;;; nnweb.el --- retrieving articles via web search engines
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
-;; Free Software Foundation, Inc.
+
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+;; 2004, 2005 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
;; 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.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Commentary:
-;; Note: You need to have `url' and `w3' installed for this
-;; backend to work.
+;; Note: You need to have `w3' installed for some functions to work.
;;; Code:
(require 'gnus)
(require 'nnmail)
(require 'mm-util)
-(eval-when-compile
+(require 'mm-url)
+(eval-and-compile
(ignore-errors
- (require 'w3)
- (require 'url)
- (require 'w3-forms)))
-
-;; Report failure to find w3 at load time if appropriate.
-(unless noninteractive
- (eval '(progn
- (require 'w3)
- (require 'url)
- (require 'w3-forms))))
+ (require 'url)))
+(autoload 'w3-parse-buffer "w3-parse")
(nnoo-declare nnweb)
(defvoo nnweb-directory (nnheader-concat gnus-directory "nnweb/")
"Where nnweb will save its files.")
-(defvoo nnweb-type 'dejanews
+(defvoo nnweb-type 'google
"What search engine type is being used.
-Valid types include `dejanews', `dejanewsold', `reference',
-and `altavista'.")
+Valid types include `google', `dejanews', and `gmane'.")
(defvar nnweb-type-definition
- '(
- (dejanews ;; bought by google.com
- (article . nnweb-google-wash-article)
- (id . "http://groups.google.com/groups?as_umsgid=%s")
- (reference . nnweb-google-reference)
+ '((google
+ (article . ignore)
+ (id . "http://groups.google.de/groups?selm=%s&output=gplain")
+ (reference . identity)
+ (map . nnweb-google-create-mapping)
+ (search . nnweb-google-search)
+ (address . "http://groups.google.de/groups")
+ (base . "http://groups.google.de")
+ (identifier . nnweb-google-identity))
+ (dejanews ;; alias of google
+ (article . ignore)
+ (id . "http://groups.google.com/groups?selm=%s&output=gplain")
+ (reference . identity)
(map . nnweb-google-create-mapping)
(search . nnweb-google-search)
(address . "http://groups.google.com/groups")
+ (base . "http://groups.google.com")
(identifier . nnweb-google-identity))
-;;; (dejanews
-;;; (article . ignore)
-;;; (id . "http://search.dejanews.com/msgid.xp?MID=%s&fmt=text")
-;;; (map . nnweb-dejanews-create-mapping)
-;;; (search . nnweb-dejanews-search)
-;;; (address . "http://www.deja.com/=dnc/qs.xp")
-;;; (identifier . nnweb-dejanews-identity))
-;;; (dejanewsold
-;;; (article . ignore)
-;;; (map . nnweb-dejanews-create-mapping)
-;;; (search . nnweb-dejanewsold-search)
-;;; (address . "http://www.deja.com/dnquery.xp")
-;;; (identifier . nnweb-dejanews-identity))
- (reference
- (article . nnweb-reference-wash-article)
- (map . nnweb-reference-create-mapping)
- (search . nnweb-reference-search)
- (address . "http://www.reference.com/cgi-bin/pn/go")
- (identifier . identity))
- (altavista
- (article . nnweb-altavista-wash-article)
- (map . nnweb-altavista-create-mapping)
- (search . nnweb-altavista-search)
- (address . "http://www.altavista.digital.com/cgi-bin/query")
- (id . "/cgi-bin/news?id@%s")
- (identifier . identity)))
+ (gmane
+ (article . nnweb-gmane-wash-article)
+ (id . "http://gmane.org/view.php?group=%s")
+ (reference . identity)
+ (map . nnweb-gmane-create-mapping)
+ (search . nnweb-gmane-search)
+ (address . "http://gmane.org/")
+ (identifier . nnweb-gmane-identity)))
"Type-definition alist.")
(defvoo nnweb-search nil
- "Search string to feed to DejaNews.")
+ "Search string to feed to Google.")
(defvoo nnweb-max-hits 999
"Maximum number of hits to display.")
