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1 ;;; nnfolder.el --- mail folder access for Gnus
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2 ;; Copyright (C) 1995,96 Free Software Foundation, Inc.
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3
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4 ;; Author: Scott Byer <byer@mv.us.adobe.com>
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5 ;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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6 ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
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7 ;; Keywords: mail
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8
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9 ;; This file is part of GNU Emacs.
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10
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11 ;; GNU Emacs is free software; you can redistribute it and/or modify
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12 ;; it under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; GNU Emacs is distributed in the hope that it will be useful,
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17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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19 ;; GNU 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 ;;; Commentary:
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27
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28 ;; For an overview of what the interface functions do, please see the
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29 ;; Gnus sources.
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30
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31 ;; Various enhancements by byer@mv.us.adobe.com (Scott Byer).
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32
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33 ;;; Code:
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34
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35 (require 'nnheader)
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36 (require 'message)
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37 (require 'nnmail)
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38 (require 'nnoo)
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70
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39 (eval-when-compile (require 'cl))
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40
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41 (nnoo-declare nnfolder)
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42
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43 (defvoo nnfolder-directory (expand-file-name message-directory)
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44 "The name of the nnfolder directory.")
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45
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70
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46 (defvoo nnfolder-active-file
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47 (nnheader-concat nnfolder-directory "active")
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48 "The name of the active file.")
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49
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50 ;; I renamed this variable to something more in keeping with the general GNU
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51 ;; style. -SLB
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52
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53 (defvoo nnfolder-ignore-active-file nil
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54 "If non-nil, causes nnfolder to do some extra work in order to determine
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55 the true active ranges of an mbox file. Note that the active file is still
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56 saved, but it's values are not used. This costs some extra time when
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57 scanning an mbox when opening it.")
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58
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59 (defvoo nnfolder-distrust-mbox nil
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60 "If non-nil, causes nnfolder to not trust the user with respect to
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61 inserting unaccounted for mail in the middle of an mbox file. This can greatly
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62 slow down scans, which now must scan the entire file for unmarked messages.
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63 When nil, scans occur forward from the last marked message, a huge
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64 time saver for large mailboxes.")
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65
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66 (defvoo nnfolder-newsgroups-file
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67 (concat (file-name-as-directory nnfolder-directory) "newsgroups")
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68 "Mail newsgroups description file.")
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69
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70 (defvoo nnfolder-get-new-mail t
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71 "If non-nil, nnfolder will check the incoming mail file and split the mail.")
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72
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73 (defvoo nnfolder-prepare-save-mail-hook nil
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74 "Hook run narrowed to an article before saving.")
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75
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76 (defvoo nnfolder-save-buffer-hook nil
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77 "Hook run before saving the nnfolder mbox buffer.")
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78
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79 (defvoo nnfolder-inhibit-expiry nil
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80 "If non-nil, inhibit expiry.")
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81
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82
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83
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84 (defconst nnfolder-version "nnfolder 1.0"
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85 "nnfolder version.")
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86
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87 (defconst nnfolder-article-marker "X-Gnus-Article-Number: "
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88 "String used to demarcate what the article number for a message is.")
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89
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90 (defvoo nnfolder-current-group nil)
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91 (defvoo nnfolder-current-buffer nil)
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92 (defvoo nnfolder-status-string "")
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93 (defvoo nnfolder-group-alist nil)
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94 (defvoo nnfolder-buffer-alist nil)
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95 (defvoo nnfolder-scantime-alist nil)
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96
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97
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98
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99 ;;; Interface functions
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100
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101 (nnoo-define-basics nnfolder)
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102
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103 (deffoo nnfolder-retrieve-headers (articles &optional group server fetch-old)
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104 (save-excursion
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105 (set-buffer nntp-server-buffer)
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106 (erase-buffer)
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107 (let ((delim-string (concat "^" message-unix-mail-delimiter))
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108 article art-string start stop)
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109 (nnfolder-possibly-change-group group server)
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110 (when nnfolder-current-buffer
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111 (set-buffer nnfolder-current-buffer)
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112 (goto-char (point-min))
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113 (if (stringp (car articles))
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114 'headers
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115 (while articles
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116 (setq article (car articles))
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117 (setq art-string (nnfolder-article-string article))
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118 (set-buffer nnfolder-current-buffer)
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119 (if (or (search-forward art-string nil t)
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120 ;; Don't search the whole file twice! Also, articles
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121 ;; probably have some locality by number, so searching
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122 ;; backwards will be faster. Especially if we're at the
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123 ;; beginning of the buffer :-). -SLB
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124 (search-backward art-string nil t))
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125 (progn
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126 (setq start (or (re-search-backward delim-string nil t)
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127 (point)))
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128 (search-forward "\n\n" nil t)
