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4203c128 | 1 | ;;; morse.el --- convert text to morse code and back -*- coding: utf-8 -*- |
a4ff849c | 2 | |
acaf905b | 3 | ;; Copyright (C) 1995, 2001-2012 Free Software Foundation, Inc. |
a4ff849c RS |
4 | |
5 | ;; Author: Rick Farnbach <rick_farnbach@MENTORG.COM> | |
0c0e321f | 6 | ;; Keywords: games |
a4ff849c RS |
7 | |
8 | ;; This file is part of GNU Emacs. | |
9 | ||
b1fc2b50 | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
a4ff849c | 11 | ;; it under the terms of the GNU General Public License as published by |
b1fc2b50 GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
13 | ;; (at your option) any later version. | |
a4ff849c RS |
14 | |
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
b1fc2b50 | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
a4ff849c | 22 | |
0c0e321f DL |
23 | ;;; Commentary: |
24 | ||
507c5deb | 25 | ;; Converts text to Morse code and back with M-x morse-region and |
0c0e321f DL |
26 | ;; M-x unmorse-region (though Morse code is no longer official :-(). |
27 | ||
16130297 AH |
28 | ;; Converts text to NATO phonetic alphabet and back with M-x |
29 | ;; nato-region and M-x denato-region. | |
30 | ||
a4ff849c RS |
31 | ;;; Code: |
32 | ||
33 | (defvar morse-code '(("a" . ".-") | |
34 | ("b" . "-...") | |
35 | ("c" . "-.-.") | |
36 | ("d" . "-..") | |
37 | ("e" . ".") | |
38 | ("f" . "..-.") | |
39 | ("g" . "--.") | |
40 | ("h" . "....") | |
41 | ("i" . "..") | |
42 | ("j" . ".---") | |
43 | ("k" . "-.-") | |
44 | ("l" . ".-..") | |
45 | ("m" . "--") | |
46 | ("n" . "-.") | |
47 | ("o" . "---") | |
48 | ("p" . ".--.") | |
49 | ("q" . "--.-") | |
50 | ("r" . ".-.") | |
51 | ("s" . "...") | |
52 | ("t" . "-") | |
53 | ("u" . "..-") | |
54 | ("v" . "...-") | |
55 | ("w" . ".--") | |
56 | ("x" . "-..-") | |
57 | ("y" . "-.--") | |
58 | ("z" . "--..") | |
59 | ;; Punctuation | |
60 | ("=" . "-...-") | |
61 | ("?" . "..--..") | |
62 | ("/" . "-..-.") | |
63 | ("," . "--..--") | |
64 | ("." . ".-.-.-") | |
65 | (":" . "---...") | |
66 | ("'" . ".----.") | |
67 | ("-" . "-....-") | |
68 | ("(" . "-.--.-") | |
69 | (")" . "-.--.-") | |
70 | ;; Numbers | |
71 | ("0" . "-----") | |
72 | ("1" . ".----") | |
73 | ("2" . "..---") | |
74 | ("3" . "...--") | |
75 | ("4" . "....-") | |
76 | ("5" . ".....") | |
77 | ("6" . "-....") | |
78 | ("7" . "--...") | |
79 | ("8" . "---..") | |
4203c128 SJ |
80 | ("9" . "----.") |
81 | ;; Non-ASCII | |
82 | ("Ä" . ".-.-") | |
34c4c919 | 83 | ("Æ" . ".-.-") |
4203c128 SJ |
84 | ("Á" . ".--.-") |
85 | ("Å" . ".--.-") | |
86 | ;; ligature character?? ("Ch" . "----") | |
87 | ("ß" . ".../...") | |
88 | ("É" . "..-..") | |
89 | ("Ñ" . "--.--") | |
90 | ("Ö" . "---.") | |
34c4c919 | 91 | ("Ø" . "---.") |
507c5deb SJ |
92 | ("Ü" . "..--") |
93 | ;; Recently standardized | |
94 | ("@" . ".--.-.")) | |
a4ff849c RS |
95 | "Morse code character set.") |
96 | ||
16130297 AH |
97 | (defvar nato-alphabet '(("a" . "Alfa") |
98 | ("b" . "Bravo") | |
99 | ("c" . "Charlie") | |
100 | ("d" . "Delta") | |
101 | ("e" . "Echo") | |
102 | ("f" . "Foxtrot") | |
103 | ("g" . "Golf") | |
104 | ("h" . "Hotel") | |
105 | ("i" . "India") | |
106 | ("j" . "Juliett") | |
107 | ("k" . "Kilo") | |
108 | ("l" . "Lima") | |
109 | ("m" . "Mike") | |
110 | ("n" . "November") | |
111 | ("o" . "Oscar") | |
112 | ("p" . "Papa") | |
113 | ("q" . "Quebec") | |
114 | ("r" . "Romeo") | |
115 | ("s" . "Sierra") | |
116 | ("t" . "Tango") | |
117 | ("u" . "Uniform") | |
118 | ("v" . "Victor") | |
119 | ("w" . "Whiskey") | |
120 | ("x" . "Xray") | |
121 | ("y" . "Yankee") | |
122 | ("z" . "Zulu") | |
123 | ;; Numbers | |
124 | ("0" . "Zero") | |
125 | ("1" . "One") | |
126 | ("2" . "Two") | |
127 | ("3" . "Three") | |
128 | ("4" . "Four") | |
129 | ("5" . "Five") | |
130 | ("6" . "Six") | |
131 | ("7" . "Seven") | |
132 | ("8" . "Eight") | |
133 | ("9" . "Niner") | |
134 | ;; Punctuation is not part of standard | |
135 | ("=" . "Equals") | |
