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1 ;;; gnus-srvr.el --- virtual server support 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 ;; Keywords: news
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6
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7 ;; This file is part of GNU Emacs.
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8
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9 ;; GNU Emacs is free software; you can redistribute it and/or modify
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10 ;; it under the terms of the GNU General Public License as published by
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11 ;; the Free Software Foundation; either version 2, or (at your option)
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12 ;; any later version.
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13
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14 ;; GNU Emacs is distributed in the hope that it will be useful,
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15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 ;; GNU General Public License for more details.
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18
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19 ;; You should have received a copy of the GNU General Public License
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20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
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21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 ;; Boston, MA 02111-1307, USA.
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23
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24 ;;; Commentary:
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25
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26 ;;; Code:
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27
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28 (require 'gnus)
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29 (require 'gnus-spec)
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30 (require 'gnus-group)
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31 (require 'gnus-int)
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32 (require 'gnus-range)
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33
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34 (defvar gnus-server-mode-hook nil
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35 "Hook run in `gnus-server-mode' buffers.")
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36
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37 (defconst gnus-server-line-format " {%(%h:%w%)} %s\n"
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38 "Format of server lines.
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39 It works along the same lines as a normal formatting string,
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40 with some simple extensions.")
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41
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42 (defvar gnus-server-mode-line-format "Gnus List of servers"
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43 "The format specification for the server mode line.")
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44
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45 (defvar gnus-server-exit-hook nil
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46 "*Hook run when exiting the server buffer.")
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47
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48 ;;; Internal variables.
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49
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50 (defvar gnus-inserted-opened-servers nil)
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51
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52 (defvar gnus-server-line-format-alist
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53 `((?h how ?s)
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54 (?n name ?s)
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55 (?w where ?s)
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56 (?s status ?s)))
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57
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58 (defvar gnus-server-mode-line-format-alist
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59 `((?S news-server ?s)
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60 (?M news-method ?s)
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61 (?u user-defined ?s)))
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62
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63 (defvar gnus-server-line-format-spec nil)
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64 (defvar gnus-server-mode-line-format-spec nil)
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65 (defvar gnus-server-killed-servers nil)
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66
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67 (defvar gnus-server-mode-map)
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68
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69 (defvar gnus-server-menu-hook nil
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70 "*Hook run after the creation of the server mode menu.")
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71
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72 (defun gnus-server-make-menu-bar ()
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73 (gnus-turn-off-edit-menu 'server)
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74 (unless (boundp 'gnus-server-server-menu)
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75 (easy-menu-define
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76 gnus-server-server-menu gnus-server-mode-map ""
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77 '("Server"
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78 ["Add" gnus-server-add-server t]
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79 ["Browse" gnus-server-read-server t]
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80 ["Scan" gnus-server-scan-server t]
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81 ["List" gnus-server-list-servers t]
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82 ["Kill" gnus-server-kill-server t]
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83 ["Yank" gnus-server-yank-server t]
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84 ["Copy" gnus-server-copy-server t]
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85 ["Edit" gnus-server-edit-server t]
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86 ["Regenerate" gnus-server-regenerate-server t]
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87 ["Exit" gnus-server-exit t]))
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88
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89 (easy-menu-define
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90 gnus-server-connections-menu gnus-server-mode-map ""
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91 '("Connections"
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92 ["Open" gnus-server-open-server t]
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93 ["Close" gnus-server-close-server t]
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94 ["Deny" gnus-server-deny-server t]
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95 "---"
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96 ["Open All" gnus-server-open-all-servers t]
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97 ["Close All" gnus-server-close-all-servers t]
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98 ["Reset All" gnus-server-remove-denials t]))
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99
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100 (run-hooks 'gnus-server-menu-hook)))
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101
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102 (defvar gnus-server-mode-map nil)
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103 (put 'gnus-server-mode 'mode-class 'special)
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104
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105 (unless gnus-server-mode-map
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106 (setq gnus-server-mode-map (make-sparse-keymap))
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107 (suppress-keymap gnus-server-mode-map)
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108
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109 (gnus-define-keys
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110 gnus-server-mode-map
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111 " " gnus-server-read-server
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112 "\r" gnus-server-read-server
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113 gnus-mouse-2 gnus-server-pick-server
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114 "q" gnus-server-exit
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115 "l" gnus-server-list-servers
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116 "k" gnus-server-kill-server
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117 "y" gnus-server-yank-server
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118 "c" gnus-server-copy-server
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119 "a" gnus-server-add-server
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120 "e" gnus-server-edit-server
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121 "s" gnus-server-scan-server
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122
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123 "O" gnus-server-open-server
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124 "\M-o" gnus-server-open-all-servers
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125 "C" gnus-server-close-server
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126 "\M-c" gnus-server-close-all-servers
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127 "D" gnus-server-deny-server
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128 "R" gnus-server-remove-denials
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129
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130 "g" gnus-server-regenerate-server
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131
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132 "\C-c\C-i" gnus-info-find-node))
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133
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134 (defun gnus-server-mode ()
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135 "Major mode for listing and editing servers.