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129 (setq stop (1- (point)))
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130 (set-buffer nntp-server-buffer)
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131 (insert (format "221 %d Article retrieved.\n" article))
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132 (insert-buffer-substring nnfolder-current-buffer start stop)
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133 (goto-char (point-max))
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134 (insert ".\n")))
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135 (setq articles (cdr articles)))
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136
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137 (set-buffer nntp-server-buffer)
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138 (nnheader-fold-continuation-lines)
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139 'headers)))))
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140
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141 (deffoo nnfolder-open-server (server &optional defs)
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142 (nnoo-change-server 'nnfolder server defs)
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143 (when (not (file-exists-p nnfolder-directory))
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144 (condition-case ()
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145 (make-directory nnfolder-directory t)
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146 (error t)))
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147 (cond
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148 ((not (file-exists-p nnfolder-directory))
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149 (nnfolder-close-server)
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150 (nnheader-report 'nnfolder "Couldn't create directory: %s"
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151 nnfolder-directory))
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152 ((not (file-directory-p (file-truename nnfolder-directory)))
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153 (nnfolder-close-server)
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154 (nnheader-report 'nnfolder "Not a directory: %s" nnfolder-directory))
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155 (t
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156 (nnheader-report 'nnfolder "Opened server %s using directory %s"
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157 server nnfolder-directory)
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158 t)))
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159
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160 (deffoo nnfolder-request-close ()
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161 (let ((alist nnfolder-buffer-alist))
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162 (while alist
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163 (nnfolder-close-group (caar alist) nil t)
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164 (setq alist (cdr alist))))
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165 (nnoo-close-server 'nnfolder)
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166 (setq nnfolder-buffer-alist nil
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167 nnfolder-group-alist nil))
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168
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169 (deffoo nnfolder-request-article (article &optional group server buffer)
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170 (nnfolder-possibly-change-group group server)
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171 (save-excursion
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172 (set-buffer nnfolder-current-buffer)
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173 (goto-char (point-min))
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174 (if (search-forward (nnfolder-article-string article) nil t)
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175 (let (start stop)
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176 (re-search-backward (concat "^" message-unix-mail-delimiter) nil t)
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177 (setq start (point))
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178 (forward-line 1)
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179 (or (and (re-search-forward
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180 (concat "^" message-unix-mail-delimiter) nil t)
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181 (forward-line -1))
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182 (goto-char (point-max)))
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183 (setq stop (point))
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184 (let ((nntp-server-buffer (or buffer nntp-server-buffer)))
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185 (set-buffer nntp-server-buffer)
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186 (erase-buffer)
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187 (insert-buffer-substring nnfolder-current-buffer start stop)
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188 (goto-char (point-min))
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189 (while (looking-at "From ")
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190 (delete-char 5)
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191 (insert "X-From-Line: ")
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192 (forward-line 1))
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193 (if (numberp article)
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194 (cons nnfolder-current-group article)
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195 (goto-char (point-min))
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196 (search-forward (concat "\n" nnfolder-article-marker))
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197 (cons nnfolder-current-group
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198 (string-to-int
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199 (buffer-substring
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200 (point) (progn (end-of-line) (point)))))))))))
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201
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202 (deffoo nnfolder-request-group (group &optional server dont-check)
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203 (save-excursion
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204 (nnmail-activate 'nnfolder)
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205 (if (not (assoc group nnfolder-group-alist))
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206 (nnheader-report 'nnfolder "No such group: %s" group)
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207 (nnfolder-possibly-change-group group server)
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208 (if dont-check
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209 (progn
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210 (nnheader-report 'nnfolder "Selected group %s" group)
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211 t)
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212 (let* ((active (assoc group nnfolder-group-alist))
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213 (group (car active))
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214 (range (cadr active)))
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215 (cond
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216 ((null active)
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217 (nnheader-report 'nnfolder "No such group: %s" group))
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218 ((null nnfolder-current-group)
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219 (nnheader-report 'nnfolder "Empty group: %s" group))
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220 (t
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221 (nnheader-report 'nnfolder "Selected group %s" group)
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222 (nnheader-insert "211 %d %d %d %s\n"
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223 (1+ (- (cdr range) (car range)))
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224 (car range) (cdr range) group))))))))
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225
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226 (deffoo nnfolder-request-scan (&optional group server)
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227 (nnfolder-possibly-change-group group server t)
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228 (nnmail-get-new-mail
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229 'nnfolder
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230 (lambda ()
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231 (let ((bufs nnfolder-buffer-alist))
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232 (save-excursion
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233 (while bufs
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234 (if (not (buffer-name (nth 1 (car bufs))))
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235 (setq nnfolder-buffer-alist
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236 (delq (car bufs) nnfolder-buffer-alist))
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237 (set-buffer (nth 1 (car bufs)))
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238 (nnfolder-save-buffer)
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239 (kill-buffer (current-buffer)))
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240 (setq bufs (cdr bufs))))))
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241 nnfolder-directory
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242 group))
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243
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244 ;; Don't close the buffer if we're not shutting down the server. This way,
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245 ;; we can keep the buffer in the group buffer cache, and not have to grovel
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246 ;; over the buffer again unless we add new mail to it or modify it in some
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247 ;; way.
