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1 ;;;
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2 ;;; $Id: tinyrich.el,v 1.1.1.1 1996/12/18 03:55:31 steve Exp $
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3 ;;;
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4 ;;; by MORIOKA Tomohiko <morioka@jaist.ac.jp>
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5 ;;; modified by YAMATE Keiichirou <ics9118@sem1.info.osaka-cu.ac.jp>
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6 ;;;
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7
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8 (defvar mime-viewer/face-list-for-text/enriched
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9 (cond ((and (>= emacs-major-version 19) window-system)
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10 '(bold italic fixed underline)
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11 )
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12 ((and (boundp 'NEMACS) NEMACS)
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13 '("bold" "italic" "underline")
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14 )))
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15
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16 (defun enriched-decode (beg end)
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17 (interactive "*r")
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18 (save-excursion
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19 (save-restriction
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20 (narrow-to-region beg end)
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21 (goto-char beg)
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22 (while (re-search-forward "[ \t]*\\(\n+\\)[ \t]*" nil t)
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23 (let ((str (buffer-substring (match-beginning 1)
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24 (match-end 1))))
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25 (if (string= str "\n")
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26 (replace-match " ")
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27 (replace-match (substring str 1))
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28 )))
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29 (goto-char beg)
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30 (let (cmd sym str (fb (point)) fe b e)
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31 (while (re-search-forward "<\\(<\\|[^<>\n\r \t]+>\\)" nil t)
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32 (setq b (match-beginning 0))
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33 (setq cmd (buffer-substring b (match-end 0)))
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34 (if (string= cmd "<<")
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35 (replace-match "<")
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36 (replace-match "")
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37 (setq cmd (downcase (substring cmd 1 (- (length cmd) 1))))
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38 )
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39 (setq sym (intern cmd))
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40 (cond ((eq sym 'param)
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41 (setq b (point))
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42 (save-excursion
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43 (save-restriction
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44 (if (search-forward "</param>" nil t)
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45 (progn
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46 (replace-match "")
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47 (setq e (point))
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48 )
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49 (setq e end)
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50 )))
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51 (delete-region b e)
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52 )
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53 ((memq sym mime-viewer/face-list-for-text/enriched)
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54 (setq b (point))
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55 (save-excursion
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56 (save-restriction
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57 (if (re-search-forward (concat "</" cmd ">") nil t)
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58 (progn
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59 (replace-match "")
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60 (setq e (point))
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61 )
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62 (setq e end)
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63 )))
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64 (tm:set-face-region b e sym)
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65 )))
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66 (goto-char (point-max))
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67 (if (not (eq (preceding-char) ?\n))
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68 (insert "\n")
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69 )
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70 ))))
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71
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72
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73 ;;; @ text/richtext <-> text/enriched converter
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74 ;;;
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75
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76 (defun richtext-to-enriched-region (beg end)
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77 "Convert the region of text/richtext style to text/enriched style."
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78 (save-excursion
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79 (save-restriction
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80 (narrow-to-region beg end)
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81 (goto-char (point-min))
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82 (let (b e i)
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83 (while (re-search-forward "[ \t]*<comment>" nil t)
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84 (setq b (match-beginning 0))
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85 (delete-region b
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86 (if (re-search-forward "</comment>[ \t]*" nil t)
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87 (match-end 0)
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88 (point-max)
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89 ))
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90 )
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91 (goto-char (point-min))
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92 (while (re-search-forward "\n\n+" nil t)
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93 (replace-match "\n")
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94 )
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95 (goto-char (point-min))
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96 (while (re-search-forward "[ \t\n]*<nl>[ \t\n]*" nil t)
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97 (setq b (match-beginning 0))
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98 (setq e (match-end 0))
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99 (setq i 1)
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100 (while (looking-at "[ \t\n]*<nl>[ \t\n]*")
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101 (setq e (match-end 0))
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102 (setq i (1+ i))
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103 (goto-char e)
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104 )
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105 (delete-region b e)
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106 (while (>= i 0)
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107 (insert "\n")
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108 (setq i (1- i))
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109 ))
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110 (goto-char (point-min))
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111 (while (search-forward "<lt>" nil t)
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112 (replace-match "<<")
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113 )
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114 ))))
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115
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116 (defun enriched-to-richtext-region (beg end)
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117 "Convert the region of text/enriched style to text/richtext style."
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118 (save-excursion
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119 (save-restriction
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120 (goto-char beg)
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121 (and (search-forward "text/enriched")
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122 (replace-match "text/richtext"))
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123 (search-forward "\n\n")
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124 (narrow-to-region (match-end 0) end)
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125 (let (str n)
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126 (goto-char (point-min))
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127 (while (re-search-forward "\n\n+" nil t)
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128 (setq str (buffer-substring (match-beginning 0)
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129 (match-end 0)))
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130 (setq n (1- (length str)))
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131 (setq str "")
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132 (while (> n 0)
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133 (setq str (concat str "<nl>\n"))
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134 (setq n (1- n))
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135 )
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136 (replace-match str)
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137 )
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138 (goto-char (point-min))
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139 (while (search-forward "<<" nil t)
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140 (replace-match "<lt>")
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141 )
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142 ))))
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143
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144
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145 ;;; @ encoder and decoder
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146 ;;;
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147
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148 (defun richtext-decode (beg end)
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149 (save-restriction
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150 (narrow-to-region beg end)
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151 (richtext-to-enriched-region beg (point-max))
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152 (enriched-decode beg (point-max))
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153 ))
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154
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155 ;; (defun richtext-encode (beg end)
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156 ;; (save-restriction
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157 ;; (narrow-to-region beg end)
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158 ;; (enriched-encode beg (point-max))
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159 ;; (enriched-to-richtext-region beg (point-max))
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160 ;; ))
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161
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162
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163 ;;; @ end
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164 ;;;
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165
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166 (provide 'tinyrich)
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