HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| df80b09f | 1 | ;;; gnus-agent.el --- unplugged support for Gnus |
| 16409b0b | 2 | ;; Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. |
| df80b09f LMI |
3 | |
| 4 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> | |
| 5 | ;; This file is part of GNU Emacs. | |
| 6 | ||
| 7 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
| 8 | ;; it under the terms of the GNU General Public License as published by | |
| 9 | ;; the Free Software Foundation; either version 2, or (at your option) | |
| 10 | ;; any later version. | |
| 11 | ||
| 12 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
| 13 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | ;; GNU General Public License for more details. | |
| 16 | ||
| 17 | ;; You should have received a copy of the GNU General Public License | |
| 18 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
| 19 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | ;; Boston, MA 02111-1307, USA. | |
| 21 | ||
| 22 | ;;; Commentary: | |
| 23 | ||
| 24 | ;;; Code: | |
| 25 | ||
| 26 | (require 'gnus) | |
| 27 | (require 'gnus-cache) | |
| 28 | (require 'nnvirtual) | |
| 29 | (require 'gnus-sum) | |
| 03f20b47 | 30 | (require 'gnus-score) |
| 16409b0b | 31 | (eval-when-compile |
| 03f20b47 DL |
32 | (if (featurep 'xemacs) |
| 33 | (require 'itimer) | |
| 34 | (require 'timer)) | |
| 35 | (require 'cl)) | |
| df80b09f LMI |
36 | |
| 37 | (defcustom gnus-agent-directory (nnheader-concat gnus-directory "agent/") | |
| 38 | "Where the Gnus agent will store its files." | |
| 39 | :group 'gnus-agent | |
| 40 | :type 'directory) | |
| 41 | ||
| 42 | (defcustom gnus-agent-plugged-hook nil | |
| 43 | "Hook run when plugging into the network." | |
| 44 | :group 'gnus-agent | |
| 45 | :type 'hook) | |
| 46 | ||
| 47 | (defcustom gnus-agent-unplugged-hook nil | |
| 48 | "Hook run when unplugging from the network." | |
| 49 | :group 'gnus-agent | |
| 50 | :type 'hook) | |
| 51 | ||
| 52 | (defcustom gnus-agent-handle-level gnus-level-subscribed | |
| 53 | "Groups on levels higher than this variable will be ignored by the Agent." | |
| 54 | :group 'gnus-agent | |
| 55 | :type 'integer) | |
| 56 | ||
| 57 | (defcustom gnus-agent-expire-days 7 | |
| 58 | "Read articles older than this will be expired." | |
| 59 | :group 'gnus-agent | |
| 60 | :type 'integer) | |
| 61 | ||
| 62 | (defcustom gnus-agent-expire-all nil | |
| 63 | "If non-nil, also expire unread, ticked and dormant articles. | |
| 64 | If nil, only read articles will be expired." | |
| 65 | :group 'gnus-agent | |
| 66 | :type 'boolean) | |
| 67 | ||
| 68 | (defcustom gnus-agent-group-mode-hook nil | |
| 69 | "Hook run in Agent group minor modes." | |
| 70 | :group 'gnus-agent | |
| 71 | :type 'hook) | |
| 72 | ||
| 73 | (defcustom gnus-agent-summary-mode-hook nil | |
| 74 | "Hook run in Agent summary minor modes." | |
| 75 | :group 'gnus-agent | |
| 76 | :type 'hook) | |
| 77 | ||
| 78 | (defcustom gnus-agent-server-mode-hook nil | |
| 79 | "Hook run in Agent summary minor modes." | |
| 80 | :group 'gnus-agent | |
| 81 | :type 'hook) | |
| 82 | ||
| 16409b0b GM |
83 | (defcustom gnus-agent-confirmation-function 'y-or-n-p |
| 84 | "Function to confirm when error happens." | |
| 850846fd | 85 | :version "21.1" |
| 16409b0b GM |
86 | :group 'gnus-agent |
| 87 | :type 'function) | |
| df80b09f | 88 | |
| 03f20b47 DL |
89 | (defcustom gnus-agent-synchronize-flags 'ask |
| 90 | "Indicate if flags are synchronized when you plug in. | |
| 91 | If this is `ask' the hook will query the user." | |
| 850846fd | 92 | :version "21.1" |
| 03f20b47 DL |
93 | :type '(choice (const :tag "Always" t) |
| 94 | (const :tag "Never" nil) | |
| 95 | (const :tag "Ask" ask)) | |
| 96 | :group 'gnus-agent) | |
| 97 | ||
| 16409b0b | 98 | ;;; Internal variables |
| df80b09f LMI |
99 | |
| 100 | (defvar gnus-agent-history-buffers nil) | |
| 101 | (defvar gnus-agent-buffer-alist nil) | |
| 102 | (defvar gnus-agent-article-alist nil) | |
| 103 | (defvar gnus-agent-group-alist nil) | |
| 104 | (defvar gnus-agent-covered-methods nil) | |
| 105 | (defvar gnus-category-alist nil) | |
| 106 | (defvar gnus-agent-current-history nil) | |
| 107 | (defvar gnus-agent-overview-buffer nil) | |
| 108 | (defvar gnus-category-predicate-cache nil) | |
| 109 | (defvar gnus-category-group-cache nil) | |
| 110 | (defvar gnus-agent-spam-hashtb nil) | |
| 111 | (defvar gnus-agent-file-name nil) | |
| 112 | (defvar gnus-agent-send-mail-function nil) | |
| 16409b0b GM |
113 | (defvar gnus-agent-file-coding-system 'raw-text) |
| 114 | ||
| df80b09f LMI |
115 | ;; Dynamic variables |
| 116 | (defvar gnus-headers) | |
| 117 | (defvar gnus-score) | |
| 118 | ||
| 119 | ;;; | |
| 120 | ;;; Setup | |
| 121 | ;;; | |
| 122 | ||
| 123 | (defun gnus-open-agent () | |
| 124 | (setq gnus-agent t) | |
| 125 | (gnus-agent-read-servers) | |
| 126 | (gnus-category-read) | |
| 16409b0b | 127 | (gnus-agent-create-buffer) |
| df80b09f LMI |
128 | (add-hook 'gnus-group-mode-hook 'gnus-agent-mode) |
| 129 | (add-hook 'gnus-summary-mode-hook 'gnus-agent-mode) | |
| 130 | (add-hook 'gnus-server-mode-hook 'gnus-agent-mode)) | |
| 131 | ||
| 16409b0b GM |
132 | (defun gnus-agent-create-buffer () |
| 133 | (if (gnus-buffer-live-p gnus-agent-overview-buffer) | |
| 134 | t | |
| 135 | (setq gnus-agent-overview-buffer | |
| 136 | (gnus-get-buffer-create " *Gnus agent overview*")) | |
| 137 | (with-current-buffer gnus-agent-overview-buffer | |
| 138 | (mm-enable-multibyte)) | |
| 139 | nil)) | |
| 140 | ||
| df80b09f LMI |
141 | (gnus-add-shutdown 'gnus-close-agent 'gnus) |
| 142 | ||
| 143 | (defun gnus-close-agent () | |
| 144 | (setq gnus-agent-covered-methods nil | |
| 145 | gnus-category-predicate-cache nil | |
| 146 | gnus-category-group-cache nil | |
| 147 | gnus-agent-spam-hashtb nil) | |
| 148 | (gnus-kill-buffer gnus-agent-overview-buffer)) | |
| 149 | ||
| 150 | ;;; | |
| 151 | ;;; Utility functions | |
| 152 | ;;; | |
| 153 | ||
| 154 | (defun gnus-agent-read-file (file) | |
| 155 | "Load FILE and do a `read' there." | |
| 16409b0b | 156 | (with-temp-buffer |
| df80b09f LMI |
157 | (ignore-errors |
| 158 | (nnheader-insert-file-contents file) | |
| 159 | (goto-char (point-min)) | |
| 160 | (read (current-buffer))))) | |
| 161 | ||
| 162 | (defsubst gnus-agent-method () | |
| 163 | (concat (symbol-name (car gnus-command-method)) "/" | |
| 164 | (if (equal (cadr gnus-command-method) "") | |
| 165 | "unnamed" | |
| 166 | (cadr gnus-command-method)))) | |
| 167 | ||
| 168 | (defsubst gnus-agent-directory () | |
| 169 | "Path of the Gnus agent directory." | |
| 170 | (nnheader-concat gnus-agent-directory | |
| 171 | (nnheader-translate-file-chars (gnus-agent-method)) "/")) | |
| 172 | ||
| 173 | (defun gnus-agent-lib-file (file) | |
| 174 | "The full path of the Gnus agent library FILE." | |
| 850846fd DL |
175 | (expand-file-name file |
| 176 | (file-name-as-directory | |
| 177 | (expand-file-name "agent.lib" (gnus-agent-directory))))) | |
| df80b09f LMI |
178 | |
| 179 | ;;; Fetching setup functions. | |
| 180 | ||
| 181 | (defun gnus-agent-start-fetch () | |
| 182 | "Initialize data structures for efficient fetching." | |
| 183 | (gnus-agent-open-history) | |
| 16409b0b GM |
184 | (setq gnus-agent-current-history (gnus-agent-history-buffer)) |
| 185 | (gnus-agent-create-buffer)) | |
| df80b09f LMI |
186 | |
| 187 | (defun gnus-agent-stop-fetch () | |
| 188 | "Save all data structures and clean up." | |
| 189 | (gnus-agent-save-history) | |
| 190 | (gnus-agent-close-history) | |
| 191 | (setq gnus-agent-spam-hashtb nil) | |
| 192 | (save-excursion | |
| 193 | (set-buffer nntp-server-buffer) | |
| 194 | (widen))) | |
| 195 | ||
| 196 | (defmacro gnus-agent-with-fetch (&rest forms) | |
| 197 | "Do FORMS safely." | |
| 198 | `(unwind-protect | |
| 03f20b47 | 199 | (let ((gnus-agent-fetching t)) |
| df80b09f LMI |
200 | (gnus-agent-start-fetch) |
| 201 | ,@forms) | |
| 202 | (gnus-agent-stop-fetch))) | |
| 203 | ||
| 204 | (put 'gnus-agent-with-fetch 'lisp-indent-function 0) | |
| 205 | (put 'gnus-agent-with-fetch 'edebug-form-spec '(body)) | |
| 206 | ||
| 207 | ;;; | |
| 208 | ;;; Mode infestation | |
| 209 | ;;; | |
| 210 | ||
| 211 | (defvar gnus-agent-mode-hook nil | |
| 212 | "Hook run when installing agent mode.") | |
| 213 | ||
| 214 | (defvar gnus-agent-mode nil) | |
| 215 | (defvar gnus-agent-mode-status '(gnus-agent-mode " Plugged")) | |
| 216 | ||
| 217 | (defun gnus-agent-mode () | |
| 218 | "Minor mode for providing a agent support in Gnus buffers." | |
| 219 | (let* ((buffer (progn (string-match "^gnus-\\(.*\\)-mode$" | |
| 220 | (symbol-name major-mode)) | |
| 221 | (match-string 1 (symbol-name major-mode)))) | |
| 222 | (mode (intern (format "gnus-agent-%s-mode" buffer)))) | |
| 223 | (set (make-local-variable 'gnus-agent-mode) t) | |
| 224 | (set mode nil) | |
| 225 | (set (make-local-variable mode) t) | |
| 226 | ;; Set up the menu. | |
| 227 | (when (gnus-visual-p 'agent-menu 'menu) | |
| 228 | (funcall (intern (format "gnus-agent-%s-make-menu-bar" buffer)))) | |
| 229 | (unless (assq 'gnus-agent-mode minor-mode-alist) | |
| 230 | (push gnus-agent-mode-status minor-mode-alist)) | |
| 231 | (unless (assq mode minor-mode-map-alist) | |