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248
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249 (deffoo nnfolder-close-group (group &optional server force)
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250 ;; Make sure we _had_ the group open.
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251 (when (or (assoc group nnfolder-buffer-alist)
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252 (equal group nnfolder-current-group))
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253 (let ((inf (assoc group nnfolder-buffer-alist)))
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254 (when inf
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255 (when nnfolder-current-group
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256 (push (list nnfolder-current-group nnfolder-current-buffer)
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257 nnfolder-buffer-alist))
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258 (setq nnfolder-buffer-alist
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259 (delq inf nnfolder-buffer-alist))
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260 (setq nnfolder-current-buffer (cadr inf)
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261 nnfolder-current-group (car inf))))
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262 (when (and nnfolder-current-buffer
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263 (buffer-name nnfolder-current-buffer))
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264 (save-excursion
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265 (set-buffer nnfolder-current-buffer)
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266 ;; If the buffer was modified, write the file out now.
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267 (nnfolder-save-buffer)
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268 ;; If we're shutting the server down, we need to kill the
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269 ;; buffer and remove it from the open buffer list. Or, of
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270 ;; course, if we're trying to minimize our space impact.
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271 (kill-buffer (current-buffer))
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272 (setq nnfolder-buffer-alist (delq (assoc group nnfolder-buffer-alist)
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273 nnfolder-buffer-alist)))))
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274 (setq nnfolder-current-group nil
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275 nnfolder-current-buffer nil)
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276 t)
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277
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278 (deffoo nnfolder-request-create-group (group &optional server)
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279 (nnfolder-possibly-change-group nil server)
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280 (nnmail-activate 'nnfolder)
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281 (when group
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282 (unless (assoc group nnfolder-group-alist)
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283 (push (list group (cons 1 0)) nnfolder-group-alist)
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284 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)))
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285 t)
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286
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287 (deffoo nnfolder-request-list (&optional server)
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288 (nnfolder-possibly-change-group nil server)
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289 (save-excursion
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290 (nnmail-find-file nnfolder-active-file)
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291 (setq nnfolder-group-alist (nnmail-get-active))))
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292
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293 (deffoo nnfolder-request-newgroups (date &optional server)
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294 (nnfolder-possibly-change-group nil server)
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295 (nnfolder-request-list server))
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296
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297 (deffoo nnfolder-request-list-newsgroups (&optional server)
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298 (nnfolder-possibly-change-group nil server)
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299 (save-excursion
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300 (nnmail-find-file nnfolder-newsgroups-file)))
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301
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302 (deffoo nnfolder-request-expire-articles
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303 (articles newsgroup &optional server force)
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304 (nnfolder-possibly-change-group newsgroup server)
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305 (let* ((is-old t)
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306 rest)
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307 (nnmail-activate 'nnfolder)
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308
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309 (save-excursion
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310 (set-buffer nnfolder-current-buffer)
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311 (while (and articles is-old)
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312 (goto-char (point-min))
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313 (if (search-forward (nnfolder-article-string (car articles)) nil t)
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314 (if (setq is-old
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315 (nnmail-expired-article-p
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316 newsgroup
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317 (buffer-substring
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318 (point) (progn (end-of-line) (point)))
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319 force nnfolder-inhibit-expiry))
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320 (progn
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321 (nnheader-message 5 "Deleting article %d..."
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322 (car articles) newsgroup)
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323 (nnfolder-delete-mail))
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324 (setq rest (cons (car articles) rest))))
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325 (setq articles (cdr articles)))
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326 (nnfolder-save-buffer)
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327 ;; Find the lowest active article in this group.
