+++ /dev/null
-;;; nnslashdot.el --- interfacing with Slashdot
-;; Copyright (C) 1999, 2000, 2001 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 2, 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; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
-
-;;; Commentary:
-
-;; Note: You need to have `url' and `w3' installed for this
-;; backend to work.
-
-;;; Code:
-
-(eval-when-compile (require 'cl))
-(eval-when-compile (require 'gnus-clfns))
-
-(require 'nnoo)
-(require 'message)
-(require 'gnus-util)
-(require 'gnus)
-(require 'nnmail)
-(require 'mm-util)
-(eval-when-compile
- (ignore-errors
- (require 'nnweb)))
-;; Report failure to find w3 at load time if appropriate.
-(eval '(require 'nnweb))
-
-(nnoo-declare nnslashdot)
-
-(defvoo nnslashdot-directory (nnheader-concat gnus-directory "slashdot/")
- "Where nnslashdot will save its files.")
-
-(defvoo nnslashdot-active-url "http://slashdot.org/search.pl?section=&min=%d"
- "Where nnslashdot will fetch the active file from.")
-
-(defvoo nnslashdot-comments-url "http://slashdot.org/comments.pl?sid=%s&threshold=%d&commentsort=%d&mode=flat&startat=%d"
- "Where nnslashdot will fetch comments from.")
-
-(defvoo nnslashdot-article-url
- "http://slashdot.org/article.pl?sid=%s&mode=nocomment"
- "Where nnslashdot will fetch the article from.")
-
-(defvoo nnslashdot-backslash-url "http://slashdot.org/slashdot.xml"
- "Where nnslashdot will fetch the stories from.")
-
-(defvoo nnslashdot-threshold -1
- "The article threshold.")
-
-(defvoo nnslashdot-threaded t
- "Whether the nnslashdot groups should be threaded or not.")
-
-(defvoo nnslashdot-group-number 0
- "The number of non-fresh groups to keep updated.")
-
-(defvoo nnslashdot-login-name ""
- "The login name to use when posting.")
-
-(defvoo nnslashdot-password ""
- "The password to use when posting.")
-
-;;; Internal variables
-
-(defvar nnslashdot-groups nil)
-(defvar nnslashdot-buffer nil)
-(defvar nnslashdot-headers nil)
-
-;;; Interface functions
-
-(nnoo-define-basics nnslashdot)
-
-(deffoo nnslashdot-retrieve-headers (articles &optional group server fetch-old)
- (nnslashdot-possibly-change-server group server)
- (condition-case why
- (unless gnus-nov-is-evil
- (nnslashdot-retrieve-headers-1 articles group))
- (search-failed (nnslashdot-lose why))))
-
-(deffoo nnslashdot-retrieve-headers-1 (articles group)
- (let* ((last (car (last articles)))
- (start (if nnslashdot-threaded 1 (pop articles)))
- (entry (assoc group nnslashdot-groups))
- (sid (nth 2 entry))
- (first-comments t)
- headers article subject score from date lines parent point cid
- s startats changed)
- (save-excursion
- (set-buffer nnslashdot-buffer)
- (let ((case-fold-search t))
- (erase-buffer)
- (when (= start 1)
- (nnweb-insert (format nnslashdot-article-url
- (nnslashdot-sid-strip sid)) t)
- (goto-char (point-min))
- (re-search-forward "Posted by[ \t\r\n]+")
- (when (looking-at "\\(<a[^>]+>\\)?[ \t\r\n]*\\([^<\r\n]+\\)")
- (setq from (nnweb-decode-entities-string (match-string 2))))
- (search-forward "on ")
- (setq date (nnslashdot-date-to-date
- (buffer-substring (point) (1- (search-forward "<")))))
- (setq lines (/ (- (point)
- (progn (forward-line 1) (point)))
- 60))
- (push
- (cons
- 1
- (make-full-mail-header
- 1 group from date
- (concat "<" (nnslashdot-sid-strip sid) "%1@slashdot>")
- "" 0 lines nil nil))
- headers)
- (setq start (if nnslashdot-threaded 2 (pop articles))))
- (while (and start (<= start last))
- (setq point (goto-char (point-max)))
- (nnweb-insert
- (format nnslashdot-comments-url
- (nnslashdot-sid-strip sid)
- nnslashdot-threshold 0 (- start 2))
- t)
- (when (and nnslashdot-threaded first-comments)
- (setq first-comments nil)
- (goto-char (point-max))
- (while (re-search-backward "startat=\\([0-9]+\\)" nil t)
- (setq s (string-to-number (match-string 1)))
- (unless (memq s startats)
