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1 ;;; char-util.el --- character utility
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2
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3 ;; Copyright (C) 1996,1997 MORIOKA Tomohiko
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4
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5 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
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6 ;; Version: $Id: char-util.el,v 1.1 1997/01/30 02:27:29 steve Exp $
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7 ;; Keywords: character, Emacs/mule
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8
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9 ;; This file is not part of tl (Tiny Library).
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10
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11 ;; This program is free software; you can redistribute it and/or
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12 ;; modify it under the terms of the GNU General Public License as
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13 ;; published by the Free Software Foundation; either version 2, or (at
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14 ;; your option) any later version.
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15
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16 ;; This program is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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24 ;; Boston, MA 02111-1307, USA.
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25
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26 ;;; Code:
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27
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28 (defun row-line-to-char (r l)
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29 (int-char (+ (* r 16) l))
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30 )
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31
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32 (defun row-line-to-string (r l)
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33 (char-to-string (row-line-to-char r l))
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34 )
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35
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36 (defun print-row-line (r l)
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37 (interactive (and (looking-at "\\([0-9]+\\)/\\([0-9]+\\)")
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38 (list (string-to-number
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39 (buffer-substring (match-beginning 1)
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40 (match-end 1)))
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41 (string-to-number
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42 (buffer-substring (match-beginning 2)
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43 (match-end 2)))
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44 )))
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45 (message (row-line-to-string r l))
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46 )
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47
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48 (defun char-to-row-line-form (chr)
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49 (setq chr (char-int chr))
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50 (format "%d/%d" (/ chr 16)(mod chr 16))
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51 )
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52
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53 (defun char-to-byte-list (chr)
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54 (let ((rest (mapcar (function identity)
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55 (char-to-string chr))
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56 ))
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57 (if (cdr rest)
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58 (cons (car rest)
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59 (mapcar (lambda (byte)
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60 (logand byte 127)
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61 )
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62 (cdr rest)))
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63 (cons 'ascii rest)
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64 )))
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65
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66 (defun char-to-row-cell-form (chr)
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67 (let ((cl (char-to-byte-list chr)))
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68 (if (= (length cl) 2)
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69 (char-to-row-line-form (nth 1 cl))
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70 (format "%02d-%02d" (- (nth 1 cl) 32)(- (nth 2 cl) 32))
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71 )))
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72
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73 (defun show-char-info (char)
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74 (interactive (list (char-after (point))))
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75 (let ((cl (char-to-byte-list char)))
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76 (message (format "%s: %s %s"
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77 (charset-description (car cl))
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78 (mapconcat (lambda (byte)
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79 (format "%02x" byte)
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80 )
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81 (cdr cl) "")
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82 (if (= (length cl) 2)
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83 (char-to-row-line-form (nth 1 cl))
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84 (format "%02d-%02d" (- (nth 1 cl) 32)(- (nth 2 cl) 32))
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85 )
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86 ))))
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87
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88
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89 ;;; @ end
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90 ;;;
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91
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92 (provide 'char-util)
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93
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94 ;;; char-util.el ends here
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