blob: d55e0a4c9f6159f78fde720d17b85631e6b2bb76 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
;;; morse.el --- convert text to morse code and back
;; Copyright (C) 1995, 2001-2017 Free Software Foundation, Inc.
;; Author: Rick Farnbach <rick_farnbach@MENTORG.COM>
;; Keywords: games
;; This file is part of GNU Emacs.
;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Converts text to Morse code and back with M-x morse-region and
;; M-x unmorse-region (though Morse code is no longer official :-().
;; Converts text to NATO phonetic alphabet and back with M-x
;; nato-region and M-x denato-region.
;;; Code:
(defvar morse-code '(("a" . ".-")
("b" . "-...")
("c" . "-.-.")
("d" . "-..")
("e" . ".")
("f" . "..-.")
("g" . "--.")
("h" . "....")
("i" . "..")
("j" . ".---")
("k" . "-.-")
("l" . ".-..")
("m" . "--")
("n" . "-.")
("o" . "---")
("p" . ".--.")
("q" . "--.-")
("r" . ".-.")
("s" . "...")
("t" . "-")
("u" . "..-")
("v" . "...-")
("w" . ".--")
("x" . "-..-")
("y" . "-.--")
("z" . "--..")
;; Punctuation
("=" . "-...-")
("?" . "..--..")
("/" . "-..-.")
("," . "--..--")
("." . ".-.-.-")
(":" . "---...")
("'" . ".----.")
("-" . "-....-")
("(" . "-.--.-")
(")" . "-.--.-")
;; Numbers
("0" . "-----")
("1" . ".----")
("2" . "..---")
("3" . "...--")
("4" . "....-")
("5" . ".....")
("6" . "-....")
("7" . "--...")
("8" . "---..")
("9" . "----.")
;; Non-ASCII
("Ä" . ".-.-")
("Æ" . ".-.-")
("Á" . ".--.-")
("Å" . ".--.-")
;; ligature character?? ("Ch" . "----")
("ß" . ".../...")
("É" . "..-..")
("Ñ" . "--.--")
("Ö" . "---.")
("Ø" . "---.")
("Ü" . "..--")
;; Recently standardized
("@" . ".--.-."))
"Morse code character set.")
(defvar nato-alphabet '(("a" . "Alfa")
("b" . "Bravo")
("c" . "Charlie")
("d" . "Delta")
("e" . "Echo")
("f" . "Foxtrot")
("g" . "Golf")
("h" . "Hotel")
("i" . "India")
("j" . "Juliett")
("k" . "Kilo")
("l" . "Lima")
("m" . "Mike")
("n" . "November")
("o" . "Oscar")
("p" . "Papa")
("q" . "Quebec")
("r" . "Romeo")
("s" . "Sierra")
("t" . "Tango")
("u" . "Uniform")
("v" . "Victor")
("w" . "Whiskey")
("x" . "Xray")
("y" . "Yankee")
("z" . "Zulu")
;; Numbers
("0" . "Zero")
("1" . "One")
("2" . "Two")
("3" . "Three")
("4" . "Four")
("5" . "Five")
("6" . "Six")
("7" . "Seven")
("8" . "Eight")
("9" . "Niner")
;; Punctuation is not part of standard
("=" . "Equals")
("?" . "Query")
("/" . "Slash")
("," . "Comma")
("." . "Stop")
(":" . "Colon")
("'" . "Apostrophe")
("-" . "Dash")
("(" . "Open")
(")" . "Close")
("@" . "At"))
"NATO phonetic alphabet.
See “International Code of Signals” (INTERCO), United States
Edition, 1969 Edition (Revised 2003) available from National
Geospatial-Intelligence Agency at URL `http://www.nga.mil/'")
;;;###autoload
(defun morse-region (beg end)
"Convert all text in a given region to morse code."
(interactive "*r")
(if (integerp end)
(setq end (copy-marker end)))
(save-excursion
(let ((sep "")
str morse)
(goto-char beg)
(while (< (point) end)
(setq str (downcase (buffer-substring (point) (1+ (point)))))
(cond ((looking-at "\\s-+")
(goto-char (match-end 0))
(setq sep ""))
((setq morse (assoc str morse-code))
(delete-char 1)
(insert sep (cdr morse))
(setq sep "/"))
(t
(forward-char 1)
(setq sep "")))))))
;;;###autoload
(defun unmorse-region (beg end)
"Convert morse coded text in region to ordinary ASCII text."
(interactive "*r")
(if (integerp end)
(setq end (copy-marker end)))
(save-excursion
(let (str paren morse)
(goto-char beg)
(while (< (point) end)
(if (null (looking-at "[-.]+"))
(forward-char 1)
(setq str (buffer-substring (match-beginning 0) (match-end 0)))
(if (null (setq morse (rassoc str morse-code)))
(goto-char (match-end 0))
(replace-match
(if (string-equal "(" (car morse))
(if (setq paren (null paren)) "(" ")")
(car morse)) t)
(if (looking-at "/")
(delete-char 1))))))))
;;;###autoload
(defun nato-region (beg end)
"Convert all text in a given region to NATO phonetic alphabet."
;; Copied from morse-region. -- ashawley 2009-02-10
(interactive "*r")
(if (integerp end)
(setq end (copy-marker end)))
(save-excursion
(let ((sep "")
str nato)
(goto-char beg)
(while (< (point) end)
(setq str (downcase (buffer-substring (point) (1+ (point)))))
(cond ((looking-at "\\s-+")
(goto-char (match-end 0))
(setq sep ""))
((setq nato (assoc str nato-alphabet))
(delete-char 1)
(insert sep (cdr nato))
(setq sep "-"))
(t
(forward-char 1)
(setq sep "")))))))
;;;###autoload
(defun denato-region (beg end)
"Convert NATO phonetic alphabet in region to ordinary ASCII text."
;; Copied from unmorse-region. -- ashawley 2009-02-10
(interactive "*r")
(if (integerp end)
(setq end (copy-marker end)))
(save-excursion
(let (str paren nato)
(goto-char beg)
(while (< (point) end)
(if (null (looking-at "[a-z]+"))
(forward-char 1)
(setq str (buffer-substring (match-beginning 0) (match-end 0)))
(if (null (setq nato (rassoc (capitalize str) nato-alphabet)))
(goto-char (match-end 0))
(replace-match
(if (string-equal "(" (car nato))
(if (setq paren (null paren)) "(" ")")
(car nato)) t)
(if (looking-at "-")
(delete-char 1))))))))
(provide 'morse)
;;; morse.el ends here
|
