X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fnnweb.el;h=760ef7581ebd71eeb4563abd04b6c2bcfd322bbf;hb=8d5b94488b8fe507a83eb5475ecaa54afb8a98b8;hp=dcdf4d48d2f3975ad0a6c3b160944bc62858d58e;hpb=2cc5659442ce551b395b9aeebe213947e415ac6d;p=elisp%2Fgnus.git-

diff --git a/lisp/nnweb.el b/lisp/nnweb.el
index dcdf4d4..760ef75 100644
--- a/lisp/nnweb.el
+++ b/lisp/nnweb.el
@@ -1,5 +1,5 @@
 ;;; nnweb.el --- retrieving articles via web search engines
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
 ;;        Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
@@ -61,19 +61,31 @@ Valid types include `dejanews', `dejanewsold', `reference',
 and `altavista'.")
 
 (defvar nnweb-type-definition
-  '((dejanews
+  '(
+    (dejanews ;; bought by google.com
+     ;;(article . nnweb-google-wash-article)
+     ;;(id . "http://groups.google.com/groups?as_umsgid=%s")
      (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))
+     (id . "http://groups.google.com/groups?selm=%s&output=gplain")
+     ;;(reference . nnweb-google-reference)
+     (reference . identity)
+     (map . nnweb-google-create-mapping)
+     (search . nnweb-google-search)
+     (address . "http://groups.google.com/groups")
+     (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)
@@ -134,9 +146,10 @@ and `altavista'.")
   (when (and group
 	     (not (equal group nnweb-group))
 	     (not nnweb-ephemeral-p))
+    (setq nnweb-group group
+	  nnweb-articles nil)
     (let ((info (assoc group nnweb-group-alist)))
       (when info
-	(setq nnweb-group group)
 	(setq nnweb-type (nth 2 info))
 	(setq nnweb-search (nth 3 info))
 	(unless dont-check
@@ -175,17 +188,19 @@ and `altavista'.")
 		(and (stringp article)
 		     (nnweb-definition 'id t)
 		     (let ((fetch (nnweb-definition 'id))
-			   art)
+			   art active)
 		       (when (string-match "^<\\(.*\\)>$" article)
 			 (setq art (match-string 1 article)))
-		       (and fetch
-			    art
-			    (mm-with-unibyte-current-buffer
-			      (nnweb-fetch-url
-			       (format fetch article)))))))
+		       (when (and fetch art)
+			 (setq url (format fetch art))
+			 (mm-with-unibyte-current-buffer
+			   (nnweb-fetch-url url))
+			 (if (nnweb-definition 'reference t)
+			     (setq article
+				   (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))))))
 
@@ -395,7 +410,7 @@ and `altavista'.")
 				     (car (rassq (string-to-number
 						  (match-string 2 date))
 						 parse-time-months))
-				     (match-string 3 date) 
+				     (match-string 3 date)
 				     (match-string 1 date)))
 		(setq date "Jan 1 00:00:00 0000"))
 	      (incf i)
@@ -561,6 +576,7 @@ and `altavista'.")
 	(while (search-forward "," nil t)
 	  (replace-match " " t t)))
       (widen)
+      (nnweb-decode-entities)
       (set-marker body nil))))
 
 (defun nnweb-reference-search (search)
@@ -665,7 +681,8 @@ and `altavista'.")
       (while (re-search-forward "<A.*\\?id@\\([^\"]+\\)\">[0-9]+</A>" nil t)
 	(replace-match "&lt;\\1&gt; " t)))
     (widen)
-    (nnweb-remove-markup)))
+    (nnweb-remove-markup)
+    (nnweb-decode-entities)))
 
 (defun nnweb-altavista-search (search &optional part)
   (url-insert-file-contents
@@ -685,13 +702,147 @@ and `altavista'.")
   t)
 
