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1 ;;; nnml.el --- mail spool access for Gnus
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2 ;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
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3
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4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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5 ;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
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6 ;; Keywords: news, mail
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7
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8 ;; This file is part of GNU Emacs.
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9
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10 ;; GNU Emacs is free software; you can redistribute it and/or modify
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11 ;; it under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; GNU Emacs is distributed in the hope that it will be useful,
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16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 ;; GNU General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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23 ;; Boston, MA 02111-1307, USA.
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24
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25 ;;; Commentary:
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26
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27 ;; Based on nnspool.el by Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>.
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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 ;;; Code:
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32
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33 (require 'nnheader)
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34 (require 'nnmail)
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35 (require 'nnoo)
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36 (require 'cl)
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37
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38 (nnoo-declare nnml)
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39
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40 (defvoo nnml-directory message-directory
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41 "Mail spool directory.")
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42
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108
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43 (defvoo nnml-active-file
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44 (concat (file-name-as-directory nnml-directory) "active")
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45 "Mail active file.")
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46
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108
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47 (defvoo nnml-newsgroups-file
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48 (concat (file-name-as-directory nnml-directory) "newsgroups")
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49 "Mail newsgroups description file.")
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50
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51 (defvoo nnml-get-new-mail t
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52 "If non-nil, nnml will check the incoming mail file and split the mail.")
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53
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54 (defvoo nnml-nov-is-evil nil
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55 "If non-nil, Gnus will never generate and use nov databases for mail groups.
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56 Using nov databases will speed up header fetching considerably.
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57 This variable shouldn't be flipped much. If you have, for some reason,
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58 set this to t, and want to set it to nil again, you should always run
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59 the `nnml-generate-nov-databases' command. The function will go
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60 through all nnml directories and generate nov databases for them
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61 all. This may very well take some time.")
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62
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63 (defvoo nnml-prepare-save-mail-hook nil
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64 "Hook run narrowed to an article before saving.")
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65
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66 (defvoo nnml-inhibit-expiry nil
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67 "If non-nil, inhibit expiry.")
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68
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69
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70
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71
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72 (defconst nnml-version "nnml 1.0"
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73 "nnml version.")
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74
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75 (defvoo nnml-nov-file-name ".overview")
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76
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77 (defvoo nnml-current-directory nil)
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78 (defvoo nnml-current-group nil)
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79 (defvoo nnml-status-string "")
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80 (defvoo nnml-nov-buffer-alist nil)
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81 (defvoo nnml-group-alist nil)
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82 (defvoo nnml-active-timestamp nil)
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83 (defvoo nnml-article-file-alist nil)
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84
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85 (defvoo nnml-generate-active-function 'nnml-generate-active-info)
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86
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87
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88
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89 ;;; Interface functions.
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90
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91 (nnoo-define-basics nnml)
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92
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98
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93 (deffoo nnml-retrieve-headers (sequence &optional group server fetch-old)
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94 (when (nnml-possibly-change-directory group server)
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95 (save-excursion
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96 (set-buffer nntp-server-buffer)
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97 (erase-buffer)
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98 (let ((file nil)
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99 (number (length sequence))
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100 (count 0)
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101 beg article)
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102 (if (stringp (car sequence))
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103 'headers
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104 (if (nnml-retrieve-headers-with-nov sequence fetch-old)
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105 'nov
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106 (while sequence
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107 (setq article (car sequence))
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104
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108 (setq file (nnml-article-to-file article))
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109 (when (and file
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110 (file-exists-p file)
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111 (not (file-directory-p file)))
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112 (insert (format "221 %d Article retrieved.\n" article))
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113 (setq beg (point))
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114 (nnheader-insert-head file)
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115 (goto-char beg)
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116 (if (search-forward "\n\n" nil t)
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117 (forward-char -1)
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118 (goto-char (point-max))
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119 (insert "\n\n"))
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120 (insert ".\n")
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121 (delete-region (point) (point-max)))
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122 (setq sequence (cdr sequence))
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123 (setq count (1+ count))
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124 (and (numberp nnmail-large-newsgroup)
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125 (> number nnmail-large-newsgroup)
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126 (zerop (% count 20))
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127 (nnheader-message 6 "nnml: Receiving headers... %d%%"
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128 (/ (* count 100) number))))
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129
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130 (and (numberp nnmail-large-newsgroup)
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131 (> number nnmail-large-newsgroup)
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132 (nnheader-message 6 "nnml: Receiving headers...done"))
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133