(deffoo nnweb-request-scan (&optional group server)
(nnweb-possibly-change-server group server)
+ (if nnweb-ephemeral-p
+ (setq nnweb-hashtb (gnus-make-hashtable 4095)))
(funcall (nnweb-definition 'map))
(unless nnweb-ephemeral-p
(nnweb-write-active)
(url (and header (mail-header-xref header))))
(when (or (and url
(mm-with-unibyte-current-buffer
- (nnweb-fetch-url url)))
+ (mm-url-insert url)))
(and (stringp article)
(nnweb-definition 'id t)
(let ((fetch (nnweb-definition 'id))
(when (string-match "^<\\(.*\\)>$" article)
(setq art (match-string 1 article)))
(when (and fetch art)
- (setq url (format fetch article))
+ (setq url (format fetch art))
(mm-with-unibyte-current-buffer
- (nnweb-fetch-url url))
+ (mm-url-insert url))
(if (nnweb-definition 'reference t)
(setq article
- (funcall (nnweb-definition
+ (funcall (nnweb-definition
'reference) article)))))))
(unless nnheader-callback-function
- (funcall (nnweb-definition 'article))
- (nnweb-decode-entities))
+ (funcall (nnweb-definition 'article)))
(nnheader-report 'nnweb "Fetched article %s" article)
(cons group (and (numberp article) article))))))
(nnweb-possibly-change-server group server))
(deffoo nnweb-asynchronous-p ()
- t)
+ nil)
(deffoo nnweb-request-create-group (group &optional server args)
(nnweb-possibly-change-server nil server)
(nnweb-open-server server)))
(unless nnweb-group-alist
(nnweb-read-active))
+ (unless nnweb-hashtb
+ (setq nnweb-hashtb (gnus-make-hashtable 4095)))
(when group
(when (and (not nnweb-ephemeral-p)
- (not (equal group nnweb-group)))
- (setq nnweb-hashtb (gnus-make-hashtable 4095))
+ (equal group nnweb-group))
(nnweb-request-group group nil t))))
(defun nnweb-init (server)
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)
-
;;;
;;; Deja bought by google.com
;;;
(goto-char (point-min))
(while (search-forward "<br>" nil t)
(replace-match "\n"))
- (nnweb-remove-markup)
+ (mm-url-remove-markup)
(goto-char (point-min))
(while (re-search-forward "^[ \t]*\n" nil t)
(replace-match ""))
(narrow-to-region (point) (point-max))
(search-forward "</pre>" nil t)
(delete-region (point) (point-max))
- (nnweb-remove-markup)
+ (mm-url-remove-markup)
(widen)))
(defun nnweb-google-parse-1 (&optional Message-ID)
(case-fold-search t)
(active (cadr (assoc nnweb-group nnweb-group-alist)))
Subject Score Date Newsgroups From
- map url)
+ map url mid)
(unless active
- (push (list nnweb-group (setq active (cons 1 0))
+ (push (list nnweb-group (setq active (cons 1 0))
nnweb-type nnweb-search)
nnweb-group-alist))
;; Go through all the article hits on this page.