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328 (let* ((active (cadr (assoc newsgroup nnfolder-group-alist)))
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329 (marker (concat "\n" nnfolder-article-marker))
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330 (number "[0-9]+")
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331 (activemin (cdr active)))
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332 (goto-char (point-min))
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333 (while (and (search-forward marker nil t)
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334 (re-search-forward number nil t))
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335 (setq activemin (min activemin
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336 (string-to-number (buffer-substring
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337 (match-beginning 0)
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338 (match-end 0))))))
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339 (setcar active activemin))
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340 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
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341 (nconc rest articles))))
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342
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343 (deffoo nnfolder-request-move-article
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344 (article group server accept-form &optional last)
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345 (nnfolder-possibly-change-group group server)
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346 (let ((buf (get-buffer-create " *nnfolder move*"))
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347 result)
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348 (and
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349 (nnfolder-request-article article group server)
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350 (save-excursion
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351 (set-buffer buf)
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352 (buffer-disable-undo (current-buffer))
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353 (erase-buffer)
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354 (insert-buffer-substring nntp-server-buffer)
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355 (goto-char (point-min))
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356 (while (re-search-forward
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357 (concat "^" nnfolder-article-marker)
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358 (save-excursion (search-forward "\n\n" nil t) (point)) t)
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359 (delete-region (progn (beginning-of-line) (point))
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360 (progn (forward-line 1) (point))))
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361 (setq result (eval accept-form))
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362 (kill-buffer buf)
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363 result)
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364 (save-excursion
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365 (nnfolder-possibly-change-group group server)
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366 (set-buffer nnfolder-current-buffer)
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367 (goto-char (point-min))
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368 (if (search-forward (nnfolder-article-string article) nil t)
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369 (nnfolder-delete-mail))
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370 (and last (nnfolder-save-buffer))))
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371 result))
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372
|
|
|
373 (deffoo nnfolder-request-accept-article (group &optional server last)
|
|
|
374 (nnfolder-possibly-change-group group server)
|
|
|
375 (nnmail-check-syntax)
|
|
70
|
376 (and (stringp group) (nnfolder-possibly-change-group group))
|
|
0
|
377 (let ((buf (current-buffer))
|
|
70
|
378 result)
|
|
0
|
379 (goto-char (point-min))
|
|
|
380 (when (looking-at "X-From-Line: ")
|
|
|
381 (replace-match "From "))
|
|
70
|
382 (and
|
|
0
|
383 (nnfolder-request-list)
|
|
|
384 (save-excursion
|
|
|
385 (set-buffer buf)
|
|
|
386 (goto-char (point-min))
|
|
|
387 (search-forward "\n\n" nil t)
|
|
|
388 (forward-line -1)
|
|
|
389 (while (re-search-backward (concat "^" nnfolder-article-marker) nil t)
|
|
|
390 (delete-region (point) (progn (forward-line 1) (point))))
|
|
70
|
391 (setq result (car (nnfolder-save-mail (and (stringp group) group)))))
|
|
|
392 (save-excursion
|
|
|
393 (set-buffer nnfolder-current-buffer)
|
|
|
394 (and last (nnfolder-save-buffer))))
|
|
0
|
395 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
396 (unless result
|
|
|
397 (nnheader-report 'nnfolder "Couldn't store article"))
|
|
|
398 result))
|
|
|
399
|
|
|
400 (deffoo nnfolder-request-replace-article (article group buffer)
|
|
|
401 (nnfolder-possibly-change-group group)
|
|
|
402 (save-excursion
|
|
|
403 (set-buffer nnfolder-current-buffer)
|
|
|
404 (goto-char (point-min))
|
|
|
405 (if (not (search-forward (nnfolder-article-string article) nil t))
|
|
|
406 nil
|
|
|
407 (nnfolder-delete-mail t t)
|
|
|
408 (insert-buffer-substring buffer)
|
|
|
409 (nnfolder-save-buffer)
|
|
|
410 t)))
|
|
|
411
|
|
|
412 (deffoo nnfolder-request-delete-group (group &optional force server)
|
|
|
413 (nnfolder-close-group group server t)
|
|
|
414 ;; Delete all articles in GROUP.
|
|
|
415 (if (not force)
|
|
|
416 () ; Don't delete the articles.
|
|
|
417 ;; Delete the file that holds the group.
|
|
70
|
418 (condition-case nil
|
|
|
419 (delete-file (nnfolder-group-pathname group))
|
|
|
420 (error nil)))
|
|
0
|
421 ;; Remove the group from all structures.
|
|
70
|
422 (setq nnfolder-group-alist
|
|
0
|
423 (delq (assoc group nnfolder-group-alist) nnfolder-group-alist)
|
|
|
424 nnfolder-current-group nil
|
|
|
425 nnfolder-current-buffer nil)
|
|
|
426 ;; Save the active file.
|
|
|
427 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
428 t)
|
|
|
429
|
|
|
430 (deffoo nnfolder-request-rename-group (group new-name &optional server)
|
|
|
431 (nnfolder-possibly-change-group group server)
|
|
|
432 (save-excursion
|
|
|
433 (set-buffer nnfolder-current-buffer)
|
|
|
434 (and (file-writable-p buffer-file-name)
|
|
70
|
435 (condition-case ()
|
|
|
436 (progn
|
|
|
437 (rename-file
|
|
|
438 buffer-file-name
|
|
|
439 (nnfolder-group-pathname new-name))
|
|
|
440 t)
|
|
|
441 (error nil))
|
|
0
|
442 ;; That went ok, so we change the internal structures.
|
|
|
443 (let ((entry (assoc group nnfolder-group-alist)))
|
|
|
444 (and entry (setcar entry new-name))
|
|
|
445 (setq nnfolder-current-buffer nil
|
|
|
446 nnfolder-current-group nil)
|
|
|
447 ;; Save the new group alist.
|
|
|
448 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
449 ;; We kill the buffer instead of renaming it and stuff.