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134 (nnheader-fold-continuation-lines)
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135 'headers))))))
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136
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137 (deffoo nnml-open-server (server &optional defs)
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138 (nnoo-change-server 'nnml server defs)
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139 (when (not (file-exists-p nnml-directory))
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140 (condition-case ()
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141 (make-directory nnml-directory t)
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142 (error)))
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143 (cond
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144 ((not (file-exists-p nnml-directory))
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145 (nnml-close-server)
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146 (nnheader-report 'nnml "Couldn't create directory: %s" nnml-directory))
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147 ((not (file-directory-p (file-truename nnml-directory)))
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148 (nnml-close-server)
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149 (nnheader-report 'nnml "Not a directory: %s" nnml-directory))
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150 (t
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151 (nnheader-report 'nnml "Opened server %s using directory %s"
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152 server nnml-directory)
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153 t)))
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154
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155 (defun nnml-request-regenerate (server)
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156 (nnml-possibly-change-directory nil server)
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157 (nnml-generate-nov-databases)
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158 t)
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159
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160 (deffoo nnml-request-article (id &optional group server buffer)
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161 (nnml-possibly-change-directory group server)
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162 (let* ((nntp-server-buffer (or buffer nntp-server-buffer))
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163 path gpath group-num)
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164 (if (stringp id)
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165 (when (and (setq group-num (nnml-find-group-number id))
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166 (cdr
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167 (assq (cdr group-num)
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168 (nnheader-article-to-file-alist
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169 (setq gpath
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170 (nnmail-group-pathname
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171 (car group-num)
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172 nnml-directory))))))
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173 (setq path (concat gpath (int-to-string (cdr group-num)))))
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174 (setq path (nnml-article-to-file id)))
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108
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175 (cond
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176 ((not path)
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177 (nnheader-report 'nnml "No such article: %s" id))
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178 ((not (file-exists-p path))
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179 (nnheader-report 'nnml "No such file: %s" path))
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180 ((file-directory-p path)
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181 (nnheader-report 'nnml "File is a directory: %s" path))
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182 ((not (save-excursion (nnmail-find-file path)))
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183 (nnheader-report 'nnml "Couldn't read file: %s" path))
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184 (t
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185 (nnheader-report 'nnml "Article %s retrieved" id)
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186 ;; We return the article number.
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187 (cons (if group-num (car group-num) group)
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188 (string-to-int (file-name-nondirectory path)))))))
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189
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190 (deffoo nnml-request-group (group &optional server dont-check)
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108
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191 (cond
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192 ((not (nnml-possibly-change-directory group server))
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193 (nnheader-report 'nnml "Invalid group (no such directory)"))
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194 ((not (file-exists-p nnml-current-directory))
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195 (nnheader-report 'nnml "Directory %s does not exist"
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196 nnml-current-directory))
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197 ((not (file-directory-p nnml-current-directory))
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198 (nnheader-report 'nnml "%s is not a directory" nnml-current-directory))
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108
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199 (dont-check
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200 (nnheader-report 'nnml "Group %s selected" group)
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201 t)
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202 (t
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203 (nnheader-re-read-dir nnml-current-directory)
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204 (nnmail-activate 'nnml)
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205 (let ((active (nth 1 (assoc group nnml-group-alist))))
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206 (if (not active)
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207 (nnheader-report 'nnml "No such group: %s" group)
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208 (nnheader-report 'nnml "Selected group %s" group)
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108
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209 (nnheader-insert "211 %d %d %d %s\n"
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210 (max (1+ (- (cdr active) (car active))) 0)
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211 (car active) (cdr active) group))))))
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212
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213 (deffoo nnml-request-scan (&optional group server)
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214 (setq nnml-article-file-alist nil)
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215 (nnml-possibly-change-directory group server)
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216 (nnmail-get-new-mail 'nnml 'nnml-save-nov nnml-directory group))
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217
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218 (deffoo nnml-close-group (group &optional server)
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219 (setq nnml-article-file-alist nil)
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220 t)
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221
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222 (deffoo nnml-request-create-group (group &optional server args)
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223 (nnmail-activate 'nnml)
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224 (unless (assoc group nnml-group-alist)
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225 (let (active)
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226 (push (list group (setq active (cons 1 0)))
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227 nnml-group-alist)
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228 (nnml-possibly-create-directory group)
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229 (nnml-possibly-change-directory group server)
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230 (let ((articles (nnheader-directory-articles nnml-current-directory)))
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231 (when articles
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232 (setcar active (apply 'min articles))
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233 (setcdr active (apply 'max articles))))
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234 (nnmail-save-active nnml-group-alist nnml-active-file)))
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235 t)
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236
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237 (deffoo nnml-request-list (&optional server)
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238 (save-excursion
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239 (nnmail-find-file nnml-active-file)
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240 (setq nnml-group-alist (nnmail-get-active))
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241 t))
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242
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243 (deffoo nnml-request-newgroups (date &optional server)
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244 (nnml-request-list server))
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245
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246 (deffoo nnml-request-list-newsgroups (&optional server)
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247 (save-excursion