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136
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137 All normal editing commands are switched off.
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138 \\<gnus-server-mode-map>
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139 For more in-depth information on this mode, read the manual
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140 (`\\[gnus-info-find-node]').
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141
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142 The following commands are available:
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143
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144 \\{gnus-server-mode-map}"
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145 (interactive)
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146 (when (gnus-visual-p 'server-menu 'menu)
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147 (gnus-server-make-menu-bar))
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148 (kill-all-local-variables)
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149 (gnus-simplify-mode-line)
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150 (setq major-mode 'gnus-server-mode)
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151 (setq mode-name "Server")
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152 (gnus-set-default-directory)
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153 (setq mode-line-process nil)
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154 (use-local-map gnus-server-mode-map)
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155 (buffer-disable-undo (current-buffer))
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156 (setq truncate-lines t)
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157 (setq buffer-read-only t)
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158 (run-hooks 'gnus-server-mode-hook))
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159
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160 (defun gnus-server-insert-server-line (name method)
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161 (let* ((how (car method))
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162 (where (nth 1 method))
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163 (elem (assoc method gnus-opened-servers))
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164 (status (cond ((eq (nth 1 elem) 'denied)
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165 "(denied)")
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166 ((or (gnus-server-opened method)
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167 (eq (nth 1 elem) 'ok))
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168 "(opened)")
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169 (t
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170 "(closed)"))))
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171 (beginning-of-line)
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172 (gnus-add-text-properties
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173 (point)
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174 (prog1 (1+ (point))
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175 ;; Insert the text.
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176 (eval gnus-server-line-format-spec))
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177 (list 'gnus-server (intern name)))))
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178
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179 (defun gnus-enter-server-buffer ()
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180 "Set up the server buffer."
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181 (gnus-server-setup-buffer)
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182 (gnus-configure-windows 'server)
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183 (gnus-server-prepare))
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184
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185 (defun gnus-server-setup-buffer ()
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186 "Initialize the server buffer."
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187 (unless (get-buffer gnus-server-buffer)
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188 (save-excursion
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189 (set-buffer (get-buffer-create gnus-server-buffer))
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190 (gnus-server-mode)
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191 (when gnus-carpal
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192 (gnus-carpal-setup-buffer 'server)))))
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193
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194 (defun gnus-server-prepare ()
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195 (setq gnus-server-mode-line-format-spec
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196 (gnus-parse-format gnus-server-mode-line-format
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197 gnus-server-mode-line-format-alist))
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198 (setq gnus-server-line-format-spec
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199 (gnus-parse-format gnus-server-line-format
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200 gnus-server-line-format-alist t))
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201 (let ((alist gnus-server-alist)
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202 (buffer-read-only nil)
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203 (opened gnus-opened-servers)
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204 done server op-ser)
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205 (erase-buffer)
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206 (setq gnus-inserted-opened-servers nil)
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207 ;; First we do the real list of servers.
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208 (while alist
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209 (push (caar alist) done)
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210 (cdr (setq server (pop alist)))
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211 (when (and server (car server) (cdr server))
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212 (gnus-server-insert-server-line (car server) (cdr server))))
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213 ;; Then we insert the list of servers that have been opened in
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214 ;; this session.