|
|
|
450 (kill-buffer (current-buffer))
|
|
|
451 t))))
|
|
|
452
|
|
|
453
|
|
|
454 ;;; Internal functions.
|
|
|
455
|
|
|
456 (defun nnfolder-article-string (article)
|
|
|
457 (if (numberp article)
|
|
|
458 (concat "\n" nnfolder-article-marker (int-to-string article) " ")
|
|
|
459 (concat "\nMessage-ID: " article)))
|
|
|
460
|
|
|
461 (defun nnfolder-delete-mail (&optional force leave-delim)
|
|
|
462 "Delete the message that point is in."
|
|
|
463 (save-excursion
|
|
|
464 (delete-region
|
|
|
465 (save-excursion
|
|
70
|
466 (re-search-backward (concat "^" message-unix-mail-delimiter) nil t)
|
|
0
|
467 (if leave-delim (progn (forward-line 1) (point))
|
|
70
|
468 (match-beginning 0)))
|
|
0
|
469 (progn
|
|
|
470 (forward-line 1)
|
|
70
|
471 (if (re-search-forward (concat "^" message-unix-mail-delimiter) nil t)
|
|
0
|
472 (if (and (not (bobp)) leave-delim)
|
|
|
473 (progn (forward-line -2) (point))
|
|
70
|
474 (match-beginning 0))
|
|
0
|
475 (point-max))))))
|
|
|
476
|
|
70
|
477 ;; When scanning, we're not looking t immediately switch into the group - if
|
|
|
478 ;; we know our information is up to date, don't even bother reading the file.
|
|
|
479 (defun nnfolder-possibly-change-group (group &optional server scanning)
|
|
0
|
480 (when (and server
|
|
|
481 (not (nnfolder-server-opened server)))
|
|
|
482 (nnfolder-open-server server))
|
|
70
|
483 (when (and group (or nnfolder-current-buffer
|
|
|
484 (not (equal group nnfolder-current-group))))
|
|
|
485 (unless (file-exists-p nnfolder-directory)
|
|
|
486 (make-directory (directory-file-name nnfolder-directory) t))
|
|
|
487 (nnfolder-possibly-activate-groups nil)
|
|
|
488 (or (assoc group nnfolder-group-alist)
|
|
|
489 (not (file-exists-p
|
|
|
490 (nnfolder-group-pathname group)))
|
|
|
491 (progn
|
|
|
492 (setq nnfolder-group-alist
|
|
|
493 (cons (list group (cons 1 0)) nnfolder-group-alist))
|
|
|
494 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)))
|
|
|
495 (let (inf file)
|
|
|
496 (if (and (equal group nnfolder-current-group)
|
|
|
497 nnfolder-current-buffer
|
|
|
498 (buffer-name nnfolder-current-buffer))
|
|
|
499 ()
|
|
|
500 (setq nnfolder-current-group group)
|
|
30
|
501
|
|
70
|
502 ;; If we have to change groups, see if we don't already have the mbox
|
|
|
503 ;; in memory. If we do, verify the modtime and destroy the mbox if
|
|
|
504 ;; needed so we can rescan it.
|
|
|
505 (if (setq inf (assoc group nnfolder-buffer-alist))
|
|
|
506 (setq nnfolder-current-buffer (nth 1 inf)))
|
|
30
|
507
|
|
32
|
508 ;; If the buffer is not live, make sure it isn't in the alist. If it
|
|
|
509 ;; is live, verify that nobody else has touched the file since last
|
|
|
510 ;; time.
|
|
70
|
511 (if (or (not (and nnfolder-current-buffer
|
|
|
512 (buffer-name nnfolder-current-buffer)))
|
|
|
513 (not (and (bufferp nnfolder-current-buffer)
|
|
|
514 (verify-visited-file-modtime
|
|
|
515 nnfolder-current-buffer))))
|
|
|
516 (progn
|
|
|
517 (if (and nnfolder-current-buffer
|
|
|
518 (buffer-name nnfolder-current-buffer)
|
|
|
519 (bufferp nnfolder-current-buffer))
|
|
|
520 (kill-buffer nnfolder-current-buffer))
|
|
|
521 (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist))
|
|
|
522 (setq inf nil)))
|
|
|
523
|
|
|
524 (if inf
|
|
|
525 ()
|
|
32
|
526 (save-excursion
|
|
|
527 (setq file (nnfolder-group-pathname group))
|
|
70
|
528 (if (file-directory-p (file-truename file))
|
|
|
529 ()
|
|
|
530 (unless (file-exists-p file)
|
|
|
531 (unless (file-exists-p (file-name-directory file))
|
|
|
532 (make-directory (file-name-directory file) t))
|
|
|
533 (write-region 1 1 file t 'nomesg))
|
|
|
534 (setq nnfolder-current-buffer
|
|
|
535 (nnfolder-read-folder file scanning))
|
|
|
536 (if nnfolder-current-buffer
|
|
|
537 (progn
|
|
|
538 (set-buffer nnfolder-current-buffer)
|
|
|
539 (setq nnfolder-buffer-alist
|
|
|
540 (cons (list group nnfolder-current-buffer)
|
|
|
541 nnfolder-buffer-alist)))))))))
|
|
|
542 (setq nnfolder-current-group group)))
|
|
0
|
543
|
|
70
|
544 (defun nnfolder-save-mail (&optional group)
|
|
0
|
545 "Called narrowed to an article."
