-/*
- * Copyright (c) 1995-2003, Index Data
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) Index Data
* See the file LICENSE for details.
- * Sebastian Hammer, Adam Dickmeiss
- *
- * $Id: odr_choice.c,v 1.1 2003-10-27 12:21:33 adam Exp $
*/
+
+/**
+ * \file odr_choice.c
+ * \brief Implements ODR CHOICE codec
+ */
+
#if HAVE_CONFIG_H
#include <config.h>
#endif
#include "odr-priv.h"
int odr_choice(ODR o, Odr_arm arm[], void *p, void *whichp,
- const char *name)
+ const char *name)
{
- int i, cl = -1, tg, cn, *which = (int *)whichp, bias = o->choice_bias;
+ int i, cl = -1, tg, cn, *which = (int *)whichp, bias = o->op->choice_bias;
if (o->error)
- return 0;
+ return 0;
if (o->direction != ODR_DECODE && !*(char**)p)
- return 0;
+ return 0;
if (o->direction == ODR_DECODE)
{
*which = -1;
*(char**)p = 0;
}
- o->choice_bias = -1;
+ o->op->choice_bias = -1;
if (o->direction == ODR_PRINT)
{
- if (name)
- {
- odr_prname(o, name);
- fprintf (o->print, "choice\n");
- }
+ if (name)
+ {
+ odr_prname(o, name);
+ odr_printf(o, "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;
+ if (o->direction == ODR_DECODE)
+ {
+ if (bias >= 0 && bias != arm[i].which)
+ continue;
+ *which = arm[i].which;
+ }
+ else if (*which != arm[i].which)
+ continue;
- if (arm[i].tagmode != ODR_NONE)
- {
- if (o->direction == ODR_DECODE && cl < 0)
- {
- if (o->op->stackp > -1 && !odr_constructed_more(o))
- return 0;
- if (ber_dectag(o->bp, &cl, &tg, &cn, odr_max(o)) <= 0)
- return 0;
- }
- else if (o->direction != ODR_DECODE)
- {
- cl = arm[i].zclass;
- tg = arm[i].tag;
- }
- 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, (char **)p, 0, arm[i].name);
- }
- /* explicit */
- if (!odr_constructed_begin(o, p, cl, tg, 0))
- return 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, (char **)p, 1, arm[i].name) && *(char**)p)
- return 1;
- }
+ if (arm[i].tagmode != ODR_NONE)
+ {
+ if (o->direction == ODR_DECODE && cl < 0)
+ {
+ if (o->op->stack_top && !odr_constructed_more(o))
+ return 0;
+ if (ber_dectag(o->op->bp, &cl, &tg, &cn, odr_max(o)) <= 0)
+ return 0;
+ }
+ else if (o->direction != ODR_DECODE)
+ {
+ cl = arm[i].zclass;
+ tg = arm[i].tag;
+ }
+ 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, (char **)p, 0, arm[i].name);
+ }
+ /* explicit */
+ if (!odr_constructed_begin(o, p, cl, tg, 0))
+ return 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, (char **)p, 1, arm[i].name) && *(char**)p)
+ return 1;
+ }
}
return 0;
}
void odr_choice_bias(ODR o, int what)
{
- if (o->enable_bias)
- o->choice_bias = what;
+ if (o->op->enable_bias)
+ o->op->choice_bias = what;
}
void odr_choice_enable_bias (ODR o, int mode)
{
- o->enable_bias = mode;
+ o->op->enable_bias = mode;
}
+/*
+ * Local variables:
+ * c-basic-offset: 4
+ * c-file-style: "Stroustrup"
+ * indent-tabs-mode: nil
+ * End:
+ * vim: shiftwidth=4 tabstop=8 expandtab
+ */
+