xref: /onnv-gate/usr/src/lib/libeti/form/common/ty_num.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  *      Copyright (c) 1997, by Sun Microsystems, Inc.
28*0Sstevel@tonic-gate  *      All rights reserved.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI" /* SVr4.0 1.2 */
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate /*LINTLIBRARY*/
34*0Sstevel@tonic-gate 
35*0Sstevel@tonic-gate #include <sys/types.h>
36*0Sstevel@tonic-gate #include <stdlib.h>
37*0Sstevel@tonic-gate #include "utility.h"
38*0Sstevel@tonic-gate 
39*0Sstevel@tonic-gate /*
40*0Sstevel@tonic-gate  *	TYPE_NUMERIC standard type
41*0Sstevel@tonic-gate  *
42*0Sstevel@tonic-gate  *	usage:
43*0Sstevel@tonic-gate  *		set_field_type(f, TYPE_NUMERIC, precision, vmin, vmax);
44*0Sstevel@tonic-gate  *
45*0Sstevel@tonic-gate  *		int precision;	digits to right of decimal point
46*0Sstevel@tonic-gate  *		double vmin;	minimum acceptable value
47*0Sstevel@tonic-gate  *		double vmax;	maximum acceptable value
48*0Sstevel@tonic-gate  */
49*0Sstevel@tonic-gate static char *make_num(va_list *);
50*0Sstevel@tonic-gate static char *copy_num(char *);
51*0Sstevel@tonic-gate static void free_num(char *);
52*0Sstevel@tonic-gate static int fcheck_num(FIELD *, char *);
53*0Sstevel@tonic-gate static int ccheck_num(int, char *);
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate typedef struct {
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate 	int	prec;
58*0Sstevel@tonic-gate 	double	vmin;
59*0Sstevel@tonic-gate 	double	vmax;
60*0Sstevel@tonic-gate } NUMERIC;
61*0Sstevel@tonic-gate 
62*0Sstevel@tonic-gate static FIELDTYPE typeNUMERIC =
63*0Sstevel@tonic-gate {
64*0Sstevel@tonic-gate 				ARGS,			/* status	*/
65*0Sstevel@tonic-gate 				1,			/* ref		*/
66*0Sstevel@tonic-gate 				(FIELDTYPE *) 0,	/* left		*/
67*0Sstevel@tonic-gate 				(FIELDTYPE *) 0,	/* right	*/
68*0Sstevel@tonic-gate 				make_num,		/* makearg	*/
69*0Sstevel@tonic-gate 				copy_num,		/* copyarg	*/
70*0Sstevel@tonic-gate 				free_num,		/* freearg	*/
71*0Sstevel@tonic-gate 				fcheck_num,		/* fcheck	*/
72*0Sstevel@tonic-gate 				ccheck_num,		/* ccheck	*/
73*0Sstevel@tonic-gate 				(PTF_int) 0,		/* next		*/
74*0Sstevel@tonic-gate 				(PTF_int) 0,		/* prev		*/
75*0Sstevel@tonic-gate };
76*0Sstevel@tonic-gate 
77*0Sstevel@tonic-gate FIELDTYPE * TYPE_NUMERIC = &typeNUMERIC;
78*0Sstevel@tonic-gate 
79*0Sstevel@tonic-gate static char *
make_num(va_list * ap)80*0Sstevel@tonic-gate make_num(va_list *ap)
81*0Sstevel@tonic-gate {
82*0Sstevel@tonic-gate 	NUMERIC * n;
83*0Sstevel@tonic-gate 
84*0Sstevel@tonic-gate 	if (Alloc(n, NUMERIC)) {
85*0Sstevel@tonic-gate 		n -> prec = va_arg(*ap, int);
86*0Sstevel@tonic-gate 		n -> vmin = va_arg(*ap, double);