| 232 | (push (cons mode (symbol-value (intern (format "gnus-agent-%s-mode-map" | |
| 233 | buffer)))) | |
| 234 | minor-mode-map-alist)) | |
| 235 | (when (eq major-mode 'gnus-group-mode) | |
| 236 | (gnus-agent-toggle-plugged gnus-plugged)) | |
| 237 | (gnus-run-hooks 'gnus-agent-mode-hook | |
| 238 | (intern (format "gnus-agent-%s-mode-hook" buffer))))) | |
| 239 | ||
| 240 | (defvar gnus-agent-group-mode-map (make-sparse-keymap)) | |
| 241 | (gnus-define-keys gnus-agent-group-mode-map | |
| 242 | "Ju" gnus-agent-fetch-groups | |
| 243 | "Jc" gnus-enter-category-buffer | |
| 244 | "Jj" gnus-agent-toggle-plugged | |
| 245 | "Js" gnus-agent-fetch-session | |
| 03f20b47 | 246 | "JY" gnus-agent-synchronize-flags |
| df80b09f | 247 | "JS" gnus-group-send-drafts |
| 16409b0b GM |
248 | "Ja" gnus-agent-add-group |
| 249 | "Jr" gnus-agent-remove-group) | |
| df80b09f LMI |
250 | |
| 251 | (defun gnus-agent-group-make-menu-bar () | |
| 252 | (unless (boundp 'gnus-agent-group-menu) | |
| 253 | (easy-menu-define | |
| 254 | gnus-agent-group-menu gnus-agent-group-mode-map "" | |
| 255 | '("Agent" | |
| 256 | ["Toggle plugged" gnus-agent-toggle-plugged t] | |
| 257 | ["List categories" gnus-enter-category-buffer t] | |
| 258 | ["Send drafts" gnus-group-send-drafts gnus-plugged] | |
| 259 | ("Fetch" | |
| 260 | ["All" gnus-agent-fetch-session gnus-plugged] | |
| 261 | ["Group" gnus-agent-fetch-group gnus-plugged]))))) | |
| 262 | ||
| 263 | (defvar gnus-agent-summary-mode-map (make-sparse-keymap)) | |
| 264 | (gnus-define-keys gnus-agent-summary-mode-map | |
| 265 | "Jj" gnus-agent-toggle-plugged | |
| 266 | "J#" gnus-agent-mark-article | |
| 267 | "J\M-#" gnus-agent-unmark-article | |
| 268 | "@" gnus-agent-toggle-mark | |
| 269 | "Jc" gnus-agent-catchup) | |
| 270 | ||
| 271 | (defun gnus-agent-summary-make-menu-bar () | |
| 272 | (unless (boundp 'gnus-agent-summary-menu) | |
| 273 | (easy-menu-define | |
| 274 | gnus-agent-summary-menu gnus-agent-summary-mode-map "" | |
| 275 | '("Agent" | |
| 276 | ["Toggle plugged" gnus-agent-toggle-plugged t] | |
| 277 | ["Mark as downloadable" gnus-agent-mark-article t] | |
| 278 | ["Unmark as downloadable" gnus-agent-unmark-article t] | |
| 279 | ["Toggle mark" gnus-agent-toggle-mark t] | |
| 280 | ["Catchup undownloaded" gnus-agent-catchup t])))) | |
| 281 | ||
| 282 | (defvar gnus-agent-server-mode-map (make-sparse-keymap)) | |
| 283 | (gnus-define-keys gnus-agent-server-mode-map | |
| 284 | "Jj" gnus-agent-toggle-plugged | |
| 285 | "Ja" gnus-agent-add-server | |
| 286 | "Jr" gnus-agent-remove-server) | |
| 287 | ||
| 288 | (defun gnus-agent-server-make-menu-bar () | |
| 289 | (unless (boundp 'gnus-agent-server-menu) | |
| 290 | (easy-menu-define | |
| 291 | gnus-agent-server-menu gnus-agent-server-mode-map "" | |
| 292 | '("Agent" | |
| 293 | ["Toggle plugged" gnus-agent-toggle-plugged t] | |
| 294 | ["Add" gnus-agent-add-server t] | |
| 295 | ["Remove" gnus-agent-remove-server t])))) | |
| 296 | ||
| 297 | (defun gnus-agent-toggle-plugged (plugged) | |
| 298 | "Toggle whether Gnus is unplugged or not." | |
| 299 | (interactive (list (not gnus-plugged))) | |
| 300 | (if plugged | |
| 301 | (progn | |
| 302 | (setq gnus-plugged plugged) | |
| 03f20b47 | 303 | (gnus-agent-possibly-synchronize-flags) |
| df80b09f LMI |
304 | (gnus-run-hooks 'gnus-agent-plugged-hook) |
| 305 | (setcar (cdr gnus-agent-mode-status) " Plugged")) | |
| 306 | (gnus-agent-close-connections) | |
| 307 | (setq gnus-plugged plugged) | |
| 308 | (gnus-run-hooks 'gnus-agent-unplugged-hook) | |
| 309 | (setcar (cdr gnus-agent-mode-status) " Unplugged")) | |
| 310 | (set-buffer-modified-p t)) | |
| 311 | ||
| 312 | (defun gnus-agent-close-connections () | |
| 313 | "Close all methods covered by the Gnus agent." | |
| 314 | (let ((methods gnus-agent-covered-methods)) | |
| 315 | (while methods | |
| 316 | (gnus-close-server (pop methods))))) | |
| 317 | ||
| 318 | ;;;###autoload | |
| 319 | (defun gnus-unplugged () | |
| 320 | "Start Gnus unplugged." | |
| 321 | (interactive) | |
| 322 | (setq gnus-plugged nil) | |
| 323 | (gnus)) | |
| 324 | ||
| 325 | ;;;###autoload | |
| 326 | (defun gnus-plugged () | |
| 327 | "Start Gnus plugged." | |
| 328 | (interactive) | |
| 329 | (setq gnus-plugged t) | |
| 330 | (gnus)) | |
| 331 | ||
| 332 | ;;;###autoload | |
| 333 | (defun gnus-agentize () | |
| 334 | "Allow Gnus to be an offline newsreader. | |
| 335 | The normal usage of this command is to put the following as the | |
| 336 | last form in your `.gnus.el' file: | |
| 337 | ||
| 338 | \(gnus-agentize) | |
| 339 | ||
| 340 | This will modify the `gnus-before-startup-hook', `gnus-post-method', | |
| 341 | and `message-send-mail-function' variables, and install the Gnus | |
| 342 | agent minor mode in all Gnus buffers." | |
| 343 | (interactive) | |
| 344 | (gnus-open-agent) | |
| 345 | (add-hook 'gnus-setup-news-hook 'gnus-agent-queue-setup) | |
| 346 | (unless gnus-agent-send-mail-function | |
| 347 | (setq gnus-agent-send-mail-function message-send-mail-function | |
| 348 | message-send-mail-function 'gnus-agent-send-mail)) | |
| 349 | (unless gnus-agent-covered-methods | |
| 350 | (setq gnus-agent-covered-methods (list gnus-select-method)))) | |
| 351 | ||
| 352 | (defun gnus-agent-queue-setup () | |
| 353 | "Make sure the queue group exists." | |
| 354 | (unless (gnus-gethash "nndraft:queue" gnus-newsrc-hashtb) | |
| 355 | (gnus-request-create-group "queue" '(nndraft "")) | |
| 356 | (let ((gnus-level-default-subscribed 1)) | |
| 357 | (gnus-subscribe-group "nndraft:queue" nil '(nndraft ""))) | |
| 358 | (gnus-group-set-parameter | |
| 359 | "nndraft:queue" 'gnus-dummy '((gnus-draft-mode))))) | |
| 360 | ||
| 361 | (defun gnus-agent-send-mail () | |
| 362 | (if gnus-plugged | |
| 363 | (funcall gnus-agent-send-mail-function) | |
| 364 | (goto-char (point-min)) | |
| 365 | (re-search-forward | |
| 366 | (concat "^" (regexp-quote mail-header-separator) "\n")) | |
| 367 | (replace-match "\n") | |
| 368 | (gnus-agent-insert-meta-information 'mail) | |
| 16409b0b | 369 | (gnus-request-accept-article "nndraft:queue" nil t t))) |
| df80b09f LMI |
370 | |
| 371 | (defun gnus-agent-insert-meta-information (type &optional method) | |
| 372 | "Insert meta-information into the message that says how it's to be posted. | |
| 373 | TYPE can be either `mail' or `news'. If the latter METHOD can | |
| 374 | be a select method." | |
| 375 | (save-excursion | |
| 376 | (message-remove-header gnus-agent-meta-information-header) | |
| 377 | (goto-char (point-min)) | |
| 378 | (insert gnus-agent-meta-information-header ": " | |
| 379 | (symbol-name type) " " (format "%S" method) | |
| 380 | "\n") | |
| 381 | (forward-char -1) | |
| 382 | (while (search-backward "\n" nil t) | |
| 383 | (replace-match "\\n" t t)))) | |
| 384 | ||
| 03f20b47 DL |
385 | (defun gnus-agent-restore-gcc () |
| 386 | "Restore GCC field from saved header." | |
| 387 | (save-excursion | |
| 388 | (goto-char (point-min)) | |
| 389 | (while (re-search-forward (concat gnus-agent-gcc-header ":") nil t) | |
| 390 | (replace-match "Gcc:" 'fixedcase)))) | |
| 391 | ||
| 392 | (defun gnus-agent-any-covered-gcc () | |
| 393 | (save-restriction | |
| 394 | (message-narrow-to-headers) | |
| 395 | (let* ((gcc (mail-fetch-field "gcc" nil t)) | |
| 396 | (methods (and gcc | |
| 397 | (mapcar 'gnus-inews-group-method | |
| 398 | (message-unquote-tokens | |
| 399 | (message-tokenize-header | |
| 400 | gcc " ,"))))) | |
| 401 | covered) | |
| 402 | (while (and (not covered) methods) | |
| 403 | (setq covered | |
| 404 | (member (car methods) gnus-agent-covered-methods) | |
| 405 | methods (cdr methods))) | |
| 406 | covered))) | |
| 407 | ||
| 408 | (defun gnus-agent-possibly-save-gcc () | |
| 409 | "Save GCC if Gnus is unplugged." | |
| 410 | (when (and (not gnus-plugged) (gnus-agent-any-covered-gcc)) | |
| 411 | (save-excursion | |
| 412 | (goto-char (point-min)) | |
| 413 | (let ((case-fold-search t)) | |
| 414 | (while (re-search-forward "^gcc:" nil t) | |
| 415 | (replace-match (concat gnus-agent-gcc-header ":") 'fixedcase)))))) | |
| 416 | ||
| 417 | (defun gnus-agent-possibly-do-gcc () | |
| 418 | "Do GCC if Gnus is plugged." | |
| 419 | (when (or gnus-plugged (not (gnus-agent-any-covered-gcc))) | |
| 420 | (gnus-inews-do-gcc))) | |
| 421 | ||
| df80b09f LMI |
422 | ;;; |
| 423 | ;;; Group mode commands | |
| 424 | ;;; | |
| 425 | ||
| 426 | (defun gnus-agent-fetch-groups (n) | |
| 427 | "Put all new articles in the current groups into the Agent." | |
| 428 | (interactive "P") | |
| 16409b0b GM |
429 | (unless gnus-plugged |
| 430 | (error "Groups can't be fetched when Gnus is unplugged")) | |
| df80b09f LMI |
431 | (gnus-group-iterate n 'gnus-agent-fetch-group)) |
| 432 | ||
| 433 | (defun gnus-agent-fetch-group (group) | |
| 434 | "Put all new articles in GROUP into the Agent." | |
| 435 | (interactive (list (gnus-group-group-name))) | |
| 16409b0b GM |
436 | (unless gnus-plugged |
| 437 | (error "Groups can't be fetched when Gnus is unplugged")) | |
| df80b09f LMI |
438 | (unless group |
| 439 | (error "No group on the current line")) | |
| 440 | (let ((gnus-command-method (gnus-find-method-for-group group))) | |
| 441 | (gnus-agent-with-fetch | |
