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1 ;;; Miscellaneous functions for VM
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2 ;;; Copyright (C) 1989-1997 Kyle E. Jones
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3 ;;;
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4 ;;; This program is free software; you can redistribute it and/or modify
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5 ;;; it under the terms of the GNU General Public License as published by
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6 ;;; the Free Software Foundation; either version 1, or (at your option)
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7 ;;; any later version.
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8 ;;;
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9 ;;; This program is distributed in the hope that it will be useful,
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10 ;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 ;;; GNU General Public License for more details.
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13 ;;;
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14 ;;; You should have received a copy of the GNU General Public License
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15 ;;; along with this program; if not, write to the Free Software
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16 ;;; Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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17
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18 (provide 'vm-misc)
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19
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20 (defun vm-delete-non-matching-strings (regexp list &optional destructively)
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21 "Delete strings matching REGEXP from LIST.
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22 Optional third arg non-nil means to destructively alter LIST, instead of
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23 working on a copy.
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24
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25 The new version of the list, minus the deleted strings, is returned."
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26 (or destructively (setq list (copy-sequence list)))
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27 (let ((curr list) (prev nil))
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28 (while curr
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29 (if (string-match regexp (car curr))
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30 (setq prev curr
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31 curr (cdr curr))
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32 (if (null prev)
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33 (setq list (cdr list)
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34 curr list)
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35 (setcdr prev (cdr curr))
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36 (setq curr (cdr curr)))))
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37 list ))
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38
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39 (defun vm-parse (string regexp &optional matchn)
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40 (or matchn (setq matchn 1))
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41 (let (list)
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42 (store-match-data nil)
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43 (while (string-match regexp string (match-end 0))
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44 (setq list (cons (substring string (match-beginning matchn)
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45 (match-end matchn)) list)))
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46 (nreverse list)))
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47
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48 (defun vm-parse-addresses (string)
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49 (if (null string)
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50 ()
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51 (let (work-buffer)
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52 (save-excursion
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53 (unwind-protect
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54 (let (list start s char)
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55 (setq work-buffer (generate-new-buffer "*vm-work*"))
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56 (set-buffer work-buffer)
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57 (insert string)
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58 (goto-char (point-min))
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59 (skip-chars-forward "\t\f\n\r ")
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60 (setq start (point))
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61 (while (not (eobp))
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62 (skip-chars-forward "^\"\\,(")
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63 (setq char (following-char))
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64 (cond ((= char ?\\)
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65 (forward-char 1)
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66 (if (not (eobp))
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67 (forward-char 1)))
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68 ((= char ?,)
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69 (setq s (buffer-substring start (point)))
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70 (if (or (null (string-match "^[\t\f\n\r ]+$" s))
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71 (not (string= s "")))
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72 (setq list (cons s list)))
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73 (skip-chars-forward ",\t\f\n\r ")
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74 (setq start (point)))
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75 ((= char ?\")
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76 (re-search-forward "[^\\]\"" nil 0))
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77 ((= char ?\()
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78 (let ((parens 1))
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79 (forward-char 1)
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80 (while (and (not (eobp)) (not (zerop parens)))
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81 (re-search-forward "[()]" nil 0)
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82 (cond ((or (eobp)
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83 (= (char-after (- (point) 2)) ?\\)))
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84 ((= (preceding-char) ?\()
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85 (setq parens (1+ parens)))
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86 (t
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87 (setq parens (1- parens)))))))))
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88 (setq s (buffer-substring start (point)))
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89 (if (and (null (string-match "^[\t\f\n\r ]+$" s))
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90 (not (string= s "")))
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91 (setq list (cons s list)))
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92 (nreverse list)) ; jwz: fixed order
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93 (and work-buffer (kill-buffer work-buffer)))))))
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94
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95 (defun vm-write-string (where string)
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96 (if (bufferp where)
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97 (vm-save-buffer-excursion
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98 (set-buffer where)
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99 (goto-char (point-max))
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100 (insert string))
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101 (let ((temp-buffer nil))
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102 (unwind-protect
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103 (save-excursion
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104 (setq temp-buffer (generate-new-buffer "*vm-work*"))
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105 (set-buffer temp-buffer)
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106 (insert string)
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107 ;; correct for VM's uses of this function---
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108 ;; writing out message separators
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109 (setq buffer-file-type nil)
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110 ;; Tell XEmacs/MULE to pick the correct newline conversion.