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215 (while opened
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216 (unless (member (cadaar opened) done)
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217 (push (cadaar opened) done)
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218 (gnus-server-insert-server-line
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219 (setq op-ser (format "%s:%s" (caaar opened) (nth 1 (caar opened))))
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220 (caar opened))
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221 (push (list op-ser (caar opened)) gnus-inserted-opened-servers))
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222 (setq opened (cdr opened))))
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223 (goto-char (point-min))
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224 (gnus-server-position-point))
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225
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226 (defun gnus-server-server-name ()
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227 (let ((server (get-text-property (point-at-bol) 'gnus-server)))
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228 (and server (symbol-name server))))
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229
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230 (defalias 'gnus-server-position-point 'gnus-goto-colon)
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231
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232 (defconst gnus-server-edit-buffer "*Gnus edit server*")
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233
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234 (defun gnus-server-update-server (server)
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235 (save-excursion
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236 (set-buffer gnus-server-buffer)
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237 (let* ((buffer-read-only nil)
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238 (entry (assoc server gnus-server-alist))
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239 (oentry (assoc (gnus-server-to-method server)
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240 gnus-opened-servers)))
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241 (when entry
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242 (gnus-dribble-enter
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243 (concat "(gnus-server-set-info \"" server "\" '"
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244 (prin1-to-string (cdr entry)) ")
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245 ")))
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246 (when (or entry oentry)
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247 ;; Buffer may be narrowed.
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248 (save-restriction
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249 (widen)
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250 (when (gnus-server-goto-server server)
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251 (gnus-delete-line))
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252 (if entry
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253 (gnus-server-insert-server-line (car entry) (cdr entry))
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254 (gnus-server-insert-server-line
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255 (format "%s:%s" (caar oentry) (nth 1 (car oentry)))
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256 (car oentry)))
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257 (gnus-server-position-point))))))
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258
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259 (defun gnus-server-set-info (server info)
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260 ;; Enter a select method into the virtual server alist.
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261 (when (and server info)
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262 (gnus-dribble-enter
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263 (concat "(gnus-server-set-info \"" server "\" '"
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264 (prin1-to-string info) ")"))
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265 (let* ((server (nth 1 info))
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266 (entry (assoc server gnus-server-alist)))
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267 (if entry (setcdr entry info)
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268 (setq gnus-server-alist
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269 (nconc gnus-server-alist (list (cons server info))))))))
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270
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271 ;;; Interactive server functions.
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272
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273 (defun gnus-server-kill-server (server)
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274 "Kill the server on the current line."
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275 (interactive (list (gnus-server-server-name)))
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276 (unless (gnus-server-goto-server server)
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277 (if server (error "No such server: %s" server)
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278 (error "No server on the current line")))
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279 (unless (assoc server gnus-server-alist)
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280 (error "Read-only server %s" server))
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281 (gnus-dribble-enter "")
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282 (let ((buffer-read-only nil))
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283 (gnus-delete-line))
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284 (push (assoc server gnus-server-alist) gnus-server-killed-servers)
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285 (setq gnus-server-alist (delq (car gnus-server-killed-servers)
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286 gnus-server-alist))
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287 (gnus-server-position-point))
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288
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289 (defun gnus-server-yank-server ()
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290 "Yank the previously killed server."
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291 (interactive)
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292 (unless gnus-server-killed-servers
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293 (error "No killed servers to be yanked"))
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294 (let ((alist gnus-server-alist)
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295 (server (gnus-server-server-name))
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296 (killed (car gnus-server-killed-servers)))
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297 (if (not server)
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298 (setq gnus-server-alist (nconc gnus-server-alist (list killed)))
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299 (if (string= server (caar gnus-server-alist))
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300 (push killed gnus-server-alist)
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301 (while (and (cdr alist)
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302 (not (string= server (caadr alist))))
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303 (setq alist (cdr alist)))
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304 (if alist
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305 (setcdr alist (cons killed (cdr alist)))
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306 (setq gnus-server-alist (list killed)))))
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307 (gnus-server-update-server (car killed))
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308 (setq gnus-server-killed-servers (cdr gnus-server-killed-servers))
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309 (gnus-server-position-point)))
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310
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311 (defun gnus-server-exit ()
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312 "Return to the group buffer."
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313 (interactive)
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314 (kill-buffer (current-buffer))
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315 (switch-to-buffer gnus-group-buffer)
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316 (run-hooks 'gnus-server-exit-hook))
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317
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318 (defun gnus-server-list-servers ()
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319 "List all available servers."
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320 (interactive)
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321 (let ((cur (gnus-server-server-name)))
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322 (gnus-server-prepare)
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323 (if cur (gnus-server-goto-server cur)
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324 (goto-char (point-max))
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325 (forward-line -1))
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326 (gnus-server-position-point)))
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327
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328 (defun gnus-server-set-status (method status)
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329 "Make METHOD have STATUS."