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248 (nnmail-find-file nnml-newsgroups-file)))
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249
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250 (deffoo nnml-request-expire-articles (articles group
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251 &optional server force)
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252 (nnml-possibly-change-directory group server)
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108
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253 (let* ((active-articles
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254 (nnheader-directory-articles nnml-current-directory))
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255 (is-old t)
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256 article rest mod-time number)
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257 (nnmail-activate 'nnml)
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258
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259 (while (and articles is-old)
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104
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260 (when (setq article (nnml-article-to-file (setq number (pop articles))))
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261 (when (setq mod-time (nth 5 (file-attributes article)))
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262 (if (and (nnml-deletable-article-p group number)
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263 (setq is-old
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264 (nnmail-expired-article-p group mod-time force
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265 nnml-inhibit-expiry)))
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266 (progn
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267 (nnheader-message 5 "Deleting article %s in %s"
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268 article group)
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269 (condition-case ()
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270 (funcall nnmail-delete-file-function article)
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271 (file-error
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272 (push number rest)))
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273 (setq active-articles (delq number active-articles))
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274 (nnml-nov-delete-article group number))
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275 (push number rest)))))
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276 (let ((active (nth 1 (assoc group nnml-group-alist))))
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277 (when active
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278 (setcar active (or (and active-articles
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279 (apply 'min active-articles))
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280 (1+ (cdr active)))))
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281 (nnmail-save-active nnml-group-alist nnml-active-file))
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282 (nnml-save-nov)
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283 (nconc rest articles)))
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284
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108
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285 (deffoo nnml-request-move-article
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286 (article group server accept-form &optional last)
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287 (let ((buf (get-buffer-create " *nnml move*"))
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288 result)
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289 (nnml-possibly-change-directory group server)
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104
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290 (nnml-update-file-alist)
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108
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291 (and
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292 (nnml-deletable-article-p group article)
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293 (nnml-request-article article group server)
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294 (save-excursion
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295 (set-buffer buf)
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296 (insert-buffer-substring nntp-server-buffer)
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297 (setq result (eval accept-form))
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298 (kill-buffer (current-buffer))
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299 result)
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300 (progn
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301 (nnml-possibly-change-directory group server)
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302 (condition-case ()
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303 (funcall nnmail-delete-file-function
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304 (nnml-article-to-file article))
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305 (file-error nil))
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306 (nnml-nov-delete-article group article)
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307 (when last
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308 (nnml-save-nov)
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309 (nnmail-save-active nnml-group-alist nnml-active-file))))
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310 result))
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311
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312 (deffoo nnml-request-accept-article (group &optional server last)
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313 (nnml-possibly-change-directory group server)
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314 (nnmail-check-syntax)
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315 (let (result)
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316 (nnmail-cache-insert (nnmail-fetch-field "message-id"))
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317 (if (stringp group)
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108
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318 (and
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319 (nnmail-activate 'nnml)
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108
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320 (setq result (car (nnml-save-mail
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321 (list (cons group (nnml-active-number group))))))
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322 (progn
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323 (nnmail-save-active nnml-group-alist nnml-active-file)
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324 (and last (nnml-save-nov))))
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325 (and
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326 (nnmail-activate 'nnml)
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327 (setq result (car (nnml-save-mail
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328 (nnmail-article-group 'nnml-active-number))))
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108
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329 (when last
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330 (nnmail-save-active nnml-group-alist nnml-active-file)
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108
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331 (nnmail-cache-close)
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332 (nnml-save-nov))))
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333 result))
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334
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335 (deffoo nnml-request-replace-article (article group buffer)
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336 (nnml-possibly-change-directory group)
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337 (save-excursion
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338 (set-buffer buffer)
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339 (nnml-possibly-create-directory group)
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340 (let ((chars (nnmail-insert-lines))
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341 (art (concat (int-to-string article) "\t"))
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342 headers)
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343 (when (condition-case ()
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344 (progn
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108
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345 (nnmail-write-region
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346 (point-min) (point-max)
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104
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347 (or (nnml-article-to-file article)
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348 (concat nnml-current-directory
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349 (int-to-string article)))
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350 nil (if (nnheader-be-verbose 5) nil 'nomesg))
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351 t)
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352 (error nil))
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353 (setq headers (nnml-parse-head chars article))
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354 ;; Replace the NOV line in the NOV file.
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108
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355 (save-excursion
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356 (set-buffer (nnml-open-nov group))
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357 (goto-char (point-min))
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358 (if (or (looking-at art)
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359 (search-forward (concat "\n" art) nil t))
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360 ;; Delete the old NOV line.
