- (save-excursion
- (mm-with-unibyte
- (nnheader-set-temp-buffer
- (format " *nnweb %s %s %s*"
- nnweb-type nnweb-search server))
- (current-buffer))))))
-
-(defun nnweb-fetch-url (url)
- (let (buf)
- (save-excursion
- (if (not nnheader-callback-function)
- (progn
- (with-temp-buffer
- (mm-enable-multibyte)
- (let ((coding-system-for-read 'binary)
- (coding-system-for-write 'binary)
- (default-process-coding-system 'binary))
- (nnweb-insert url))
- (setq buf (buffer-string)))
- (erase-buffer)
- (insert buf)
- t)
- (nnweb-url-retrieve-asynch
- url 'nnweb-callback (current-buffer) nnheader-callback-function)
- t))))
-
-(defun nnweb-callback (buffer callback)
- (when (gnus-buffer-live-p url-working-buffer)
- (save-excursion
- (set-buffer url-working-buffer)
- (funcall (nnweb-definition 'article))
- (nnweb-decode-entities)
- (set-buffer buffer)
- (goto-char (point-max))
- (insert-buffer-substring url-working-buffer))
- (funcall callback t)
- (gnus-kill-buffer url-working-buffer)))
-
-(defun nnweb-url-retrieve-asynch (url callback &rest data)
- (let ((url-request-method "GET")
- (old-asynch url-be-asynchronous)
- (url-request-data nil)
- (url-request-extra-headers nil)
- (url-working-buffer (generate-new-buffer-name " *nnweb*")))
- (setq-default url-be-asynchronous t)
- (save-excursion
- (set-buffer (get-buffer-create url-working-buffer))
- (setq url-current-callback-data data
- url-be-asynchronous t
- url-current-callback-func callback)
- (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.
-;;;
-
-(defun nnweb-dejanews-create-mapping ()
- "Perform the search and create an number-to-url alist."
- (save-excursion
- (set-buffer nnweb-buffer)
- (erase-buffer)
- (when (funcall (nnweb-definition 'search) nnweb-search)
- (let ((i 0)
- (more t)
- (case-fold-search t)
- (active (or (cadr (assoc nnweb-group nnweb-group-alist))
- (cons 1 0)))
- subject date from
- map url parse a table group text)
- (while more
- ;; Go through all the article hits on this page.
- (goto-char (point-min))
- (setq parse (w3-parse-buffer (current-buffer))
- table (nth 1 (nnweb-parse-find-all 'table parse)))
- (dolist (row (nth 2 (car (nth 2 table))))
- (setq a (nnweb-parse-find 'a row)
- url (cdr (assq 'href (nth 1 a)))
- text (nreverse (nnweb-text row)))
- (when a
- (setq subject (nth 4 text)
- group (nth 2 text)
- date (nth 1 text)
- from (nth 0 text))
- (if (string-match "\\([0-9]+\\)/\\([0-9]+\\)/\\([0-9]+\\)" date)
- (setq date (format "%s %s 00:00:00 %s"
- (car (rassq (string-to-number
- (match-string 2 date))
- parse-time-months))
- (match-string 3 date)
- (match-string 1 date)))
- (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
- (incf (cdr active))
- (make-full-mail-header
- (cdr active) (concat subject " (" group ")") from date
- (concat "<" (nnweb-identifier url) "@dejanews>")
- nil 0 0 url))
- map)
- (nnweb-set-hashtb (cadar map) (car map)))))
- ;; See whether there is a "Get next 20 hits" button here.
- (goto-char (point-min))
- (if (or (not (re-search-forward
- "HREF=\"\\([^\"]+\\)\"[<>b]+Next result" nil t))
- (>= i nnweb-max-hits))
- (setq more nil)
- ;; Yup -- fetch it.
- (setq more (match-string 1))
- (erase-buffer)
- (url-insert-file-contents more)))
- ;; Return the articles in the right order.
- (setq nnweb-articles
- (sort (nconc nnweb-articles map) 'car-less-than-car))))))
-
-(defun nnweb-dejanews-search (search)
- (nnweb-insert
- (concat
- (nnweb-definition 'address)
- "?"
