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/**************************************************************************** * Copyright (c) 2000-2008,2009 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 - 2000 * * $Id: railroad.c,v 1.20 2011/04/23 19:15:04 tom Exp $ * * A simple demo of the termcap interface. */ #define USE_TINFO #include <test.priv.h> #if HAVE_TGETENT static char *wipeit; static char *moveit; static int length; static int height; 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 TPUTS_PROTO(outc, c) { int rc = OK; if (interrupted) { char tmp = (char) c; if (write(STDOUT_FILENO, &tmp, 1) == -1) rc = ERR; } else { if (putc(c, stdout) == EOF) rc = ERR; } TPUTS_RETURN(rc); } static void PutChar(int ch) { putchar(ch); fflush(stdout); napms(moveit ? 10 : 50); /* not really termcap... */ } static void Backup(void) { tputs(backup != 0 ? backup : "\b", 1, outc); } static void MyShowCursor(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) { char *base = string; int ch, first, last; if (moveit != 0) { tputs(tgoto(moveit, 0, height - 1), 1, outc); tputs(wipeit, 1, outc); } while (*string != 0) { ch = *string; if (ch != ' ') { if (moveit != 0) { for (first = length - 2; first >= (string - base); first--) { if (first < length - 1) { tputs(tgoto(moveit, first + 1, height - 1), 1, outc); PutChar(' '); } tputs(tgoto(moveit, first, height - 1), 1, outc); PutChar(ch); } } else { 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); } } if (moveit != 0) Backup(); } StandOut(1); PutChar(ch); StandOut(0); fflush(stdout); string++; } if (moveit != 0) tputs(wipeit, 1, outc); putchar('\n'); } static void cleanup(void) { Underline(0); StandOut(0); MyShowCursor(1); } static void onsig(int n GCC_UNUSED) { interrupted = TRUE; cleanup(); ExitProgram(EXIT_FAILURE); } static void railroad(char **args) { NCURSES_CONST char *name = getenv("TERM"); char buffer[1024]; char area[1024], *ap = area; if (name == 0) name = "dumb"; if (tgetent(buffer, name) >= 0) { wipeit = tgetstr("ce", &ap); height = tgetnum("li"); length = tgetnum("co"); moveit = tgetstr("cm", &ap); if (wipeit == 0 || moveit == 0 || height <= 0 || length <= 0) { wipeit = 0; moveit = 0; height = 0; length = 0; } 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); MyShowCursor(0); CATCHALL(onsig); while (*args) { ShowSign(*args++); } MyShowCursor(1); } } int main(int argc, char *argv[]) { if (argc > 1) { railroad(argv + 1); } else { static char world[] = "Hello World"; static char *hello[] = {world, 0}; railroad(hello); } ExitProgram(EXIT_SUCCESS); } #else int main(int argc GCC_UNUSED, char *argv[]GCC_UNUSED) { printf("This program requires termcap\n"); exit(EXIT_FAILURE); } #endif
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