|
|
70
|
546 (let* ((nnmail-split-methods
|
|
|
547 (if group (list (list group "")) nnmail-split-methods))
|
|
|
548 (group-art-list
|
|
|
549 (nreverse (nnmail-article-group 'nnfolder-active-number)))
|
|
|
550 (delim (concat "^" message-unix-mail-delimiter))
|
|
|
551 save-list group-art)
|
|
0
|
552 (goto-char (point-min))
|
|
2
|
553 ;; The From line may have been quoted by movemail.
|
|
|
554 (when (looking-at (concat ">" message-unix-mail-delimiter))
|
|
|
555 (delete-char 1))
|
|
70
|
556 ;; This might come from somewhere else.
|
|
|
557 (unless (looking-at delim)
|
|
0
|
558 (insert "From nobody " (current-time-string) "\n")
|
|
|
559 (goto-char (point-min)))
|
|
|
560 ;; Quote all "From " lines in the article.
|
|
|
561 (forward-line 1)
|
|
70
|
562 (while (re-search-forward delim nil t)
|
|
|
563 (beginning-of-line)
|
|
|
564 (insert "> "))
|
|
0
|
565 (setq save-list group-art-list)
|
|
|
566 (nnmail-insert-lines)
|
|
|
567 (nnmail-insert-xref group-art-list)
|
|
|
568 (run-hooks 'nnmail-prepare-save-mail-hook)
|
|
|
569 (run-hooks 'nnfolder-prepare-save-mail-hook)
|
|
|
570
|
|
|
571 ;; Insert the mail into each of the destination groups.
|
|
70
|
572 (while group-art-list
|
|
|
573 (setq group-art (car group-art-list)
|
|
|
574 group-art-list (cdr group-art-list))
|
|
|
575
|
|
|
576 ;; Kill the previous newsgroup markers.
|
|
0
|
577 (goto-char (point-min))
|
|
|
578 (search-forward "\n\n" nil t)
|
|
|
579 (forward-line -1)
|
|
|
580 (while (search-backward (concat "\n" nnfolder-article-marker) nil t)
|
|
|
581 (delete-region (1+ (point)) (progn (forward-line 2) (point))))
|
|
|
582
|
|
70
|
583 (nnfolder-possibly-change-group (car group-art))
|
|
0
|
584 ;; Insert the new newsgroup marker.
|
|
|
585 (nnfolder-insert-newsgroup-line group-art)
|
|
70
|
586 (unless nnfolder-current-buffer
|
|
|
587 (nnfolder-close-group (car group-art))
|
|
|
588 (nnfolder-request-create-group (car group-art))
|
|
|
589 (nnfolder-possibly-change-group (car group-art)))
|
|
|
590 (let ((beg (point-min))
|
|
|
591 (end (point-max))
|
|
|
592 (obuf (current-buffer)))
|
|
|
593 (set-buffer nnfolder-current-buffer)
|
|
|
594 (goto-char (point-max))
|
|
|
595 (unless (eolp)
|
|
|
596 (insert "\n"))
|
|
|
597 (insert "\n")
|
|
|
598 (insert-buffer-substring obuf beg end)
|
|
|
599 (set-buffer obuf)))
|
|
0
|
600
|
|
|
601 ;; Did we save it anywhere?
|
|
|
602 save-list))
|
|
|
603
|
|
|
604 (defun nnfolder-insert-newsgroup-line (group-art)
|
|
|
605 (save-excursion
|
|
|
606 (goto-char (point-min))
|
|
70
|
607 (if (search-forward "\n\n" nil t)
|
|
|
608 (progn
|
|
|
609 (forward-char -1)
|
|
|
610 (insert (format (concat nnfolder-article-marker "%d %s\n")
|
|
|
611 (cdr group-art) (current-time-string)))))))
|
|
|
612
|
|
|
613 (defun nnfolder-possibly-activate-groups (&optional group)
|
|
|
614 (save-excursion
|
|
|
615 ;; If we're looking for the activation of a specific group, find out
|
|
|
616 ;; its real name and switch to it.
|
|
|
617 (if group (nnfolder-possibly-change-group group))
|
|
|
618 ;; If the group alist isn't active, activate it now.
|
|
|
619 (nnmail-activate 'nnfolder)))
|
|
0
|
620
|
|
|
621 (defun nnfolder-active-number (group)
|
|
70
|
622 (when group
|
|
|
623 (save-excursion
|
|
|
624 ;; Find the next article number in GROUP.