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361 (delete-region (progn (beginning-of-line) (point))
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362 (progn (forward-line 1) (point)))
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363 ;; The line isn't here, so we have to find out where
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98
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364 ;; we should insert it. (This situation should never
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0
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365 ;; occur, but one likes to make sure...)
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366 (while (and (looking-at "[0-9]+\t")
|
|
108
|
367 (< (string-to-int
|
|
|
368 (buffer-substring
|
|
0
|
369 (match-beginning 0) (match-end 0)))
|
|
|
370 article)
|
|
|
371 (zerop (forward-line 1)))))
|
|
|
372 (beginning-of-line)
|
|
|
373 (nnheader-insert-nov headers)
|
|
|
374 (nnml-save-nov)
|
|
|
375 t)))))
|
|
|
376
|
|
|
377 (deffoo nnml-request-delete-group (group &optional force server)
|
|
|
378 (nnml-possibly-change-directory group server)
|
|
|
379 (when force
|
|
|
380 ;; Delete all articles in GROUP.
|
|
108
|
381 (let ((articles
|
|
|
382 (directory-files
|
|
0
|
383 nnml-current-directory t
|
|
|
384 (concat nnheader-numerical-short-files
|
|
|
385 "\\|" (regexp-quote nnml-nov-file-name) "$")))
|
|
|
386 article)
|
|
108
|
387 (while articles
|
|
0
|
388 (setq article (pop articles))
|
|
|
389 (when (file-writable-p article)
|
|
|
390 (nnheader-message 5 "Deleting article %s in %s..." article group)
|
|
|
391 (funcall nnmail-delete-file-function article))))
|
|
|
392 ;; Try to delete the directory itself.
|
|
|
393 (condition-case ()
|
|
|
394 (delete-directory nnml-current-directory)
|
|
|
395 (error nil)))
|
|
|
396 ;; Remove the group from all structures.
|
|
108
|
397 (setq nnml-group-alist
|
|
0
|
398 (delq (assoc group nnml-group-alist) nnml-group-alist)
|
|
|
399 nnml-current-group nil
|
|
|
400 nnml-current-directory nil)
|
|
|
401 ;; Save the active file.
|
|
|
402 (nnmail-save-active nnml-group-alist nnml-active-file)
|
|
|
403 t)
|
|
|
404
|
|
|
405 (deffoo nnml-request-rename-group (group new-name &optional server)
|
|
|
406 (nnml-possibly-change-directory group server)
|
|
98
|
407 (let ((new-dir (nnmail-group-pathname new-name nnml-directory))
|
|
|
408 (old-dir (nnmail-group-pathname group nnml-directory)))
|
|
|
409 (when (condition-case ()
|
|
|
410 (progn
|
|
|
411 (make-directory new-dir t)
|
|
|
412 t)
|
|
|
413 (error nil))
|
|
|
414 ;; We move the articles file by file instead of renaming
|
|
|
415 ;; the directory -- there may be subgroups in this group.
|
|
|
416 ;; One might be more clever, I guess.
|
|
|
417 (let ((files (nnheader-article-to-file-alist old-dir)))
|
|
|
418 (while files
|
|
108
|
419 (rename-file
|
|
98
|
420 (concat old-dir (cdar files))
|
|
|
421 (concat new-dir (cdar files)))
|
|
|
422 (pop files)))
|
|
|
423 ;; Move .overview file.
|
|
|
424 (let ((overview (concat old-dir nnml-nov-file-name)))
|
|
|
425 (when (file-exists-p overview)
|
|
|
426 (rename-file overview (concat new-dir nnml-nov-file-name))))
|
|
|
427 (when (<= (length (directory-files old-dir)) 2)
|
|
|
428 (condition-case ()
|
|
|
429 (delete-directory old-dir)
|
|
|
430 (error nil)))
|
|
|
431 ;; That went ok, so we change the internal structures.
|
|
|
432 (let ((entry (assoc group nnml-group-alist)))
|
|
|
433 (when entry
|
|
|
434 (setcar entry new-name))
|
|
|
435 (setq nnml-current-directory nil
|
|
|
436 nnml-current-group nil)
|
|
|
437 ;; Save the new group alist.
|
|
|
438 (nnmail-save-active nnml-group-alist nnml-active-file)
|
|
|
439 t))))
|
|
|
440
|
|
|
441 (deffoo nnml-set-status (article name value &optional group server)
|
|
|
442 (nnml-possibly-change-directory group server)
|
|
|
443 (let ((file (nnml-article-to-file article)))
|
|
|
444 (cond
|
|
|
445 ((not (file-exists-p file))
|
|
|
446 (nnheader-report 'nnml "File %s does not exist" file))
|
|
|
447 (t
|
|
|
448 (nnheader-temp-write file
|
|
|
449 (nnheader-insert-file-contents file)
|
|
|
450 (nnmail-replace-status name value))
|
|
|
451 t))))
|
|
0
|
452
|
|
|
453
|
|
|
454 ;;; Internal functions.