| 442 | (gnus-agent-fetch-group-1 group gnus-command-method) | |
| 443 | (gnus-message 5 "Fetching %s...done" group)))) | |
| 444 | ||
| 445 | (defun gnus-agent-add-group (category arg) | |
| 446 | "Add the current group to an agent category." | |
| 447 | (interactive | |
| 448 | (list | |
| 449 | (intern | |
| 450 | (completing-read | |
| 451 | "Add to category: " | |
| 452 | (mapcar (lambda (cat) (list (symbol-name (car cat)))) | |
| 453 | gnus-category-alist) | |
| 454 | nil t)) | |
| 455 | current-prefix-arg)) | |
| 456 | (let ((cat (assq category gnus-category-alist)) | |
| 457 | c groups) | |
| 458 | (gnus-group-iterate arg | |
| 459 | (lambda (group) | |
| 460 | (when (cadddr (setq c (gnus-group-category group))) | |
| 461 | (setf (cadddr c) (delete group (cadddr c)))) | |
| 462 | (push group groups))) | |
| 463 | (setf (cadddr cat) (nconc (cadddr cat) groups)) | |
| 464 | (gnus-category-write))) | |
| 465 | ||
| 16409b0b GM |
466 | (defun gnus-agent-remove-group (arg) |
| 467 | "Remove the current group from its agent category, if any." | |
| 468 | (interactive "P") | |
| 469 | (let (c) | |
| 470 | (gnus-group-iterate arg | |
| 471 | (lambda (group) | |
| 472 | (when (cadddr (setq c (gnus-group-category group))) | |
| 473 | (setf (cadddr c) (delete group (cadddr c)))))) | |
| 474 | (gnus-category-write))) | |
| 475 | ||
| 03f20b47 DL |
476 | (defun gnus-agent-synchronize-flags () |
| 477 | "Synchronize unplugged flags with servers." | |
| 478 | (interactive) | |
| 479 | (save-excursion | |
| 480 | (dolist (gnus-command-method gnus-agent-covered-methods) | |
| 481 | (when (file-exists-p (gnus-agent-lib-file "flags")) | |
| 482 | (gnus-agent-synchronize-flags-server gnus-command-method))))) | |
| 483 | ||
| 484 | (defun gnus-agent-possibly-synchronize-flags () | |
| 485 | "Synchronize flags according to `gnus-agent-synchronize-flags'." | |
| 16409b0b GM |
486 | (interactive) |
| 487 | (save-excursion | |
| 488 | (dolist (gnus-command-method gnus-agent-covered-methods) | |
| 489 | (when (file-exists-p (gnus-agent-lib-file "flags")) | |
| 03f20b47 DL |
490 | (gnus-agent-possibly-synchronize-flags-server gnus-command-method))))) |
| 491 | ||
| 492 | (defun gnus-agent-synchronize-flags-server (method) | |
| 493 | "Synchronize flags set when unplugged for server." | |
| 494 | (let ((gnus-command-method method)) | |
| 495 | (when (file-exists-p (gnus-agent-lib-file "flags")) | |
| 496 | (set-buffer (get-buffer-create " *Gnus Agent flag synchronize*")) | |
| 497 | (erase-buffer) | |
| 498 | (nnheader-insert-file-contents (gnus-agent-lib-file "flags")) | |
| 499 | (if (null (gnus-check-server gnus-command-method)) | |
| 500 | (message "Couldn't open server %s" (nth 1 gnus-command-method)) | |
| 501 | (while (not (eobp)) | |
| 502 | (if (null (eval (read (current-buffer)))) | |
| 503 | (progn (forward-line) | |
| 504 | (kill-line -1)) | |
| 505 | (write-file (gnus-agent-lib-file "flags")) | |
| 506 | (error "Couldn't set flags from file %s" | |
| 507 | (gnus-agent-lib-file "flags")))) | |
| 508 | (delete-file (gnus-agent-lib-file "flags"))) | |
| 509 | (kill-buffer nil)))) | |
| 510 | ||
| 511 | (defun gnus-agent-possibly-synchronize-flags-server (method) | |
| 512 | "Synchronize flags for server according to `gnus-agent-synchronize-flags'." | |
| 513 | (when (or (and gnus-agent-synchronize-flags | |
| 514 | (not (eq gnus-agent-synchronize-flags 'ask))) | |
| 515 | (and (eq gnus-agent-synchronize-flags 'ask) | |
| 516 | (gnus-y-or-n-p (format "Synchronize flags on server `%s'? " | |
| 517 | (cadr method))))) | |
| 518 | (gnus-agent-synchronize-flags-server method))) | |
| 16409b0b | 519 | |
| df80b09f LMI |
520 | ;;; |
| 521 | ;;; Server mode commands | |
| 522 | ;;; | |
| 523 | ||
| 524 | (defun gnus-agent-add-server (server) | |
| 525 | "Enroll SERVER in the agent program." | |
| 526 | (interactive (list (gnus-server-server-name))) | |
| 527 | (unless server | |
| 528 | (error "No server on the current line")) | |
| 529 | (let ((method (gnus-server-get-method nil (gnus-server-server-name)))) | |
| 530 | (when (member method gnus-agent-covered-methods) | |
| 531 | (error "Server already in the agent program")) | |
| 532 | (push method gnus-agent-covered-methods) | |
| 533 | (gnus-agent-write-servers) | |
| 534 | (message "Entered %s into the Agent" server))) | |
| 535 | ||
| 536 | (defun gnus-agent-remove-server (server) | |
| 537 | "Remove SERVER from the agent program." | |
| 538 | (interactive (list (gnus-server-server-name))) | |
| 539 | (unless server | |
| 540 | (error "No server on the current line")) | |
| 541 | (let ((method (gnus-server-get-method nil (gnus-server-server-name)))) | |
| 542 | (unless (member method gnus-agent-covered-methods) | |
| 543 | (error "Server not in the agent program")) | |
| 544 | (setq gnus-agent-covered-methods | |
| 545 | (delete method gnus-agent-covered-methods)) | |
| 546 | (gnus-agent-write-servers) | |
| 547 | (message "Removed %s from the agent" server))) | |
| 548 | ||
| 549 | (defun gnus-agent-read-servers () | |
| 550 | "Read the alist of covered servers." | |
| 551 | (setq gnus-agent-covered-methods | |
| 552 | (gnus-agent-read-file | |
| 553 | (nnheader-concat gnus-agent-directory "lib/servers")))) | |
| 554 | ||
| 555 | (defun gnus-agent-write-servers () | |
| 556 | "Write the alist of covered servers." | |
| 16409b0b GM |
557 | (gnus-make-directory (nnheader-concat gnus-agent-directory "lib")) |
| 558 | (let ((coding-system-for-write nnheader-file-coding-system) | |
| 559 | (file-name-coding-system nnmail-pathname-coding-system)) | |
| 560 | (with-temp-file (nnheader-concat gnus-agent-directory "lib/servers") | |
| 561 | (prin1 gnus-agent-covered-methods (current-buffer))))) | |
| df80b09f LMI |
562 | |
| 563 | ;;; | |
| 564 | ;;; Summary commands | |
| 565 | ;;; | |
| 566 | ||
| 567 | (defun gnus-agent-mark-article (n &optional unmark) | |
| 568 | "Mark the next N articles as downloadable. | |
| 569 | If N is negative, mark backward instead. If UNMARK is non-nil, remove | |
| 570 | the mark instead. The difference between N and the actual number of | |
| 571 | articles marked is returned." | |
| 572 | (interactive "p") | |
| 573 | (let ((backward (< n 0)) | |
| 574 | (n (abs n))) | |
| 575 | (while (and | |
| 576 | (> n 0) | |
| 577 | (progn | |
| 578 | (gnus-summary-set-agent-mark | |
| 579 | (gnus-summary-article-number) unmark) | |
| 580 | (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))) | |
| 581 | (setq n (1- n))) | |
| 582 | (when (/= 0 n) | |
| 583 | (gnus-message 7 "No more articles")) | |
| 584 | (gnus-summary-recenter) | |
| 585 | (gnus-summary-position-point) | |
| 586 | n)) | |
| 587 | ||
| 588 | (defun gnus-agent-unmark-article (n) | |
| 589 | "Remove the downloadable mark from the next N articles. | |
| 590 | If N is negative, unmark backward instead. The difference between N and | |
| 591 | the actual number of articles unmarked is returned." | |
| 592 | (interactive "p") | |
| 593 | (gnus-agent-mark-article n t)) | |
| 594 | ||
| 595 | (defun gnus-agent-toggle-mark (n) | |
| 596 | "Toggle the downloadable mark from the next N articles. | |
| 597 | If N is negative, toggle backward instead. The difference between N and | |
| 598 | the actual number of articles toggled is returned." | |
| 599 | (interactive "p") | |
| 600 | (gnus-agent-mark-article n 'toggle)) | |
| 601 | ||
| 602 | (defun gnus-summary-set-agent-mark (article &optional unmark) | |
| 603 | "Mark ARTICLE as downloadable." | |
| 604 | (let ((unmark (if (and (not (null unmark)) (not (eq t unmark))) | |
| 605 | (memq article gnus-newsgroup-downloadable) | |
| 606 | unmark))) | |
| 607 | (if unmark | |
| 608 | (progn | |
| 609 | (setq gnus-newsgroup-downloadable | |
| 610 | (delq article gnus-newsgroup-downloadable)) | |
| 611 | (push article gnus-newsgroup-undownloaded)) | |
| 612 | (setq gnus-newsgroup-undownloaded | |
| 613 | (delq article gnus-newsgroup-undownloaded)) | |
| 614 | (push article gnus-newsgroup-downloadable)) | |
| 615 | (gnus-summary-update-mark | |
| 616 | (if unmark gnus-undownloaded-mark gnus-downloadable-mark) | |
| 617 | 'unread))) | |
| 618 | ||
| 619 | (defun gnus-agent-get-undownloaded-list () | |
| 620 | "Mark all unfetched articles as read." | |
| 621 | (let ((gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name))) | |
| 622 | (when (and (not gnus-plugged) | |
| 623 | (gnus-agent-method-p gnus-command-method)) | |
| 624 | (gnus-agent-load-alist gnus-newsgroup-name) | |
| 16409b0b GM |
625 | ;; First mark all undownloaded articles as undownloaded. |
| 626 | (let ((articles (append gnus-newsgroup-unreads | |
| 627 | gnus-newsgroup-marked | |
| 628 | gnus-newsgroup-dormant)) | |
| df80b09f LMI |
629 | article) |
| 630 | (while (setq article (pop articles)) | |
| 631 | (unless (or (cdr (assq article gnus-agent-article-alist)) | |
| 16409b0b GM |
632 | (memq article gnus-newsgroup-downloadable) |
| 633 | (memq article gnus-newsgroup-cached)) | |
| 634 | (push article gnus-newsgroup-undownloaded)))) | |
| 635 | ;; Then mark downloaded downloadable as not-downloadable, | |
| 636 | ;; if you get my drift. | |
| 637 | (let ((articles gnus-newsgroup-downloadable) | |
| 638 | article) | |
| 639 | (while (setq article (pop articles)) | |
