the version distributed as 1.0b
+ *
+ * Revision 1.7 1995/06/19 13:06:50 quinn
+ * Fixed simple bug in the code to handle untagged choice elements.
+ *
+ * Revision 1.6 1995/05/16 08:50:53 quinn
+ * License, documentation, and memory fixes
+ *
+ * Revision 1.5 1995/03/18 12:16:31 quinn
* Minor changes.
*
* Revision 1.4 1995/03/14 16:59:38 quinn
* A damn mess, but now things work, I think.
*
*/
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
-#include <odr.h>
+#include <yaz/odr.h>
-int odr_choice(ODR o, Odr_arm arm[], void *p, void *whichp)
+int odr_choice(ODR o, Odr_arm arm[], void *p, void *whichp,
+ const char *name)
{
- int i, cl = -1, tg, cn, *which = whichp;
+ int i, cl = -1, tg, cn, *which = (int *)whichp, bias = o->choice_bias;
if (o->error)
return 0;
if (o->direction != ODR_DECODE && !*(char**)p)
return 0;
+ o->choice_bias = -1;
+
+ if (o->direction == ODR_PRINT)
+ {
+ if (name)
+ {
+ odr_prname(o, name);
+ fprintf (o->print, "choice\n");
+ }
+ }
for (i = 0; arm[i].fun; i++)
{
if (o->direction == ODR_DECODE)
+ {
+ if (bias >= 0 && bias != arm[i].which)
+ continue;
*which = arm[i].which;
+ }
else if (*which != arm[i].which)
continue;
}
else if (o->direction != ODR_DECODE)
{
- cl = arm[i].class;
+ cl = arm[i].zclass;
tg = arm[i].tag;
}
- if (tg == arm[i].tag && cl == arm[i].class)
+ if (tg == arm[i].tag && cl == arm[i].zclass)
{
if (arm[i].tagmode == ODR_IMPLICIT)
{
odr_implicit_settag(o, cl, tg);
- return (*arm[i].fun)(o, p, 0);
+ return (*arm[i].fun)(o, (char **)p, 0, arm[i].name);
}
/* explicit */
- if (!odr_constructed_begin(o, p, cl, tg))
+ if (!odr_constructed_begin(o, p, cl, tg, 0))
return 0;
- return (*arm[i].fun)(o, p, 0) &&
+ return (*arm[i].fun)(o, (char **)p, 0, arm[i].name) &&
odr_constructed_end(o);
}
}
else /* no tagging. Have to poll type */
- if ((*arm[i].fun)(o, p, 0))
+ {
+ if ((*arm[i].fun)(o, (char **)p, 1, arm[i].name) && *(char**)p)
return 1;
+ }
}
*which = -1;
*(char*)p = 0;
return 0;
}
+
+void odr_choice_bias(ODR o, int what)
+{
+ if (o->enable_bias)
+ o->choice_bias = what;
+}
+
+void odr_choice_enable_bias (ODR o, int mode)
+{
+ o->enable_bias = mode;
+}