|
|
|
455
|
|
98
|
456 (defun nnml-article-to-file (article)
|
|
104
|
457 (nnml-update-file-alist)
|
|
98
|
458 (let (file)
|
|
|
459 (when (setq file (cdr (assq article nnml-article-file-alist)))
|
|
|
460 (concat nnml-current-directory file))))
|
|
|
461
|
|
0
|
462 (defun nnml-deletable-article-p (group article)
|
|
|
463 "Say whether ARTICLE in GROUP can be deleted."
|
|
104
|
464 (let (path)
|
|
|
465 (when (setq path (nnml-article-to-file article))
|
|
98
|
466 (when (file-writable-p path)
|
|
|
467 (or (not nnmail-keep-last-article)
|
|
|
468 (not (eq (cdr (nth 1 (assoc group nnml-group-alist)))
|
|
|
469 article)))))))
|
|
0
|
470
|
|
108
|
471 ;; Find an article number in the current group given the Message-ID.
|
|
0
|
472 (defun nnml-find-group-number (id)
|
|
|
473 (save-excursion
|
|
|
474 (set-buffer (get-buffer-create " *nnml id*"))
|
|
|
475 (buffer-disable-undo (current-buffer))
|
|
|
476 (let ((alist nnml-group-alist)
|
|
|
477 number)
|
|
|
478 ;; We want to look through all .overview files, but we want to
|
|
|
479 ;; start with the one in the current directory. It seems most
|
|
108
|
480 ;; likely that the article we are looking for is in that group.
|
|
0
|
481 (if (setq number (nnml-find-id nnml-current-group id))
|
|
|
482 (cons nnml-current-group number)
|
|
|
483 ;; It wasn't there, so we look through the other groups as well.
|
|
|
484 (while (and (not number)
|
|
|
485 alist)
|
|
|
486 (or (string= (caar alist) nnml-current-group)
|
|
|
487 (setq number (nnml-find-id (caar alist) id)))
|
|
|
488 (or number
|
|
|
489 (setq alist (cdr alist))))
|
|
|
490 (and number
|
|
|
491 (cons (caar alist) number))))))
|
|
|
492
|
|
|
493 (defun nnml-find-id (group id)
|
|
|
494 (erase-buffer)
|
|
|
495 (let ((nov (concat (nnmail-group-pathname group nnml-directory)
|
|
|
496 nnml-nov-file-name))
|
|
|
497 number found)
|
|
|
498 (when (file-exists-p nov)
|
|
98
|
499 (nnheader-insert-file-contents nov)
|
|
|
500 (while (and (not found)
|
|
0
|
501 (search-forward id nil t)) ; We find the ID.
|
|
|
502 ;; And the id is in the fourth field.
|
|
98
|
503 (if (not (and (search-backward "\t" nil t 4)
|
|
|
504 (not (search-backward"\t" (gnus-point-at-bol) t))))
|
|
|
505 (forward-line 1)
|
|
|
506 (beginning-of-line)
|
|
|
507 (setq found t)
|
|
|
508 ;; We return the article number.
|
|
|
509 (setq number
|
|
|
510 (condition-case ()
|
|
|
511 (read (current-buffer))
|
|
|
512 (error nil)))))
|
|
0
|
513 number)))
|
|
|
514
|
|
|
515 (defun nnml-retrieve-headers-with-nov (articles &optional fetch-old)
|
|
|
516 (if (or gnus-nov-is-evil nnml-nov-is-evil)
|
|
|
517 nil
|
|
98
|
518 (let ((nov (concat nnml-current-directory nnml-nov-file-name)))
|
|
0
|
519 (when (file-exists-p nov)
|
|
|
520 (save-excursion
|
|
|
521 (set-buffer nntp-server-buffer)
|
|
|
522 (erase-buffer)
|
|
98
|
523 (nnheader-insert-file-contents nov)
|
|
0
|
524 (if (and fetch-old
|
|
|
525 (not (numberp fetch-old)))
|
|
|
526 t ; Don't remove anything.