| 640 | (when (cdr (assq article gnus-agent-article-alist)) | |
| 641 | (setq gnus-newsgroup-downloadable | |
| 642 | (delq article gnus-newsgroup-downloadable)))))))) | |
| df80b09f LMI |
643 | |
| 644 | (defun gnus-agent-catchup () | |
| 645 | "Mark all undownloaded articles as read." | |
| 646 | (interactive) | |
| 647 | (save-excursion | |
| 648 | (while gnus-newsgroup-undownloaded | |
| 649 | (gnus-summary-mark-article | |
| 650 | (pop gnus-newsgroup-undownloaded) gnus-catchup-mark))) | |
| 651 | (gnus-summary-position-point)) | |
| 652 | ||
| 653 | ;;; | |
| 654 | ;;; Internal functions | |
| 655 | ;;; | |
| 656 | ||
| 657 | (defun gnus-agent-save-active (method) | |
| 16409b0b GM |
658 | (gnus-agent-save-active-1 method 'gnus-active-to-gnus-format)) |
| 659 | ||
| 660 | (defun gnus-agent-save-active-1 (method function) | |
| df80b09f LMI |
661 | (when (gnus-agent-method-p method) |
| 662 | (let* ((gnus-command-method method) | |
| 16409b0b | 663 | (new (gnus-make-hashtable (count-lines (point-min) (point-max)))) |
| df80b09f | 664 | (file (gnus-agent-lib-file "active"))) |
| 16409b0b GM |
665 | (funcall function nil new) |
| 666 | (gnus-agent-write-active file new) | |
| 667 | (erase-buffer) | |
| 668 | (nnheader-insert-file-contents file)))) | |
| 669 | ||
| 670 | (defun gnus-agent-write-active (file new) | |
| 671 | (let ((orig (gnus-make-hashtable (count-lines (point-min) (point-max)))) | |
| 672 | (file (gnus-agent-lib-file "active")) | |
| 673 | elem osym) | |
| 674 | (when (file-exists-p file) | |
| 675 | (with-temp-buffer | |
| 676 | (nnheader-insert-file-contents file) | |
| 677 | (gnus-active-to-gnus-format nil orig)) | |
| 678 | (mapatoms | |
| 679 | (lambda (sym) | |
| 680 | (when (and sym (boundp sym)) | |
| 681 | (if (and (boundp (setq osym (intern (symbol-name sym) orig))) | |
| 682 | (setq elem (symbol-value osym))) | |
| 683 | (setcdr elem (cdr (symbol-value sym))) | |
| 684 | (set (intern (symbol-name sym) orig) (symbol-value sym))))) | |
| 685 | new)) | |
| df80b09f LMI |
686 | (gnus-make-directory (file-name-directory file)) |
| 687 | (let ((coding-system-for-write gnus-agent-file-coding-system)) | |
| 16409b0b GM |
688 | ;; The hashtable contains real names of groups, no more prefix |
| 689 | ;; removing, so set `full' to `t'. | |
| 690 | (gnus-write-active-file file orig t)))) | |
| 691 | ||
| 692 | (defun gnus-agent-save-groups (method) | |
| 693 | (gnus-agent-save-active-1 method 'gnus-groups-to-gnus-format)) | |
| df80b09f LMI |
694 | |
| 695 | (defun gnus-agent-save-group-info (method group active) | |
| 696 | (when (gnus-agent-method-p method) | |
| 697 | (let* ((gnus-command-method method) | |
| 16409b0b GM |
698 | (coding-system-for-write nnheader-file-coding-system) |
| 699 | (file-name-coding-system nnmail-pathname-coding-system) | |
| 700 | (file (gnus-agent-lib-file "active")) | |
| 701 | oactive) | |
| df80b09f | 702 | (gnus-make-directory (file-name-directory file)) |
| 16409b0b GM |
703 | (with-temp-file file |
| 704 | ;; Emacs got problem to match non-ASCII group in multibyte buffer. | |
| 705 | (mm-disable-multibyte) | |
| df80b09f LMI |
706 | (when (file-exists-p file) |
| 707 | (nnheader-insert-file-contents file)) | |
| 708 | (goto-char (point-min)) | |
| 16409b0b GM |
709 | (when (re-search-forward |
| 710 | (concat "^" (regexp-quote group) " ") nil t) | |
| 711 | (save-excursion | |
| 712 | (save-restriction | |
| 713 | (narrow-to-region (match-beginning 0) | |
| 714 | (progn | |
| 715 | (forward-line 1) | |
| 716 | (point))) | |
| 717 | (setq oactive (car (nnmail-parse-active))))) | |
| 718 | (gnus-delete-line)) | |
| 719 | (insert (format "%S %d %d y\n" (intern group) | |
| 720 | (cdr active) | |
| 721 | (or (car oactive) (car active)))) | |
| 722 | (goto-char (point-max)) | |
| 723 | (while (search-backward "\\." nil t) | |
| 724 | (delete-char 1)))))) | |
| df80b09f LMI |
725 | |
| 726 | (defun gnus-agent-group-path (group) | |
| 727 | "Translate GROUP into a path." | |
| 728 | (if nnmail-use-long-file-names | |
| 729 | (gnus-group-real-name group) | |
| 16409b0b GM |
730 | (nnheader-translate-file-chars |
| 731 | (nnheader-replace-chars-in-string | |
| 732 | (nnheader-replace-duplicate-chars-in-string | |
| 733 | (nnheader-replace-chars-in-string | |
| 734 | (gnus-group-real-name group) | |
| 735 | ?/ ?_) | |
| 736 | ?. ?_) | |
| 737 | ?. ?/)))) | |
| df80b09f LMI |
738 | |
| 739 | \f | |
| 740 | ||
| 741 | (defun gnus-agent-method-p (method) | |
| 742 | "Say whether METHOD is covered by the agent." | |
| 743 | (member method gnus-agent-covered-methods)) | |
| 744 | ||
| 745 | (defun gnus-agent-get-function (method) | |
| 746 | (if (and (not gnus-plugged) | |
| 747 | (gnus-agent-method-p method)) | |
| 748 | (progn | |
| 749 | (require 'nnagent) | |
| 750 | 'nnagent) | |
| 751 | (car method))) | |
| 752 | ||
| 753 | ;;; History functions | |
| 754 | ||
| 755 | (defun gnus-agent-history-buffer () | |
| 756 | (cdr (assoc (gnus-agent-method) gnus-agent-history-buffers))) | |
| 757 | ||
| 758 | (defun gnus-agent-open-history () | |
| 759 | (save-excursion | |
| 760 | (push (cons (gnus-agent-method) | |
| 761 | (set-buffer (gnus-get-buffer-create | |
| 762 | (format " *Gnus agent %s history*" | |
| 763 | (gnus-agent-method))))) | |
| 764 | gnus-agent-history-buffers) | |
| 16409b0b | 765 | (mm-disable-multibyte) ;; everything is binary |
| df80b09f LMI |
766 | (erase-buffer) |
| 767 | (insert "\n") | |
| 768 | (let ((file (gnus-agent-lib-file "history"))) | |
| 769 | (when (file-exists-p file) | |
| 16409b0b | 770 | (nnheader-insert-file-contents file)) |
| df80b09f LMI |
771 | (set (make-local-variable 'gnus-agent-file-name) file)))) |
| 772 | ||
| 773 | (defun gnus-agent-save-history () | |
| 774 | (save-excursion | |
| 775 | (set-buffer gnus-agent-current-history) | |
| 776 | (gnus-make-directory (file-name-directory gnus-agent-file-name)) | |
| 777 | (let ((coding-system-for-write gnus-agent-file-coding-system)) | |
| 778 | (write-region (1+ (point-min)) (point-max) | |
| 779 | gnus-agent-file-name nil 'silent)))) | |
| 780 | ||
| 781 | (defun gnus-agent-close-history () | |
| 782 | (when (gnus-buffer-live-p gnus-agent-current-history) | |
| 783 | (kill-buffer gnus-agent-current-history) | |
| 784 | (setq gnus-agent-history-buffers | |
| 785 | (delq (assoc (gnus-agent-method) gnus-agent-history-buffers) | |
| 786 | gnus-agent-history-buffers)))) | |
| 787 | ||
| 788 | (defun gnus-agent-enter-history (id group-arts date) | |
| 789 | (save-excursion | |
| 790 | (set-buffer gnus-agent-current-history) | |
| 791 | (goto-char (point-max)) | |
| 16409b0b GM |
792 | (let ((p (point))) |
| 793 | (insert id "\t" (number-to-string date) "\t") | |
| 794 | (while group-arts | |
| 795 | (insert (format "%S" (intern (caar group-arts))) | |
| 796 | " " (number-to-string (cdr (pop group-arts))) | |
| 797 | " ")) | |
| 798 | (insert "\n") | |
| 799 | (while (search-backward "\\." p t) | |
| 800 | (delete-char 1))))) | |
| df80b09f LMI |
801 | |
| 802 | (defun gnus-agent-article-in-history-p (id) | |
| 803 | (save-excursion | |
| 804 | (set-buffer (gnus-agent-history-buffer)) | |
| 805 | (goto-char (point-min)) | |
| 806 | (search-forward (concat "\n" id "\t") nil t))) | |
| 807 | ||
| 808 | (defun gnus-agent-history-path (id) | |
| 809 | (save-excursion | |
| 810 | (set-buffer (gnus-agent-history-buffer)) | |
| 811 | (goto-char (point-min)) | |
| 812 | (when (search-forward (concat "\n" id "\t") nil t) | |
| 813 | (let ((method (gnus-agent-method))) | |
| 814 | (let (paths group) | |
| 815 | (while (not (numberp (setq group (read (current-buffer))))) | |
| 816 | (push (concat method "/" group) paths)) | |
| 817 | (nreverse paths)))))) | |
| 818 | ||
| 819 | ;;; | |
| 820 | ;;; Fetching | |
| 821 | ;;; | |
| 822 | ||
| 823 | (defun gnus-agent-fetch-articles (group articles) | |
| 824 | "Fetch ARTICLES from GROUP and put them into the Agent." | |
| 825 | (when articles | |
| 826 | ;; Prune off articles that we have already fetched. | |
| 827 | (while (and articles | |
| 828 | (cdr (assq (car articles) gnus-agent-article-alist))) | |
| 16409b0b | 829 | (pop articles)) |
| df80b09f LMI |
830 | (let ((arts articles)) |
| 831 | (while (cdr arts) | |
| 832 | (if (cdr (assq (cadr arts) gnus-agent-article-alist)) | |
| 833 | (setcdr arts (cddr arts)) | |
| 834 | (setq arts (cdr arts))))) | |
| 835 | (when articles | |
| 836 | (let ((dir (concat | |
| 837 | (gnus-agent-directory) | |
| 838 | (gnus-agent-group-path group) "/")) | |
| 16409b0b | 839 | (date (time-to-days (current-time))) |
| df80b09f LMI |
840 | (case-fold-search t) |
| 841 | pos crosses id elem) | |
| 842 | (gnus-make-directory dir) | |
| 843 | (gnus-message 7 "Fetching articles for %s..." group) | |
| 844 | ;; Fetch the articles from the backend. | |
| 845 | (if (gnus-check-backend-function 'retrieve-articles group) | |
| 846 | (setq pos (gnus-retrieve-articles articles group)) | |
| 16409b0b | 847 | (with-temp-buffer |
| df80b09f LMI |
848 | (let (article) |
| 849 | (while (setq article (pop articles)) | |
| 16409b0b GM |
850 | (when (or |
| 851 | (gnus-backlog-request-article group article | |
| 852 | nntp-server-buffer) | |
| 853 | (gnus-request-article article group)) | |
| df80b09f LMI |
