;;; nnweb.el --- retrieving articles via web search engines
-;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(deffoo nnweb-request-scan (&optional group server)
(nnweb-possibly-change-server group server)
- (setq nnweb-hashtb (gnus-make-hashtable 4095))
(funcall (nnweb-definition 'map))
(unless nnweb-ephemeral-p
(nnweb-write-active)
(setq nnweb-search (nth 3 info))
(unless dont-check
(nnweb-read-overview group)))))
- (unless dont-check
- (nnweb-request-scan group))
(cond
((not nnweb-articles)
(nnheader-report 'nnweb "No matching articles"))
(funcall (nnweb-definition 'article))
(nnweb-decode-entities))
(nnheader-report 'nnweb "Fetched article %s" article)
- t))))
+ (cons group (and (numberp article) article))))))
(deffoo nnweb-close-server (&optional server)
(when (and (nnweb-server-opened server)
(when group
(when (and (not nnweb-ephemeral-p)
(not (equal group nnweb-group)))
+ (setq nnweb-hashtb (gnus-make-hashtable 4095))
(nnweb-request-group group nil t))))
(defun nnweb-init (server)
(unless (gnus-buffer-live-p nnweb-buffer)
(setq nnweb-buffer
(save-excursion
- (let ((multibyte (default-value 'enable-multibyte-characters)))
- (unwind-protect
- (progn
- (setq-default enable-multibyte-characters nil)
- (nnheader-set-temp-buffer
- (format " *nnweb %s %s %s*"
- nnweb-type nnweb-search server)))
- (setq-default enable-multibyte-characters multibyte))
+ (mm-with-unibyte
+ (nnheader-set-temp-buffer
+ (format " *nnweb %s %s %s*"
+ nnweb-type nnweb-search server))
(current-buffer))))))
(defun nnweb-fetch-url (url)
(setq url-current-callback-data data
url-be-asynchronous t
url-current-callback-func callback)
- (url-retrieve url))
+ (url-retrieve url nil))
(setq-default url-be-asynchronous old-asynch)))
+(if (fboundp 'url-retrieve-synchronously)
+ (defun nnweb-url-retrieve-asynch (url callback &rest data)
+ (url-retrieve url callback data)))
+
;;;
;;; DejaNews functions.
;;;
(setq date "Jan 1 00:00:00 0000"))
(incf i)
(setq url (concat url "&fmt=text"))
+ (when (string-match "&context=[^&]+" url)
+ (setq url (replace-match "" t t url)))
(unless (nnweb-get-hashtb url)
(push
(list
(defun nnweb-decode-entities ()
"Decode all HTML entities."
(goto-char (point-min))
- (while (re-search-forward "&\\([a-z]+\\);" nil t)
- (replace-match (char-to-string (or (cdr (assq (intern (match-string 1))
- w3-html-entities))
- ?#))
- t t)))
+ (while (re-search-forward "&\\(#[0-9]+\\|[a-z]+\\);" nil t)
+ (let ((elem (if (eq (aref (match-string 1) 0) ?\#)
+ (let ((c
+ (string-to-number (substring
+ (match-string 1) 1))))
+ (if (mm-char-or-char-int-p c) c 32))
+ (or (cdr (assq (intern (match-string 1))
+ w3-html-entities))
+ ?#))))
+ (unless (stringp elem)
+ (setq elem (char-to-string elem)))
+ (replace-match elem t t))))
+
+(defun nnweb-decode-entities-string (str)
+ (with-temp-buffer
+ (insert str)
+ (nnweb-decode-entities)
+ (buffer-substring (point-min) (point-max))))
(defun nnweb-remove-markup ()
"Remove all HTML markup, leaving just plain text."
(while (re-search-forward "<[^>]+>" nil t)
(replace-match "" t t)))
-(defun nnweb-insert (url)
- "Insert the contents from an URL in the current buffer."
+(defun nnweb-insert (url &optional follow-refresh)
+ "Insert the contents from an URL in the current buffer.
+If FOLLOW-REFRESH is non-nil, redirect refresh url in META."
(let ((name buffer-file-name))
- (url-insert-file-contents url)
+ (if follow-refresh
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (url-insert-file-contents url)
+ (goto-char (point-min))
+ (when (re-search-forward
+ "<meta[ \t\r\n]*http-equiv=\"Refresh\"[^>]*URL=\\([^\"]+\\)\"" nil t)
+ (let ((url (match-string 1)))
+ (delete-region (point-min) (point-max))
+ (nnweb-insert url t))))
+ (url-insert-file-contents url))
(setq buffer-file-name name)))
(defun nnweb-parse-find (type parse &optional maxdepth)