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111 (and (vm-xemacs-mule-p)
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112 (set-file-coding-system 'no-conversion nil))
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113 (write-region (point-min) (point-max) where t 'quiet))
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114 (and temp-buffer (kill-buffer temp-buffer))))))
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115
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116 (defmacro vm-marker (pos &optional buffer)
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117 (list 'set-marker '(make-marker) pos buffer))
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118
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119 (defmacro vm-increment (variable)
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120 (list 'setq variable (list '1+ variable)))
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121
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122 (defmacro vm-decrement (variable)
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123 (list 'setq variable (list '1- variable)))
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124
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125 (defmacro vm-select-folder-buffer ()
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126 '(and vm-mail-buffer
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127 (or (buffer-name vm-mail-buffer)
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128 (error "Folder buffer has been killed."))
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129 (set-buffer vm-mail-buffer)))
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130
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131 (defun vm-check-for-killed-summary ()
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132 (and (bufferp vm-summary-buffer) (null (buffer-name vm-summary-buffer))
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133 (let ((mp vm-message-list))
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134 (setq vm-summary-buffer nil)
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135 (while mp
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136 (vm-set-su-start-of (car mp) nil)
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137 (vm-set-su-end-of (car mp) nil)
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138 (setq mp (cdr mp))))))
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139
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140 (defun vm-check-for-killed-presentation ()
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141 (and (bufferp vm-presentation-buffer-handle)
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142 (null (buffer-name vm-presentation-buffer-handle))
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143 (progn
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144 (setq vm-presentation-buffer-handle nil
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145 vm-presentation-buffer nil))))
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146
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147 (defun vm-check-for-killed-folder ()
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148 (and (bufferp vm-mail-buffer) (null (buffer-name vm-mail-buffer))
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149 (setq vm-mail-buffer nil)))
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150
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151 (defmacro vm-error-if-folder-read-only ()
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152 '(while vm-folder-read-only
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153 (signal 'folder-read-only (list (current-buffer)))))
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154
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155 (put 'folder-read-only 'error-conditions '(folder-read-only error))
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156 (put 'folder-read-only 'error-message "Folder is read-only")
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157
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158 (defmacro vm-error-if-virtual-folder ()
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159 '(and (eq major-mode 'vm-virtual-mode)
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160 (error "%s cannot be applied to virtual folders." this-command)))
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161
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162 (defmacro vm-build-threads-if-unbuilt ()
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163 '(if (null vm-thread-obarray)
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164 (vm-build-threads nil)))
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165
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166 (defun vm-abs (n) (if (< n 0) (- n) n))
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167
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168 ;; save-restriction flubs restoring the clipping region if you
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169 ;; (widen) and modify text outside the old region.
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170 ;; This should do it right.
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171 (defmacro vm-save-restriction (&rest forms)
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172 (let ((vm-sr-clip (make-symbol "vm-sr-clip"))
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173 (vm-sr-min (make-symbol "vm-sr-min"))
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174 (vm-sr-max (make-symbol "vm-sr-max")))
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175 (list 'let (list (list vm-sr-clip '(> (buffer-size)
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176 (- (point-max) (point-min))))
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177 ;; this shouldn't be necessary but the
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178 ;; byte-compiler turns these into interned symbols
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179 ;; which utterly defeats the purpose of the
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180 ;; make-symbol calls above. Soooo, until the compiler
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181 ;; is fixed, these must be made into (let ...)
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182 ;; temporaries so that nested calls to this macros
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183 ;; won't misbehave.