854 | (goto-char (point-max)) |
| 855 | (push (cons article (point)) pos) | |
| 856 | (insert-buffer-substring nntp-server-buffer))) | |
| 857 | (copy-to-buffer nntp-server-buffer (point-min) (point-max)) | |
| 858 | (setq pos (nreverse pos))))) | |
| 859 | ;; Then save these articles into the Agent. | |
| 860 | (save-excursion | |
| 861 | (set-buffer nntp-server-buffer) | |
| 862 | (while pos | |
| 863 | (narrow-to-region (cdar pos) (or (cdadr pos) (point-max))) | |
| 864 | (goto-char (point-min)) | |
| 865 | (when (search-forward "\n\n" nil t) | |
| 866 | (when (search-backward "\nXrefs: " nil t) | |
| 867 | ;; Handle crossposting. | |
| 868 | (skip-chars-forward "^ ") | |
| 869 | (skip-chars-forward " ") | |
| 870 | (setq crosses nil) | |
| 871 | (while (looking-at "\\([^: \n]+\\):\\([0-9]+\\) +") | |
| 872 | (push (cons (buffer-substring (match-beginning 1) | |
| 873 | (match-end 1)) | |
| 874 | (buffer-substring (match-beginning 2) | |
| 875 | (match-end 2))) | |
| 876 | crosses) | |
| 877 | (goto-char (match-end 0))) | |
| 878 | (gnus-agent-crosspost crosses (caar pos)))) | |
| 879 | (goto-char (point-min)) | |
| 880 | (if (not (re-search-forward "^Message-ID: *<\\([^>\n]+\\)>" nil t)) | |
| 881 | (setq id "No-Message-ID-in-article") | |
| 882 | (setq id (buffer-substring (match-beginning 1) (match-end 1)))) | |
| 883 | (let ((coding-system-for-write | |
| 884 | gnus-agent-file-coding-system)) | |
| 885 | (write-region (point-min) (point-max) | |
| 886 | (concat dir (number-to-string (caar pos))) | |
| 887 | nil 'silent)) | |
| 888 | (when (setq elem (assq (caar pos) gnus-agent-article-alist)) | |
| 889 | (setcdr elem t)) | |
| 890 | (gnus-agent-enter-history | |
| 891 | id (or crosses (list (cons group (caar pos)))) date) | |
| 892 | (widen) | |
| 893 | (pop pos))) | |
| 894 | (gnus-agent-save-alist group))))) | |
| 895 | ||
| 896 | (defun gnus-agent-crosspost (crosses article) | |
| 897 | (let (gnus-agent-article-alist group alist beg end) | |
| 898 | (save-excursion | |
| 899 | (set-buffer gnus-agent-overview-buffer) | |
| 900 | (when (nnheader-find-nov-line article) | |
| 901 | (forward-word 1) | |
| 902 | (setq beg (point)) | |
| 903 | (setq end (progn (forward-line 1) (point))))) | |
| 904 | (while crosses | |
| 905 | (setq group (caar crosses)) | |
| 906 | (unless (setq alist (assoc group gnus-agent-group-alist)) | |
| 907 | (push (setq alist (list group (gnus-agent-load-alist (caar crosses)))) | |
| 908 | gnus-agent-group-alist)) | |
| 909 | (setcdr alist (cons (cons (cdar crosses) t) (cdr alist))) | |
| 910 | (save-excursion | |
| 911 | (set-buffer (gnus-get-buffer-create (format " *Gnus agent overview %s*" | |
| 16409b0b | 912 | group))) |
| df80b09f LMI |
913 | (when (= (point-max) (point-min)) |
| 914 | (push (cons group (current-buffer)) gnus-agent-buffer-alist) | |
| 915 | (ignore-errors | |
| 916 | (nnheader-insert-file-contents | |
| 917 | (gnus-agent-article-name ".overview" group)))) | |
| 918 | (nnheader-find-nov-line (string-to-number (cdar crosses))) | |
| 919 | (insert (string-to-number (cdar crosses))) | |
| 920 | (insert-buffer-substring gnus-agent-overview-buffer beg end)) | |
| 921 | (pop crosses)))) | |
| 922 | ||
| 923 | (defun gnus-agent-flush-cache () | |
| 924 | (save-excursion | |
| 925 | (while gnus-agent-buffer-alist | |
| 926 | (set-buffer (cdar gnus-agent-buffer-alist)) | |
| 927 | (let ((coding-system-for-write | |
| 928 | gnus-agent-file-coding-system)) | |
| 929 | (write-region (point-min) (point-max) | |
| 930 | (gnus-agent-article-name ".overview" | |
| 931 | (caar gnus-agent-buffer-alist)) | |
| 932 | nil 'silent)) | |
| 933 | (pop gnus-agent-buffer-alist)) | |
| 934 | (while gnus-agent-group-alist | |
| 16409b0b | 935 | (with-temp-file (caar gnus-agent-group-alist) |
| df80b09f LMI |
936 | (princ (cdar gnus-agent-group-alist)) |
| 937 | (insert "\n")) | |
| 938 | (pop gnus-agent-group-alist)))) | |
| 939 | ||
| 16409b0b GM |
940 | (if (fboundp 'union) |
| 941 | (defalias 'gnus-agent-union 'union) | |
| 942 | (defun gnus-agent-union (l1 l2) | |
| 943 | "Set union of lists L1 and L2." | |
| 944 | (cond ((null l1) l2) | |
| 945 | ((null l2) l1) | |
| 946 | ((equal l1 l2) l1) | |
| 947 | (t | |
| 948 | (or (>= (length l1) (length l2)) | |
| 949 | (setq l1 (prog1 l2 (setq l2 l1)))) | |
| 950 | (while l2 | |
| 951 | (or (memq (car l2) l1) | |
| 952 | (push (car l2) l1)) | |
| 953 | (pop l2)) | |
| 954 | l1)))) | |
| 955 | ||
| df80b09f | 956 | (defun gnus-agent-fetch-headers (group &optional force) |
| 16409b0b GM |
957 | (let ((articles (gnus-list-of-unread-articles group)) |
| 958 | (gnus-decode-encoded-word-function 'identity) | |
| 959 | (file (gnus-agent-article-name ".overview" group))) | |
| 960 | ;; Add article with marks to list of article headers we want to fetch. | |
| 961 | (dolist (arts (gnus-info-marks (gnus-get-info group))) | |
| 962 | (setq articles (gnus-agent-union (gnus-uncompress-sequence (cdr arts)) | |
| 963 | articles))) | |
| 964 | (setq articles (sort articles '<)) | |
| 965 | ;; Remove known articles. | |
| 966 | (when (gnus-agent-load-alist group) | |
| 967 | (setq articles (gnus-sorted-intersection | |
| 968 | articles | |
| 969 | (gnus-uncompress-range | |
| 970 | (cons (1+ (caar (last gnus-agent-article-alist))) | |
| 971 | (cdr (gnus-active group))))))) | |
| df80b09f | 972 | ;; Fetch them. |
| 16409b0b GM |
973 | (gnus-make-directory (nnheader-translate-file-chars |
| 974 | (file-name-directory file) t)) | |
| df80b09f LMI |
975 | (when articles |
| 976 | (gnus-message 7 "Fetching headers for %s..." group) | |
| 977 | (save-excursion | |
| 16409b0b GM |
978 | (set-buffer nntp-server-buffer) |
| 979 | (unless (eq 'nov (gnus-retrieve-headers articles group)) | |
| 980 | (nnvirtual-convert-headers)) | |
| 981 | ;; Save these headers for later processing. | |
| 982 | (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max)) | |
| 983 | (when (file-exists-p file) | |
| 984 | (gnus-agent-braid-nov group articles file)) | |
| 985 | (let ((coding-system-for-write | |
| 986 | gnus-agent-file-coding-system)) | |
| 987 | (write-region (point-min) (point-max) file nil 'silent)) | |
| 988 | (gnus-agent-save-alist group articles nil) | |
| 989 | (gnus-agent-enter-history | |
| 990 | "last-header-fetched-for-session" | |
| 991 | (list (cons group (nth (- (length articles) 1) articles))) | |
| 992 | (time-to-days (current-time))) | |
| 993 | articles)))) | |
| df80b09f LMI |
994 | |
| 995 | (defsubst gnus-agent-copy-nov-line (article) | |
| 996 | (let (b e) | |
| 997 | (set-buffer gnus-agent-overview-buffer) | |
| 998 | (setq b (point)) | |
| 999 | (if (eq article (read (current-buffer))) | |
| 1000 | (setq e (progn (forward-line 1) (point))) | |
| 1001 | (progn | |
| 1002 | (beginning-of-line) | |
| 1003 | (setq e b))) | |
| 1004 | (set-buffer nntp-server-buffer) | |
| 1005 | (insert-buffer-substring gnus-agent-overview-buffer b e))) | |
| 1006 | ||
| 1007 | (defun gnus-agent-braid-nov (group articles file) | |
| 1008 | (set-buffer gnus-agent-overview-buffer) | |
| 1009 | (goto-char (point-min)) | |
| 1010 | (set-buffer nntp-server-buffer) | |
| 1011 | (erase-buffer) | |
| 1012 | (nnheader-insert-file-contents file) | |
| 1013 | (goto-char (point-max)) | |
| 1014 | (if (or (= (point-min) (point-max)) | |
| 1015 | (progn | |
| 1016 | (forward-line -1) | |
| 1017 | (< (read (current-buffer)) (car articles)))) | |
| 1018 | ;; We have only headers that are after the older headers, | |
| 1019 | ;; so we just append them. | |
| 1020 | (progn | |
| 1021 | (goto-char (point-max)) | |
| 1022 | (insert-buffer-substring gnus-agent-overview-buffer)) | |
| 1023 | ;; We do it the hard way. | |
| 1024 | (nnheader-find-nov-line (car articles)) | |
| 1025 | (gnus-agent-copy-nov-line (car articles)) | |
| 1026 | (pop articles) | |
| 1027 | (while (and articles | |
| 1028 | (not (eobp))) | |
| 1029 | (while (and (not (eobp)) | |
| 1030 | (< (read (current-buffer)) (car articles))) | |
| 1031 | (forward-line 1)) | |
| 1032 | (beginning-of-line) | |
| 1033 | (unless (eobp) | |
| 1034 | (gnus-agent-copy-nov-line (car articles)) | |
| 1035 | (setq articles (cdr articles)))) | |
| 1036 | (when articles | |
| 1037 | (let (b e) | |
| 1038 | (set-buffer gnus-agent-overview-buffer) | |
| 1039 | (setq b (point) | |
| 1040 | e (point-max)) | |
| 1041 | (set-buffer nntp-server-buffer) | |
| 1042 | (insert-buffer-substring gnus-agent-overview-buffer b e))))) | |
| 1043 | ||
| 1044 | (defun gnus-agent-load-alist (group &optional dir) | |
| 1045 | "Load the article-state alist for GROUP." | |
| 1046 | (setq gnus-agent-article-alist | |
| 1047 | (gnus-agent-read-file | |
| 1048 | (if dir | |
| 850846fd | 1049 | (expand-file-name ".agentview" dir) |
| df80b09f LMI |
1050 | (gnus-agent-article-name ".agentview" group))))) |
| 1051 | ||
| 1052 | (defun gnus-agent-save-alist (group &optional articles state dir) | |
| 1053 | "Save the article-state alist for GROUP." | |
| 16409b0b GM |
1054 | (let ((file-name-coding-system nnmail-pathname-coding-system)) |
| 1055 | (with-temp-file (if dir | |
| 850846fd | 1056 | (expand-file-name ".agentview" dir) |
| 16409b0b GM |
1057 | (gnus-agent-article-name ".agentview" group)) |
| 1058 | (princ (setq gnus-agent-article-alist | |
