;;; nnultimate.el --- interfacing with the Ultimate Bulletin Board system
-;; Copyright (C) 1999 Free Software Foundation, Inc.
+
+;; Copyright (C) 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
+;; 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 2, or (at your option)
-;; any later version.
+;; 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
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
(require 'gnus)
(require 'nnmail)
(require 'mm-util)
+(require 'mm-url)
(require 'nnweb)
-(eval-when-compile
- (ignore-errors
- (require 'w3)
- (require 'url)
- (require 'w3-forms)))
-;; Report failure to find w3 at load time if appropriate.
-(eval '(progn
- (require 'w3)
- (require 'url)
- (require 'w3-forms)))
+(require 'parse-time)
+(autoload 'w3-parse-buffer "w3-parse")
(nnoo-declare nnultimate)
(defvoo nnultimate-groups nil)
(defvoo nnultimate-headers nil)
(defvoo nnultimate-articles nil)
+(defvar nnultimate-table-regexp
+ "postings.*editpost\\|forumdisplay\\|Forum[0-9]+/HTML\\|getbio")
;;; Interface functions
(mapping (nth 5 entry))
(old-total (or (nth 6 entry) 1))
(furl "forumdisplay.cgi?action=topics&number=%d&DaysPrune=1000")
+ (furls (list (concat nnultimate-address (format furl sid))))
+ (nnultimate-table-regexp
+ "postings.*editpost\\|forumdisplay\\|getbio")
headers article subject score from date lines parent point
contents tinfo fetchers map elem a href garticles topic old-max
- inc datel table string current-page total-contents pages
- farticles)
- (with-temp-buffer
- (nnweb-insert (concat nnultimate-address (format furl sid)))
- (goto-char (point-min))
- (setq contents
- (nth 2 (car (nth 2 (nnultimate-find-forum-table
- (w3-parse-buffer (current-buffer)))))))
- ;; The main idea here is to map Gnus article numbers to
- ;; nnultimate article numbers. Say there are three topics in
- ;; this forum, the first with 4 articles, the seconds with 2,
- ;; and the third with 1. Then this will translate into 7 Gnus
- ;; article numbers, where 1-4 comes from the first topic, 5-6
- ;; from the second and 7 from the third. Now, then next time
- ;; the group is entered, there's 2 new articles in topic one
- ;; and 1 in topic three. Then Gnus article number 8-9 be 5-6
- ;; in topic one and 10 will be the 2 in topic three.
- (dolist (row (reverse (cdr contents)))
- (setq row (nth 2 row))
- (when (setq a (nnweb-parse-find 'a row))
- (setq subject (car (last (nnweb-text a)))
- href (cdr (assq 'href (nth 1 a))))
- (let ((artlist (nreverse (nnweb-text row)))
- art)
- (while (and (not art)
- artlist)
- (when (string-match "^[0-9]+$" (car artlist))
- (setq art (1+ (string-to-number (car artlist)))))
- (pop artlist))
- (setq garticles art))
- (string-match "/\\([0-9]+\\).html" href)
- (setq topic (string-to-number (match-string 1 href)))
- (if (setq tinfo (assq topic topics))
- (progn
- (setq old-max (cadr tinfo))
- (setcar (cdr tinfo) garticles))
- (setq old-max 0)
- (push (list topic garticles subject href) topics)
- (setcar (nthcdr 4 entry) topics))
- (when (not (= old-max garticles))
- (setq inc (- garticles old-max))
- (setq mapping (nconc mapping
- (list
- (list
- old-total (1- (incf old-total inc))
- topic (1+ old-max)))))
- (incf old-max inc)
- (setcar (nthcdr 5 entry) mapping)
- (setcar (nthcdr 6 entry) old-total))))
- (setq map mapping)
- (while (and (setq article (car articles))
- map)
- (while (and map
- (> article (caar map)))
- (pop map))
- (when (setq mmap (car map))
- (setq farticle -1)
- (while (and article
- (<= article (nth 1 mmap)))
- ;; Do we already have a fetcher for this topic?
- (if (setq elem (assq (nth 2 mmap) fetchers))
- ;; Yes, so we just add the spec to the end.
- (nconc elem (list (cons article
- (+ (nth 3 mmap) (incf farticle)))))
- ;; No, so we add a new one.