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184 vm-sr-min vm-sr-max)
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185 (list 'and vm-sr-clip
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186 (list 'setq vm-sr-min '(set-marker (make-marker) (point-min)))
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187 (list 'setq vm-sr-max '(set-marker (make-marker) (point-max))))
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188 (list 'unwind-protect (cons 'progn forms)
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189 '(widen)
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190 (list 'and vm-sr-clip
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191 (list 'progn
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192 (list 'narrow-to-region vm-sr-min vm-sr-max)
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193 (list 'set-marker vm-sr-min nil)
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194 (list 'set-marker vm-sr-max nil)))))))
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195
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196 (defmacro vm-save-buffer-excursion (&rest forms)
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197 (list 'let '((vm-sbe-buffer (current-buffer)))
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198 (list 'unwind-protect
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199 (cons 'progn forms)
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200 '(and (not (eq vm-sbe-buffer (current-buffer)))
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201 (buffer-name vm-sbe-buffer)
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202 (set-buffer vm-sbe-buffer)))))
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203
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204 (defun vm-last (list) (while (cdr-safe list) (setq list (cdr list))) list)
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205
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206 (defun vm-vector-to-list (vector)
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207 (let ((i (1- (length vector)))
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208 list)
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209 (while (>= i 0)
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210 (setq list (cons (aref vector i) list))
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211 (vm-decrement i))
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212 list ))
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213
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214 (defun vm-extend-vector (vector length &optional fill)
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215 (let ((vlength (length vector)))
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216 (if (< vlength length)
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217 (apply 'vector (nconc (vm-vector-to-list vector)
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218 (make-list (- length vlength) fill)))
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219 vector )))
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220
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221 (defun vm-obarray-to-string-list (blobarray)
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222 (let ((list nil))
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223 (mapatoms (function (lambda (s) (setq list (cons (symbol-name s) list))))
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224 blobarray)
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225 list ))
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226
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227 (defun vm-mapcar (function &rest lists)
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228 (let (arglist result)
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229 (while (car lists)
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230 (setq arglist (mapcar 'car lists))
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231 (setq result (cons (apply function arglist) result))
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232 (setq lists (mapcar 'cdr lists)))
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233 (nreverse result)))
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234
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235 (defun vm-mapc (function &rest lists)
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236 (let (arglist)
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237 (while (car lists)
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238 (setq arglist (mapcar 'car lists))
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239 (apply function arglist)
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240 (setq lists (mapcar 'cdr lists)))))
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241
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242 (defun vm-delete (predicate list &optional reverse)
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243 (let ((p list) (reverse (if reverse 'not 'identity)) prev)
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244 (while p
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245 (if (funcall reverse (funcall predicate (car p)))
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246 (if (null prev)
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247 (setq list (cdr list) p list)
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248 (setcdr prev (cdr p))
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249 (setq p (cdr p)))
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250 (setq prev p p (cdr p))))
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251 list ))
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252
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253 (defun vm-delete-directory-file-names (list)
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254 (vm-delete 'file-directory-p list))
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255
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256 (defun vm-delete-backup-file-names (list)
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257 (vm-delete 'backup-file-name-p list))
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258
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259 (defun vm-delete-auto-save-file-names (list)
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260 (vm-delete 'auto-save-file-name-p list))
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261
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262 (defun vm-delete-duplicates (list &optional all hack-addresses)
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263 "Delete duplicate equivalent strings from the list.
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264 If ALL is t, then if there is more than one occurrence of a string in the list,
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265 then all occurrences of it are removed instead of just the subsequent ones.
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266 If HACK-ADDRESSES is t, then the strings are considered to be mail addresses,
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267 and only the address part is compared (so that \"Name <foo>\" and \"foo\"
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268 would be considered to be equivalent.)"