| 1059 | (nconc gnus-agent-article-alist | |
| 1060 | (mapcar (lambda (article) (cons article state)) | |
| 1061 | articles))) | |
| 1062 | (current-buffer)) | |
| 1063 | (insert "\n")))) | |
| df80b09f LMI |
1064 | |
| 1065 | (defun gnus-agent-article-name (article group) | |
| 850846fd DL |
1066 | (expand-file-name (if (stringp article) article (string-to-number article)) |
| 1067 | (file-name-as-directory | |
| 1068 | (expand-file-name (gnus-agent-group-path group) | |
| 1069 | (gnus-agent-directory))))) | |
| df80b09f | 1070 | |
| 16409b0b GM |
1071 | (defun gnus-agent-batch-confirmation (msg) |
| 1072 | "Show error message and return t." | |
| 1073 | (gnus-message 1 msg) | |
| 1074 | t) | |
| 1075 | ||
| df80b09f LMI |
1076 | ;;;###autoload |
| 1077 | (defun gnus-agent-batch-fetch () | |
| 1078 | "Start Gnus and fetch session." | |
| 1079 | (interactive) | |
| 1080 | (gnus) | |
| 16409b0b GM |
1081 | (let ((gnus-agent-confirmation-function 'gnus-agent-batch-confirmation)) |
| 1082 | (gnus-agent-fetch-session)) | |
| df80b09f LMI |
1083 | (gnus-group-exit)) |
| 1084 | ||
| 1085 | (defun gnus-agent-fetch-session () | |
| 1086 | "Fetch all articles and headers that are eligible for fetching." | |
| 1087 | (interactive) | |
| 1088 | (unless gnus-agent-covered-methods | |
| 1089 | (error "No servers are covered by the Gnus agent")) | |
| 1090 | (unless gnus-plugged | |
| 1091 | (error "Can't fetch articles while Gnus is unplugged")) | |
| 1092 | (let ((methods gnus-agent-covered-methods) | |
| 1093 | groups group gnus-command-method) | |
| 1094 | (save-excursion | |
| 1095 | (while methods | |
| 16409b0b GM |
1096 | (condition-case err |
| 1097 | (progn | |
| 1098 | (setq gnus-command-method (car methods)) | |
| 1099 | (when (or (gnus-server-opened gnus-command-method) | |
| 1100 | (gnus-open-server gnus-command-method)) | |
| 1101 | (setq groups (gnus-groups-from-server (car methods))) | |
| 1102 | (gnus-agent-with-fetch | |
| 1103 | (while (setq group (pop groups)) | |
| 1104 | (when (<= (gnus-group-level group) gnus-agent-handle-level) | |
| 1105 | (gnus-agent-fetch-group-1 group gnus-command-method)))))) | |
| 1106 | (error | |
| 1107 | (unless (funcall gnus-agent-confirmation-function | |
| 1108 | (format "Error (%s). Continue? " err)) | |
| 715a2ca2 | 1109 | (error "Cannot fetch articles into the Gnus agent"))) |
| 03f20b47 DL |
1110 | (quit |
| 1111 | (unless (funcall gnus-agent-confirmation-function | |
| 1112 | (format "Quit (%s). Continue? " err)) | |
| 1113 | (signal 'quit "Cannot fetch articles into the Gnus agent.")))) | |
| df80b09f LMI |
1114 | (pop methods)) |
| 1115 | (gnus-message 6 "Finished fetching articles into the Gnus agent")))) | |
| 1116 | ||
| 1117 | (defun gnus-agent-fetch-group-1 (group method) | |
| 1118 | "Fetch GROUP." | |
| 1119 | (let ((gnus-command-method method) | |
| 16409b0b | 1120 | (gnus-newsgroup-name group) |
| df80b09f LMI |
1121 | gnus-newsgroup-dependencies gnus-newsgroup-headers |
| 1122 | gnus-newsgroup-scored gnus-headers gnus-score | |
| 1123 | gnus-use-cache articles arts | |
| 16409b0b GM |
1124 | category predicate info marks score-param |
| 1125 | (gnus-summary-expunge-below gnus-summary-expunge-below) | |
| 1126 | (gnus-summary-mark-below gnus-summary-mark-below) | |
| 1127 | (gnus-orphan-score gnus-orphan-score) | |
| 1128 | ;; Maybe some other gnus-summary local variables should also | |
| 1129 | ;; be put here. | |
| 1130 | ) | |
| 1131 | (unless (gnus-check-group group) | |
| 1132 | (error "Can't open server for %s" group)) | |
| df80b09f LMI |
1133 | ;; Fetch headers. |
| 1134 | (when (and (or (gnus-active group) (gnus-activate-group group)) | |
| 16409b0b | 1135 | (setq articles (gnus-agent-fetch-headers group)) |
| 03f20b47 | 1136 | (let ((nntp-server-buffer gnus-agent-overview-buffer)) |
| 16409b0b GM |
1137 | ;; Parse them and see which articles we want to fetch. |
| 1138 | (setq gnus-newsgroup-dependencies | |
| 1139 | (make-vector (length articles) 0)) | |
| 03f20b47 DL |
1140 | (setq gnus-newsgroup-headers |
| 1141 | (gnus-get-newsgroup-headers-xover articles nil nil | |
| 1142 | group)) | |
| 16409b0b GM |
1143 | ;; `gnus-agent-overview-buffer' may be killed for |
| 1144 | ;; timeout reason. If so, recreate it. | |
| 1145 | (gnus-agent-create-buffer))) | |
| df80b09f LMI |
1146 | (setq category (gnus-group-category group)) |
| 1147 | (setq predicate | |
| 1148 | (gnus-get-predicate | |
| 16409b0b | 1149 | (or (gnus-group-find-parameter group 'agent-predicate t) |
| df80b09f | 1150 | (cadr category)))) |
| 03f20b47 DL |
1151 | (if (memq (caaddr predicate) '(gnus-agent-true gnus-agent-false)) |
| 1152 | ;; Simple implementation | |
| 1153 | (setq arts | |
| 1154 | (and (eq (caaddr predicate) 'gnus-agent-true) articles)) | |
| 1155 | (setq arts nil) | |
| 16409b0b | 1156 | (setq score-param |
| 03f20b47 DL |
1157 | (or (gnus-group-get-parameter group 'agent-score t) |
| 1158 | (caddr category))) | |
| 1159 | ;; Translate score-param into real one | |
| 1160 | (cond | |
| 1161 | ((not score-param)) | |
| 1162 | ((eq score-param 'file) | |
| 1163 | (setq score-param (gnus-all-score-files group))) | |
| 1164 | ((stringp (car score-param))) | |
| 1165 | (t | |
| 1166 | (setq score-param (list (list score-param))))) | |
| 16409b0b GM |
1167 | (when score-param |
| 1168 | (gnus-score-headers score-param)) | |
| 16409b0b GM |
1169 | (while (setq gnus-headers (pop gnus-newsgroup-headers)) |
| 1170 | (setq gnus-score | |
| 1171 | (or (cdr (assq (mail-header-number gnus-headers) | |
| 1172 | gnus-newsgroup-scored)) | |
| 1173 | gnus-summary-default-score)) | |
| 1174 | (when (funcall predicate) | |
| 1175 | (push (mail-header-number gnus-headers) | |
| 1176 | arts)))) | |
| df80b09f LMI |
1177 | ;; Fetch the articles. |
| 1178 | (when arts | |
| 1179 | (gnus-agent-fetch-articles group arts))) | |
| 1180 | ;; Perhaps we have some additional articles to fetch. | |
| 1181 | (setq arts (assq 'download (gnus-info-marks | |
| 1182 | (setq info (gnus-get-info group))))) | |
| 1183 | (when (cdr arts) | |
| 1184 | (gnus-agent-fetch-articles | |
| 1185 | group (gnus-uncompress-range (cdr arts))) | |
| 1186 | (setq marks (delq arts (gnus-info-marks info))) | |
| 16409b0b GM |
1187 | (gnus-info-set-marks info marks) |
| 1188 | (gnus-dribble-enter | |
| 1189 | (concat "(gnus-group-set-info '" | |
| 1190 | (gnus-prin1-to-string info) | |
| 1191 | ")"))))) | |
| df80b09f LMI |
1192 | |
| 1193 | ;;; | |
| 1194 | ;;; Agent Category Mode | |
| 1195 | ;;; | |
| 1196 | ||
| 1197 | (defvar gnus-category-mode-hook nil | |
| 1198 | "Hook run in `gnus-category-mode' buffers.") | |
| 1199 | ||
| 1200 | (defvar gnus-category-line-format " %(%20c%): %g\n" | |
| 1201 | "Format of category lines.") | |
| 1202 | ||
| 1203 | (defvar gnus-category-mode-line-format "Gnus: %%b" | |
| 1204 | "The format specification for the category mode line.") | |
| 1205 | ||
| 1206 | (defvar gnus-agent-short-article 100 | |
| 1207 | "Articles that have fewer lines than this are short.") | |
| 1208 | ||
| 1209 | (defvar gnus-agent-long-article 200 | |
| 1210 | "Articles that have more lines than this are long.") | |
| 1211 | ||
| 1212 | (defvar gnus-agent-low-score 0 | |
| 1213 | "Articles that have a score lower than this have a low score.") | |
| 1214 | ||
| 1215 | (defvar gnus-agent-high-score 0 | |
| 1216 | "Articles that have a score higher than this have a high score.") | |
| 1217 | ||
| 1218 | ||
| 1219 | ;;; Internal variables. | |
| 1220 | ||
| 1221 | (defvar gnus-category-buffer "*Agent Category*") | |
| 1222 | ||
| 1223 | (defvar gnus-category-line-format-alist | |
| 1224 | `((?c gnus-tmp-name ?s) | |
| 1225 | (?g gnus-tmp-groups ?d))) | |
| 1226 | ||
| 1227 | (defvar gnus-category-mode-line-format-alist | |
| 1228 | `((?u user-defined ?s))) | |
| 1229 | ||
| 1230 | (defvar gnus-category-line-format-spec nil) | |
| 1231 | (defvar gnus-category-mode-line-format-spec nil) | |
| 1232 | ||
| 1233 | (defvar gnus-category-mode-map nil) | |
| 1234 | (put 'gnus-category-mode 'mode-class 'special) | |
| 1235 | ||
| 1236 | (unless gnus-category-mode-map | |
| 1237 | (setq gnus-category-mode-map (make-sparse-keymap)) | |
| 1238 | (suppress-keymap gnus-category-mode-map) | |
| 1239 | ||
| 1240 | (gnus-define-keys gnus-category-mode-map | |
| 1241 | "q" gnus-category-exit | |
| 1242 | "k" gnus-category-kill | |
| 1243 | "c" gnus-category-copy | |
| 1244 | "a" gnus-category-add | |
| 1245 | "p" gnus-category-edit-predicate | |
| 1246 | "g" gnus-category-edit-groups | |
| 1247 | "s" gnus-category-edit-score | |
| 1248 | "l" gnus-category-list | |
| 1249 | ||
| 1250 | "\C-c\C-i" gnus-info-find-node | |
| 1251 | "\C-c\C-b" gnus-bug)) | |
| 1252 | ||
| 1253 | (defvar gnus-category-menu-hook nil | |
| 1254 | "*Hook run after the creation of the menu.") | |
| 1255 | ||
| 1256 | (defun gnus-category-make-menu-bar () | |
| 1257 | (gnus-turn-off-edit-menu 'category) | |
| 1258 | (unless (boundp 'gnus-category-menu) | |
| 1259 | (easy-menu-define | |
| 1260 | gnus-category-menu gnus-category-mode-map "" | |
| 1261 | '("Categories" | |
| 1262 | ["Add" gnus-category-add t] | |
| 1263 | ["Kill" gnus-category-kill t] | |
| 1264 | ["Copy" gnus-category-copy t] | |
| 1265 | ["Edit predicate" gnus-category-edit-predicate t] | |