- (push s startats)))
- (setq startats (sort startats '<)))
- (setq article (if (and article (< start article)) article start))
- (goto-char point)
- (while (re-search-forward
- "<a name=\"\\([0-9]+\\)\"><\\(b\\|H4\\)>\\([^<]+\\)</\\(b\\|H4\\)>.*score:\\([^)]+\\))"
- nil t)
- (setq cid (match-string 1)
- subject (match-string 3)
- score (match-string 5))
- (unless (assq article (nth 4 entry))
- (setcar (nthcdr 4 entry) (cons (cons article cid) (nth 4 entry)))
- (setq changed t))
- (when (string-match "^Re: *" subject)
- (setq subject (concat "Re: " (substring subject (match-end 0)))))
- (setq subject (nnweb-decode-entities-string subject))
- (search-forward "<BR>")
- (if (looking-at
- "by[ \t\n]+<a[^>]+>\\([^<]+\\)</a>[ \t\n]*(\\(<[^>]+>\\)*\\([^<>)]+\\))")
- (progn
- (goto-char (- (match-end 0) 5))
- (setq from (concat
- (nnweb-decode-entities-string (match-string 1))
- " <" (match-string 3) ">")))
- (setq from "")
- (when (looking-at "by \\([^<>]*\\) on ")
- (goto-char (- (match-end 0) 5))
- (setq from (nnweb-decode-entities-string (match-string 1)))))
- (search-forward " on ")
- (setq date
- (nnslashdot-date-to-date
- (buffer-substring (point) (progn (skip-chars-forward "^()<>\n\r") (point)))))
- (setq lines (/ (abs (- (search-forward "<td")
- (search-forward "</td>")))
- 70))
- (if (not
- (re-search-forward ".*cid=\\([0-9]+\\)\">Parent</A>" nil t))
- (setq parent nil)
- (setq parent (match-string 1))
- (when (string= parent "0")
- (setq parent nil)))
- (push
- (cons
- article
- (make-full-mail-header
- article
- (concat subject " (" score ")")
- from date
- (concat "<" (nnslashdot-sid-strip sid) "%" cid "@slashdot>")
- (if parent
- (concat "<" (nnslashdot-sid-strip sid) "%"
- parent "@slashdot>")
- "")
- 0 lines nil nil))
- headers)
- (while (and articles (<= (car articles) article))
- (pop articles))
- (setq article (1+ article)))
- (if nnslashdot-threaded
- (progn
- (setq start (pop startats))
- (if start (setq start (+ start 2))))
- (setq start (pop articles))))))
- (if changed (nnslashdot-write-groups))
- (setq nnslashdot-headers (sort headers 'car-less-than-car))
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (mm-with-unibyte-current-buffer
- (dolist (header nnslashdot-headers)
- (nnheader-insert-nov (cdr header)))))
- 'nov))
-
-(deffoo nnslashdot-request-group (group &optional server dont-check)
- (nnslashdot-possibly-change-server nil server)
- (let ((elem (assoc group nnslashdot-groups)))
- (cond
- ((not elem)
- (nnheader-report 'nnslashdot "Group does not exist"))
- (t
- (nnheader-report 'nnslashdot "Opened group %s" group)
- (nnheader-insert
- "211 %d %d %d %s\n" (cadr elem) 1 (cadr elem)
- (prin1-to-string group))))))
-
-(deffoo nnslashdot-close-group (group &optional server)
- (nnslashdot-possibly-change-server group server)
- (when (gnus-buffer-live-p nnslashdot-buffer)
- (save-excursion
- (set-buffer nnslashdot-buffer)
- (kill-buffer nnslashdot-buffer)))
- t)
-
-(deffoo nnslashdot-request-article (article &optional group server buffer)
- (nnslashdot-possibly-change-server group server)
- (let (contents cid)
- (condition-case why
- (save-excursion
- (set-buffer nnslashdot-buffer)
- (let ((case-fold-search t))
- (goto-char (point-min))
- (when (and (stringp article)
- (string-match "%\\([0-9]+\\)@" article))
- (setq cid (match-string 1 article))
- (let ((map (nth 4 (assoc group nnslashdot-groups))))
- (while map
- (if (equal (cdar map) cid)
- (setq article (caar map)
- map nil)
- (setq map (cdr map))))))
- (when (numberp article)
- (if (= article 1)
- (progn
- (re-search-forward
- "Posted by")
- (search-forward "<BR>")
- (setq contents
- (buffer-substring
- (point)
- (progn
- (re-search-forward
- "< [ \t\r\n]*<A HREF=\"\\(\\(http:\\)?//slashdot\\.org\\)?/article")
- (match-beginning 0)))))
- (setq cid (cdr (assq article
- (nth 4 (assoc group nnslashdot-groups)))))