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269 (let ((hashtable vm-delete-duplicates-obarray)
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270 (new-list nil)
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271 sym-string sym)
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272 (fillarray hashtable 0)
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273 (while list
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274 (setq sym-string
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275 (if hack-addresses
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276 (nth 1 (funcall vm-chop-full-name-function (car list)))
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277 (car list))
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278 sym-string (or sym-string "-unparseable-garbage-")
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279 sym (intern sym-string hashtable))
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280 (if (boundp sym)
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281 (and all (setcar (symbol-value sym) nil))
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282 (setq new-list (cons (car list) new-list))
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283 (set sym new-list))
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284 (setq list (cdr list)))
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285 (delq nil (nreverse new-list))))
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286
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287 (defun vm-member-0 (thing list)
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288 (catch 'done
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289 (while list
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290 (and (equal (car list) thing)
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291 (throw 'done list))
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292 (setq list (cdr list)))
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293 nil ))
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294
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295 (fset 'vm-member (symbol-function (if (fboundp 'member) 'member 'vm-member-0)))
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296
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297 (defun vm-delqual (ob list)
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298 (let ((prev nil)
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299 (curr list))
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300 (while curr
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301 (if (not (equal ob (car curr)))
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302 (setq prev curr
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303 curr (cdr curr))
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304 (if (null prev)
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305 (setq list (cdr list)
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306 curr list)
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307 (setq curr (cdr curr))
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308 (setcdr prev curr))))
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309 list ))
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310
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311 (defun vm-copy-local-variables (buffer &rest variables)
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312 (let ((values (mapcar 'symbol-value variables)))
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313 (save-excursion
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314 (set-buffer buffer)
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315 (vm-mapc 'set variables values))))
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316
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317 (put 'folder-empty 'error-conditions '(folder-empty error))
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318 (put 'folder-empty 'error-message "Folder is empty")
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319 (put 'unrecognized-folder-type 'error-conditions
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320 '(unrecognized-folder-type error))
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321 (put 'unrecognized-folder-type 'error-message "Unrecognized folder type")
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322
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323 (defun vm-error-if-folder-empty ()
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324 (while (null vm-message-list)
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325 (if vm-folder-type
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326 (signal 'unrecognized-folder-type nil)
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327 (signal 'folder-empty nil))))
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328
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329 (defun vm-copy (object)
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330 (cond ((consp object)
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331 (let (return-value cons)
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332 (setq return-value (cons (vm-copy (car object)) nil)
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333 cons return-value
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334 object (cdr object))
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335 (while (consp object)
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336 (setcdr cons (cons (vm-copy (car object)) nil))
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337 (setq cons (cdr cons)
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338 object (cdr object)))
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339 (setcdr cons object)
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340 return-value ))
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341 ((vectorp object) (apply 'vector (mapcar 'vm-copy object)))
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342 ((stringp object) (copy-sequence object))
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343 ((markerp object) (copy-marker object))
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344 (t object)))
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345
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346 (defun vm-xemacs-p ()
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347 (let ((case-fold-search nil))
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348 (string-match "XEmacs" emacs-version)))
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349
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350 (defun vm-xemacs-mule-p ()
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351 (and (vm-xemacs-p)
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352 (featurep 'mule)
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353 (fboundp 'set-file-coding-system)
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26
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354 (fboundp 'get-coding-system)))
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355
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356 (defun vm-fsfemacs-19-p ()
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357 (and (string-match "^19" emacs-version)
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358 (not (string-match "XEmacs\\|Lucid" emacs-version))))
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359
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360 ;; make-frame might be defined and still not work. This would
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361 ;; be true since the user could be running on a tty and using
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362 ;; XEmacs 19.12, or using FSF Emacs 19.28 (or prior FSF Emacs versions).
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363 ;;
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364 ;; make-frame works on ttys in FSF Emacs 19.29, but other than
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365 ;; looking at the version number I don't know a sane way to
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366 ;; test for it without just running make-frame. I'll just
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367 ;; let it not work for now... someone will complain eventually
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368 ;; and I'll think of something.