- (nnweb-encode-www-form-urlencoded
- `(("ST" . "PS")
- ("svcclass" . "dnyr")
- ("QRY" . ,search)
- ("defaultOp" . "AND")
- ("DBS" . "1")
- ("OP" . "dnquery.xp")
- ("LNG" . "ALL")
- ("maxhits" . "100")
- ("threaded" . "0")
- ("format" . "verbose2")
- ("showsort" . "date")
- ("agesign" . "1")
- ("ageweight" . "1")))))
- t)
-
-(defun nnweb-dejanewsold-search (search)
- (nnweb-fetch-form
- (nnweb-definition 'address)
- `(("query" . ,search)
- ("defaultOp" . "AND")
- ("svcclass" . "dnold")
- ("maxhits" . "100")
- ("format" . "verbose2")
- ("threaded" . "0")
- ("showsort" . "date")
- ("agesign" . "1")
- ("ageweight" . "1")))
- t)
-
-(defun nnweb-dejanews-identity (url)
- "Return an unique identifier based on URL."
- (if (string-match "AN=\\([0-9]+\\)" url)
- (match-string 1 url)
- url))
-
-;;;
-;;; InReference
-;;;
-
-(defun nnweb-reference-create-mapping ()
- "Perform the search and create an number-to-url alist."
- (save-excursion
- (set-buffer nnweb-buffer)
- (erase-buffer)
- (when (funcall (nnweb-definition 'search) nnweb-search)
- (let ((i 0)
- (more t)
- (case-fold-search t)
- (active (or (cadr (assoc nnweb-group nnweb-group-alist))
- (cons 1 0)))
- Subject Score Date Newsgroups From Message-ID
- map url)
- (while more
- ;; Go through all the article hits on this page.
- (goto-char (point-min))
- (search-forward "</pre><hr>" nil t)
- (delete-region (point-min) (point))
- (goto-char (point-min))
- (while (re-search-forward "^ +[0-9]+\\." nil t)
- (narrow-to-region
- (point)
- (if (re-search-forward "^$" nil t)
- (match-beginning 0)
- (point-max)))
- (goto-char (point-min))
- (when (looking-at ".*href=\"\\([^\"]+\\)\"")
- (setq url (match-string 1)))
- (nnweb-remove-markup)
- (goto-char (point-min))
- (while (search-forward "\t" nil t)
- (replace-match " "))
- (goto-char (point-min))
- (while (re-search-forward "^\\([^:]+\\): \\(.*\\)$" nil t)
- (set (intern (match-string 1)) (match-string 2)))
- (widen)
- (search-forward "</pre>" nil t)
- (incf i)
- (unless (nnweb-get-hashtb url)
- (push
- (list
- (incf (cdr active))
- (make-full-mail-header
- (cdr active) (concat "(" Newsgroups ") " Subject) From Date
- Message-ID
- nil 0 (string-to-int Score) url))
- map)
- (nnweb-set-hashtb (cadar map) (car map))))
- (setq more nil))
- ;; Return the articles in the right order.
- (setq nnweb-articles
- (sort (nconc nnweb-articles map) 'car-less-than-car))))))
-
-(defun nnweb-reference-wash-article ()
- (let ((case-fold-search t))
- (goto-char (point-min))
- (re-search-forward "^</center><hr>" nil t)
- (delete-region (point-min) (point))
- (search-forward "<pre>" nil t)
- (forward-line -1)
- (let ((body (point-marker)))
- (search-forward "</pre>" nil t)
- (delete-region (point) (point-max))
- (nnweb-remove-markup)
- (goto-char (point-min))
- (while (looking-at " *$")
- (gnus-delete-line))
- (narrow-to-region (point-min) body)
- (while (and (re-search-forward "^$" nil t)
- (not (eobp)))
- (gnus-delete-line))
- (goto-char (point-min))
- (while (looking-at "\\(^[^ ]+:\\) *")
- (replace-match "\\1 " t)
- (forward-line 1))
- (goto-char (point-min))
- (when (re-search-forward "^References:" nil t)
- (narrow-to-region
- (point) (if (re-search-forward "^$\\|^[^:]+:" nil t)
- (match-beginning 0)
- (point-max)))
- (goto-char (point-min))
- (while (not (eobp))
- (unless (looking-at "References")
- (insert "\t")
- (forward-line 1)))
- (goto-char (point-min))
- (while (search-forward "," nil t)
- (replace-match " " t t)))
- (widen)
- (set-marker body nil))))
-
-(defun nnweb-reference-search (search)
- (url-insert-file-contents
- (concat
- (nnweb-definition 'address)
- "?"
