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Diffstat (limited to 'contrib/ncurses/test/railroad.c')
| -rw-r--r-- | contrib/ncurses/test/railroad.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/contrib/ncurses/test/railroad.c b/contrib/ncurses/test/railroad.c new file mode 100644 index 000000000000..d3dc2eae8024 --- /dev/null +++ b/contrib/ncurses/test/railroad.c @@ -0,0 +1,201 @@ +/**************************************************************************** + * Copyright (c) 2000 Free Software Foundation, Inc. * + * * + * Permission is hereby granted, free of charge, to any person obtaining a * + * copy of this software and associated documentation files (the * + * "Software"), to deal in the Software without restriction, including * + * without limitation the rights to use, copy, modify, merge, publish, * + * distribute, distribute with modifications, sublicense, and/or sell * + * copies of the Software, and to permit persons to whom the Software is * + * furnished to do so, subject to the following conditions: * + * * + * The above copyright notice and this permission notice shall be included * + * in all copies or substantial portions of the Software. * + * * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * + * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * + * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * + * * + * Except as contained in this notice, the name(s) of the above copyright * + * holders shall not be used in advertising or otherwise to promote the * + * sale, use or other dealings in this Software without prior written * + * authorization. * + ****************************************************************************/ + +/* + * Author: Thomas E. Dickey <dickey@clark.net> 2000 + * + * $Id: railroad.c,v 1.1 2000/01/15 02:41:27 tom Exp $ + * + * A simple demo of the termcap interface. + */ +#include <test.priv.h> + +#include <termcap.h> +#include <ctype.h> +#include <signal.h> + +static char *finisC; +static char *finisS; +static char *finisU; + +static char *startC; +static char *startS; +static char *startU; + +static char *backup; + +static bool interrupted = FALSE; + +static int +outc(int c) +{ + if (interrupted) { + char tmp = c; + write(STDOUT_FILENO, &tmp, 1); + } else { + putc(c, stdout); + } + return 0; +} + +static void +PutChar(int ch) +{ + putchar(ch); + fflush(stdout); + napms(50); /* not really termcap... */ +} + +static void +Backup(void) +{ + tputs(backup != 0 ? backup : "\b", 1, outc); +} + +static void +ShowCursor(int flag) +{ + if (startC != 0 && finisC != 0) { + tputs(flag ? startC : finisC, 1, outc); + } +} + +static void +StandOut(int flag) +{ + if (startS != 0 && finisS != 0) { + tputs(flag ? startS : finisS, 1, outc); + } +} + +static void +Underline(int flag) +{ + if (startU != 0 && finisU != 0) { + tputs(flag ? startU : finisU, 1, outc); + } +} + +static void +ShowSign(char *string) +{ + int ch, first, last; + + while (*string != 0) { + ch = *string; + last = ch; + if (isalpha(ch)) { + first = isupper(ch) ? 'A' : 'a'; + } else if (isdigit(ch)) { + first = '0'; + } else { + first = ch; + } + if (first < last) { + Underline(1); + while (first < last) { + PutChar(first); + Backup(); + first++; + } + Underline(0); + } + StandOut(1); + PutChar(ch); + StandOut(0); + fflush(stdout); + string++; + } + putchar('\n'); +} + +static void +cleanup(void) +{ + Underline(0); + StandOut(0); + ShowCursor(1); +} + +static void +onsig(int n GCC_UNUSED) +{ + interrupted = TRUE; + cleanup(); + exit(EXIT_FAILURE); +} + +static void +railroad(char **args) +{ + char *name = getenv("TERM"); + char buffer[1024]; + char area[1024], *ap = area; + int j; + + if (name == 0) + name = "dumb"; + if (tgetent(buffer, name)) { + startS = tgetstr("so", &ap); + finisS = tgetstr("se", &ap); + + startU = tgetstr("us", &ap); + finisU = tgetstr("ue", &ap); + + backup = tgetstr("le", &ap); + + startC = tgetstr("ve", &ap); + finisC = tgetstr("vi", &ap); + + ShowCursor(0); + + for (j = SIGHUP; j <= SIGTERM; j++) + if (signal(j, SIG_IGN) != SIG_IGN) + signal(j, onsig); + + while (*args) { + ShowSign(*args++); + } + ShowCursor(1); + } +} + +int +main( + int argc, + char *argv[]) +{ + if (argc > 1) { + railroad(argv + 1); + } else { + static char *hello[] = + {"Hello World", 0}; + railroad(hello); + } + return EXIT_SUCCESS; +} |