136 | ("?" . "Query") | |
137 | ("/" . "Slash") | |
138 | ("," . "Comma") | |
139 | ("." . "Stop") | |
140 | (":" . "Colon") | |
141 | ("'" . "Apostrophe") | |
142 | ("-" . "Dash") | |
143 | ("(" . "Open") | |
144 | (")" . "Close") | |
145 | ("@" . "At")) | |
146 | "NATO phonetic alphabet. | |
147 | See ''International Code of Signals'' (INTERCO), United States | |
148 | Edition, 1969 Edition (Revised 2003) available from National | |
149 | Geospatial-Intelligence Agency at http://www.nga.mil/") | |
150 | ||
0c0e321f | 151 | ;;;###autoload |
a4ff849c RS |
152 | (defun morse-region (beg end) |
153 | "Convert all text in a given region to morse code." | |
f72c1fd6 | 154 | (interactive "*r") |
a4ff849c RS |
155 | (if (integerp end) |
156 | (setq end (copy-marker end))) | |
157 | (save-excursion | |
158 | (let ((sep "") | |
159 | str morse) | |
160 | (goto-char beg) | |
161 | (while (< (point) end) | |
162 | (setq str (downcase (buffer-substring (point) (1+ (point))))) | |
163 | (cond ((looking-at "\\s-+") | |
164 | (goto-char (match-end 0)) | |
165 | (setq sep "")) | |
166 | ((setq morse (assoc str morse-code)) | |
167 | (delete-char 1) | |
168 | (insert sep (cdr morse)) | |
169 | (setq sep "/")) | |
170 | (t | |
171 | (forward-char 1) | |
172 | (setq sep ""))))))) | |
173 | ||
0c0e321f | 174 | ;;;###autoload |
a4ff849c RS |
175 | (defun unmorse-region (beg end) |
176 | "Convert morse coded text in region to ordinary ASCII text." | |
f72c1fd6 | 177 | (interactive "*r") |
a4ff849c RS |
178 | (if (integerp end) |
179 | (setq end (copy-marker end))) | |
180 | (save-excursion | |
181 | (let (str paren morse) | |
182 | (goto-char beg) | |
183 | (while (< (point) end) | |
184 | (if (null (looking-at "[-.]+")) | |
185 | (forward-char 1) | |
186 | (setq str (buffer-substring (match-beginning 0) (match-end 0))) | |
187 | (if (null (setq morse (rassoc str morse-code))) | |
188 | (goto-char (match-end 0)) | |
189 | (replace-match | |
190 | (if (string-equal "(" (car morse)) | |
191 | (if (setq paren (null paren)) "(" ")") | |
192 | (car morse)) t) | |
193 | (if (looking-at "/") | |
194 | (delete-char 1)))))))) | |
195 | ||
16130297 AH |
196 | ;;;###autoload |
197 | (defun nato-region (beg end) | |
198 | "Convert all text in a given region to NATO phonetic alphabet." | |
199 | ;; Copied from morse-region. -- ashawley 2009-02-10 | |
200 | (interactive "*r") | |
201 | (if (integerp end) | |
202 | (setq end (copy-marker end))) | |
203 | (save-excursion | |
204 | (let ((sep "") | |
205 | str nato) | |
206 | (goto-char beg) | |
207 | (while (< (point) end) | |
208 | (setq str (downcase (buffer-substring (point) (1+ (point))))) | |
209 | (cond ((looking-at "\\s-+") | |
210 | (goto-char (match-end 0)) | |
211 | (setq sep "")) | |
212 | ((setq nato (assoc str nato-alphabet)) | |
213 | (delete-char 1) | |
214 | (insert sep (cdr nato)) | |
215 | (setq sep "-")) | |
216 | (t | |
217 | (forward-char 1) | |
218 | (setq sep ""))))))) | |
219 | ||
220 | ;;;###autoload | |
221 | (defun denato-region (beg end) | |
222 | "Convert NATO phonetic alphabet in region to ordinary ASCII text." | |
223 | ;; Copied from unmorse-region. -- ashawley 2009-02-10 | |
224 | (interactive "*r") | |
225 | (if (integerp end) | |
226 | (setq end (copy-marker end))) | |
227 | (save-excursion | |
228 | (let (str paren nato) | |
229 | (goto-char beg) | |
230 | (while (< (point) end) | |
231 | (if (null (looking-at "[a-z]+")) | |
232 | (forward-char 1) | |
233 | (setq str (buffer-substring (match-beginning 0) (match-end 0))) | |
eb237b0f | 234 | (if (null (setq nato (rassoc (capitalize str) nato-alphabet))) |
16130297 AH |
235 | (goto-char (match-end 0)) |
236 | (replace-match | |
237 | (if (string-equal "(" (car nato)) | |
238 | (if (setq paren (null paren)) "(" ")") | |
239 | (car nato)) t) | |
240 | (if (looking-at "-") | |
241 | (delete-char 1)))))))) | |
242 | ||
a4ff849c RS |
243 | (provide 'morse) |
244 | ||
245 | ;;; morse.el ends here |