/* $OpenBSD: ppt.c,v 1.10 2003/07/10 00:03:01 david Exp $ */ /* $NetBSD: ppt.c,v 1.4 1995/03/23 08:35:40 cgd Exp $ */ /* * Copyright (c) 1988, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static const char copyright[] = "@(#) Copyright (c) 1988, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint #if 0 static const char sccsid[] = "@(#)ppt.c 8.1 (Berkeley) 5/31/93"; #else static const char rcsid[] = "$OpenBSD: ppt.c,v 1.10 2003/07/10 00:03:01 david Exp $"; #endif #endif /* not lint */ #include <sys/types.h> #include <err.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <unistd.h> #include <vis.h> #define EDGE "___________" void usage(void); void putppt(int); int getppt(const char *buf); void usage(void) { extern char *__progname; fprintf(stderr, "usage: %s [-d [-b] | string ...]\n", __progname); exit(1); } int main(int argc, char **argv) { char *p, buf[132]; int c, start, seenl, dflag, bflag; dflag = bflag = 0; while ((c = getopt(argc, argv, "bdh")) != -1) switch(c) { case 'd': dflag = 1; break; case 'b': bflag = 1; break; case '?': case 'h': default: usage(); } if (bflag && !dflag) usage(); argc -= optind; argv += optind; if (dflag) { if (argc > 0) usage(); seenl = start = 0; while (fgets(buf, sizeof(buf), stdin) != NULL) { c = getppt(buf); if (c == -2) continue; if (c == -1) { if (start) /* lost sync */ putchar('x'); continue; } start = 1; if (bflag) putchar(c); else { char vbuf[5]; vis(vbuf, c, VIS_NOSLASH, 0); fputs(vbuf, stdout); } seenl = (c == '\n'); } if (!feof(stdin)) err(1, "fgets"); if (!seenl && !bflag) putchar('\n'); } else { (void) puts(EDGE); if (argc > 0) while ((p = *argv++)) { for (; *p; ++p) putppt((int)*p); if (*argv) putppt((int)' '); } else while ((c = getchar()) != EOF) putppt(c); (void) puts(EDGE); } exit(0); } void putppt(int c) { int i; (void) putchar('|'); for (i = 7; i >= 0; i--) { if (i == 2) (void) putchar('.'); /* feed hole */ if ((c&(1<<i)) != 0) (void) putchar('o'); else (void) putchar(' '); } (void) putchar('|'); (void) putchar('\n'); } int getppt(const char *buf) { int c; /* Demand left-aligned paper tape, but allow comments to the right */ if (strncmp(buf, EDGE, strlen(EDGE)) == 0) return (-2); if (strlen(buf) < 12 || buf[0] != '|' || buf[10] != '|' || buf[6] != '.' || strspn(buf, "| o.") < 11) return (-1); c = 0; if (buf[1] != ' ') c |= 0200; if (buf[2] != ' ') c |= 0100; if (buf[3] != ' ') c |= 0040; if (buf[4] != ' ') c |= 0020; if (buf[5] != ' ') c |= 0010; if (buf[7] != ' ') c |= 0004; if (buf[8] != ' ') c |= 0002; if (buf[9] != ' ') c |= 0001; return (c); }