- (push (list (nth 2 mmap)
- (cons article
- (+ (nth 3 mmap) (incf farticle))))
- fetchers))
- (pop articles)
- (setq article (car articles)))))
- ;; Now we have the mapping from/to Gnus/nnultimate article numbers,
- ;; so we start fetching the topics that we need to satisfy the
- ;; request.
- (if (not fetchers)
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer))
- (setq nnultimate-articles nil)
- (with-temp-buffer
- (dolist (elem fetchers)
- (setq pages 1
- current-page 1
- total-contents nil)
- (while (<= current-page pages)
- (erase-buffer)
- (setq subject (nth 2 (assq (car elem) topics)))
- (setq href (nth 3 (assq (car elem) topics)))
- (if (= current-page 1)
- (nnweb-insert href)
- (string-match "\\.html$" href)
- (nnweb-insert (concat (substring href 0 (match-beginning 0))
- "-" (number-to-string current-page)
- (match-string 0 href))))
- (goto-char (point-min))
- (setq contents (w3-parse-buffer (current-buffer)))
- (setq table (nnultimate-find-forum-table contents))
- (setq string (mapconcat 'identity (nnweb-text table) ""))
- (when (string-match "topic is \\([0-9]\\) pages" string)
- (setq pages (string-to-number (match-string 1 string)))
- (setcdr table nil)
- (setq table (nnultimate-find-forum-table contents)))
- (setq contents (cdr (nth 2 (car (nth 2 table)))))
- (setq total-contents (nconc contents total-contents))
- (incf current-page))
- ;(setq total-contents (nreverse total-contents))
+ inc datel table current-page total-contents pages
+ farticles forum-contents parse furl-fetched mmap farticle)
+ (setq map mapping)
+ (while (and (setq article (car articles))
+ map)
+ ;; Skip past the articles in the map until we reach the
+ ;; article we're looking for.
+ (while (and map
+ (or (> article (caar map))
+ (< (cadar map) (caar map))))
+ (pop map))
+ (when (setq mmap (car map))
+ (setq farticle -1)
+ (while (and article
+ (<= article (nth 1 mmap)))
+ ;; Do we already have a fetcher for this topic?
+ (if (setq elem (assq (nth 2 mmap) fetchers))
+ ;; Yes, so we just add the spec to the end.
+ (nconc elem (list (cons article
+ (+ (nth 3 mmap) (incf farticle)))))
+ ;; No, so we add a new one.
+ (push (list (nth 2 mmap)
+ (cons article
+ (+ (nth 3 mmap) (incf farticle))))
+ fetchers))
+ (pop articles)
+ (setq article (car articles)))))
+ ;; Now we have the mapping from/to Gnus/nnultimate article numbers,
+ ;; so we start fetching the topics that we need to satisfy the
+ ;; request.
+ (if (not fetchers)
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (erase-buffer))
+ (setq nnultimate-articles nil)
+ (mm-with-unibyte-buffer
+ (dolist (elem fetchers)
+ (setq pages 1
+ current-page 1
+ total-contents nil)
+ (while (<= current-page pages)
+ (erase-buffer)
+ (setq subject (nth 2 (assq (car elem) topics)))
+ (setq href (nth 3 (assq (car elem) topics)))
+ (if (= current-page 1)
+ (mm-url-insert href)
+ (string-match "\\.html$" href)
+ (mm-url-insert (concat (substring href 0 (match-beginning 0))
+ "-" (number-to-string current-page)
+ (match-string 0 href))))
+ (goto-char (point-min))
+ (setq contents
+ (ignore-errors (w3-parse-buffer (current-buffer))))
+ (setq table (nnultimate-find-forum-table contents))
+ (goto-char (point-min))
+ (when (re-search-forward "topic is \\([0-9]+\\) pages" nil t)
+ (setq pages (string-to-number (match-string 1))))
+ (setq contents (cdr (nth 2 (car (nth 2 table)))))
+ (setq total-contents (nconc total-contents contents))
+ (incf current-page))
+ (when t
+ (let ((i 0))
+ (dolist (co total-contents)
+ (push (list (or (nnultimate-topic-article-to-article
+ group (car elem) (incf i))
+ 1)
+ co subject)
+ nnultimate-articles))))
+ (when nil
(dolist (art (cdr elem))
- (if (not (nth (1- (cdr art)) total-contents))
- (debug)
+ (when (nth (1- (cdr art)) total-contents)
(push (list (car art)
(nth (1- (cdr art)) total-contents)
subject)
- nnultimate-articles)))))
- (setq nnultimate-articles
- (sort nnultimate-articles 'car-less-than-car))
- ;; Now we have all the articles, conveniently in an alist
- ;; where the key is the Gnus article number.
