1/*	$NetBSD: tput.c,v 1.15 2003/08/07 11:16:46 agc Exp $	*/
2
3/*-
4 * Copyright (c) 1980, 1988, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32//#include <sys/cdefs.h>
33#define __P(x) x
34#ifndef lint
35static char copyright[] ="@(#) Copyright (c) 1980, 1988, 1993\n\
36	The Regents of the University of California.  All rights reserved.\n";
37#endif /* not lint */
38
39#ifndef lint
40#if 0
41static char sccsid[] = "@(#)tput.c	8.3 (Berkeley) 4/28/95";
42#endif
43static char rcsid[] = "$NetBSD: tput.c,v 1.15 2003/08/07 11:16:46 agc Exp $";
44#endif /* not lint */
45
46#include <termios.h>
47
48//#include <err.h>
49#include <stdio.h>
50#include <stdlib.h>
51#include <string.h>
52#include <termcap.h>
53#include <unistd.h>
54
55	int   main __P((int, char **));
56static int    outc __P((int));
57static void   prlongname __P((char *));
58static void   setospeed __P((void));
59static void   usage __P((void));
60static char **process __P((char *, char *, char **));
61
62int
63main(argc, argv)
64	int argc;
65	char **argv;
66{
67	int ch, exitval, n;
68	char *cptr, *p, *term, buf[1024], tbuf[1024];
69
70	term = NULL;
71	while ((ch = getopt(argc, argv, "T:")) != -1)
72		switch(ch) {
73		case 'T':
74			term = optarg;
75			break;
76		case '?':
77		default:
78			usage();
79		}
80	argc -= optind;
81	argv += optind;
82
83	if (!term && !(term = getenv("TERM")))
84		fprintf(stderr, "no terminal type specified and no TERM environmental variable.");
85	if (tgetent(tbuf, term) != 1)
86		fprintf(stderr, "tgetent failure");
87	setospeed();
88	for (exitval = 0; (p = *argv) != NULL; ++argv) {
89		switch (*p) {
90		case 'c':
91			if (!strcmp(p, "clear"))
92				p = "cl";
93			break;
94		case 'i':
95			if (!strcmp(p, "init"))
96				p = "is";
97			break;
98		case 'l':
99			if (!strcmp(p, "longname")) {
100				prlongname(tbuf);
101				continue;
102			}
103			break;
104		case 'r':
105			if (!strcmp(p, "reset"))
106				p = "rs";
107			break;
108		}
109		cptr = buf;
110		if (tgetstr(p, &cptr))
111			argv = process(p, buf, argv);
112		else if ((n = tgetnum(p)) != -1)
113			(void)printf("%d\n", n);
114		else
115			exitval = !tgetflag(p);
116
117		if (argv == NULL)
118			break;
119	}
120	exit(argv ? exitval : 2);
121}
122
123static void
124prlongname(buf)
125	char *buf;
126{
127	int savech;
128	char *p, *savep;
129
130	for (p = buf; *p && *p != ':'; ++p)
131		continue;
132	savech = *(savep = p);
133	for (*p = '\0'; p >= buf && *p != '|'; --p)
134		continue;
135	(void)printf("%s\n", p + 1);
136	*savep = savech;
137}
138
139static char **
140process(cap, str, argv)
141	char *cap, *str, **argv;
142{
143	static const char errfew[] =
144	    "not enough arguments (%d) for capability `%s'";
145	static const char errmany[] =
146	    "too many arguments (%d) for capability `%s'";
147	static const char erresc[] =
148	    "unknown %% escape `%c' for capability `%s'";
149	char *cp;
150	int arg_need, arg_rows, arg_cols;
151
152	/* Count how many values we need for this capability. */
153	for (cp = str, arg_need = 0; *cp != '\0'; cp++)
154		if (*cp == '%')
155			    switch (*++cp) {
156			    case 'd':
157			    case '2':
158			    case '3':
159			    case '.':
160			    case '+':
161				    arg_need++;
162				    break;
163			    case '%':
164			    case '>':
165			    case 'i':
166			    case 'r':
167			    case 'n':
168			    case 'B':
169			    case 'D':
170				    break;
171			    default:
172				/*
173				 * hpux has lot's of them, but we complain
174				 */
175				 fprintf(stderr, erresc, *cp, cap);
176			    }
177
178	/* And print them. */
179	switch (arg_need) {
180	case 0:
181		(void)tputs(str, 1, outc);
182		break;
183	case 1:
184		arg_cols = 0;
185
186		if (*++argv == NULL || *argv[0] == '\0')
187			fprintf(stderr, errfew);
188		arg_rows = atoi(*argv);
189
190		(void)tputs(tgoto(str, arg_cols, arg_rows), 1, outc);
191		break;
192	case 2:
193		if (*++argv == NULL || *argv[0] == '\0')
194			fprintf(stderr, errfew);
195		arg_rows = atoi(*argv);
196
197		if (*++argv == NULL || *argv[0] == '\0')
198			fprintf(stderr, errfew);
199		arg_cols = atoi(*argv);
200
201		(void) tputs(tgoto(str, arg_cols, arg_rows), arg_rows, outc);
202		break;
203
204	default:
205		fprintf(stderr, errmany);
206	}
207	return (argv);
208}
209
210static void
211setospeed()
212{
213#undef ospeed
214	extern short ospeed;
215	struct termios t;
216
217	if (tcgetattr(STDOUT_FILENO, &t) != -1)
218		ospeed = 0;
219	else
220		ospeed = cfgetospeed(&t);
221}
222
223static int
224outc(c)
225	int c;
226{
227	return (putchar(c));
228}
229
230static void
231usage()
232{
233	(void)fprintf(stderr, "usage: tput [-T term] attribute ...\n");
234	exit(1);
235}
236