| 1 | /* |
| 2 | * Copyright (c) 1988 Regents of the University of California. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * 3. All advertising materials mentioning features or use of this software |
| 14 | * must display the following acknowledgement: |
| 15 | * This product includes software developed by the University of |
| 16 | * California, Berkeley and its contributors. |
| 17 | * 4. Neither the name of the University nor the names of its contributors |
| 18 | * may be used to endorse or promote products derived from this software |
| 19 | * without specific prior written permission. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 31 | * SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | #ifndef lint |
| 35 | char copyright[] = |
| 36 | "@(#) Copyright (c) 1988 Regents of the University of California.\n\ |
| 37 | All rights reserved.\n"; |
| 38 | #endif /* not lint */ |
| 39 | |
| 40 | #ifndef lint |
| 41 | static char sccsid[] = "@(#)morse.c 5.3 (Berkeley) 2/28/91"; |
| 42 | #endif /* not lint */ |
| 43 | |
| 44 | #include <stdio.h> |
| 45 | #include <ctype.h> |
| 46 | |
| 47 | static char |
| 48 | *digit[] = { |
| 49 | "-----", |
| 50 | ".----", |
| 51 | "..---", |
| 52 | "...--", |
| 53 | "....-", |
| 54 | ".....", |
| 55 | "-....", |
| 56 | "--...", |
| 57 | "---..", |
| 58 | "----.", |
| 59 | }, |
| 60 | *alph[] = { |
| 61 | ".-", |
| 62 | "-...", |
| 63 | "-.-.", |
| 64 | "-..", |
| 65 | ".", |
| 66 | "..-.", |
| 67 | "--.", |
| 68 | "....", |
| 69 | "..", |
| 70 | ".---", |
| 71 | "-.-", |
| 72 | ".-..", |
| 73 | "--", |
| 74 | "-.", |
| 75 | "---", |
| 76 | ".--.", |
| 77 | "--.-", |
| 78 | ".-.", |
| 79 | "...", |
| 80 | "-", |
| 81 | "..-", |
| 82 | "...-", |
| 83 | ".--", |
| 84 | "-..-", |
| 85 | "-.--", |
| 86 | "--..", |
| 87 | }; |
| 88 | |
| 89 | static int sflag; |
| 90 | |
| 91 | main(argc, argv) |
| 92 | int argc; |
| 93 | char **argv; |
| 94 | { |
| 95 | extern char *optarg; |
| 96 | extern int optind; |
| 97 | register int ch; |
| 98 | register char *p; |
| 99 | |
| 100 | while ((ch = getopt(argc, argv, "s")) != EOF) |
| 101 | switch((char)ch) { |
| 102 | case 's': |
| 103 | sflag = 1; |
| 104 | break; |
| 105 | case '?': |
| 106 | default: |
| 107 | fprintf(stderr, "usage: morse [string ...]"); |
| 108 | exit(1); |
| 109 | } |
| 110 | argc -= optind; |
| 111 | argv += optind; |
| 112 | |
| 113 | if (*argv) |
| 114 | do { |
| 115 | for (p = *argv; *p; ++p) |
| 116 | morse((int)*p); |
| 117 | } while (*++argv); |
| 118 | else while ((ch = getchar()) != EOF) |
| 119 | morse(ch); |
| 120 | } |
| 121 | |
| 122 | morse(c) |
| 123 | register int c; |
| 124 | { |
| 125 | if (isalpha(c)) |
| 126 | show(alph[c - (isupper(c) ? 'A' : 'a')]); |
| 127 | else if (isdigit(c)) |
| 128 | show(digit[c - '0']); |
| 129 | else if (c == ',') |
| 130 | show("--..--"); |
| 131 | else if (c == '.') |
| 132 | show(".-.-.-"); |
| 133 | else if (isspace(c)) |
| 134 | show(" ...\n"); |
| 135 | } |
| 136 | |
| 137 | show(s) |
| 138 | register char *s; |
| 139 | { |
| 140 | if (sflag) |
| 141 | printf(" %s", s); |
| 142 | else for (; *s; ++s) |
| 143 | printf(" %s", *s == '.' ? "dit" : "daw"); |
| 144 | printf(",\n"); |
| 145 | } |