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/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
*/
#include <string.h>
#define import_spp
#define import_libc
#define import_stdio
#include <iraf.h>
#include "config.h"
#include "operand.h"
#include "param.h"
#include "grammar.h"
#include "task.h"
#include "clmodes.h"
#include "proto.h"
/* Contains modified portions of modes.c for range checking etc. for use
* by EPARAM. The problem with modes.c is that it not only checks ranges,
* but does direct i/o to the terminal.
*/
extern int cldebug;
static char *e1 = "Not in batch";
static char *e2 = "Parameter value is out of range";
/* GQUERY -- Determine if the value of a parameter given by the user is OK.
* Also, store the new value in the parameter; in the case of a list
* structured parameter, the new value is the name of a new list file.
* This routine is called by EPARAM to verify that the new parameter value
* is inrange and set the new value if so.
*/
char *
gquery (struct param *pp, char *string)
{
register char *ip;
char buf[SZ_LINE];
char *query_status, *nlp, *errmsg;
int arrflag=0, offset=0, bastype=0, batch=0;
struct operand o;
bastype = pp->p_type & OT_BASIC;
batch = firstask->t_flags & T_BATCH;
arrflag = pp->p_type & PT_ARRAY;
if (arrflag)
offset = getoffset(pp);
if (batch) {
errmsg = e1;
return (errmsg);
} else
query_status = strcpy (buf, string);
ip = buf;
/* Set o to the current value of the parameter. Beware that some
* of the logical branches which follow assume that struct o has
* been initialized to the current value of the parameter.
*/
if (pp->p_type & PT_LIST) {
setopundef (&o);
} else if (arrflag) {
poffset (offset);
paramget (pp, FN_VALUE);
o = popop ();
} else
o = pp->p_valo;
/* Handle eof, a null-length line (lone carriage return),
* and line with more than SZ_LINE chars. Ignore leading whitespace
* if basic type is not string.
*/
if (query_status == NULL)
goto testval;
/* Ignore leading whitespace if it is not significant for this
* datatype. Do this before testing for empty line, so that a
* return such as " \n" is equivalent to "\n". I.e., do not
* penalize the user if they type the space bar by accident before
* typing return to accept the default value.
*/
if (bastype != OT_STRING || (pp->p_type & PT_LIST))
while (*ip == ' ' || *ip == '\t')
ip++;
if (*ip == '\n') {
/* Blank lines usually just accept the current value
* but if the param in a string and is undefined,
* it sets the string to a (defined) nullstring.
*/
if (bastype == OT_STRING && opundef (&o)) {
*ip = '\0';
o = makeop (ip, bastype);
} else
goto testval;
}
/* Cancel the newline. */
if ((nlp = strchr (ip, '\n')) != NULL)
*nlp = '\0';
/* Finally, we have handled the pathological cases.
*/
if (pp->p_type & PT_LIST)
o = makeop (string, OT_STRING);
else
o = makeop (ip, bastype);
testval:
if (*string == '@')
errmsg = "OK";
else if (pp->p_type & PT_LIST)
errmsg = "OK";
else if (inrange (pp, &o))
errmsg = "OK";
else {
errmsg = e2;
return (errmsg);
}
if (cldebug) {
eprintf ("changing `%s.p_val' to ", pp->p_name);
fprop (stderr, &o);
eprintf ("\n");
}
/* Update param with new value.
*/
pushop (&o);
if (arrflag)
poffset (offset);
paramset (pp, FN_VALUE);
pp->p_flags |= P_SET;
return ("OK");
}
/* MINMAX -- Format the minimum and maximum values of a parameter, if any.
*/
char *
minmax (register struct param *pp)
{
static char message[SZ_LINE];
/* Show the ranges if they are defined and this is a parameter
* type that has ranges.
*/
if (range_check (pp)) {
char str[SZ_LINE];
struct operand o;
o.o_type = pp->p_type & OT_BASIC;
sprintf (message, " (minimum=");
if (!(pp->p_flags & (P_IMIN|P_UMIN))) {
o.o_val = pp->p_min;
sprop (str, &o);
strcat (message, str);
}
strcat (message, ": maximum=");
if (!(pp->p_flags & (P_IMAX|P_UMAX))) {
o.o_val = pp->p_max;
sprop (str, &o);
strcat(message, str);
}
strcat (message, ")");
} else
message[0] = EOS;
return (message);
}
/* ENUMIN -- Format the enumeration string for a parameter.
*/
char *
enumin (register struct param *pp)
{
static char message[SZ_LINE];
if (!(pp->p_flags & (P_IMIN|P_UMIN))) {
char str[SZ_LINE];
struct operand o;
sprintf (message, " choose: ");
o.o_type = pp->p_type & OT_BASIC;
o.o_val = pp->p_min;
sprop (str, &o);
strcat (message, str);
} else
message[0] = EOS;
return (message);
}
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