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369 (defun vm-multiple-frames-possible-p ()
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370 (or (and (boundp 'window-system) (not (eq window-system nil)))
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371 (and (fboundp 'device-type) (eq (device-type) 'x))))
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372
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373 (defun vm-mouse-support-possible-p ()
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374 (vm-multiple-frames-possible-p))
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375
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376 (defun vm-menu-support-possible-p ()
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10
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377 (or (and (boundp 'window-system)
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378 (or (eq window-system 'x)
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36
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379 (eq window-system 'ns) ;; NextStep
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10
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380 (eq window-system 'win32)))
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0
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381 (and (fboundp 'device-type) (eq (device-type) 'x))))
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382
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383 (defun vm-toolbar-support-possible-p ()
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384 (and (vm-xemacs-p)
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385 (vm-multiple-frames-possible-p)
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386 (featurep 'toolbar)))
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387
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24
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388 (defun vm-multiple-fonts-possible-p ()
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389 (or (eq window-system 'x)
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390 (and (fboundp 'device-type)
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391 (eq (device-type) 'x))))
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392
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0
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393 (defun vm-run-message-hook (message &optional hook-variable)
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394 (save-excursion
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395 (set-buffer (vm-buffer-of message))
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396 (vm-save-restriction
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397 (widen)
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398 (save-excursion
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399 (narrow-to-region (vm-headers-of message) (vm-text-end-of message))
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400 (run-hooks hook-variable)))))
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401
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402 (defun vm-error-free-call (function &rest args)
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403 (condition-case nil
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404 (apply function args)
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405 (error nil)))
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406
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10
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407 (put 'beginning-of-folder 'error-conditions '(beginning-of-folder error))
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408 (put 'beginning-of-folder 'error-message "Beginning of folder")
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409 (put 'end-of-folder 'error-conditions '(end-of-folder error))
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410 (put 'end-of-folder 'error-message "End of folder")
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0
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411
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412 (defun vm-trace (&rest args)
