source: trunk/ncurses/test/demo_termcap.c@ 3020

Last change on this file since 3020 was 2621, checked in by bird, 20 years ago

GNU ncurses 5.5
File size: 4.6 KB
Line 
1/****************************************************************************
2 * Copyright (c) 2005 Free Software Foundation, Inc. *
3 * *
4 * Permission is hereby granted, free of charge, to any person obtaining a *
5 * copy of this software and associated documentation files (the *
6 * "Software"), to deal in the Software without restriction, including *
7 * without limitation the rights to use, copy, modify, merge, publish, *
8 * distribute, distribute with modifications, sublicense, and/or sell *
9 * copies of the Software, and to permit persons to whom the Software is *
10 * furnished to do so, subject to the following conditions: *
11 * *
12 * The above copyright notice and this permission notice shall be included *
13 * in all copies or substantial portions of the Software. *
14 * *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
22 * *
23 * Except as contained in this notice, the name(s) of the above copyright *
24 * holders shall not be used in advertising or otherwise to promote the *
25 * sale, use or other dealings in this Software without prior written *
26 * authorization. *
27 ****************************************************************************/
28
29/*
30 * Author: Thomas E. Dickey
31 *
32 * $Id: demo_termcap.c,v 1.2 2005/04/30 14:57:54 tom Exp $
33 *
34 * A simple demo of the termcap interface.
35 */
36#include <test.priv.h>
37
38#define isCapName(c) (isgraph(c) && strchr("^#=:\\", c) == 0)
39
40static void
41dumpit(char *cap)
42{
43 /*
44 * One of the limitations of the termcap interface is that the library
45 * cannot determine the size of the buffer passed via tgetstr(), nor the
46 * amount of space remaining. This demo simply reuses the whole buffer
47 * for each call; a normal termcap application would try to use the buffer
48 * to hold all of the strings extracted from the terminal entry.
49 */
50 char area[1024], *ap = area;
51 char *str;
52 int num;
53
54 if ((str = tgetstr(cap, &ap)) != 0) {
55 /*
56 * Note that the strings returned are mostly terminfo format, since
57 * ncurses does not convert except for a handful of special cases.
58 */
59 printf("str %s = ", cap);
60 while (*str != 0) {
61 int ch = UChar(*str++);
62 switch (ch) {
63 case '\177':
64 fputs("^?", stdout);
65 break;
66 case '\033':
67 fputs("\\E", stdout);
68 break;
69 case '\b':
70 fputs("\\b", stdout);
71 break;
72 case '\f':
73 fputs("\\f", stdout);
74 break;
75 case '\n':
76 fputs("\\n", stdout);
77 break;
78 case '\r':
79 fputs("\\r", stdout);
80 break;
81 case ' ':
82 fputs("\\s", stdout);
83 break;
84 case '\t':
85 fputs("\\t", stdout);
86 break;
87 case '^':
88 fputs("\\^", stdout);
89 break;
90 case ':':
91 fputs("\\072", stdout);
92 break;
93 case '\\':
94 fputs("\\\\", stdout);
95 break;
96 default:
97 if (isgraph(ch))
98 fputc(ch, stdout);
99 else if (ch < 32)
100 printf("^%c", ch + '@');
101 else
102 printf("\\%03o", ch);
103 break;
104 }
105 }
106 printf("\n");
107 } else if ((num = tgetnum(cap)) >= 0) {
108 printf("num %s = %d\n", cap, num);
109 } else if ((num = tgetflag(cap)) != 0) {
110 printf("flg %s\n", cap);
111 }
112 fflush(stdout);
113}
114
115static void
116demo_termcap(char *name)
117{
118 char buffer[1024];
119
120 printf("Terminal type %s\n", name);
121 if (tgetent(buffer, name)) {
122 char cap[3];
123 int c1, c2;
124
125 cap[2] = 0;
126 for (c1 = 0; c1 < 256; ++c1) {
127 cap[0] = c1;
128 if (isCapName(c1)) {
129 for (c2 = 0; c2 < 256; ++c2) {
130 cap[1] = c2;
131 if (isCapName(c2)) {
132 dumpit(cap);
133 }
134 }
135 }
136 }
137 }
138}
139
140int
141main(int argc, char *argv[])
142{
143 int n;
144 char *name;
145
146 if (argc > 1) {
147 for (n = 1; n < argc; ++n) {
148 demo_termcap(argv[n]);
149 }
150 } else if ((name = getenv("TERM")) != 0) {
151 demo_termcap(name);
152 } else {
153 demo_termcap("dumb");
154 }
155
156 ExitProgram(EXIT_SUCCESS);
157}
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