|
|
|
625 (prog1
|
|
|
626 (let ((active (cadr (assoc group nnfolder-group-alist))))
|
|
|
627 (if active
|
|
|
628 (setcdr active (1+ (cdr active)))
|
|
|
629 ;; This group is new, so we create a new entry for it.
|
|
|
630 ;; This might be a bit naughty... creating groups on the drop of
|
|
|
631 ;; a hat, but I don't know...
|
|
|
632 (setq nnfolder-group-alist
|
|
|
633 (cons (list group (setq active (cons 1 1)))
|
|
|
634 nnfolder-group-alist)))
|
|
|
635 (cdr active))
|
|
|
636 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
637 (nnfolder-possibly-activate-groups group)))))
|
|
0
|
638
|
|
|
639
|
|
|
640 ;; This method has a problem if you've accidentally let the active list get
|
|
|
641 ;; out of sync with the files. This could happen, say, if you've
|
|
|
642 ;; accidentally gotten new mail with something other than Gnus (but why
|
|
|
643 ;; would _that_ ever happen? :-). In that case, we will be in the middle of
|
|
|
644 ;; processing the file, ready to add new X-Gnus article number markers, and
|
|
|
645 ;; we'll run across a message with no ID yet - the active list _may_not_ be
|
|
|
646 ;; ready for us yet.
|
|
|
647
|
|
|
648 ;; To handle this, I'm modifying this routine to maintain the maximum ID seen
|
|
|
649 ;; so far, and when we hit a message with no ID, we will _manually_ scan the
|
|
|
650 ;; rest of the message looking for any more, possibly higher IDs. We'll
|
|
|
651 ;; assume the maximum that we find is the highest active. Note that this
|
|
|
652 ;; shouldn't cost us much extra time at all, but will be a lot less
|
|
|
653 ;; vulnerable to glitches between the mbox and the active file.
|
|
|
654
|
|
70
|
655 (defun nnfolder-read-folder (file &optional scanning)
|
|
|
656 ;; This is an attempt at a serious shortcut - don't even read in the file
|
|
|
657 ;; if we know we've seen it since the last time it was touched.
|
|
|
658 (let ((scantime (cadr (assoc nnfolder-current-group
|
|
|
659 nnfolder-scantime-alist)))
|
|
|
660 (modtime (nth 5 (or (file-attributes file) '(nil nil nil nil nil)))))
|
|
|
661 (if (and scanning scantime
|
|
|
662 (eq (car scantime) (car modtime))
|
|
|
663 (eq (cdr scantime) (cadr modtime)))
|
|
|
664 nil
|
|
0
|
665 (save-excursion
|
|
70
|
666 (nnfolder-possibly-activate-groups nil)
|
|
0
|
667 ;; Read in the file.
|
|
70
|
668 (set-buffer (setq nnfolder-current-buffer
|
|
|
669 (nnheader-find-file-noselect file nil 'raw)))
|
|
|
670 (buffer-disable-undo (current-buffer))
|
|
|
671 ;; If the file hasn't been touched since the last time we scanned it,
|
|
|
672 ;; don't bother doing anything with it.
|
|
0
|
673 (let ((delim (concat "^" message-unix-mail-delimiter))
|
|
|
674 (marker (concat "\n" nnfolder-article-marker))
|
|
|
675 (number "[0-9]+")
|
|
70
|
676 (active (or (cadr (assoc nnfolder-current-group
|
|
|
677 nnfolder-group-alist))
|
|
38
|
678 (cons 1 0)))
|
|
70
|
679 (scantime (assoc nnfolder-current-group nnfolder-scantime-alist))
|
|
0
|
680 (minid (lsh -1 -1))
|
|
70
|
681 maxid start end newscantime)
|
|
|
682
|
|
|
683 (setq maxid (or (cdr active) 0))
|
|
0
|
684 (goto-char (point-min))
|
|
|
685
|
|
|
686 ;; Anytime the active number is 1 or 0, it is suspect. In that
|
|
|
687 ;; case, search the file manually to find the active number. Or,
|
|
|
688 ;; of course, if we're being paranoid. (This would also be the
|
|
|
689 ;; place to build other lists from the header markers, such as
|
|
|
690 ;; expunge lists, etc., if we ever desired to abandon the active
|
|
|
691 ;; file entirely for mboxes.)
|
|
|
692 (when (or nnfolder-ignore-active-file
|
|
|
693 (< maxid 2))
|
|
70
|
694 (while (and (search-forward marker nil t)
|
|
|
695 (re-search-forward number nil t))
|
|
|
696 (let ((newnum (string-to-number (match-string 0))))
|
|
|
697 (setq maxid (max maxid newnum))
|
|
|
698 (setq minid (min minid newnum))))
|
|
|
699 (setcar active (max 1 (min minid maxid)))
|
|
|
700 (setcdr active (max maxid (cdr active)))
|
|
|
701 (goto-char (point-min)))
|
|
0
|
702
|
|
|
703 ;; As long as we trust that the user will only insert unmarked mail
|
|
|
704 ;; at the end, go to the end and search backwards for the last
|
|
|
705 ;; marker. Find the start of that message, and begin to search for
|
|
|
706 ;; unmarked messages from there.