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413 (save-excursion
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414 (set-buffer (get-buffer-create "*vm-trace*"))
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415 (apply 'insert args)))
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416
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417 (defun vm-timezone-make-date-sortable (string)
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418 (or (cdr (assq string vm-sortable-date-alist))
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419 (let ((vect (vm-parse-date string))
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420 (date (vm-parse (current-time-string) " *\\([^ ]+\\)")))
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421 ;; if specified date is incomplete fill in the holes
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422 ;; with useful information, defaulting to the current
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423 ;; date and timezone for everything except hh:mm:ss which
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424 ;; defaults to midnight.
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425 (if (equal (aref vect 1) "")
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426 (aset vect 1 (nth 2 date)))
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427 (if (equal (aref vect 2) "")
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428 (aset vect 2 (nth 1 date)))
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429 (if (equal (aref vect 3) "")
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430 (aset vect 3 (nth 4 date)))
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431 (if (equal (aref vect 4) "")
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432 (aset vect 4 "00:00:00"))
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433 (if (equal (aref vect 5) "")
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434 (aset vect 5 (vm-current-time-zone)))
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435 ;; save this work so we won't have to do it again
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|
|
436 (setq vm-sortable-date-alist
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|
|
437 (cons (cons string
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|
|
438 (timezone-make-date-sortable
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|
|
439 (format "%s %s %s %s %s"
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440 (aref vect 1)
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|
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441 (aref vect 2)
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|
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442 (aref vect 3)
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443 (aref vect 4)
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|
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444 (aref vect 5))))
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|
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445 vm-sortable-date-alist))
|
|
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446 ;; return result
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|
|
447 (cdr (car vm-sortable-date-alist)))))
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|
|
448
|
|
|
449 (defun vm-current-time-zone ()
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|
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450 (or (condition-case nil
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|
|
451 (let* ((zone (car (current-time-zone)))
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|
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452 (absmin (/ (vm-abs zone) 60)))
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|
|
453 (format "%c%02d%02d" (if (< zone 0) ?- ?+)
|
|
|
454 (/ absmin 60) (% absmin 60)))
|
|
|
455 (error nil))
|
|
|
456 (let ((temp-buffer nil))
|
|
|
457 (condition-case nil
|
|
|
458 (unwind-protect
|
|
|
459 (save-excursion
|
|
|
460 (setq temp-buffer (generate-new-buffer "*vm-work*"))
|
|
|
461 (set-buffer temp-buffer)
|
|
|
462 (call-process "date" nil temp-buffer nil)
|
|
|
463 (nth 4 (vm-parse (vm-buffer-string-no-properties)
