tput.c revision 1.1 
1/*	$NetBSD: tput.c,v 1.8 1995/08/31 22:11:37 jtc 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. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the University of
18 *	California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef lint
37static char copyright[] =
38"@(#) Copyright (c) 1980, 1988, 1993\n\
39	The Regents of the University of California.  All rights reserved.\n";
40#endif /* not lint */
41
42#ifndef lint
43#if 0
44static char sccsid[] = "@(#)tput.c	8.3 (Berkeley) 4/28/95";
45#endif
46static char rcsid[] = "$NetBSD: tput.c,v 1.8 1995/08/31 22:11:37 jtc Exp $";
47#endif /* not lint */
48
49#include <termios.h>
50
51#include <err.h>
52#include <curses.h>
53#include <stdio.h>
54#include <stdlib.h>
55#include <unistd.h>
56
57static void   prlongname __P((char *));
58static void   setospeed __P((void));
59static void   outc __P((int));
60static void   usage __P((void));
61static char **process __P((char *, char *, char **));
62
63int
64main(argc, argv)
65	int argc;
66	char **argv;
67{
68	extern char *optarg;
69	extern int optind;
70	int ch, exitval, n;
71	char *cptr, *p, *term, buf[1024], tbuf[1024];
72
73	term = NULL;
74	while ((ch = getopt(argc, argv, "T:")) != EOF)
75		switch(ch) {
76		case 'T':
77			term = optarg;
78			break;
79		case '?':
80		default:
81			usage();
82		}
83	argc -= optind;
84	argv += optind;
85
86	if (!term && !(term = getenv("TERM")))
87errx(2, "no terminal type specified and no TERM environmental variable.");
88	if (tgetent(tbuf, term) != 1)
89		err(2, "tgetent failure");
90	setospeed();
91	for (exitval = 0; (p = *argv) != NULL; ++argv) {
92		switch (*p) {
93		case 'c':
94			if (!strcmp(p, "clear"))
95				p = "cl";
96			break;
97		case 'i':
98			if (!strcmp(p, "init"))
99				p = "is";
100			break;
101		case 'l':
102			if (!strcmp(p, "longname")) {
103				prlongname(tbuf);
104				continue;
105			}
106			break;
107		case 'r':
108			if (!strcmp(p, "reset"))
109				p = "rs";
110			break;
111		}
112		cptr = buf;
113		if (tgetstr(p, &cptr))
114			argv = process(p, buf, argv);
115		else if ((n = tgetnum(p)) != -1)
116			(void)printf("%d\n", n);
117		else
118			exitval = !tgetflag(p);
119
120		if (argv == NULL)
121			break;
122	}
123	exit(argv ? exitval : 2);
124}
125
126static void
127prlongname(buf)
128	char *buf;
129{
130	int savech;
131	char *p, *savep;
132
133	for (p = buf; *p && *p != ':'; ++p)
134		continue;
135	savech = *(savep = p);
136	for (*p = '\0'; p >= buf && *p != '|'; --p)
137		continue;
138	(void)printf("%s\n", p + 1);
139	*savep = savech;
140}
141
142static char **
143process(cap, str, argv)
144	char *cap, *str, **argv;
145{
146	static char errfew[] =
147	    "not enough arguments (%d) for capability `%s'";
148	static char errmany[] =
149	    "too many arguments (%d) for capability `%s'";
150	static char erresc[] =
151	    "unknown %% escape `%c' for capability `%s'";
152	char *cp;
153	int arg_need, arg_rows, arg_cols;
154
155	/* Count how many values we need for this capability. */
156	for (cp = str, arg_need = 0; *cp != '\0'; cp++)
157		if (*cp == '%')
158			    switch (*++cp) {
159			    case 'd':
160			    case '2':
161			    case '3':
162			    case '.':
163			    case '+':
164				    arg_need++;
165				    break;
166			    case '%':
167			    case '>':
168			    case 'i':
169			    case 'r':
170			    case 'n':
171			    case 'B':
172			    case 'D':
173				    break;
174			    default:
175				/*
176				 * hpux has lot's of them, but we complain
177				 */
178				 errx(2, erresc, *cp, cap);
179			    }
180
181	/* And print them. */
182	switch (arg_need) {
183	case 0:
184		(void)tputs(str, 1, outc);
185		break;
186	case 1:
187		arg_cols = 0;
188
189		if (*++argv == NULL || *argv[0] == '\0')
190			errx(2, errfew, 1, cap);
191		arg_rows = atoi(*argv);
192
193		(void)tputs(tgoto(str, arg_cols, arg_rows), 1, outc);
194		break;
195	case 2:
196		if (*++argv == NULL || *argv[0] == '\0')
197			errx(2, errfew, 2, cap);
198		arg_rows = atoi(*argv);
199
200		if (*++argv == NULL || *argv[0] == '\0')
201			errx(2, errfew, 2, cap);
202		arg_cols = atoi(*argv);
203
204		(void) tputs(tgoto(str, arg_cols, arg_rows), arg_rows, outc);
205		break;
206
207	default:
208		errx(2, errmany, arg_need, cap);
209	}
210	return (argv);
211}
212
213static void
214setospeed()
215{
216#undef ospeed
217	extern short ospeed;
218	struct termios t;
219
220	if (tcgetattr(STDOUT_FILENO, &t) != -1)
221		ospeed = 0;
222	else
223		ospeed = cfgetospeed(&t);
224}
225
226static void
227outc(c)
228	int c;
229{
230	(void)putchar(c);
231}
232
233static void
234usage()
235{
236	(void)fprintf(stderr, "usage: tput [-T term] attribute ...\n");
237	exit(1);
238}
239