(goto-char (point-min))
(while (re-search-forward
- "a href=/groups\\(\\?[^ \">]*selm=[^ \">]*\\)" nil t)
- (setq url
- (concat (nnweb-definition 'address)
- (match-string 1)))
+ "a href=/groups\\(\\?[^ \">]*selm=\\([^ &\">]+\\)\\)" nil t)
+ (setq mid (match-string 2)
+ url (format
+ (nnweb-definition 'id) mid))
(narrow-to-region (search-forward ">" nil t)
(search-forward "</a>" nil t))
- (nnweb-remove-markup)
- (nnweb-decode-entities)
+ (mm-url-remove-markup)
+ (mm-url-decode-entities)
(setq Subject (buffer-string))
(goto-char (point-max))
(widen)
(skip-chars-forward " \t")
(narrow-to-region (point)
(search-forward "</a>" nil t))
- (nnweb-remove-markup)
- (nnweb-decode-entities)
+ (mm-url-remove-markup)
+ (mm-url-decode-entities)
(setq Newsgroups (buffer-string))
(goto-char (point-max))
(widen)
(skip-chars-forward "- \t"))
- (when (looking-at
- "\\([0-9]+[/ ][A-Za-z]+[/ ][0-9]+\\)[ \t]*by[ \t]*\\([^<]*\\) - <a")
- (setq From (match-string 2)
- Date (match-string 1)))
+ (when (looking-at
+ "\\([0-9]+\\)[/ ]\\([A-Za-z]+\\)[/ ]\\([0-9]+\\)[ \t]*by[ \t]*\\([^<]*\\) - <a")
+ (setq From (match-string 4)
+ Date (format "%s %s 00:00:00 %s"
+ (match-string 2) (match-string 1)
+ (match-string 3))))
(forward-line 1)
(incf i)
(unless (nnweb-get-hashtb url)
(incf (cdr active))
(make-full-mail-header
(cdr active) (if Newsgroups
- (concat "(" Newsgroups ") " Subject)
+ (concat "(" Newsgroups ") " Subject)
Subject)
- From Date Message-ID
+ From Date (or Message-ID mid)
nil 0 0 url))
map)
(nnweb-set-hashtb (cadar map) (car map))))
(defun nnweb-google-reference (id)
(let ((map (nnweb-google-parse-1 id)) header)
- (setq nnweb-articles
+ (setq nnweb-articles
(nconc nnweb-articles map))
(when (setq header (cadar map))
(mm-with-unibyte-current-buffer
- (nnweb-fetch-url (mail-header-xref header)))
+ (mm-url-insert (mail-header-xref header)))
(caar map))))
(defun nnweb-google-create-mapping ()
- "Perform the search and create an number-to-url alist."
+ "Perform the search and create a number-to-url alist."
(save-excursion
(set-buffer nnweb-buffer)
(erase-buffer)
(when (funcall (nnweb-definition 'search) nnweb-search)
- (let ((more t))
+ (let ((more t)
+ (i 0))
(while more
(setq nnweb-articles
(nconc nnweb-articles (nnweb-google-parse-1)))
- ;; FIXME: There is more.
- (setq more nil))
+ ;; Check if there are more articles to fetch
+ (goto-char (point-min))
+ (incf i 100)
+ (if (or (not (re-search-forward
+ "<td nowrap><a href=\\([^>]+\\).*<span class=b>Next</span>" nil t))
+ (>= i nnweb-max-hits))
+ (setq more nil)
+ ;; Yup, there are more articles
+ (setq more (concat (nnweb-definition 'base) (match-string 1)))
+ (when more
+ (erase-buffer)
+ (mm-url-insert more))))
;; Return the articles in the right order.
(setq nnweb-articles
(sort nnweb-articles 'car-less-than-car))))))
(defun nnweb-google-search (search)
- (nnweb-insert
+ (mm-url-insert
(concat
(nnweb-definition 'address)
"?"
- (nnweb-encode-www-form-urlencoded
+ (mm-url-encode-www-form-urlencoded
`(("q" . ,search)
- ("num". "100")
+ ("num" . "100")
("hq" . "")
- ("hl" . "")
+ ("hl" . "en")
("lr" . "")
("safe" . "off")
("sites" . "groups")))))
(defun nnweb-google-identity (url)
"Return an unique identifier based on URL."
- (if (string-match "seld=\\([0-9]+\\)" url)
+ (if (string-match "selm=\\([^ &>]+\\)" url)
+ (match-string 1 url)
+ url))
+
+;;;
+;;; gmane.org
+;;;
+(defun nnweb-gmane-create-mapping ()
+ "Perform the search and create a number-to-url alist."