- (dolist (articlef nnultimate-articles)
- (setq article (nth 0 articlef)
- contents (nth 1 articlef)
- subject (nth 2 articlef))
- (setq from (mapconcat 'identity
- (nnweb-text (car (nth 2 contents)))
- " ")
- datel (nnweb-text (nth 2 (car (cdr (nth 2 contents))))))
- (while datel
- (when (string-match "Posted" (car datel))
- (setq date (substring (car datel) (match-end 0))
- datel nil))
- (pop datel))
- (setq date (delete "" (split-string date "[- \n\t\r ]")))
- (setq date (format "%s %s %s %s"
- (car (rassq (string-to-number (nth 1 date))
- parse-time-months))
- (nth 0 date) (nth 2 date) (nth 3 date)))
- (push
- (cons
- article
- (make-full-mail-header
- article subject
- from (or date "")
- (concat "<" (number-to-string sid) "%"
- (number-to-string article)
- "@ultimate>")
- "" 0
- (/ (length (mapconcat
- 'identity
- (nnweb-text
- (cdr (nth 2 (nth 1 (nth 2 contents)))))
- ""))
- 70)
- nil nil))
- headers))
- (setq nnultimate-headers (sort headers 'car-less-than-car))
- (save-excursion
- (set-buffer nntp-server-buffer)
+ nnultimate-articles))))))
+ (setq nnultimate-articles
+ (sort nnultimate-articles 'car-less-than-car))
+ ;; Now we have all the articles, conveniently in an alist
+ ;; where the key is the Gnus article number.
+ (dolist (articlef nnultimate-articles)
+ (setq article (nth 0 articlef)
+ contents (nth 1 articlef)
+ subject (nth 2 articlef))
+ (setq from (mapconcat 'identity
+ (nnweb-text (car (nth 2 contents)))
+ " ")
+ datel (nnweb-text (nth 2 (car (cdr (nth 2 contents))))))
+ (while datel
+ (when (string-match "Posted" (car datel))
+ (setq date (substring (car datel) (match-end 0))
+ datel nil))
+ (pop datel))
+ (when date
+ (setq date (delete "" (split-string date "[-, \n\t\r ]")))
+ (setq date
+ (if (or (member "AM" date)
+ (member "PM" date))
+ (format
+ "%s %s %s %s"
+ (nth 1 date)
+ (if (and (>= (length (nth 0 date)) 3)
+ (assoc (downcase
+ (substring (nth 0 date) 0 3))
+ parse-time-months))
+ (substring (nth 0 date) 0 3)
+ (car (rassq (string-to-number (nth 0 date))
+ parse-time-months)))
+ (nth 2 date) (nth 3 date))
+ (format "%s %s %s %s"
+ (car (rassq (string-to-number (nth 1 date))
+ parse-time-months))
+ (nth 0 date) (nth 2 date) (nth 3 date)))))
+ (push
+ (cons
+ article
+ (make-full-mail-header
+ article subject
+ from (or date "")
+ (concat "<" (number-to-string sid) "%"
+ (number-to-string article)
+ "@ultimate." server ">")
+ "" 0
+ (/ (length (mapconcat
+ 'identity
+ (nnweb-text
+ (cdr (nth 2 (nth 1 (nth 2 contents)))))
+ ""))
+ 70)
+ nil nil))
+ headers))
+ (setq nnultimate-headers (sort headers 'car-less-than-car))
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (mm-with-unibyte-current-buffer
(erase-buffer)
(dolist (header nnultimate-headers)
(nnheader-insert-nov (cdr header))))))
- (setcar (nthcdr 6 entry) (nth 1 entry))
- (nnultimate-write-groups)
'nov)))
+(defun nnultimate-topic-article-to-article (group topic article)
+ (catch 'found
+ (dolist (elem (nth 5 (assoc group nnultimate-groups)))
+ (when (and (= topic (nth 2 elem))
+ (>= article (nth 3 elem))
+ (< article (+ (- (nth 1 elem) (nth 0 elem)) 1
+ (nth 3 elem))))
+ (throw 'found
+ (+ (nth 0 elem) (- article (nth 3 elem))))))))
+
(deffoo nnultimate-request-group (group &optional server dont-check)
(nnultimate-possibly-change-server nil server)
- (when (or (not dont-check)
- (not nnultimate-groups))
+ (when (not nnultimate-groups)
(nnultimate-request-list))
+ (unless dont-check
+ (nnultimate-create-mapping group))