|
|
|
464 " *\\([^ ]+\\)")))
|
|
|
465 (and temp-buffer (kill-buffer temp-buffer)))
|
|
|
466 (error nil)))
|
|
|
467 ""))
|
|
|
468
|
|
|
469 (defun vm-should-generate-summary ()
|
|
|
470 (cond ((eq vm-startup-with-summary t) t)
|
|
|
471 ((integerp vm-startup-with-summary)
|
|
|
472 (let ((n vm-startup-with-summary))
|
|
|
473 (cond ((< n 0) (null (nth (vm-abs n) vm-message-list)))
|
|
|
474 (t (nth (1- n) vm-message-list)))))
|
|
|
475 (vm-startup-with-summary t)
|
|
|
476 (t nil)))
|
|
|
477
|
|
|
478 (defun vm-find-composition-buffer (&optional not-picky)
|
|
|
479 (let ((b-list (buffer-list)) choice alternate)
|
|
|
480 (save-excursion
|
|
|
481 (while b-list
|
|
|
482 (set-buffer (car b-list))
|
|
|
483 (if (eq major-mode 'mail-mode)
|
|
|
484 (if (buffer-modified-p)
|
|
|
485 (setq choice (current-buffer)
|
|
|
486 b-list nil)
|
|
|
487 (and not-picky (null alternate)
|
|
|
488 (setq alternate (current-buffer)))
|
|
|
489 (setq b-list (cdr b-list)))
|
|
|
490 (setq b-list (cdr b-list))))
|
|
|
491 (or choice alternate))))
|
|
|
492
|
|
|
493 (defun vm-get-file-buffer (file)
|
|
|
494 "Like get-file-buffer, but also checks buffers against FILE's truename"
|
|
|
495 (or (get-file-buffer file)
|
|
|
496 (and (fboundp 'file-truename)
|
|
|
497 (get-file-buffer (file-truename file)))))
|
|
|
498
|
|
|
499 (defun vm-set-region-face (start end face)
|
|
|
500 (cond ((fboundp 'make-overlay)
|
|
|
501 (let ((o (make-overlay start end)))
|
|
|
502 (overlay-put o 'face face)))
|
|
|
503 ((fboundp 'make-extent)
|
|
|
504 (let ((o (make-extent start end)))
|
|
|
505 (set-extent-property o 'face face)))))
|
|
|
506
|
|
|
507 (defun vm-default-buffer-substring-no-properties (beg end &optional buffer)
|
|
|
508 (let ((s (if buffer
|
|
|
509 (save-excursion
|
|
|
510 (set-buffer buffer)
|
|
|
511 (buffer-substring beg end))
|
|
|
512 (buffer-substring beg end))))
|
|
|
513 (set-text-properties 0 (length s) nil s)
|
|
|
514 (copy-sequence s)))
|
|
|
515
|
|
|
516 (fset 'vm-buffer-substring-no-properties
|
|
|
517 (cond ((fboundp 'buffer-substring-no-properties)
|
|
|
518 (function buffer-substring-no-properties))
|
|
|
519 ((vm-xemacs-p)
|
|
|
520 (function buffer-substring))
|
|
|
521 (t (function vm-default-buffer-substring-no-properties))))
|
|
|
522
|
|
|
523 (defun vm-buffer-string-no-properties ()
|
|
|
524 (vm-buffer-substring-no-properties (point-min) (point-max)))
|
|
20
|
525
|
|
|
526 (defun vm-insert-region-from-buffer (buffer &optional start end)
|
|
|
527 (let ((target-buffer (current-buffer)))
|
|
|
528 (set-buffer buffer)
|
|
|
529 (save-restriction
|
|
|
530 (widen)
|
|
|
531 (or start (setq start (point-min)))
|
|
|
532 (or end (setq end (point-max)))
|
|
|
533 (set-buffer target-buffer)
|
|
|
534 (insert-buffer-substring buffer start end)
|
|
|
535 (set-buffer buffer))
|
|
|
536 (set-buffer target-buffer)))
|
|
|
537
|
|
|
538 (if (fboundp 'overlay-get)
|
|
|
539 (fset 'vm-extent-property 'overlay-get)
|
|
|
540 (fset 'vm-extent-property 'extent-property))
|
|
|
541
|
|
|
542 (if (fboundp 'overlay-put)
|
|
|
543 (fset 'vm-set-extent-property 'overlay-put)
|
|
|
544 (fset 'vm-set-extent-property 'set-extent-property))
|
|
|
545
|
|
30
|
546 (if (fboundp 'move-overlay)
|
|
|
547 (fset 'vm-set-extent-endpoints 'move-overlay)
|
|
|
548 (fset 'vm-set-extent-endpoints 'set-extent-endpoints))
|
|
|
549
|
|
20
|
550 (if (fboundp 'make-overlay)
|
|
|
551 (fset 'vm-make-extent 'make-overlay)
|
|
|
552 (fset 'vm-make-extent 'make-extent))
|
|
|
553
|
|
|
554 (if (fboundp 'overlay-end)
|
|
|
555 (fset 'vm-extent-end-position 'overlay-end)
|
|
|
556 (fset 'vm-extent-end-position 'extent-end-position))
|
|
|
557
|
|
|
558 (if (fboundp 'overlay-start)
|
|
|
559 (fset 'vm-extent-start-position 'overlay-start)
|
|
|
560 (fset 'vm-extent-start-position 'extent-start-position))
|
|
|
561
|
|
|
562 (if (fboundp 'delete-overlay)
|
|
|
563 (fset 'vm-detach-extent 'delete-overlay)
|
|
|
564 (fset 'vm-detach-extent 'detach-extent))
|
|
|
565
|
|
|
566 (if (fboundp 'overlay-properties)
|
|
|
567 (fset 'vm-extent-properties 'overlay-properties)
|
|
|
568 (fset 'vm-extent-properties 'extent-properties))
|
|
|
569
|
|
|
570 (defun vm-copy-extent (e)
|
|
|
571 (let ((props (vm-extent-properties e))