| 1266 | ["Edit score" gnus-category-edit-score t] | |
| 1267 | ["Edit groups" gnus-category-edit-groups t] | |
| 1268 | ["Exit" gnus-category-exit t])) | |
| 1269 | ||
| 1270 | (gnus-run-hooks 'gnus-category-menu-hook))) | |
| 1271 | ||
| 1272 | (defun gnus-category-mode () | |
| 1273 | "Major mode for listing and editing agent categories. | |
| 1274 | ||
| 1275 | All normal editing commands are switched off. | |
| 1276 | \\<gnus-category-mode-map> | |
| 1277 | For more in-depth information on this mode, read the manual | |
| 1278 | (`\\[gnus-info-find-node]'). | |
| 1279 | ||
| 1280 | The following commands are available: | |
| 1281 | ||
| 1282 | \\{gnus-category-mode-map}" | |
| 1283 | (interactive) | |
| 1284 | (when (gnus-visual-p 'category-menu 'menu) | |
| 1285 | (gnus-category-make-menu-bar)) | |
| 1286 | (kill-all-local-variables) | |
| 1287 | (gnus-simplify-mode-line) | |
| 1288 | (setq major-mode 'gnus-category-mode) | |
| 1289 | (setq mode-name "Category") | |
| 1290 | (gnus-set-default-directory) | |
| 1291 | (setq mode-line-process nil) | |
| 1292 | (use-local-map gnus-category-mode-map) | |
| 16409b0b | 1293 | (buffer-disable-undo) |
| df80b09f LMI |
1294 | (setq truncate-lines t) |
| 1295 | (setq buffer-read-only t) | |
| 1296 | (gnus-run-hooks 'gnus-category-mode-hook)) | |
| 1297 | ||
| 1298 | (defalias 'gnus-category-position-point 'gnus-goto-colon) | |
| 1299 | ||
| 1300 | (defun gnus-category-insert-line (category) | |
| 1301 | (let* ((gnus-tmp-name (car category)) | |
| 1302 | (gnus-tmp-groups (length (cadddr category)))) | |
| 1303 | (beginning-of-line) | |
| 1304 | (gnus-add-text-properties | |
| 1305 | (point) | |
| 1306 | (prog1 (1+ (point)) | |
| 1307 | ;; Insert the text. | |
| 1308 | (eval gnus-category-line-format-spec)) | |
| 1309 | (list 'gnus-category gnus-tmp-name)))) | |
| 1310 | ||
| 1311 | (defun gnus-enter-category-buffer () | |
| 1312 | "Go to the Category buffer." | |
| 1313 | (interactive) | |
| 1314 | (gnus-category-setup-buffer) | |
| 1315 | (gnus-configure-windows 'category) | |
| 1316 | (gnus-category-prepare)) | |
| 1317 | ||
| 1318 | (defun gnus-category-setup-buffer () | |
| 1319 | (unless (get-buffer gnus-category-buffer) | |
| 1320 | (save-excursion | |
| 1321 | (set-buffer (gnus-get-buffer-create gnus-category-buffer)) | |
| 1322 | (gnus-category-mode)))) | |
| 1323 | ||
| 1324 | (defun gnus-category-prepare () | |
| 1325 | (gnus-set-format 'category-mode) | |
| 1326 | (gnus-set-format 'category t) | |
| 1327 | (let ((alist gnus-category-alist) | |
| 1328 | (buffer-read-only nil)) | |
| 1329 | (erase-buffer) | |
| 1330 | (while alist | |
| 1331 | (gnus-category-insert-line (pop alist))) | |
| 1332 | (goto-char (point-min)) | |
| 1333 | (gnus-category-position-point))) | |
| 1334 | ||
| 1335 | (defun gnus-category-name () | |
| 1336 | (or (get-text-property (gnus-point-at-bol) 'gnus-category) | |
| 1337 | (error "No category on the current line"))) | |
| 1338 | ||
| 1339 | (defun gnus-category-read () | |
| 1340 | "Read the category alist." | |
| 1341 | (setq gnus-category-alist | |
| 1342 | (or (gnus-agent-read-file | |
| 1343 | (nnheader-concat gnus-agent-directory "lib/categories")) | |
| 1344 | (list (list 'default 'short nil nil))))) | |
| 1345 | ||
| 1346 | (defun gnus-category-write () | |
| 1347 | "Write the category alist." | |
| 1348 | (setq gnus-category-predicate-cache nil | |
| 1349 | gnus-category-group-cache nil) | |
| 16409b0b GM |
1350 | (gnus-make-directory (nnheader-concat gnus-agent-directory "lib")) |
| 1351 | (with-temp-file (nnheader-concat gnus-agent-directory "lib/categories") | |
| df80b09f LMI |
1352 | (prin1 gnus-category-alist (current-buffer)))) |
| 1353 | ||
| 1354 | (defun gnus-category-edit-predicate (category) | |
| 1355 | "Edit the predicate for CATEGORY." | |
| 1356 | (interactive (list (gnus-category-name))) | |
| 1357 | (let ((info (assq category gnus-category-alist))) | |
| 1358 | (gnus-edit-form | |
| 1359 | (cadr info) (format "Editing the predicate for category %s" category) | |
| 1360 | `(lambda (predicate) | |
| 16409b0b | 1361 | (setcar (cdr (assq ',category gnus-category-alist)) predicate) |
| df80b09f LMI |
1362 | (gnus-category-write) |
| 1363 | (gnus-category-list))))) | |
| 1364 | ||
| 1365 | (defun gnus-category-edit-score (category) | |
| 1366 | "Edit the score expression for CATEGORY." | |
| 1367 | (interactive (list (gnus-category-name))) | |
| 1368 | (let ((info (assq category gnus-category-alist))) | |
| 1369 | (gnus-edit-form | |
| 1370 | (caddr info) | |
| 1371 | (format "Editing the score expression for category %s" category) | |
| 1372 | `(lambda (groups) | |
| 16409b0b | 1373 | (setcar (cddr (assq ',category gnus-category-alist)) groups) |
| df80b09f LMI |
1374 | (gnus-category-write) |
| 1375 | (gnus-category-list))))) | |
| 1376 | ||
| 1377 | (defun gnus-category-edit-groups (category) | |
| 1378 | "Edit the group list for CATEGORY." | |
| 1379 | (interactive (list (gnus-category-name))) | |
| 1380 | (let ((info (assq category gnus-category-alist))) | |
| 1381 | (gnus-edit-form | |
| 1382 | (cadddr info) (format "Editing the group list for category %s" category) | |
| 1383 | `(lambda (groups) | |
| 16409b0b | 1384 | (setcar (nthcdr 3 (assq ',category gnus-category-alist)) groups) |
| df80b09f LMI |
1385 | (gnus-category-write) |
| 1386 | (gnus-category-list))))) | |
| 1387 | ||
| 1388 | (defun gnus-category-kill (category) | |
| 1389 | "Kill the current category." | |
| 1390 | (interactive (list (gnus-category-name))) | |
| 1391 | (let ((info (assq category gnus-category-alist)) | |
| 1392 | (buffer-read-only nil)) | |
| 1393 | (gnus-delete-line) | |
| 16409b0b GM |
1394 | (setq gnus-category-alist (delq info gnus-category-alist)) |
| 1395 | (gnus-category-write))) | |
| df80b09f LMI |
1396 | |
| 1397 | (defun gnus-category-copy (category to) | |
| 1398 | "Copy the current category." | |
| 1399 | (interactive (list (gnus-category-name) (intern (read-string "New name: ")))) | |
| 1400 | (let ((info (assq category gnus-category-alist))) | |
| 1401 | (push (list to (gnus-copy-sequence (cadr info)) | |
| 1402 | (gnus-copy-sequence (caddr info)) nil) | |
| 1403 | gnus-category-alist) | |
| 1404 | (gnus-category-write) | |
| 1405 | (gnus-category-list))) | |
| 1406 | ||
| 1407 | (defun gnus-category-add (category) | |
| 1408 | "Create a new category." | |
| 1409 | (interactive "SCategory name: ") | |
| 1410 | (when (assq category gnus-category-alist) | |
| 1411 | (error "Category %s already exists" category)) | |
| 16409b0b | 1412 | (push (list category 'false nil nil) |
| df80b09f LMI |
1413 | gnus-category-alist) |
| 1414 | (gnus-category-write) | |
| 1415 | (gnus-category-list)) | |
| 1416 | ||
| 1417 | (defun gnus-category-list () | |
| 1418 | "List all categories." | |
| 1419 | (interactive) | |
| 1420 | (gnus-category-prepare)) | |
| 1421 | ||
| 1422 | (defun gnus-category-exit () | |
| 1423 | "Return to the group buffer." | |
| 1424 | (interactive) | |
| 1425 | (kill-buffer (current-buffer)) | |
| 1426 | (gnus-configure-windows 'group t)) | |
| 1427 | ||
| 1428 | ;; To avoid having 8-bit characters in the source file. | |
| 1429 | (defvar gnus-category-not (list '! 'not (intern (format "%c" 172)))) | |
| 1430 | ||
| 1431 | (defvar gnus-category-predicate-alist | |
| 1432 | '((spam . gnus-agent-spam-p) | |
| 1433 | (short . gnus-agent-short-p) | |
| 1434 | (long . gnus-agent-long-p) | |
| 1435 | (low . gnus-agent-low-scored-p) | |
| 1436 | (high . gnus-agent-high-scored-p) | |
| 1437 | (true . gnus-agent-true) | |
| 1438 | (false . gnus-agent-false)) | |
| 1439 | "Mapping from short score predicate symbols to predicate functions.") | |
| 1440 | ||
| 1441 | (defun gnus-agent-spam-p () | |
| 1442 | "Say whether an article is spam or not." | |
| 1443 | (unless gnus-agent-spam-hashtb | |
| 1444 | (setq gnus-agent-spam-hashtb (gnus-make-hashtable 1000))) | |
| 1445 | (if (not (equal (mail-header-references gnus-headers) "")) | |
| 1446 | nil | |
| 1447 | (let ((string (gnus-simplify-subject (mail-header-subject gnus-headers)))) | |
| 1448 | (prog1 | |
| 1449 | (gnus-gethash string gnus-agent-spam-hashtb) | |
| 1450 | (gnus-sethash string t gnus-agent-spam-hashtb))))) | |
| 1451 | ||
| 1452 | (defun gnus-agent-short-p () | |
| 1453 | "Say whether an article is short or not." | |
| 1454 | (< (mail-header-lines gnus-headers) gnus-agent-short-article)) | |
| 1455 | ||
| 1456 | (defun gnus-agent-long-p () | |
| 1457 | "Say whether an article is long or not." | |
| 1458 | (> (mail-header-lines gnus-headers) gnus-agent-long-article)) | |
| 1459 | ||
| 1460 | (defun gnus-agent-low-scored-p () | |
| 1461 | "Say whether an article has a low score or not." | |
| 1462 | (< gnus-score gnus-agent-low-score)) | |
| 1463 | ||
| 1464 | (defun gnus-agent-high-scored-p () | |
| 1465 | "Say whether an article has a high score or not." | |
| 1466 | (> gnus-score gnus-agent-high-score)) | |
| 1467 | ||
| 1468 | (defun gnus-category-make-function (cat) | |
| 1469 | "Make a function from category CAT." | |
| 1470 | `(lambda () ,(gnus-category-make-function-1 cat))) | |
| 1471 | ||
| 1472 | (defun gnus-agent-true () | |
| 1473 | "Return t." | |
| 1474 | t) | |
| 1475 | ||
| 1476 | (defun gnus-agent-false () | |