|
|
98
|
527 (nnheader-nov-delete-outside-range
|
|
|
528 (if fetch-old (max 1 (- (car articles) fetch-old))
|
|
|
529 (car articles))
|
|
|
530 (car (last articles)))
|
|
0
|
531 t))))))
|
|
|
532
|
|
|
533 (defun nnml-possibly-change-directory (group &optional server)
|
|
|
534 (when (and server
|
|
|
535 (not (nnml-server-opened server)))
|
|
|
536 (nnml-open-server server))
|
|
98
|
537 (if (not group)
|
|
|
538 t
|
|
0
|
539 (let ((pathname (nnmail-group-pathname group nnml-directory)))
|
|
|
540 (when (not (equal pathname nnml-current-directory))
|
|
|
541 (setq nnml-current-directory pathname
|
|
|
542 nnml-current-group group
|
|
98
|
543 nnml-article-file-alist nil))
|
|
|
544 (file-exists-p nnml-current-directory))))
|
|
0
|
545
|
|
|
546 (defun nnml-possibly-create-directory (group)
|
|
|
547 (let (dir dirs)
|
|
|
548 (setq dir (nnmail-group-pathname group nnml-directory))
|
|
|
549 (while (not (file-directory-p dir))
|
|
98
|
550 (push dir dirs)
|
|
0
|
551 (setq dir (file-name-directory (directory-file-name dir))))
|
|
|
552 (while dirs
|
|
|
553 (make-directory (directory-file-name (car dirs)))
|
|
|
554 (nnheader-message 5 "Creating mail directory %s" (car dirs))
|
|
|
555 (setq dirs (cdr dirs)))))
|
|
108
|
556
|
|
98
|
557 (defun nnml-save-mail (group-art)
|
|
0
|
558 "Called narrowed to an article."
|
|
98
|
559 (let (chars headers)
|
|
0
|
560 (setq chars (nnmail-insert-lines))
|
|
|
561 (nnmail-insert-xref group-art)
|
|
|
562 (run-hooks 'nnmail-prepare-save-mail-hook)
|
|
|
563 (run-hooks 'nnml-prepare-save-mail-hook)
|
|
|
564 (goto-char (point-min))
|
|
|
565 (while (looking-at "From ")
|
|
|
566 (replace-match "X-From-Line: ")
|
|
|
567 (forward-line 1))
|
|
98
|
568 ;; We save the article in all the groups it belongs in.
|
|
0
|
569 (let ((ga group-art)
|
|
|
570 first)
|
|
|
571 (while ga
|
|
|
572 (nnml-possibly-create-directory (caar ga))
|
|
108
|
573 (let ((file (concat (nnmail-group-pathname
|
|
0
|
574 (caar ga) nnml-directory)
|
|
|
575 (int-to-string (cdar ga)))))
|
|
|
576 (if first
|
|
|
577 ;; It was already saved, so we just make a hard link.
|
|
|
578 (funcall nnmail-crosspost-link-function first file t)
|
|
|
579 ;; Save the article.
|
|
108
|
580 (nnmail-write-region (point-min) (point-max) file nil
|
|
98
|
581 (if (nnheader-be-verbose 5) nil 'nomesg))
|
|
0
|
582 (setq first file)))
|
|
|
583 (setq ga (cdr ga))))
|
|
98
|
584 ;; Generate a nov line for this article. We generate the nov
|
|
0
|
585 ;; line after saving, because nov generation destroys the
|
|
108
|
586 ;; header.
|
|
0
|
587 (setq headers (nnml-parse-head chars))
|
|
|
588 ;; Output the nov line to all nov databases that should have it.
|
|
|
589 (let ((ga group-art))
|
|
|
590 (while ga
|
|
|
591 (nnml-add-nov (caar ga) (cdar ga) headers)
|
|
|
592 (setq ga (cdr ga))))
|
|
|
593 group-art))
|
|
|
594
|
|
|
595 (defun nnml-active-number (group)
|
|
|
596 "Compute the next article number in GROUP."
|
|
|
597 (let ((active (cadr (assoc group nnml-group-alist))))
|
|
|
598 ;; The group wasn't known to nnml, so we just create an active
|
|
108
|
599 ;; entry for it.
|
|
0
|
600 (unless active
|
|
|
601 ;; Perhaps the active file was corrupt? See whether
|
|
|
602 ;; there are any articles in this group.
|
|
|
603 (nnml-possibly-create-directory group)
|
|
|
604 (nnml-possibly-change-directory group)
|
|
|
605 (unless nnml-article-file-alist
|
|
|
606 (setq nnml-article-file-alist
|
|
|
607 (sort
|
|
|
608 (nnheader-article-to-file-alist nnml-current-directory)
|
|
|
609 (lambda (a1 a2) (< (car a1) (car a2))))))
|
|
|
610 (setq active
|
|
|
611 (if nnml-article-file-alist
|
|
|
612 (cons (caar nnml-article-file-alist)
|
|
|
613 (caar (last nnml-article-file-alist)))
|
|
|
614 (cons 1 0)))
|
|
98
|
615 (push (list group active) nnml-group-alist))
|
|
0
|
616 (setcdr active (1+ (cdr active)))
|
|
|
617 (while (file-exists-p
|
|
|
618 (concat (nnmail-group-pathname group nnml-directory)
|
|
|
619 (int-to-string (cdr active))))
|
|
|
620 (setcdr active (1+ (cdr active))))
|
|
|
621 (cdr active)))
|
|
|
622
|
|
|
623 (defun nnml-add-nov (group article headers)
|
|
|
624 "Add a nov line for the GROUP base."