|
|
|
572 (ee (vm-make-extent (vm-extent-start-position e)
|
|
|
573 (vm-extent-end-position e))))
|
|
|
574 (while props
|
|
|
575 (vm-set-extent-property ee (car props) (car (cdr props)))
|
|
24
|
576 (setq props (cdr (cdr props))))))
|
|
20
|
577
|
|
|
578 (defun vm-make-tempfile-name ()
|
|
|
579 (let ((done nil) (pid (emacs-pid)) filename)
|
|
|
580 (while (not done)
|
|
|
581 (setq filename (format "%s/vm%d.%d" vm-temp-file-directory pid
|
|
|
582 vm-tempfile-counter)
|
|
|
583 vm-tempfile-counter (1+ vm-tempfile-counter)
|
|
|
584 done (not (file-exists-p filename))))
|
|
|
585 filename ))
|
|
|
586
|
|
|
587 (defun vm-insert-char (char &optional count ignored buffer)
|
|
|
588 (condition-case nil
|
|
|
589 (progn
|
|
|
590 (insert-char char count ignored buffer)
|
|
|
591 (fset 'vm-insert-char 'insert-char))
|
|
|
592 (wrong-number-of-arguments
|
|
|
593 (fset 'vm-insert-char 'vm-xemacs-compatible-insert-char)
|
|
|
594 (vm-insert-char char count ignored buffer))))
|
|
|
595
|
|
|
596 (defun vm-xemacs-compatible-insert-char (char &optional count ignored buffer)
|
|
|
597 (if (and buffer (eq buffer (current-buffer)))
|
|
|
598 (insert-char char count)
|
|
|
599 (save-excursion
|
|
|
600 (set-buffer buffer)
|
|
|
601 (insert-char char count))))
|
|
|
602
|
|
|
603 (defun vm-symbol-lists-intersect-p (list1 list2)
|
|
|
604 (catch 'done
|
|
|
605 (while list1
|
|
|
606 (and (memq (car list1) list2)
|
|
|
607 (throw 'done t))
|
|
|
608 (setq list1 (cdr list1)))
|
|
|
609 nil ))
|
|
|
610
|
|
|
611 (defun vm-set-buffer-variable (buffer var value)
|
|
|
612 (save-excursion
|
|
|
613 (set-buffer buffer)
|
|
|
614 (set var value)))
|
|
|
615
|
|
24
|
616 (defun vm-buffer-variable-value (buffer var)
|
|
|
617 (save-excursion
|
|
|
618 (set-buffer buffer)
|
|
|
619 (symbol-value var)))
|
|
|
620
|
|
20
|
621 (defsubst vm-with-string-as-temp-buffer (string function)
|
|
|
622 (let ((work-buffer nil))
|
|
|
623 (unwind-protect
|
|
|
624 (save-excursion
|
|
|
625 (setq work-buffer (generate-new-buffer " *work*"))
|
|
|
626 (set-buffer work-buffer)
|
|
|
627 (insert string)
|
|
|
628 (funcall function)
|
|
|
629 (buffer-string))
|
|
|
630 (and work-buffer (kill-buffer work-buffer)))))
|
|
24
|
631
|
|
|
632 (defmacro vm-with-virtual-selector-variables (&rest forms)
|
|
|
633 (append '(let ((any 'vm-vs-any)
|
|
|
634 (and 'vm-vs-and)
|
|
|
635 (or 'vm-vs-or)
|
|
|
636 (not 'vm-vs-not)
|
|
|
637 (header 'vm-vs-header)
|
|
|
638 (label 'vm-vs-label)
|
|
|
639 (text 'vm-vs-text)
|
|
|
640 (recipient 'vm-vs-recipient)
|
|
|
641 (author 'vm-vs-author)
|
|
|
642 (subject 'vm-vs-subject)
|
|
|
643 (sent-before 'vm-vs-sent-before)
|
|
|
644 (sent-after 'vm-vs-sent-after)
|
|
|
645 (more-chars-than 'vm-vs-more-chars-than)
|
|
|
646 (less-chars-than 'vm-vs-less-chars-than)
|
|
|
647 (more-lines-than 'vm-vs-more-lines-than)
|
|
|
648 (less-lines-than 'vm-vs-less-lines-than)
|
|
|
649 (new 'vm-vs-new)
|
|
|
650 (unread 'vm-vs-unread)
|
|
|
651 (read 'vm-vs-read)
|
|
|
652 (deleted 'vm-vs-deleted)
|
|
|
653 (replied 'vm-vs-replied)
|
|
|
654 (forwarded 'vm-vs-forwarded)
|
|
|
655 (filed 'vm-vs-filed)
|
|
|
656 (written 'vm-vs-written)
|
|
|
657 (edited 'vm-vs-edited)
|
|
|
658 (marked 'vm-vs-marked)))
|
|
|
659 forms))
|
|
|
660
|
|
|
661 (defun vm-string-assoc (elt list)
|
|
|
662 (let ((case-fold-search t)
|
|
|
663 (found nil)
|
|
|
664 (elt (regexp-quote elt)))
|
|
|
665 (while (and list (not found))
|
|
|
666 (if (and (equal 0 (string-match elt (car (car list))))
|
|
|
667 (= (match-end 0) (length (car (car list)))))
|
|
|
668 (setq found t)
|
|
|
669 (setq list (cdr list))))
|
|
|
670 (car list)))
|
|
|
671
|
|
|
672 (defun vm-string-member (elt list)
|
|
|
673 (let ((case-fold-search t)
|
|
|
674 (found nil)
|
|
|
675 (elt (regexp-quote elt)))
|
|
|
676 (while (and list (not found))
|
|
|
677 (if (and (equal 0 (string-match elt (car list)))
|
|
|
678 (= (match-end 0) (length (car list))))
|
|
|
679 (setq found t)
|
|
|
680 (setq list (cdr list))))
|
|
|
681 list))
|
|
30
|
682
|
|
|
683 (defmacro vm-assert (expression)
|
|
|
684 (list 'or expression
|
|
|
685 (list 'progn
|
|
|
686 (list 'setq 'debug-on-error t)
|
|
|
687 (list 'error "assertion failed: %S"
|
|
|
688 (list 'quote expression)))))
|