| 1477 | "Return nil." | |
| 1478 | nil) | |
| 1479 | ||
| 1480 | (defun gnus-category-make-function-1 (cat) | |
| 1481 | "Make a function from category CAT." | |
| 1482 | (cond | |
| 1483 | ;; Functions are just returned as is. | |
| 1484 | ((or (symbolp cat) | |
| 1485 | (gnus-functionp cat)) | |
| 1486 | `(,(or (cdr (assq cat gnus-category-predicate-alist)) | |
| 1487 | cat))) | |
| 1488 | ;; More complex category. | |
| 1489 | ((consp cat) | |
| 1490 | `(,(cond | |
| 1491 | ((memq (car cat) '(& and)) | |
| 1492 | 'and) | |
| 1493 | ((memq (car cat) '(| or)) | |
| 1494 | 'or) | |
| 1495 | ((memq (car cat) gnus-category-not) | |
| 1496 | 'not)) | |
| 1497 | ,@(mapcar 'gnus-category-make-function-1 (cdr cat)))) | |
| 1498 | (t | |
| 1499 | (error "Unknown category type: %s" cat)))) | |
| 1500 | ||
| 1501 | (defun gnus-get-predicate (predicate) | |
| 1502 | "Return the predicate for CATEGORY." | |
| 1503 | (or (cdr (assoc predicate gnus-category-predicate-cache)) | |
| 1504 | (cdar (push (cons predicate | |
| 1505 | (gnus-category-make-function predicate)) | |
| 1506 | gnus-category-predicate-cache)))) | |
| 1507 | ||
| 1508 | (defun gnus-group-category (group) | |
| 1509 | "Return the category GROUP belongs to." | |
| 1510 | (unless gnus-category-group-cache | |
| 1511 | (setq gnus-category-group-cache (gnus-make-hashtable 1000)) | |
| 1512 | (let ((cs gnus-category-alist) | |
| 1513 | groups cat) | |
| 1514 | (while (setq cat (pop cs)) | |
| 1515 | (setq groups (cadddr cat)) | |
| 1516 | (while groups | |
| 1517 | (gnus-sethash (pop groups) cat gnus-category-group-cache))))) | |
| 1518 | (or (gnus-gethash group gnus-category-group-cache) | |
| 1519 | (assq 'default gnus-category-alist))) | |
| 1520 | ||
| 1521 | (defun gnus-agent-expire () | |
| 1522 | "Expire all old articles." | |
| 1523 | (interactive) | |
| 1524 | (let ((methods gnus-agent-covered-methods) | |
| 16409b0b | 1525 | (day (- (time-to-days (current-time)) gnus-agent-expire-days)) |
| df80b09f LMI |
1526 | gnus-command-method sym group articles |
| 1527 | history overview file histories elem art nov-file low info | |
| 16409b0b | 1528 | unreads marked article orig lowest highest) |
| df80b09f LMI |
1529 | (save-excursion |
| 1530 | (setq overview (gnus-get-buffer-create " *expire overview*")) | |
| 1531 | (while (setq gnus-command-method (pop methods)) | |
| 16409b0b GM |
1532 | (when (file-exists-p (gnus-agent-lib-file "active")) |
| 1533 | (with-temp-buffer | |
| 1534 | (nnheader-insert-file-contents (gnus-agent-lib-file "active")) | |
| 1535 | (gnus-active-to-gnus-format | |
| 1536 | gnus-command-method | |
| 1537 | (setq orig (gnus-make-hashtable | |
| 1538 | (count-lines (point-min) (point-max)))))) | |
| 1539 | (let ((expiry-hashtb (gnus-make-hashtable 1023))) | |
| 1540 | (gnus-agent-open-history) | |
| 1541 | (set-buffer | |
| 1542 | (setq gnus-agent-current-history | |
| 1543 | (setq history (gnus-agent-history-buffer)))) | |
| 1544 | (goto-char (point-min)) | |
| 1545 | (when (> (buffer-size) 1) | |
| 1546 | (goto-char (point-min)) | |
| 1547 | (while (not (eobp)) | |
| 1548 | (skip-chars-forward "^\t") | |
| 1549 | (if (> (read (current-buffer)) day) | |
| 1550 | ;; New article; we don't expire it. | |
| 1551 | (forward-line 1) | |
| 1552 | ;; Old article. Schedule it for possible nuking. | |
| 1553 | (while (not (eolp)) | |
| 1554 | (setq sym (let ((obarray expiry-hashtb) s) | |
| 1555 | (setq s (read (current-buffer))) | |
| 1556 | (if (stringp s) (intern s) s))) | |
| 1557 | (if (boundp sym) | |
| 1558 | (set sym (cons (cons (read (current-buffer)) (point)) | |
| 1559 | (symbol-value sym))) | |
| 1560 | (set sym (list (cons (read (current-buffer)) (point))))) | |
| 1561 | (skip-chars-forward " ")) | |
| 1562 | (forward-line 1))) | |
| 1563 | ;; We now have all articles that can possibly be expired. | |
| 1564 | (mapatoms | |
| 1565 | (lambda (sym) | |
| 1566 | (setq group (symbol-name sym) | |
| 1567 | articles (sort (symbol-value sym) 'car-less-than-car) | |
| 1568 | low (car (gnus-active group)) | |
| 1569 | info (gnus-get-info group) | |
| 1570 | unreads (ignore-errors | |
| 1571 | (gnus-list-of-unread-articles group)) | |
| 1572 | marked (nconc | |
| 1573 | (gnus-uncompress-range | |
| 1574 | (cdr (assq 'tick (gnus-info-marks info)))) | |
| 1575 | (gnus-uncompress-range | |
| 1576 | (cdr (assq 'dormant | |
| 1577 | (gnus-info-marks info))))) | |
| 1578 | nov-file (gnus-agent-article-name ".overview" group) | |
| 1579 | lowest nil | |
| 1580 | highest nil) | |
| 1581 | (gnus-agent-load-alist group) | |
| 1582 | (gnus-message 5 "Expiring articles in %s" group) | |
| 1583 | (set-buffer overview) | |
| 1584 | (erase-buffer) | |
| 1585 | (when (file-exists-p nov-file) | |
| 1586 | (nnheader-insert-file-contents nov-file)) | |
| 1587 | (goto-char (point-min)) | |
| 1588 | (setq article 0) | |
| 1589 | (while (setq elem (pop articles)) | |
| 1590 | (setq article (car elem)) | |
| 1591 | (when (or (null low) | |
| 1592 | (< article low) | |
| 1593 | gnus-agent-expire-all | |
| 1594 | (and (not (memq article unreads)) | |
| 1595 | (not (memq article marked)))) | |
| 1596 | ;; Find and nuke the NOV line. | |
| 1597 | (while (and (not (eobp)) | |
| 1598 | (or (not (numberp | |
| 1599 | (setq art (read (current-buffer))))) | |
| 1600 | (< art article))) | |
| 1601 | (if (and (numberp art) | |
| 1602 | (file-exists-p | |
| df80b09f | 1603 | (gnus-agent-article-name |
| 16409b0b GM |
1604 | (number-to-string art) group))) |
| 1605 | (progn | |
| 1606 | (unless lowest | |
| 1607 | (setq lowest art)) | |
| 1608 | (setq highest art) | |
| 1609 | (forward-line 1)) | |
| 1610 | ;; Remove old NOV lines that have no articles. | |
| 1611 | (gnus-delete-line))) | |
| 1612 | (if (or (eobp) | |
| 1613 | (/= art article)) | |
| 1614 | (beginning-of-line) | |
| 1615 | (gnus-delete-line)) | |
| 1616 | ;; Nuke the article. | |
| 1617 | (when (file-exists-p | |
| 1618 | (setq file (gnus-agent-article-name | |
| 1619 | (number-to-string article) | |
| 1620 | group))) | |
| 1621 | (delete-file file)) | |
| 1622 | ;; Schedule the history line for nuking. | |
| 1623 | (push (cdr elem) histories))) | |
| 1624 | (gnus-make-directory (file-name-directory nov-file)) | |
| 1625 | (let ((coding-system-for-write | |
| 1626 | gnus-agent-file-coding-system)) | |
| 1627 | (write-region (point-min) (point-max) nov-file nil 'silent)) | |
| 1628 | ;; Delete the unwanted entries in the alist. | |
| 1629 | (setq gnus-agent-article-alist | |
| 1630 | (sort gnus-agent-article-alist 'car-less-than-car)) | |
| 1631 | (let* ((alist gnus-agent-article-alist) | |
| 1632 | (prev (cons nil alist)) | |
| 1633 | (first prev) | |
| 1634 | expired) | |
| 1635 | (while (and alist | |
| 1636 | (<= (caar alist) article)) | |
| 1637 | (if (or (not (cdar alist)) | |
| 1638 | (not (file-exists-p | |
| 1639 | (gnus-agent-article-name | |
| 1640 | (number-to-string | |
| 1641 | (caar alist)) | |
| 1642 | group)))) | |
| 1643 | (progn | |
| 1644 | (push (caar alist) expired) | |
| 1645 | (setcdr prev (setq alist (cdr alist)))) | |
| 1646 | (setq prev alist | |
| 1647 | alist (cdr alist)))) | |
| 1648 | (setq gnus-agent-article-alist (cdr first)) | |
| 1649 | (gnus-agent-save-alist group) | |
| 1650 | ;; Mark all articles up to the first article | |
| 1651 | ;; in `gnus-article-alist' as read. | |
| 1652 | (when (and info (caar gnus-agent-article-alist)) | |
| 1653 | (setcar (nthcdr 2 info) | |
| 1654 | (gnus-range-add | |
| 1655 | (nth 2 info) | |
| 1656 | (cons 1 (- (caar gnus-agent-article-alist) 1))))) | |
| 1657 | ;; Maybe everything has been expired from `gnus-article-alist' | |
| 1658 | ;; and so the above marking as read could not be conducted, | |
| 1659 | ;; or there are expired article within the range of the alist. | |
| 1660 | (when (and info | |
| 1661 | expired | |
| 1662 | (or (not (caar gnus-agent-article-alist)) | |
| 1663 | (> (car expired) | |
| 1664 | (caar gnus-agent-article-alist)))) | |
| 1665 | (setcar (nthcdr 2 info) | |
| 1666 | (gnus-add-to-range | |
| 1667 | (nth 2 info) | |
| 1668 | (nreverse expired)))) | |
| 1669 | (gnus-dribble-enter | |
| 1670 | (concat "(gnus-group-set-info '" | |
| 1671 | (gnus-prin1-to-string info) | |
| 1672 | ")"))) | |
| 1673 | (when lowest | |
| 1674 | (if (gnus-gethash group orig) | |
| 1675 | (setcar (gnus-gethash group orig) lowest) | |
| 1676 | (gnus-sethash group (cons lowest highest) orig)))) | |
| 1677 | expiry-hashtb) | |
| 1678 | (set-buffer history) | |
| 1679 | (setq histories (nreverse (sort histories '<))) | |
| 1680 | (while histories | |
| 1681 | (goto-char (pop histories)) | |
| 1682 | (gnus-delete-line)) | |
| 1683 | (gnus-agent-save-history) | |
| 1684 | (gnus-agent-close-history) | |
| 1685 | (gnus-write-active-file | |
| 1686 | (gnus-agent-lib-file "active") orig)) | |
| 1687 | (gnus-message 4 "Expiry...done"))))))) | |
| df80b09f LMI |
1688 | |
| 1689 | ;;;###autoload | |
| 1690 | (defun gnus-agent-batch () | |
| 1691 | (interactive) | |
| 1692 | (let ((init-file-user "") | |
| 1693 | (gnus-always-read-dribble-file t)) | |
| 1694 | (gnus)) | |
| 1695 | (gnus-group-send-drafts) | |
| 1696 | (gnus-agent-fetch-session)) | |
| 1697 | ||
| 1698 | (provide 'gnus-agent) | |
| 1699 | ||
| 1700 | ;;; gnus-agent.el ends here |