(let ((elem (assoc group nnultimate-groups)))
(cond
((not elem)
"211 %d %d %d %s\n" (cadr elem) 1 (cadr elem)
(prin1-to-string group))))))
+(deffoo nnultimate-request-close ()
+ (setq nnultimate-groups-alist nil
+ nnultimate-groups nil))
+
(deffoo nnultimate-request-article (article &optional group server buffer)
(nnultimate-possibly-change-server group server)
(let ((contents (cdr (assq article nnultimate-articles))))
(goto-char (point-min))
(insert "Content-Type: text/html\nMIME-Version: 1.0\n")
(let ((header (cdr (assq article nnultimate-headers))))
- (nnheader-insert-header header))
+ (mm-with-unibyte-current-buffer
+ (nnheader-insert-header header)))
(nnheader-report 'nnultimate "Fetched article %s" article)
(cons group article)))))
(deffoo nnultimate-request-list (&optional server)
(nnultimate-possibly-change-server nil server)
- (with-temp-buffer
- (nnweb-insert (concat nnultimate-address "Ultimate.cgi"))
+ (mm-with-unibyte-buffer
+ (mm-url-insert
+ (if (string-match "/$" nnultimate-address)
+ (concat nnultimate-address "Ultimate.cgi")
+ nnultimate-address))
(let ((contents (nth 2 (car (nth 2
(nnultimate-find-forum-table
(w3-parse-buffer (current-buffer)))))))
(setq forum (string-to-number (match-string 1 href)))
(if (setq elem (assoc group nnultimate-groups))
(setcar (cdr elem) articles)
- (push (list group articles forum description nil nil nil)
+ (push (list group articles forum description nil nil nil nil)
nnultimate-groups))))))
(nnultimate-write-groups)
(nnultimate-generate-active)
;;; Internal functions
+(defun nnultimate-prune-days (group time)
+ "Compute the number of days to fetch info for."
+ (let ((old-time (nth 7 (assoc group nnultimate-groups))))
+ (if (null old-time)
+ 1000
+ (- (time-to-days time) (time-to-days old-time)))))
+
+(defun nnultimate-create-mapping (group)
+ (let* ((entry (assoc group nnultimate-groups))
+ (sid (nth 2 entry))
+ (topics (nth 4 entry))
+ (mapping (nth 5 entry))
+ (old-total (or (nth 6 entry) 1))
+ (current-time (current-time))
+ (furl
+ (concat "forumdisplay.cgi?action=topics&number=%d&DaysPrune="
+ (number-to-string
+ (nnultimate-prune-days group current-time))))
+ (furls (list (concat nnultimate-address (format furl sid))))
+ contents forum-contents furl-fetched a subject href
+ garticles topic tinfo old-max inc parse)
+ (mm-with-unibyte-buffer
+ (while furls
+ (erase-buffer)
+ (mm-url-insert (pop furls))
+ (goto-char (point-min))
+ (setq parse (w3-parse-buffer (current-buffer)))
+ (setq contents
+ (cdr (nth 2 (car (nth 2 (nnultimate-find-forum-table
+ parse))))))
+ (setq forum-contents (nconc contents forum-contents))
+ (unless furl-fetched
+ (setq furl-fetched t)
+ ;; On the first time through this loop, we find all the
+ ;; forum URLs.
+ (dolist (a (nnweb-parse-find-all 'a parse))
+ (let ((href (cdr (assq 'href (nth 1 a)))))
+ (when (and href
+ (string-match "forumdisplay.*startpoint" href))
+ (push href furls))))
+ (setq furls (nreverse furls))))
+ ;; The main idea here is to map Gnus article numbers to
+ ;; nnultimate article numbers. Say there are three topics in
+ ;; this forum, the first with 4 articles, the seconds with 2,
+ ;; and the third with 1. Then this will translate into 7 Gnus
+ ;; article numbers, where 1-4 comes from the first topic, 5-6
+ ;; from the second and 7 from the third. Now, then next time
+ ;; the group is entered, there's 2 new articles in topic one
+ ;; and 1 in topic three. Then Gnus article number 8-9 be 5-6
+ ;; in topic one and 10 will be the 2 in topic three.