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330 (let ((entry (assoc method gnus-opened-servers)))
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331 (if entry
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332 (setcar (cdr entry) status)
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333 (push (list method status) gnus-opened-servers))))
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334
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335 (defun gnus-opened-servers-remove (method)
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336 "Remove METHOD from the list of opened servers."
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337 (setq gnus-opened-servers (delq (assoc method gnus-opened-servers)
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338 gnus-opened-servers)))
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339
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340 (defun gnus-server-open-server (server)
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341 "Force an open of SERVER."
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342 (interactive (list (gnus-server-server-name)))
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343 (let ((method (gnus-server-to-method server)))
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16
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344 (unless method
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345 (error "No such server: %s" server))
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346 (gnus-server-set-status method 'ok)
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347 (prog1
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348 (or (gnus-open-server method)
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349 (progn (message "Couldn't open %s" server) nil))
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350 (gnus-server-update-server server)
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351 (gnus-server-position-point))))
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352
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353 (defun gnus-server-open-all-servers ()
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354 "Open all servers."
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355 (interactive)
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356 (let ((servers gnus-inserted-opened-servers))
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357 (while servers
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358 (gnus-server-open-server (car (pop servers))))))
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359
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360 (defun gnus-server-close-server (server)
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361 "Close SERVER."
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362 (interactive (list (gnus-server-server-name)))
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363 (let ((method (gnus-server-to-method server)))
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16
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364 (unless method
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365 (error "No such server: %s" server))
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366 (gnus-server-set-status method 'closed)
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367 (prog1
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368 (gnus-close-server method)
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369 (gnus-server-update-server server)
|
|
|
370 (gnus-server-position-point))))
|
|
|
371
|
|
16
|
372 (defun gnus-server-close-all-servers ()
|
|
|
373 "Close all servers."
|
|
|
374 (interactive)
|
|
|
375 (let ((servers gnus-inserted-opened-servers))
|
|
|
376 (while servers
|
|
|
377 (gnus-server-close-server (car (pop servers))))))
|
|
|
378
|
|
0
|
379 (defun gnus-server-deny-server (server)
|
|
|
380 "Make sure SERVER will never be attempted opened."
|
|
|
381 (interactive (list (gnus-server-server-name)))
|
|
|
382 (let ((method (gnus-server-to-method server)))
|
|
16
|
383 (unless method
|
|
|
384 (error "No such server: %s" server))
|
|
0
|
385 (gnus-server-set-status method 'denied))
|
|
|
386 (gnus-server-update-server server)
|
|
|
387 (gnus-server-position-point)
|
|
|
388 t)
|
|
|
389
|
|
|
390 (defun gnus-server-remove-denials ()
|
|
|
391 "Make all denied servers into closed servers."
|
|
|
392 (interactive)
|
|
|
393 (let ((servers gnus-opened-servers))
|
|
|
394 (while servers
|
|
|
395 (when (eq (nth 1 (car servers)) 'denied)
|
|
|
396 (setcar (nthcdr 1 (car servers)) 'closed))
|
|
|
397 (setq servers (cdr servers))))
|
|
|
398 (gnus-server-list-servers))
|
|
|
399
|
|
|
400 (defun gnus-server-copy-server (from to)
|
|
|
401 (interactive
|
|
|
402 (list
|
|
16
|
403 (unless (gnus-server-server-name)
|
|
|
404 (error "No server on the current line"))
|
|
0
|
405 (read-string "Copy to: ")))
|
|
16
|
406 (unless from
|
|
|
407 (error "No server on current line"))
|
|
|
408 (unless (and to (not (string= to "")))
|
|
|
409 (error "No name to copy to"))
|
|
|
410 (when (assoc to gnus-server-alist)
|
|
|
411 (error "%s already exists" to))
|
|
|
412 (unless (assoc from gnus-server-alist)
|
|
|
413 (error "%s: no such server" from))
|
|
0
|
414 (let ((to-entry (gnus-copy-sequence (assoc from gnus-server-alist))))
|
|
|
415 (setcar to-entry to)
|
|
|
416 (setcar (nthcdr 2 to-entry) to)
|
|
16
|
417 (push to-entry gnus-server-killed-servers)
|
|
0
|
418 (gnus-server-yank-server)))
|
|
|
419
|
|
|
420 (defun gnus-server-add-server (how where)
|
|
|
421 (interactive
|
|
|
422 (list (intern (completing-read "Server method: "
|
|
|
423 gnus-valid-select-methods nil t))
|
|
|
424 (read-string "Server name: ")))
|
|
16
|
425 (when (assq where gnus-server-alist)
|
|
|
426 (error "Server with that name already defined"))
|
|
|
427 (push (list where how where) gnus-server-killed-servers)
|
|
0
|
428 (gnus-server-yank-server))
|
|
|
429
|
|
|
430 (defun gnus-server-goto-server (server)
|
|
|
431 "Jump to a server line."