|
|
70
|
707 (if (not (or nnfolder-distrust-mbox
|
|
|
708 (< maxid 2)))
|
|
|
709 (progn
|
|
|
710 (goto-char (point-max))
|
|
|
711 (if (not (re-search-backward marker nil t))
|
|
|
712 (goto-char (point-min))
|
|
|
713 (if (not (re-search-backward delim nil t))
|
|
|
714 (goto-char (point-min))))))
|
|
0
|
715
|
|
|
716 ;; Keep track of the active number on our own, and insert it back
|
|
70
|
717 ;; into the active list when we're done. Also, prime the pump to
|
|
0
|
718 ;; cut down on the number of searches we do.
|
|
|
719 (setq end (point-marker))
|
|
70
|
720 (set-marker end (or (and (re-search-forward delim nil t)
|
|
|
721 (match-beginning 0))
|
|
|
722 (point-max)))
|
|
0
|
723 (while (not (= end (point-max)))
|
|
|
724 (setq start (marker-position end))
|
|
|
725 (goto-char end)
|
|
|
726 ;; There may be more than one "From " line, so we skip past
|
|
70
|
727 ;; them.
|
|
|
728 (while (looking-at delim)
|
|
0
|
729 (forward-line 1))
|
|
70
|
730 (set-marker end (or (and (re-search-forward delim nil t)
|
|
|
731 (match-beginning 0))
|
|
|
732 (point-max)))
|
|
0
|
733 (goto-char start)
|
|
70
|
734 (if (not (search-forward marker end t))
|
|
|
735 (progn
|
|
|
736 (narrow-to-region start end)
|
|
|
737 (nnmail-insert-lines)
|
|
|
738 (nnfolder-insert-newsgroup-line
|
|
|
739 (cons nil (nnfolder-active-number nnfolder-current-group)))
|
|
|
740 (widen))))
|
|
0
|
741
|
|
|
742 ;; Make absolutely sure that the active list reflects reality!
|
|
|
743 (nnmail-save-active nnfolder-group-alist nnfolder-active-file)
|
|
|
744 ;; Set the scantime for this group.
|
|
|
745 (setq newscantime (visited-file-modtime))
|
|
|
746 (if scantime
|
|
|
747 (setcdr scantime (list newscantime))
|
|
70
|
748 (push (list nnfolder-current-group newscantime)
|
|
0
|
749 nnfolder-scantime-alist))
|
|
|
750 (current-buffer))))))
|
|
|
751
|
|
|
752 ;;;###autoload
|
|
|
753 (defun nnfolder-generate-active-file ()
|
|
|
754 "Look for mbox folders in the nnfolder directory and make them into groups."
|
|
|
755 (interactive)
|
|
|
756 (nnmail-activate 'nnfolder)
|
|
|
757 (let ((files (directory-files nnfolder-directory))
|
|
70
|
758 file)
|
|
0
|
759 (while (setq file (pop files))
|
|
|
760 (when (and (not (backup-file-name-p file))
|
|
70
|
761 (nnheader-mail-file-mbox-p file))
|
|
|
762 (nnheader-message 5 "Adding group %s..." file)
|
|
|
763 (push (list file (cons 1 0)) nnfolder-group-alist)
|
|
|
764 (nnfolder-possibly-change-group file)
|
|
|
765 ;; (nnfolder-read-folder file)
|
|
|
766 (nnfolder-close-group file))
|
|
|
767 (message ""))))
|
|
0
|
768
|
|
|
769 (defun nnfolder-group-pathname (group)
|
|
|
770 "Make pathname for GROUP."
|
|
|
771 (let ((dir (file-name-as-directory (expand-file-name nnfolder-directory))))
|
|
|
772 ;; If this file exists, we use it directly.
|
|
70
|
773 (if (or nnmail-use-long-file-names
|
|
0
|
774 (file-exists-p (concat dir group)))
|
|
|
775 (concat dir group)
|
|
|
776 ;; If not, we translate dots into slashes.
|
|
|
777 (concat dir (nnheader-replace-chars-in-string group ?. ?/)))))
|
|
|
778
|
|
|
779 (defun nnfolder-save-buffer ()
|
|
|
780 "Save the buffer."
|
|
|
781 (when (buffer-modified-p)
|
|
|
782 (run-hooks 'nnfolder-save-buffer-hook)
|
|
|
783 (save-buffer)))
|
|
|
784
|
|
|
785 (provide 'nnfolder)
|
|
|
786
|
|
|
787 ;;; nnfolder.el ends here
|