+ (save-excursion
+ (set-buffer nnweb-buffer)
+ (erase-buffer)
+ (when (funcall (nnweb-definition 'search) nnweb-search)
+ (let ((more t)
+ (case-fold-search t)
+ (active (or (cadr (assoc nnweb-group nnweb-group-alist))
+ (cons 1 0)))
+ subject group url
+ map)
+ ;; Remove stuff from the beginning of results
+ (goto-char (point-min))
+ (search-forward "Search Results</h1><ul>" nil t)
+ (delete-region (point-min) (point))
+ (goto-char (point-min))
+ ;; Iterate over the actual hits
+ (while (re-search-forward ".*href=\"\\([^\"]+\\)\">\\(.*\\)" nil t)
+ (setq url (concat "http://gmane.org/" (match-string 1)))
+ (setq subject (match-string 2))
+ (unless (nnweb-get-hashtb url)
+ (push
+ (list
+ (incf (cdr active))
+ (make-full-mail-header
+ (cdr active) (concat "(" group ") " subject) nil nil
+ nil nil 0 0 url))
+ map)
+ (nnweb-set-hashtb (cadar map) (car map))))
+ ;; Return the articles in the right order.
+ (setq nnweb-articles
+ (sort (nconc nnweb-articles map) 'car-less-than-car))))))
+
+(defun nnweb-gmane-wash-article ()
+ (let ((case-fold-search t))
+ (goto-char (point-min))
+ (search-forward "<!--X-Head-of-Message-->" nil t)
+ (delete-region (point-min) (point))
+ (goto-char (point-min))
+ (while (looking-at "^<li><em>\\([^ ]+\\)</em>.*</li>")
+ (replace-match "\\1\\2" t)
+ (forward-line 1))
+ (mm-url-remove-markup)))
+
+(defun nnweb-gmane-search (search)
+ (mm-url-insert
+ (concat
+ (nnweb-definition 'address)
+ "?"
+ (mm-url-encode-www-form-urlencoded
+ `(("query" . ,search)))))
+ (setq buffer-file-name nil)
+ t)
+
+
+(defun nnweb-gmane-identity (url)
+ "Return a unique identifier based on URL."
+ (if (string-match "group=\\(.+\\)" url)
(match-string 1 url)
url))
(nth 1 parse)
" "))
(insert ">\n")
- (mapcar 'nnweb-insert-html (nth 2 parse))
+ (mapc 'nnweb-insert-html (nth 2 parse))
(insert "</" (symbol-name (car parse)) ">\n")))
-(defun nnweb-encode-www-form-urlencoded (pairs)
- "Return PAIRS encoded for forms."
- (mapconcat
- (function
- (lambda (data)
- (concat (w3-form-encode-xwfu (car data)) "="
- (w3-form-encode-xwfu (cdr data)))))
- pairs "&"))
-
-(defun nnweb-fetch-form (url pairs)
- "Fetch a form from URL with PAIRS as the data using the POST method."
- (let ((url-request-data (nnweb-encode-www-form-urlencoded pairs))
- (url-request-method "POST")
- (url-request-extra-headers
- '(("Content-type" . "application/x-www-form-urlencoded"))))
- (url-insert-file-contents url)
- (setq buffer-file-name nil))
- t)
-
-(defun nnweb-decode-entities ()
- "Decode all HTML entities."
- (goto-char (point-min))
- (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 (string)
- (with-temp-buffer
- (insert string)
- (nnweb-decode-entities)
- (buffer-substring (point-min) (point-max))))
-
-(defun nnweb-remove-markup ()
- "Remove all HTML markup, leaving just plain text."
- (goto-char (point-min))
- (while (search-forward "<!--" nil t)
- (delete-region (match-beginning 0)
- (or (search-forward "-->" nil t)
- (point-max))))
- (goto-char (point-min))
- (while (re-search-forward "<[^>]+>" nil t)
- (replace-match "" t t)))
-
-(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))
- (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)
"Find the element of TYPE in PARSE."
(catch 'found
(listp (cdr element)))
(nnweb-text-1 element)))))
-(defun nnweb-replace-in-string (string match newtext)
- (while (string-match match string)
- (setq string (replace-match newtext t t string)))
- string)
-
(provide 'nnweb)
+;;; arch-tag: f59307eb-c90f-479f-b7d2-dbd8bf51b697
;;; nnweb.el ends here
projects / gnus / blobdiff