|
|
|
432 (interactive
|
|
|
433 (list (completing-read "Goto server: " gnus-server-alist nil t)))
|
|
16
|
434 (let ((to (text-property-any (point-min) (point-max)
|
|
0
|
435 'gnus-server (intern server))))
|
|
16
|
436 (when to
|
|
|
437 (goto-char to)
|
|
|
438 (gnus-server-position-point))))
|
|
0
|
439
|
|
|
440 (defun gnus-server-edit-server (server)
|
|
|
441 "Edit the server on the current line."
|
|
|
442 (interactive (list (gnus-server-server-name)))
|
|
|
443 (unless server
|
|
|
444 (error "No server on current line"))
|
|
|
445 (unless (assoc server gnus-server-alist)
|
|
|
446 (error "This server can't be edited"))
|
|
16
|
447 (let ((info (cdr (assoc server gnus-server-alist))))
|
|
0
|
448 (gnus-close-server info)
|
|
16
|
449 (gnus-edit-form
|
|
|
450 info "Editing the server."
|
|
|
451 `(lambda (form)
|
|
|
452 (gnus-server-set-info ,server form)
|
|
|
453 (gnus-server-list-servers)
|
|
|
454 (gnus-server-position-point)))))
|
|
0
|
455
|
|
16
|
456 (defun gnus-server-scan-server (server)
|
|
|
457 "Request a scan from the current server."
|
|
|
458 (interactive (list (gnus-server-server-name)))
|
|
|
459 (gnus-message 3 "Scanning %s...done" server)
|
|
|
460 (gnus-request-scan nil (gnus-server-to-method server))
|
|
|
461 (gnus-message 3 "Scanning %s...done" server))
|
|
0
|
462
|
|
|
463 (defun gnus-server-read-server (server)
|
|
|
464 "Browse a server."
|
|
|
465 (interactive (list (gnus-server-server-name)))
|
|
|
466 (let ((buf (current-buffer)))
|
|
|
467 (prog1
|
|
|
468 (gnus-browse-foreign-server (gnus-server-to-method server) buf)
|
|
|
469 (save-excursion
|
|
|
470 (set-buffer buf)
|
|
|
471 (gnus-server-update-server (gnus-server-server-name))
|
|
|
472 (gnus-server-position-point)))))
|
|
|
473
|
|
|
474 (defun gnus-server-pick-server (e)
|
|
|
475 (interactive "e")
|
|
|
476 (mouse-set-point e)
|
|
|
477 (gnus-server-read-server (gnus-server-server-name)))
|
|
|
478
|
|
|
479
|
|
|
480 ;;;
|
|
|
481 ;;; Browse Server Mode
|
|
|
482 ;;;
|
|
|
483
|
|
|
484 (defvar gnus-browse-menu-hook nil
|
|
|
485 "*Hook run after the creation of the browse mode menu.")