+ (dolist (row (nreverse forum-contents))
+ (setq row (nth 2 row))
+ (when (setq a (nnweb-parse-find 'a row))
+ (setq subject (car (last (nnweb-text a)))
+ href (cdr (assq 'href (nth 1 a))))
+ (let ((artlist (nreverse (nnweb-text row)))
+ art)
+ (while (and (not art)
+ artlist)
+ (when (string-match "^[0-9]+$" (car artlist))
+ (setq art (1+ (string-to-number (car artlist)))))
+ (pop artlist))
+ (setq garticles art))
+ (when garticles
+ (string-match "/\\([0-9]+\\).html" href)
+ (setq topic (string-to-number (match-string 1 href)))
+ (if (setq tinfo (assq topic topics))
+ (progn
+ (setq old-max (cadr tinfo))
+ (setcar (cdr tinfo) garticles))
+ (setq old-max 0)
+ (push (list topic garticles subject href) topics)
+ (setcar (nthcdr 4 entry) topics))
+ (when (not (= old-max garticles))
+ (setq inc (- garticles old-max))
+ (setq mapping (nconc mapping
+ (list
+ (list
+ old-total (1- (incf old-total inc))
+ topic (1+ old-max)))))
+ (incf old-max inc)
+ (setcar (nthcdr 5 entry) mapping)
+ (setcar (nthcdr 6 entry) old-total))))))
+ (setcar (nthcdr 7 entry) current-time)
+ (setcar (nthcdr 1 entry) (1- old-total))
+ (nnultimate-write-groups)
+ mapping))
+
(defun nnultimate-possibly-change-server (&optional group server)
(nnultimate-init server)
(when (and server
(not (nnultimate-server-opened server)))
(nnultimate-open-server server))
-; (unless nnultimate-groups-alist
+ (unless nnultimate-groups-alist
(nnultimate-read-groups)
- (setq nnultimate-groups (cdr (assoc nnultimate-address
- nnultimate-groups-alist))))
+ (setq nnultimate-groups (cdr (assoc nnultimate-address
+ nnultimate-groups-alist)))))
(deffoo nnultimate-open-server (server &optional defs connectionless)
(nnheader-init-server-buffer)
(setq nnultimate-groups-alist nil)
(let ((file (expand-file-name "groups" nnultimate-directory)))
(when (file-exists-p file)
- (with-temp-buffer
+ (mm-with-unibyte-buffer
(insert-file-contents file)
(goto-char (point-min))
(setq nnultimate-groups-alist (read (current-buffer)))))))
nnultimate-groups-alist)
(with-temp-file (expand-file-name "groups" nnultimate-directory)
(prin1 nnultimate-groups-alist (current-buffer))))
-
+
(defun nnultimate-init (server)
"Initialize buffers and such."
(unless (file-exists-p nnultimate-directory)
(gnus-make-directory nnultimate-directory)))
-(defun nnultimate-date-to-date (sdate)
- (let ((elem (split-string sdate)))
- (concat (substring (nth 0 elem) 0 3) " "
- (substring (nth 1 elem) 0 3) " "
- (substring (nth 2 elem) 0 2) " "
- (substring (nth 3 elem) 1 6) " "
- (format-time-string "%Y") " "
- (nth 4 elem))))
-
(defun nnultimate-generate-active ()
(save-excursion
(set-buffer nntp-server-buffer)
(nth 2 parse))))
(let ((href (cdr (assq 'href (nth 1 (nnweb-parse-find 'a parse 20)))))
case-fold-search)
- (when (and href (string-match "forumdisplay\\|Forum[0-9]+/HTML\\|getbio"
- href))
+ (when (and href (string-match nnultimate-table-regexp href))
t))))
(provide 'nnultimate)
+;; Local Variables:
+;; coding: iso-8859-1
+;; End:
+
+;; arch-tag: ab6bfc45-8fe1-4647-9c78-41050eb152b8
;;; nnultimate.el ends here