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[Emacs-diffs] Changes to emacs/lisp/gnus/nnslashdot.el [gnus-5_10-branch
From: |
Andreas Schwab |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/gnus/nnslashdot.el [gnus-5_10-branch] |
Date: |
Thu, 22 Jul 2004 13:15:46 -0400 |
Index: emacs/lisp/gnus/nnslashdot.el
diff -c /dev/null emacs/lisp/gnus/nnslashdot.el:1.5.2.1
*** /dev/null Thu Jul 22 16:47:16 2004
--- emacs/lisp/gnus/nnslashdot.el Thu Jul 22 16:45:51 2004
***************
*** 0 ****
--- 1,518 ----
+ ;;; nnslashdot.el --- interfacing with Slashdot
+ ;; Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+
+ ;; Author: Lars Magne Ingebrigtsen <address@hidden>
+ ;; 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:
+
+ ;;; Code:
+
+ (eval-when-compile (require 'cl))
+
+ (require 'nnoo)
+ (require 'message)
+ (require 'gnus-util)
+ (require 'gnus)
+ (require 'nnmail)
+ (require 'mm-util)
+ (require 'mm-url)
+
+ (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-use-front-page nil
+ "Use the front page in addition to the backslash page.")
+
+ (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)
+ (mm-url-insert (format nnslashdot-article-url sid) t)
+ (goto-char (point-min))
+ (if (eobp)
+ (error "Couldn't open connection to slashdot"))
+ (re-search-forward "Posted by[ \t\r\n]+")
+ (when (looking-at "\\(<a[^>]+>\\)?[ \t\r\n]*\\([^<\r\n]+\\)")
+ (setq from (mm-url-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 "<" sid "address@hidden>")
+ "" 0 lines nil nil))
+ headers)
+ (setq start (if nnslashdot-threaded 2 (pop articles))))
+ (while (and start (<= start last))
+ (setq point (goto-char (point-max)))
+ (mm-url-insert
+ (format nnslashdot-comments-url 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 (mm-url-decode-entities-string subject))
+ (search-forward "<BR>")
+ (cond
+ ((looking-at
+ "by[ \t\n]+<a[^>]+>\\([^<]+\\)</a>[
\t\n]*(\\(<[^>]+>\\)*\\([^<>)]+\\))")
+ (goto-char (- (match-end 0) 5))
+ (setq from (concat
+ (mm-url-decode-entities-string (match-string 1))
+ " <" (match-string 3) ">")))
+ ((looking-at "by[ \t\n]+<a[^>]+>\\([^<(]+\\) (\\([0-9]+\\))</a>")
+ (goto-char (- (match-end 0) 5))
+ (setq from (concat
+ (mm-url-decode-entities-string (match-string 1))
+ " <" (match-string 2) ">")))
+ ((looking-at "by \\([^<>]*\\)[\t\n\r ]+on ")
+ (goto-char (- (match-end 0) 5))
+ (setq from (mm-url-decode-entities-string (match-string 1))))
+ (t
+ (setq from "")))
+ (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 "<" sid "%" cid "@slashdot>")
+ (if parent
+ (concat "<" 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
+ "<IFRAME\\|<SCRIPT
LANGUAGE=\"JAVASCRIPT\">\\|<!-- no ad 6 -->\\|< [ \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)
+ (first nnslashdot-use-front-page)
+ 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
+ (mm-url-insert nnslashdot-backslash-url t)
+ (goto-char (point-min))
+ (if (eobp)
+ (error "Couldn't open connection to slashdot"))
+ (while (search-forward "<story>" nil t)
+ (narrow-to-region (point) (search-forward "</story>"))
+ (goto-char (point-min))
+ (re-search-forward "<title>\\([^<]+\\)</title>")
+ (setq description
+ (mm-url-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 (or first
+ (> (- nnslashdot-group-number number) 0))
+ (setq first nil)
+ (mm-with-unibyte-buffer
+ (let ((case-fold-search t))
+ (mm-url-insert (format nnslashdot-active-url number) t)
+ (goto-char (point-min))
+ (while (re-search-forward
+ "article.pl\\?sid=\\([^&]+\\).*>\\([^<]+\\)</a>"
+ nil t)
+ (setq sid (match-string 1)
+ description
+ (mm-url-decode-entities-string (match-string 2)))
+ (forward-line 1)
+ (when (re-search-forward "with \\([0-9]+\\) comment" nil t)
+ (setq articles (1+ (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 (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)
+ (mm-url-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)
+ (when (numberp (cadr elem))
+ (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"))
+
+ (provide 'nnslashdot)
+
+ ;;; arch-tag: aa73df7a-f7e6-4eef-bdea-5ce2f8c691b3
+ ;;; nnslashdot.el ends here
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Andreas Schwab <=