- (search-forward (format "<a name=\"%s\">" cid))
- (setq contents
- (buffer-substring
- (re-search-forward "<td[^>]*>")
- (search-forward "</td>")))))))
- (search-failed (nnslashdot-lose why)))
-
- (when contents
- (save-excursion
- (set-buffer (or buffer nntp-server-buffer))
- (erase-buffer)
- (mm-with-unibyte-current-buffer
- (insert contents)
- (goto-char (point-min))
- (while (re-search-forward "\\(<br>\r?\\)+" nil t)
- (replace-match "<p>" t t))
- (goto-char (point-min))
- (insert "Content-Type: text/html\nMIME-Version: 1.0\n")
- (insert "Newsgroups: " (caddr (assoc group nnslashdot-groups))
- "\n")
- (let ((header (cdr (assq article nnslashdot-headers))))
- (nnheader-insert-header header))
- (nnheader-report 'nnslashdot "Fetched article %s" article))
- (cons group article)))))
-
-(deffoo nnslashdot-close-server (&optional server)
- (when (and (nnslashdot-server-opened server)
- (gnus-buffer-live-p nnslashdot-buffer))
- (save-excursion
- (set-buffer nnslashdot-buffer)
- (kill-buffer nnslashdot-buffer)))
- (nnoo-close-server 'nnslashdot server))
-
-(deffoo nnslashdot-request-list (&optional server)
- (nnslashdot-possibly-change-server nil server)
- (let ((number 0)
- sid elem description articles gname)
- (condition-case why
- ;; First we do the Ultramode to get info on all the latest groups.
- (progn
- (mm-with-unibyte-buffer
- (nnweb-insert nnslashdot-backslash-url t)
- (goto-char (point-min))
- (while (search-forward "<story>" nil t)
- (narrow-to-region (point) (search-forward "</story>"))
- (goto-char (point-min))
- (re-search-forward "<title>\\([^<]+\\)</title>")
- (setq description
- (nnweb-decode-entities-string (match-string 1)))
- (re-search-forward "<url>\\([^<]+\\)</url>")
- (setq sid (match-string 1))
- (string-match "sid=\\([0-9/]+\\)\\(.shtml\\|$\\)" sid)
- (setq sid (match-string 1 sid))
- (re-search-forward "<comments>\\([^<]+\\)</comments>")
- (setq articles (string-to-number (match-string 1)))
- (setq gname (concat description " (" sid ")"))
- (if (setq elem (assoc gname nnslashdot-groups))
- (setcar (cdr elem) articles)
- (push (list gname articles sid (current-time) nil)
- nnslashdot-groups))
- (goto-char (point-max))
- (widen)))
- ;; Then do the older groups.
- (while (> (- nnslashdot-group-number number) 0)
- (mm-with-unibyte-buffer
- (let ((case-fold-search t))
- (nnweb-insert (format nnslashdot-active-url number) t)
- (goto-char (point-min))
- (while (re-search-forward
- "article.pl\\?sid=\\([^&]+\\).*<b>\\([^<]+\\)</b>"
- nil t)
- (setq sid (match-string 1)
- description
- (nnweb-decode-entities-string (match-string 2)))
- (forward-line 1)
- (when (re-search-forward "<b>\\([0-9]+\\)</b>" nil t)
- (setq articles (string-to-number (match-string 1))))
- (setq gname (concat description " (" sid ")"))
- (if (setq elem (assoc gname nnslashdot-groups))
- (setcar (cdr elem) articles)
- (push (list gname articles sid (current-time) nil)
- nnslashdot-groups)))))
- (incf number 30)))
- (search-failed (nnslashdot-lose why)))
- (nnslashdot-write-groups)
- (nnslashdot-generate-active)
- t))
-
-(deffoo nnslashdot-request-newgroups (date &optional server)
- (nnslashdot-possibly-change-server nil server)
- (nnslashdot-generate-active)
- t)
-
-(deffoo nnslashdot-request-post (&optional server)
- (nnslashdot-possibly-change-server nil server)
- (let ((sid (nnslashdot-sid-strip (message-fetch-field "newsgroups")))
- (subject (message-fetch-field "subject"))
- (references (car (last (split-string
- (message-fetch-field "references")))))
- body quoted pid)
- (string-match "%\\([0-9]+\\)@slashdot" references)
- (setq pid (match-string 1 references))
- (message-goto-body)
- (narrow-to-region (point) (progn (message-goto-signature) (point)))
- (goto-char (point-min))
- (while (not (eobp))
- (if (looking-at "> ")
- (progn
- (delete-region (point) (+ (point) 2))
- (unless quoted