|
|
108
|
625 (save-excursion
|
|
0
|
626 (set-buffer (nnml-open-nov group))
|
|
|
627 (goto-char (point-max))
|
|
|
628 (mail-header-set-number headers article)
|
|
|
629 (nnheader-insert-nov headers)))
|
|
|
630
|
|
|
631 (defsubst nnml-header-value ()
|
|
|
632 (buffer-substring (match-end 0) (progn (end-of-line) (point))))
|
|
|
633
|
|
|
634 (defun nnml-parse-head (chars &optional number)
|
|
|
635 "Parse the head of the current buffer."
|
|
|
636 (save-excursion
|
|
|
637 (save-restriction
|
|
|
638 (goto-char (point-min))
|
|
108
|
639 (narrow-to-region
|
|
0
|
640 (point)
|
|
|
641 (1- (or (search-forward "\n\n" nil t) (point-max))))
|
|
|
642 ;; Fold continuation lines.
|
|
|
643 (goto-char (point-min))
|
|
|
644 (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
|
|
|
645 (replace-match " " t t))
|
|
|
646 ;; Remove any tabs; they are too confusing.
|
|
|
647 (subst-char-in-region (point-min) (point-max) ?\t ? )
|
|
|
648 (let ((headers (nnheader-parse-head t)))
|
|
|
649 (mail-header-set-chars headers chars)
|
|
|
650 (mail-header-set-number headers number)
|
|
|
651 headers))))
|
|
|
652
|
|
|
653 (defun nnml-open-nov (group)
|
|
|
654 (or (cdr (assoc group nnml-nov-buffer-alist))
|
|
108
|
655 (let ((buffer (nnheader-find-file-noselect
|
|
0
|
656 (concat (nnmail-group-pathname group nnml-directory)
|
|
|
657 nnml-nov-file-name))))
|
|
|
658 (save-excursion
|
|
|
659 (set-buffer buffer)
|
|
|
660 (buffer-disable-undo (current-buffer)))
|
|
98
|
661 (push (cons group buffer) nnml-nov-buffer-alist)
|
|
0
|
662 buffer)))
|
|
|
663
|
|
|
664 (defun nnml-save-nov ()
|
|
|
665 (save-excursion
|
|
|
666 (while nnml-nov-buffer-alist
|
|
|
667 (when (buffer-name (cdar nnml-nov-buffer-alist))
|
|
|
668 (set-buffer (cdar nnml-nov-buffer-alist))
|
|
98
|
669 (when (buffer-modified-p)
|
|
|
670 (nnmail-write-region 1 (point-max) (buffer-file-name) nil 'nomesg))
|
|
0
|
671 (set-buffer-modified-p nil)
|
|
|
672 (kill-buffer (current-buffer)))
|
|
|
673 (setq nnml-nov-buffer-alist (cdr nnml-nov-buffer-alist)))))
|
|
|
674
|
|
|
675 ;;;###autoload
|
|
|
676 (defun nnml-generate-nov-databases ()
|
|
70
|
677 "Generate nov databases in all nnml directories."
|
|
0
|
678 (interactive)
|
|
108
|
679 ;; Read the active file to make sure we don't re-use articles
|
|
0
|
680 ;; numbers in empty groups.
|
|
|
681 (nnmail-activate 'nnml)
|
|
|
682 (nnml-open-server (or (nnoo-current-server 'nnml) ""))
|
|
|
683 (setq nnml-directory (expand-file-name nnml-directory))
|
|
|
684 ;; Recurse down the directories.
|
|
70
|
685 (nnml-generate-nov-databases-1 nnml-directory)
|
|
0
|
686 ;; Save the active file.
|
|
|
687 (nnmail-save-active nnml-group-alist nnml-active-file))
|
|
|
688
|
|
98
|
689 (defun nnml-generate-nov-databases-1 (dir &optional seen)
|
|
0
|
690 (setq dir (file-name-as-directory dir))
|
|
98
|
691 ;; Only scan this sub-tree if we haven't been here yet.
|
|
|
692 (unless (member (file-truename dir) seen)
|
|
|
693 (push (file-truename dir) seen)
|
|
|
694 ;; We descend recursively
|
|
|
695 (let ((dirs (directory-files dir t nil t))
|
|
|
696 dir)
|
|
|
697 (while (setq dir (pop dirs))
|
|
|
698 (when (and (not (member (file-name-nondirectory dir) '("." "..")))
