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
main(argc,argv)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
morse(c)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
show(s)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 }
146