|
|
|
486
|
|
|
487 (defvar gnus-browse-mode-hook nil)
|
|
|
488 (defvar gnus-browse-mode-map nil)
|
|
|
489 (put 'gnus-browse-mode 'mode-class 'special)
|
|
|
490
|
|
|
491 (unless gnus-browse-mode-map
|
|
|
492 (setq gnus-browse-mode-map (make-keymap))
|
|
|
493 (suppress-keymap gnus-browse-mode-map)
|
|
|
494
|
|
|
495 (gnus-define-keys
|
|
|
496 gnus-browse-mode-map
|
|
|
497 " " gnus-browse-read-group
|
|
|
498 "=" gnus-browse-select-group
|
|
|
499 "n" gnus-browse-next-group
|
|
|
500 "p" gnus-browse-prev-group
|
|
|
501 "\177" gnus-browse-prev-group
|
|
|
502 "N" gnus-browse-next-group
|
|
|
503 "P" gnus-browse-prev-group
|
|
|
504 "\M-n" gnus-browse-next-group
|
|
|
505 "\M-p" gnus-browse-prev-group
|
|
|
506 "\r" gnus-browse-select-group
|
|
|
507 "u" gnus-browse-unsubscribe-current-group
|
|
|
508 "l" gnus-browse-exit
|
|
|
509 "L" gnus-browse-exit
|
|
|
510 "q" gnus-browse-exit
|
|
|
511 "Q" gnus-browse-exit
|
|
|
512 "\C-c\C-c" gnus-browse-exit
|
|
|
513 "?" gnus-browse-describe-briefly
|
|
|
514
|
|
|
515 "\C-c\C-i" gnus-info-find-node))
|
|
|
516
|
|
|
517 (defun gnus-browse-make-menu-bar ()
|
|
16
|
518 (gnus-turn-off-edit-menu 'browse)
|
|
|
519 (unless (boundp 'gnus-browse-menu)
|
|
|
520 (easy-menu-define
|
|
|
521 gnus-browse-menu gnus-browse-mode-map ""
|
|
|
522 '("Browse"
|
|
|
523 ["Subscribe" gnus-browse-unsubscribe-current-group t]
|
|
|
524 ["Read" gnus-browse-read-group t]
|
|
|
525 ["Select" gnus-browse-read-group t]
|
|
|
526 ["Next" gnus-browse-next-group t]
|
|
|
527 ["Prev" gnus-browse-next-group t]
|
|
|
528 ["Exit" gnus-browse-exit t]
|
|
|
529 ))
|
|
|
530 (run-hooks 'gnus-browse-menu-hook)))
|
|
0
|
531
|
|
|
532 (defvar gnus-browse-current-method nil)
|
|
|
533 (defvar gnus-browse-return-buffer nil)
|
|
|
534
|
|
|
535 (defvar gnus-browse-buffer "*Gnus Browse Server*")
|
|
|
536
|
|
|
537 (defun gnus-browse-foreign-server (method &optional return-buffer)
|
|
|
538 "Browse the server METHOD."
|
|
|
539 (setq gnus-browse-current-method method)
|
|
|
540 (setq gnus-browse-return-buffer return-buffer)
|
|
|
541 (let ((gnus-select-method method)
|
|
|
542 groups group)
|
|
|
543 (gnus-message 5 "Connecting to %s..." (nth 1 method))
|
|
|
544 (cond
|
|
|
545 ((not (gnus-check-server method))
|
|
|
546 (gnus-message
|
|
|
547 1 "Unable to contact server: %s" (gnus-status-message method))
|
|
|
548 nil)
|
|
16
|
549 ((not
|
|
|
550 (prog2
|
|
|
551 (gnus-message 6 "Reading active file...")
|
|
|
552 (gnus-request-list method)
|
|
|
553 (gnus-message 6 "Reading active file...done")))
|
|
0
|
554 (gnus-message
|
|
|
555 1 "Couldn't request list: %s" (gnus-status-message method))
|
|
|
556 nil)
|
|
|
557 (t
|
|
|
558 (get-buffer-create gnus-browse-buffer)
|
|
|
559 (gnus-add-current-to-buffer-list)
|
|
16
|
560 (when gnus-carpal
|
|
|
561 (gnus-carpal-setup-buffer 'browse))
|
|
0
|
562 (gnus-configure-windows 'browse)
|
|
|
563 (buffer-disable-undo (current-buffer))
|
|
|
564 (let ((buffer-read-only nil))
|
|
|
565 (erase-buffer))
|
|
|
566 (gnus-browse-mode)
|
|
|
567 (setq mode-line-buffer-identification
|
|
|
568 (list
|
|
|
569 (format
|
|
|
570 "Gnus: %%b {%s:%s}" (car method) (cadr method))))
|
|
|
571 (save-excursion
|
|
|
572 (set-buffer nntp-server-buffer)
|
|
|
573 (let ((cur (current-buffer)))
|
|
|
574 (goto-char (point-min))
|
|
16
|
575 (unless (string= gnus-ignored-newsgroups "")
|
|
|
576 (delete-matching-lines gnus-ignored-newsgroups))
|
|
0
|
577 (while (re-search-forward
|
|
|
578 "\\(^[^ \t]+\\)[ \t]+[0-9]+[ \t]+[0-9]+" nil t)
|
|
|
579 (goto-char (match-end 1))
|
|
16
|
580 (push (cons (match-string 1)
|
|
|
581 (max 0 (- (1+ (read cur)) (read cur))))
|
|
|
582 groups))))
|
|
0
|
583 (setq groups (sort groups
|
|
|
584 (lambda (l1 l2)
|
|
|
585 (string< (car l1) (car l2)))))
|
|
|
586 (let ((buffer-read-only nil))
|
|
|
587 (while groups
|
|
|
588 (setq group (car groups))
|
|
|
589 (insert
|
|
|
590 (format "K%7d: %s\n" (cdr group) (car group)))
|
|
|
591 (setq groups (cdr groups))))
|
|
|
592 (switch-to-buffer (current-buffer))
|
|
|
593 (goto-char (point-min))
|
|
|
594 (gnus-group-position-point)
|
|
|
595 (gnus-message 5 "Connecting to %s...done" (nth 1 method))
|
|
|
596 t))))
|
|
|
597
|
|
|
598 (defun gnus-browse-mode ()
|
|
|
599 "Major mode for browsing a foreign server.