|
|
|
699 (file-directory-p dir))
|
|
|
700 (nnml-generate-nov-databases-1 dir seen))))
|
|
|
701 ;; Do this directory.
|
|
|
702 (let ((files (sort (nnheader-article-to-file-alist dir)
|
|
|
703 (lambda (a b) (< (car a) (car b))))))
|
|
|
704 (when files
|
|
|
705 (funcall nnml-generate-active-function dir)
|
|
|
706 ;; Generate the nov file.
|
|
|
707 (nnml-generate-nov-file dir files)))))
|
|
0
|
708
|
|
|
709 (defvar files)
|
|
|
710 (defun nnml-generate-active-info (dir)
|
|
|
711 ;; Update the active info for this group.
|
|
108
|
712 (let ((group (nnheader-file-to-group
|
|
0
|
713 (directory-file-name dir) nnml-directory)))
|
|
|
714 (setq nnml-group-alist
|
|
|
715 (delq (assoc group nnml-group-alist) nnml-group-alist))
|
|
|
716 (push (list group
|
|
98
|
717 (cons (caar files)
|
|
0
|
718 (let ((f files))
|
|
|
719 (while (cdr f) (setq f (cdr f)))
|
|
98
|
720 (caar f))))
|
|
0
|
721 nnml-group-alist)))
|
|
|
722
|
|
|
723 (defun nnml-generate-nov-file (dir files)
|
|
|
724 (let* ((dir (file-name-as-directory dir))
|
|
|
725 (nov (concat dir nnml-nov-file-name))
|
|
|
726 (nov-buffer (get-buffer-create " *nov*"))
|
|
98
|
727 chars file headers)
|
|
0
|
728 (save-excursion
|
|
|
729 ;; Init the nov buffer.
|
|
|
730 (set-buffer nov-buffer)
|
|
|
731 (buffer-disable-undo (current-buffer))
|
|
|
732 (erase-buffer)
|
|
|
733 (set-buffer nntp-server-buffer)
|
|
|
734 ;; Delete the old NOV file.
|
|
|
735 (when (file-exists-p nov)
|
|
|
736 (funcall nnmail-delete-file-function nov))
|
|
|
737 (while files
|
|
98
|
738 (unless (file-directory-p (setq file (concat dir (cdar files))))
|
|
0
|
739 (erase-buffer)
|
|
98
|
740 (nnheader-insert-file-contents file)
|
|
108
|
741 (narrow-to-region
|
|
0
|
742 (goto-char (point-min))
|
|
|
743 (progn
|
|
|
744 (search-forward "\n\n" nil t)
|
|
|
745 (setq chars (- (point-max) (point)))
|
|
|
746 (max 1 (1- (point)))))
|
|
|
747 (when (and (not (= 0 chars)) ; none of them empty files...
|
|
|
748 (not (= (point-min) (point-max))))
|
|
|
749 (goto-char (point-min))
|
|
98
|
750 (setq headers (nnml-parse-head chars (caar files)))
|
|
0
|
751 (save-excursion
|
|
|
752 (set-buffer nov-buffer)
|
|
|
753 (goto-char (point-max))
|
|
|
754 (nnheader-insert-nov headers)))
|
|
|
755 (widen))
|
|
|
756 (setq files (cdr files)))
|
|
|
757 (save-excursion
|
|
|
758 (set-buffer nov-buffer)
|
|
98
|
759 (nnmail-write-region 1 (point-max) nov nil 'nomesg)
|
|
0
|
760 (kill-buffer (current-buffer))))))
|
|
|
761
|
|
|
762 (defun nnml-nov-delete-article (group article)
|
|
|
763 (save-excursion
|
|
|
764 (set-buffer (nnml-open-nov group))
|
|
98
|
765 (when (nnheader-find-nov-line article)
|
|
|
766 (delete-region (point) (progn (forward-line 1) (point)))
|
|
|
767 (when (bobp)
|
|
|
768 (let ((active (cadr (assoc group nnml-group-alist)))
|
|
|
769 num)
|
|
|
770 (when active
|
|
|
771 (if (eobp)
|
|
|
772 (setf (car active) (1+ (cdr active)))
|
|
|
773 (when (and (setq num (ignore-errors (read (current-buffer))))
|
|
|
774 (numberp num))
|
|
|
775 (setf (car active) num)))))))
|
|
0
|
776 t))
|
|
|
777
|
|
104
|
778 (defun nnml-update-file-alist ()
|
|
|
779 (unless nnml-article-file-alist
|
|
|
780 (setq nnml-article-file-alist
|
|
|
781 (nnheader-article-to-file-alist nnml-current-directory))))
|
|
|
782
|
|
0
|
783 (provide 'nnml)
|
|
|
784
|
|
|
785 ;;; nnml.el ends here
|