87*0Sstevel@tonic-gate 		n -> vmax = va_arg(*ap, double);
88*0Sstevel@tonic-gate 	}
89*0Sstevel@tonic-gate 	return ((char *) n);
90*0Sstevel@tonic-gate }
91*0Sstevel@tonic-gate 
92*0Sstevel@tonic-gate static char *
copy_num(char * arg)93*0Sstevel@tonic-gate copy_num(char *arg)
94*0Sstevel@tonic-gate {
95*0Sstevel@tonic-gate 	NUMERIC *n;
96*0Sstevel@tonic-gate 
97*0Sstevel@tonic-gate 	if (Alloc(n, NUMERIC))
98*0Sstevel@tonic-gate 		*n = *((NUMERIC *) arg);
99*0Sstevel@tonic-gate 	return ((char *) n);
100*0Sstevel@tonic-gate }
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate static void
free_num(char * arg)103*0Sstevel@tonic-gate free_num(char *arg)
104*0Sstevel@tonic-gate {
105*0Sstevel@tonic-gate 	Free(arg);
106*0Sstevel@tonic-gate }
107*0Sstevel@tonic-gate 
108*0Sstevel@tonic-gate static int
fcheck_num(FIELD * f,char * arg)109*0Sstevel@tonic-gate fcheck_num(FIELD *f, char *arg)
110*0Sstevel@tonic-gate {
111*0Sstevel@tonic-gate 	NUMERIC *	n = (NUMERIC *) arg;
112*0Sstevel@tonic-gate 	double		vmin = n -> vmin;
113*0Sstevel@tonic-gate 	double		vmax = n -> vmax;
114*0Sstevel@tonic-gate 	int		prec = n -> prec;
115*0Sstevel@tonic-gate 	char *		x = field_buffer(f, 0);
116*0Sstevel@tonic-gate 	char		buf[80];
117*0Sstevel@tonic-gate 
118*0Sstevel@tonic-gate 	while (*x && *x == ' ')
119*0Sstevel@tonic-gate 		++x;
120*0Sstevel@tonic-gate 	if (*x) {
121*0Sstevel@tonic-gate 		char * t = x;
122*0Sstevel@tonic-gate 
123*0Sstevel@tonic-gate 		if (*x == '-')
124*0Sstevel@tonic-gate 			++x;
125*0Sstevel@tonic-gate 		while (*x && isdigit(*x))
126*0Sstevel@tonic-gate 			++x;
127*0Sstevel@tonic-gate 		if (*x == '.') {
128*0Sstevel@tonic-gate 			++x;
129*0Sstevel@tonic-gate 			while (*x && isdigit(*x))
130*0Sstevel@tonic-gate 				++x;
131*0Sstevel@tonic-gate 		}
132*0Sstevel@tonic-gate 		while (*x && *x == ' ')
133*0Sstevel@tonic-gate 			++x;
134*0Sstevel@tonic-gate 		if (! *x) {
135*0Sstevel@tonic-gate 			double v = atof(t);
136*0Sstevel@tonic-gate 
137*0Sstevel@tonic-gate 			if (vmin >= vmax || (v >= vmin && v <= vmax)) {
138*0Sstevel@tonic-gate 				(void) sprintf(buf, "%.*f", prec, v);
139*0Sstevel@tonic-gate 				(void) set_field_buffer(f, 0, buf);
140*0Sstevel@tonic-gate 				return (TRUE);
141*0Sstevel@tonic-gate 			}
142*0Sstevel@tonic-gate 		}
143*0Sstevel@tonic-gate 	}
144*0Sstevel@tonic-gate 	return (FALSE);
145*0Sstevel@tonic-gate }
146*0Sstevel@tonic-gate 
147*0Sstevel@tonic-gate #define	charok(c)	(isdigit(c) || c == '-' || c == '.')
148*0Sstevel@tonic-gate 
149*0Sstevel@tonic-gate /*ARGSUSED*/
150*0Sstevel@tonic-gate 
151*0Sstevel@tonic-gate static int
ccheck_num(int c,char * arg)152*0Sstevel@tonic-gate ccheck_num(int c, char *arg)
153*0Sstevel@tonic-gate {
154*0Sstevel@tonic-gate 	return (charok(c));
155*0Sstevel@tonic-gate }
156