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Diffstat (limited to 'lisp/gnus/nnkiboze.el')
-rw-r--r-- | lisp/gnus/nnkiboze.el | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/lisp/gnus/nnkiboze.el b/lisp/gnus/nnkiboze.el deleted file mode 100644 index 17a10e66191..00000000000 --- a/lisp/gnus/nnkiboze.el +++ /dev/null @@ -1,391 +0,0 @@ -;;; nnkiboze.el --- select virtual news access for Gnus - -;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, -;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. - -;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> -;; Keywords: news - -;; This file is part of GNU Emacs. - -;; GNU Emacs is free software: you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation, either version 3 of the License, or -;; (at your option) any later version. - -;; GNU Emacs is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. - -;;; Commentary: - -;; The other access methods (nntp, nnspool, etc) are general news -;; access methods. This module relies on Gnus and can't be used -;; separately. - -;;; Code: - -(require 'nntp) -(require 'nnheader) -(require 'gnus) -(require 'gnus-score) -(require 'nnoo) -(require 'mm-util) -(eval-when-compile (require 'cl)) - -(nnoo-declare nnkiboze) -(defvoo nnkiboze-directory (nnheader-concat gnus-directory "kiboze/") - "nnkiboze will put its files in this directory.") - -(defvoo nnkiboze-level 9 - "The maximum level to be searched for articles.") - -(defvoo nnkiboze-remove-read-articles t - "If non-nil, nnkiboze will remove read articles from the kiboze group.") - -(defvoo nnkiboze-ephemeral nil - "If non-nil, don't store any data anywhere.") - -(defvoo nnkiboze-scores nil - "Score rules for generating the nnkiboze group.") - -(defvoo nnkiboze-regexp nil - "Regexp for matching component groups.") - -(defvoo nnkiboze-file-coding-system mm-text-coding-system - "Coding system for nnkiboze files.") - - - -(defconst nnkiboze-version "nnkiboze 1.0") - -(defvoo nnkiboze-current-group nil) -(defvoo nnkiboze-status-string "") - -(defvoo nnkiboze-headers nil) - - - -;;; Interface functions. - -(nnoo-define-basics nnkiboze) - -(deffoo nnkiboze-retrieve-headers (articles &optional group server fetch-old) - (nnkiboze-possibly-change-group group) - (unless gnus-nov-is-evil - (if (stringp (car articles)) - 'headers - (let ((nov (nnkiboze-nov-file-name))) - (when (file-exists-p nov) - (save-excursion - (set-buffer nntp-server-buffer) - (erase-buffer) - (let ((nnheader-file-coding-system nnkiboze-file-coding-system)) - (nnheader-insert-file-contents nov)) - (nnheader-nov-delete-outside-range - (car articles) (car (last articles))) - 'nov)))))) - -(deffoo nnkiboze-request-article (article &optional newsgroup server buffer) - (nnkiboze-possibly-change-group newsgroup) - (if (not (numberp article)) - ;; This is a real kludge. It might not work at times, but it - ;; does no harm I think. The only alternative is to offer no - ;; article fetching by message-id at all. - (nntp-request-article article newsgroup gnus-nntp-server buffer) - (let* ((header (gnus-summary-article-header article)) - (xref (mail-header-xref header)) - num group) - (unless xref - (error "nnkiboze: No xref")) - (unless (string-match " \\([^ ]+\\):\\([0-9]+\\)" xref) - (error "nnkiboze: Malformed xref")) - (setq num (string-to-number (match-string 2 xref)) - group (match-string 1 xref)) - (or (with-current-buffer buffer - (or (and gnus-use-cache (gnus-cache-request-article num group)) - (gnus-agent-request-article num group))) - (gnus-request-article num group buffer))))) - -(deffoo nnkiboze-request-scan (&optional group server) - (nnkiboze-possibly-change-group group) - (nnkiboze-generate-group (concat "nnkiboze:" group))) - -(deffoo nnkiboze-request-group (group &optional server dont-check) - "Make GROUP the current newsgroup." - (nnkiboze-possibly-change-group group) - (if dont-check - t - (let ((nov-file (nnkiboze-nov-file-name)) - beg end total) - (save-excursion - (set-buffer nntp-server-buffer) - (erase-buffer) - (unless (file-exists-p nov-file) - (nnkiboze-request-scan group)) - (if (not (file-exists-p nov-file)) - (nnheader-report 'nnkiboze "Can't select group %s" group) - (let ((nnheader-file-coding-system nnkiboze-file-coding-system)) - (nnheader-insert-file-contents nov-file)) - (if (zerop (buffer-size)) - (nnheader-insert "211 0 0 0 %s\n" group) - (goto-char (point-min)) - (when (looking-at "[0-9]+") - (setq beg (read (current-buffer)))) - (goto-char (point-max)) - (when (re-search-backward "^[0-9]" nil t) - (setq end (read (current-buffer)))) - (setq total (count-lines (point-min) (point-max))) - (nnheader-insert "211 %d %d %d %s\n" total beg end group))))))) - -(deffoo nnkiboze-close-group (group &optional server) - (nnkiboze-possibly-change-group group) - ;; Remove NOV lines of articles that are marked as read. - (when (and (file-exists-p (nnkiboze-nov-file-name)) - nnkiboze-remove-read-articles) - (let ((coding-system-for-write nnkiboze-file-coding-system)) - (with-temp-file (nnkiboze-nov-file-name) - (let ((cur (current-buffer)) - (nnheader-file-coding-system nnkiboze-file-coding-system)) - (nnheader-insert-file-contents (nnkiboze-nov-file-name)) - (goto-char (point-min)) - (while (not (eobp)) - (if (not (gnus-article-read-p (read cur))) - (forward-line 1) - (gnus-delete-line)))))) - (setq nnkiboze-current-group nil))) - -(deffoo nnkiboze-open-server (server &optional defs) - (unless (assq 'nnkiboze-regexp defs) - (push `(nnkiboze-regexp ,server) - defs)) - (nnoo-change-server 'nnkiboze server defs)) - -(deffoo nnkiboze-request-delete-group (group &optional force server) - (nnkiboze-possibly-change-group group) - (when force - (let ((files (nconc - (nnkiboze-score-file group) - (list (nnkiboze-nov-file-name) - (nnkiboze-nov-file-name ".newsrc"))))) - (while files - (and (file-exists-p (car files)) - (file-writable-p (car files)) - (delete-file (car files))) - (setq files (cdr files))))) - (setq nnkiboze-current-group nil) - t) - -(nnoo-define-skeleton nnkiboze) - - -;;; Internal functions. - -(defun nnkiboze-possibly-change-group (group) - (setq nnkiboze-current-group group)) - -(defun nnkiboze-prefixed-name (group) - (gnus-group-prefixed-name group '(nnkiboze ""))) - -;;;###autoload -(defun nnkiboze-generate-groups () - "\"Usage: emacs -batch -l nnkiboze -f nnkiboze-generate-groups\". -Finds out what articles are to be part of the nnkiboze groups." - (interactive) - (let ((mail-sources nil) - (gnus-use-dribble-file nil) - (gnus-read-active-file t) - (gnus-expert-user t)) - (gnus)) - (let* ((gnus-newsrc-alist (gnus-copy-sequence gnus-newsrc-alist)) - (newsrc (cdr gnus-newsrc-alist)) - gnus-newsrc-hashtb info) - (gnus-make-hashtable-from-newsrc-alist) - ;; We have copied all the newsrc alist info over to local copies - ;; so that we can mess all we want with these lists. - (while (setq info (pop newsrc)) - (when (string-match "nnkiboze" (gnus-info-group info)) - ;; For each kiboze group, we call this function to generate - ;; it. - (nnkiboze-generate-group (gnus-info-group info) t)))) - (save-excursion - (set-buffer gnus-group-buffer) - (gnus-group-list-groups))) - -(defun nnkiboze-score-file (group) - (list (expand-file-name - (concat (file-name-as-directory gnus-kill-files-directory) - (nnheader-translate-file-chars - (concat (nnkiboze-prefixed-name nnkiboze-current-group) - "." gnus-score-file-suffix)))))) - -(defun nnkiboze-generate-group (group &optional inhibit-list-groups) - (let* ((info (gnus-get-info group)) - (newsrc-file (concat nnkiboze-directory - (nnheader-translate-file-chars - (concat group ".newsrc")))) - (nov-file (concat nnkiboze-directory - (nnheader-translate-file-chars - (concat group ".nov")))) - method nnkiboze-newsrc gname newsrc active - ginfo lowest glevel orig-info nov-buffer - ;; Bind various things to nil to make group entry faster. - (gnus-expert-user t) - (gnus-large-newsgroup nil) - (gnus-score-find-score-files-function 'nnkiboze-score-file) - ;; Use only nnkiboze-score-file! - (gnus-score-use-all-scores nil) - (gnus-use-scoring t) - (gnus-verbose (min gnus-verbose 3)) - gnus-select-group-hook gnus-summary-prepare-hook - gnus-thread-sort-functions gnus-show-threads - gnus-visual gnus-suppress-duplicates num-unread) - (unless info - (error "No such group: %s" group)) - ;; Load the kiboze newsrc file for this group. - (when (file-exists-p newsrc-file) - (load newsrc-file)) - (let ((coding-system-for-write nnkiboze-file-coding-system)) - (gnus-make-directory (file-name-directory nov-file)) - (with-temp-file nov-file - (mm-disable-multibyte) - (when (file-exists-p nov-file) - (insert-file-contents nov-file)) - (setq nov-buffer (current-buffer)) - ;; Go through the active hashtb and add new all groups that match the - ;; kiboze regexp. - (mapatoms - (lambda (group) - (and (string-match nnkiboze-regexp - (setq gname (symbol-name group))) ; Match - (not (assoc gname nnkiboze-newsrc)) ; It isn't registered - (numberp (car (symbol-value group))) ; It is active - (or (> nnkiboze-level 7) - (and (setq glevel - (gnus-info-level (gnus-get-info gname))) - (>= nnkiboze-level glevel))) - (not (string-match "^nnkiboze:" gname)) ; Exclude kibozes - (push (cons gname (1- (car (symbol-value group)))) - nnkiboze-newsrc))) - gnus-active-hashtb) - ;; `newsrc' is set to the list of groups that possibly are - ;; component groups to this kiboze group. This list has elements - ;; on the form `(GROUP . NUMBER)', where NUMBER is the highest - ;; number that has been kibozed in GROUP in this kiboze group. - (setq newsrc nnkiboze-newsrc) - (while newsrc - (if (not (setq active (gnus-active (caar newsrc)))) - ;; This group isn't active after all, so we remove it from - ;; the list of component groups. - (setq nnkiboze-newsrc (delq (car newsrc) nnkiboze-newsrc)) - (setq lowest (cdar newsrc)) - ;; Ok, we have a valid component group, so we jump to it. - (switch-to-buffer gnus-group-buffer) - (gnus-group-jump-to-group (caar newsrc)) - (gnus-message 3 "nnkiboze: Checking %s..." (caar newsrc)) - (setq ginfo (gnus-get-info (gnus-group-group-name)) - orig-info (gnus-copy-sequence ginfo) - num-unread (gnus-group-unread (caar newsrc))) - (unwind-protect - (progn - ;; We set all list of article marks to nil. Since we operate - ;; on copies of the real lists, we can destroy anything we - ;; want here. - (when (nth 3 ginfo) - (setcar (nthcdr 3 ginfo) nil)) - ;; We set the list of read articles to be what we expect for - ;; this kiboze group -- either nil or `(1 . LOWEST)'. - (when ginfo - (setcar (nthcdr 2 ginfo) - (and (not (= lowest 1)) (cons 1 lowest)))) - (when (and (or (not ginfo) - (> (length (gnus-list-of-unread-articles - (car ginfo))) - 0)) - (progn - (ignore-errors - (gnus-group-select-group nil)) - (eq major-mode 'gnus-summary-mode))) - ;; We are now in the group where we want to be. - (setq method (gnus-find-method-for-group - gnus-newsgroup-name)) - (when (eq method gnus-select-method) - (setq method nil)) - ;; We go through the list of scored articles. - (while gnus-newsgroup-scored - (when (> (caar gnus-newsgroup-scored) lowest) - ;; If it has a good score, then we enter this article - ;; into the kiboze group. - (nnkiboze-enter-nov - nov-buffer - (gnus-summary-article-header - (caar gnus-newsgroup-scored)) - gnus-newsgroup-name)) - (setq gnus-newsgroup-scored (cdr gnus-newsgroup-scored))) - ;; That's it. We exit this group. - (when (eq major-mode 'gnus-summary-mode) - (kill-buffer (current-buffer))))) - ;; Restore the proper info. - (when ginfo - (setcdr ginfo (cdr orig-info))) - (setcar (gnus-group-entry (caar newsrc)) num-unread))) - (setcdr (car newsrc) (cdr active)) - (gnus-message 3 "nnkiboze: Checking %s...done" (caar newsrc)) - (setq newsrc (cdr newsrc))))) - ;; We save the kiboze newsrc for this group. - (gnus-make-directory (file-name-directory newsrc-file)) - (with-temp-file newsrc-file - (mm-disable-multibyte) - (insert "(setq nnkiboze-newsrc '") - (gnus-prin1 nnkiboze-newsrc) - (insert ")\n")) - (unless inhibit-list-groups - (save-excursion - (set-buffer gnus-group-buffer) - (gnus-group-list-groups))) - t)) - -(defun nnkiboze-enter-nov (buffer header group) - (save-excursion - (set-buffer buffer) - (goto-char (point-max)) - (let ((prefix (gnus-group-real-prefix group)) - (oheader (copy-sequence header)) - article) - (if (zerop (forward-line -1)) - (progn - (setq article (1+ (read (current-buffer)))) - (forward-line 1)) - (setq article 1)) - (mail-header-set-number oheader article) - (with-temp-buffer - (insert (or (mail-header-xref oheader) "")) - (goto-char (point-min)) - (if (re-search-forward " [^ ]+:[0-9]+" nil t) - (goto-char (match-beginning 0)) - (or (eobp) (forward-char 1))) - ;; The first Xref has to be the group this article - ;; really came for - this is the article nnkiboze - ;; will request when it is asked for the article. - (insert " " group ":" - (int-to-string (mail-header-number header)) " ") - (while (re-search-forward " [^ ]+:[0-9]+" nil t) - (goto-char (1+ (match-beginning 0))) - (insert prefix)) - (mail-header-set-xref oheader (buffer-string))) - (nnheader-insert-nov oheader)))) - -(defun nnkiboze-nov-file-name (&optional suffix) - (concat (file-name-as-directory nnkiboze-directory) - (nnheader-translate-file-chars - (concat (nnkiboze-prefixed-name nnkiboze-current-group) - (or suffix ".nov"))))) - -(provide 'nnkiboze) - -;; arch-tag: 66068271-bdc9-4801-bcde-779702e73a05 -;;; nnkiboze.el ends here |