|
|
|
600
|
|
|
601 All normal editing commands are switched off.
|
|
|
602
|
|
|
603 \\<gnus-browse-mode-map>
|
|
|
604 The only things you can do in this buffer is
|
|
|
605
|
|
|
606 1) `\\[gnus-browse-unsubscribe-current-group]' to subscribe to a group.
|
|
|
607 The group will be inserted into the group buffer upon exit from this
|
|
|
608 buffer.
|
|
|
609
|
|
|
610 2) `\\[gnus-browse-read-group]' to read a group ephemerally.
|
|
|
611
|
|
|
612 3) `\\[gnus-browse-exit]' to return to the group buffer."
|
|
|
613 (interactive)
|
|
|
614 (kill-all-local-variables)
|
|
16
|
615 (when (gnus-visual-p 'browse-menu 'menu)
|
|
0
|
616 (gnus-browse-make-menu-bar))
|
|
|
617 (gnus-simplify-mode-line)
|
|
|
618 (setq major-mode 'gnus-browse-mode)
|
|
|
619 (setq mode-name "Browse Server")
|
|
|
620 (setq mode-line-process nil)
|
|
|
621 (use-local-map gnus-browse-mode-map)
|
|
|
622 (buffer-disable-undo (current-buffer))
|
|
|
623 (setq truncate-lines t)
|
|
16
|
624 (gnus-set-default-directory)
|
|
0
|
625 (setq buffer-read-only t)
|
|
|
626 (run-hooks 'gnus-browse-mode-hook))
|
|
|
627
|
|
|
628 (defun gnus-browse-read-group (&optional no-article)
|
|
|
629 "Enter the group at the current line."
|
|
|
630 (interactive)
|
|
16
|
631 (let ((group (gnus-group-real-name (gnus-browse-group-name))))
|
|
|
632 (unless (gnus-group-read-ephemeral-group
|
|
|
633 group gnus-browse-current-method nil
|
|
|
634 (cons (current-buffer) 'browse))
|
|
|
635 (error "Couldn't enter %s" group))))
|
|
0
|
636
|
|
|
637 (defun gnus-browse-select-group ()
|
|
|
638 "Select the current group."
|
|
|
639 (interactive)
|
|
|
640 (gnus-browse-read-group 'no))
|
|
|
641
|
|
|
642 (defun gnus-browse-next-group (n)
|
|
|
643 "Go to the next group."
|
|
|
644 (interactive "p")
|
|
|
645 (prog1
|
|
|
646 (forward-line n)
|
|
|
647 (gnus-group-position-point)))
|
|
|
648
|
|
|
649 (defun gnus-browse-prev-group (n)
|
|
|
650 "Go to the next group."
|
|
|
651 (interactive "p")
|
|
|
652 (gnus-browse-next-group (- n)))
|
|
|
653
|
|
|
654 (defun gnus-browse-unsubscribe-current-group (arg)
|
|
|
655 "(Un)subscribe to the next ARG groups."
|
|
|
656 (interactive "p")
|
|
|
657 (when (eobp)
|
|
|
658 (error "No group at current line."))