- (insert "<blockquote>\n"))
- (setq quoted t))
- (when quoted
- (insert "</blockquote>\n")
- (setq quoted nil)))
- (forward-line 1))
- (goto-char (point-min))
- (while (re-search-forward "^ *\n" nil t)
- (replace-match "<p>\n"))
- (widen)
- (when (message-goto-signature)
- (forward-line -1)
- (insert "<p>\n")
- (while (not (eobp))
- (end-of-line)
- (insert "<br>")
- (forward-line 1)))
- (message-goto-body)
- (setq body (buffer-substring (point) (point-max)))
- (erase-buffer)
- (nnweb-fetch-form
- "http://slashdot.org/comments.pl"
- `(("sid" . ,sid)
- ("pid" . ,pid)
- ("rlogin" . "userlogin")
- ("unickname" . ,nnslashdot-login-name)
- ("upasswd" . ,nnslashdot-password)
- ("postersubj" . ,subject)
- ("op" . "Submit")
- ("postercomment" . ,body)
- ("posttype" . "html")))))
-
-(deffoo nnslashdot-request-delete-group (group &optional force server)
- (nnslashdot-possibly-change-server group server)
- (setq nnslashdot-groups (delq (assoc group nnslashdot-groups)
- nnslashdot-groups))
- (nnslashdot-write-groups))
-
-(deffoo nnslashdot-request-close ()
- (setq nnslashdot-headers nil
- nnslashdot-groups nil))
-
-(deffoo nnslashdot-request-expire-articles
- (articles group &optional server force)
- (nnslashdot-possibly-change-server group server)
- (let ((item (assoc group nnslashdot-groups)))
- (when item
- (if (fourth item)
- (when (and (>= (length articles) (cadr item)) ;; All are expirable.
- (nnmail-expired-article-p
- group
- (fourth item)
- force))
- (setq nnslashdot-groups (delq item nnslashdot-groups))
- (nnslashdot-write-groups)
- (setq articles nil)) ;; all expired.
- (setcdr (cddr item) (list (current-time)))
- (nnslashdot-write-groups))))
- articles)
-
-(nnoo-define-skeleton nnslashdot)
-
-;;; Internal functions
-
-(defun nnslashdot-possibly-change-server (&optional group server)
- (nnslashdot-init server)
- (when (and server
- (not (nnslashdot-server-opened server)))
- (nnslashdot-open-server server))
- (unless nnslashdot-groups
- (nnslashdot-read-groups)))
-
-(defun nnslashdot-make-tuple (tuple n)
- (prog1
- tuple
- (while (> n 1)
- (unless (cdr tuple)
- (setcdr tuple (list nil)))
- (setq tuple (cdr tuple)
- n (1- n)))))
-
-(defun nnslashdot-read-groups ()
- (let ((file (expand-file-name "groups" nnslashdot-directory)))
- (when (file-exists-p file)
- (mm-with-unibyte-buffer
- (insert-file-contents file)
- (goto-char (point-min))
- (setq nnslashdot-groups (read (current-buffer))))
- (if (and nnslashdot-groups (< (length (car nnslashdot-groups)) 5))
- (let ((groups nnslashdot-groups))
- (while groups
- (nnslashdot-make-tuple (car groups) 5)
- (setq groups (cdr groups))))))))
-
-(defun nnslashdot-write-groups ()
- (with-temp-file (expand-file-name "groups" nnslashdot-directory)
- (gnus-prin1 nnslashdot-groups)))
-
-(defun nnslashdot-init (server)
- "Initialize buffers and such."
- (unless (file-exists-p nnslashdot-directory)
- (gnus-make-directory nnslashdot-directory))
- (unless (gnus-buffer-live-p nnslashdot-buffer)
- (setq nnslashdot-buffer
- (save-excursion
- (nnheader-set-temp-buffer
- (format " *nnslashdot %s*" server))))
- (push nnslashdot-buffer gnus-buffers)))
-
-(defun nnslashdot-date-to-date (sdate)
- (condition-case err
- (let ((elem (delete "" (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)))
- (error "")))
-
-(defun nnslashdot-generate-active ()
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (dolist (elem nnslashdot-groups)
- (insert (prin1-to-string (car elem))
- " " (number-to-string (cadr elem)) " 1 y\n"))))
-
-(defun nnslashdot-lose (why)
- (error "Slashdot HTML has changed; please get a new version of nnslashdot"))
-
-;(defun nnslashdot-sid-strip (sid)
-; (if (string-match "^00/" sid)
-; (substring sid (match-end 0))
-; sid))
-
-(defalias 'nnslashdot-sid-strip 'identity)
-
-(provide 'nnslashdot)
-
-;;; nnslashdot.el ends here
projects / elisp / gnus.git- / blobdiff