- (nnweb-encode-www-form-urlencoded
- `(("search" . "advanced")
- ("querytext" . ,search)
- ("subj" . "")
- ("name" . "")
- ("login" . "")
- ("host" . "")
- ("organization" . "")
- ("groups" . "")
- ("keywords" . "")
- ("choice" . "Search")
- ("startmonth" . "Jul")
- ("startday" . "25")
- ("startyear" . "1996")
- ("endmonth" . "Aug")
- ("endday" . "24")
- ("endyear" . "1996")
- ("mode" . "Quick")
- ("verbosity" . "Verbose")
- ("ranking" . "Relevance")
- ("first" . "1")
- ("last" . "25")
- ("score" . "50")))))
- (setq buffer-file-name nil)
- t)
-
-;;;
-;;; Alta Vista
-;;;
-
-(defun nnweb-altavista-create-mapping ()
- "Perform the search and create an number-to-url alist."
- (save-excursion
- (set-buffer nnweb-buffer)
- (erase-buffer)
- (let ((part 0))
- (when (funcall (nnweb-definition 'search) nnweb-search part)
- (let ((i 0)
- (more t)
- (case-fold-search t)
- (active (or (cadr (assoc nnweb-group nnweb-group-alist))
- (cons 1 0)))
- subject date from id group
- map url)
- (while more
- ;; Go through all the article hits on this page.
- (goto-char (point-min))
- (search-forward "<dt>" nil t)
- (delete-region (point-min) (match-beginning 0))
- (goto-char (point-min))
- (while (search-forward "<dt>" nil t)
- (replace-match "\n<blubb>"))
- (nnweb-decode-entities)
- (goto-char (point-min))
- (while (re-search-forward "<blubb>.*href=\"\\([^\"]+\\)\"><strong>\\([^>]*\\)</strong></a><dd>\\([^-]+\\)- <b>\\([^<]+\\)<.*href=\"news:\\([^\"]+\\)\">.*\">\\(.+\\)</a><P>"
- nil t)
- (setq url (match-string 1)
- subject (match-string 2)
- date (match-string 3)
- group (match-string 4)
- id (concat "<" (match-string 5) ">")
- from (match-string 6))
- (incf i)
- (unless (nnweb-get-hashtb url)
- (push
- (list
- (incf (cdr active))
- (make-full-mail-header
- (cdr active) (concat "(" group ") " subject) from date
- id nil 0 0 url))
- map)
- (nnweb-set-hashtb (cadar map) (car map))))
- ;; See if we want more.
- (when (or (not nnweb-articles)
- (>= i nnweb-max-hits)
- (not (funcall (nnweb-definition 'search)
- nnweb-search (incf part))))
- (setq more nil)))
- ;; Return the articles in the right order.
- (setq nnweb-articles
- (sort (nconc nnweb-articles map) 'car-less-than-car)))))))
-
-(defun nnweb-altavista-wash-article ()
- (goto-char (point-min))
- (let ((case-fold-search t))
- (when (re-search-forward "^<strong>" nil t)
- (delete-region (point-min) (match-beginning 0)))
- (goto-char (point-min))
- (while (looking-at "<strong>\\([^ ]+\\) +</strong> +\\(.*\\)$")
- (replace-match "\\1: \\2" t)
- (forward-line 1))
- (when (re-search-backward "^References:" nil t)
- (narrow-to-region (point) (progn (forward-line 1) (point)))
- (goto-char (point-min))
- (while (re-search-forward "<A.*\\?id@\\([^\"]+\\)\">[0-9]+</A>" nil t)
- (replace-match "<\\1> " t)))
- (widen)
- (nnweb-remove-markup)))
-
-(defun nnweb-altavista-search (search &optional part)
- (url-insert-file-contents
- (concat
- (nnweb-definition 'address)
- "?"
- (nnweb-encode-www-form-urlencoded
- `(("pg" . "aq")
- ("what" . "news")
- ,@(when part `(("stq" . ,(int-to-string (* part 30)))))
- ("fmt" . "d")
- ("q" . ,search)
- ("r" . "")
- ("d0" . "")
- ("d1" . "")))))
- (setq buffer-file-name nil)
- t)