|
|
|
659 (let ((ward (if (< arg 0) -1 1))
|
|
|
660 (arg (abs arg)))
|
|
|
661 (while (and (> arg 0)
|
|
|
662 (not (eobp))
|
|
|
663 (gnus-browse-unsubscribe-group)
|
|
|
664 (zerop (gnus-browse-next-group ward)))
|
|
|
665 (decf arg))
|
|
|
666 (gnus-group-position-point)
|
|
16
|
667 (when (/= 0 arg)
|
|
|
668 (gnus-message 7 "No more newsgroups"))
|
|
0
|
669 arg))
|
|
|
670
|
|
|
671 (defun gnus-browse-group-name ()
|
|
|
672 (save-excursion
|
|
|
673 (beginning-of-line)
|
|
16
|
674 (when (re-search-forward ": \\(.*\\)$" (point-at-eol) t)
|
|
0
|
675 (gnus-group-prefixed-name (match-string 1) gnus-browse-current-method))))
|
|
|
676
|
|
|
677 (defun gnus-browse-unsubscribe-group ()
|
|
|
678 "Toggle subscription of the current group in the browse buffer."
|
|
|
679 (let ((sub nil)
|
|
|
680 (buffer-read-only nil)
|
|
|
681 group)
|
|
|
682 (save-excursion
|
|
|
683 (beginning-of-line)
|
|
|
684 ;; If this group it killed, then we want to subscribe it.
|
|
16
|
685 (when (= (following-char) ?K)
|
|
|
686 (setq sub t))
|
|
0
|
687 (setq group (gnus-browse-group-name))
|
|
16
|
688 ;; Make sure the group has been properly removed before we
|
|
|
689 ;; subscribe to it.
|
|
|
690 (gnus-kill-ephemeral-group group)
|
|
0
|
691 (delete-char 1)
|
|
|
692 (if sub
|
|
|
693 (progn
|
|
|
694 (gnus-group-change-level
|
|
|
695 (list t group gnus-level-default-subscribed
|
|
|
696 nil nil gnus-browse-current-method)
|
|
|
697 gnus-level-default-subscribed gnus-level-killed
|
|
|
698 (and (car (nth 1 gnus-newsrc-alist))
|
|
|
699 (gnus-gethash (car (nth 1 gnus-newsrc-alist))
|
|
|
700 gnus-newsrc-hashtb))
|
|
|
701 t)
|
|
|
702 (insert ? ))
|
|
|
703 (gnus-group-change-level
|
|
|
704 group gnus-level-killed gnus-level-default-subscribed)
|
|
|
705 (insert ?K)))
|
|
|
706 t))
|
|
|
707
|
|
|
708 (defun gnus-browse-exit ()
|
|
|
709 "Quit browsing and return to the group buffer."
|
|
|
710 (interactive)
|
|
|
711 (when (eq major-mode 'gnus-browse-mode)
|
|
|
712 (kill-buffer (current-buffer)))
|
|
|
713 ;; Insert the newly subscribed groups in the group buffer.
|
|
|
714 (save-excursion
|
|
|
715 (set-buffer gnus-group-buffer)
|
|
|
716 (gnus-group-list-groups nil))
|
|
|
717 (if gnus-browse-return-buffer
|
|
|
718 (gnus-configure-windows 'server 'force)
|
|
|
719 (gnus-configure-windows 'group 'force)))
|
|
|
720
|
|
|
721 (defun gnus-browse-describe-briefly ()
|
|
|
722 "Give a one line description of the group mode commands."
|
|
|
723 (interactive)
|
|
|
724 (gnus-message 6
|
|
|
725 (substitute-command-keys "\\<gnus-browse-mode-map>\\[gnus-group-next-group]:Forward \\[gnus-group-prev-group]:Backward \\[gnus-browse-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-browse-describe-briefly]:This help")))
|
|
|
726
|
|
16
|
727 (defun gnus-server-regenerate-server ()
|
|
|
728 "Issue a command to the server to regenerate all its data structures."
|
|
|
729 (interactive)
|
|
|
730 (let ((server (gnus-server-server-name)))
|
|
|
731 (unless server
|
|
|
732 (error "No server on the current line"))
|
|
|
733 (if (not (gnus-check-backend-function
|
|
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734 'request-regenerate (car (gnus-server-to-method server))))
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735 (error "This backend doesn't support regeneration")
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736 (gnus-message 5 "Requesing regeneration of %s..." server)
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737 (when (gnus-request-regenerate server)
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738 (gnus-message 5 "Requesing regeneration of %s...done" server)))))
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739
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0
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740 (provide 'gnus-srvr)
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741
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742 ;;; gnus-srvr.el ends here.
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