1/**************************************************************************** 2 * Copyright (c) 2005-2007,2008 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 1.7 2008/02/09 18:08:36 tom Exp $ 33 * 34 * A simple demo of the termcap interface. 35 */ 36#define USE_TINFO 37#include <test.priv.h> 38 39#if HAVE_TGETENT 40 41#define isCapName(c) (isgraph(c) && strchr("^#=:\\", c) == 0) 42 43static void 44dumpit(char *cap) 45{ 46 /* 47 * One of the limitations of the termcap interface is that the library 48 * cannot determine the size of the buffer passed via tgetstr(), nor the 49 * amount of space remaining. This demo simply reuses the whole buffer 50 * for each call; a normal termcap application would try to use the buffer 51 * to hold all of the strings extracted from the terminal entry. 52 */ 53 char area[1024], *ap = area; 54 char *str; 55 int num; 56 57 if ((str = tgetstr(cap, &ap)) != 0) { 58 /* 59 * Note that the strings returned are mostly terminfo format, since 60 * ncurses does not convert except for a handful of special cases. 61 */ 62 printf("str %s = ", cap); 63 while (*str != 0) { 64 int ch = UChar(*str++); 65 switch (ch) { 66 case '\177': 67 fputs("^?", stdout); 68 break; 69 case '\033': 70 fputs("\\E", stdout); 71 break; 72 case '\b': 73 fputs("\\b", stdout); 74 break; 75 case '\f': 76 fputs("\\f", stdout); 77 break; 78 case '\n': 79 fputs("\\n", stdout); 80 break; 81 case '\r': 82 fputs("\\r", stdout); 83 break; 84 case ' ': 85 fputs("\\s", stdout); 86 break; 87 case '\t': 88 fputs("\\t", stdout); 89 break; 90 case '^': 91 fputs("\\^", stdout); 92 break; 93 case ':': 94 fputs("\\072", stdout); 95 break; 96 case '\\': 97 fputs("\\\\", stdout); 98 break; 99 default: 100 if (isgraph(ch)) 101 fputc(ch, stdout); 102 else if (ch < 32) 103 printf("^%c", ch + '@'); 104 else 105 printf("\\%03o", ch); 106 break; 107 } 108 } 109 printf("\n"); 110 } else if ((num = tgetnum(cap)) >= 0) { 111 printf("num %s = %d\n", cap, num); 112 } else if ((num = tgetflag(cap)) > 0) { 113 printf("flg %s\n", cap); 114 } 115 fflush(stdout); 116} 117 118static void 119demo_termcap(char *name) 120{ 121 char buffer[1024]; 122 123 printf("Terminal type %s\n", name); 124 if (tgetent(buffer, name) >= 0) { 125 char cap[3]; 126 int c1, c2; 127 128 cap[2] = 0; 129 for (c1 = 0; c1 < 256; ++c1) { 130 cap[0] = c1; 131 if (isCapName(c1)) { 132 for (c2 = 0; c2 < 256; ++c2) { 133 cap[1] = c2; 134 if (isCapName(c2)) { 135 dumpit(cap); 136 } 137 } 138 } 139 } 140 } 141} 142 143int 144main(int argc, char *argv[]) 145{ 146 int n; 147 char *name; 148 149 if (argc > 1) { 150 for (n = 1; n < argc; ++n) { 151 demo_termcap(argv[n]); 152 } 153 } else if ((name = getenv("TERM")) != 0) { 154 demo_termcap(name); 155 } else { 156 static char dumb[] = "dumb"; 157 demo_termcap(dumb); 158 } 159 160 ExitProgram(EXIT_SUCCESS); 161} 162 163#else 164int 165main(int argc GCC_UNUSED, 166 char *argv[]GCC_UNUSED) 167{ 168 printf("This program requires termcap\n"); 169 exit(EXIT_FAILURE); 170} 171#endif 172