 ;;;
+;;; Deja bought by google.com
+;;;
+
+(defun nnweb-google-wash-article ()
+  (let ((case-fold-search t) url)
+    (goto-char (point-min))
+    (re-search-forward "^<pre>" nil t)
+    (narrow-to-region (point-min) (point))
+    (search-backward "<table " nil t 2)
+    (delete-region (point-min) (point))
+    (if (re-search-forward "Search Result [0-9]+" nil t)
+	(replace-match ""))
+    (if (re-search-forward "View complete thread ([0-9]+ articles?)" nil t)
+	(replace-match ""))
+    (goto-char (point-min))
+    (while (search-forward "<br>" nil t)
+      (replace-match "\n"))
+    (nnweb-remove-markup)
+    (goto-char (point-min))
+    (while (re-search-forward "^[ \t]*\n" nil t)
+      (replace-match ""))
+    (goto-char (point-max))
+    (insert "\n")
+    (widen)
+    (narrow-to-region (point) (point-max))
+    (search-forward "</pre>" nil t)
+    (delete-region (point) (point-max))
+    (nnweb-remove-markup)
+    (widen)))
+
+(defun nnweb-google-parse-1 (&optional Message-ID)
+  (let ((i 0)
+	(case-fold-search t)
+	(active (cadr (assoc nnweb-group nnweb-group-alist)))
+	Subject Score Date Newsgroups From
+	map url mid)
+    (unless active
+      (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 mid (match-string 2)
+	    url (format 
+		 "http://groups.google.com/groups?selm=%s&output=gplain" mid))
+      (narrow-to-region (search-forward ">" nil t)
+			(search-forward "</a>" nil t))
+      (nnweb-remove-markup)
+      (nnweb-decode-entities)
+      (setq Subject (buffer-string))
+      (goto-char (point-max))
+      (widen)
+      (forward-line 2)
+      (when (looking-at "<br><font[^>]+>")
+	(goto-char (match-end 0)))
+      (if (not (looking-at "<a[^>]+>"))
+	  (skip-chars-forward " \t")
+	(narrow-to-region (point)
+			  (search-forward "</a>" nil t))
+	(nnweb-remove-markup)
+	(nnweb-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)))
+      (forward-line 1)
+      (incf i)
+      (unless (nnweb-get-hashtb url)
+	(push
+	 (list
+	  (incf (cdr active))
+	  (make-full-mail-header
+	   (cdr active) (if Newsgroups
+			    (concat  "(" Newsgroups ") " Subject)
+			  Subject)
+	   From Date (or Message-ID mid)
+	   nil 0 0 url))
+	 map)
+	(nnweb-set-hashtb (cadar map) (car map))))
+    map))
+
+(defun nnweb-google-reference (id)
+  (let ((map (nnweb-google-parse-1 id)) header)
+    (setq nnweb-articles
+	  (nconc nnweb-articles map))
+    (when (setq header (cadar map))
+      (mm-with-unibyte-current-buffer
+	(nnweb-fetch-url (mail-header-xref header)))
+      (caar map))))
+
+(defun nnweb-google-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 ((more t))
+	(while more
+	  (setq nnweb-articles
+		(nconc nnweb-articles (nnweb-google-parse-1)))
+	  ;; FIXME: There is more.
+	  (setq more nil))
+	;; Return the articles in the right order.
+	(setq nnweb-articles
+	      (sort nnweb-articles 'car-less-than-car))))))
+
+(defun nnweb-google-search (search)
+  (nnweb-insert
+   (concat
+    (nnweb-definition 'address)
+    "?"
+    (nnweb-encode-www-form-urlencoded
+     `(("q" . ,search)
+       ("num". "100")
+       ("hq" . "")
+       ("hl" . "")
+       ("lr" . "")
+       ("safe" . "off")
+       ("sites" . "groups")))))
+  t)
+
+(defun nnweb-google-identity (url)
+  "Return an unique identifier based on URL."
+  (if (string-match "selm=\\([^ &>]+\\)" url)
+      (match-string 1 url)
+    url))
+
+;;;
 ;;; General web/w3 interface utility functions
 ;;;
 
 (defun nnweb-insert-html (parse)
   "Insert HTML based on a w3 parse tree."
   (if (stringp parse)
-      (insert parse)
+      (insert (nnheader-string-as-multibyte parse))
     (insert "<" (symbol-name (car parse)) " ")
     (insert (mapconcat
 	     (lambda (param)
@@ -730,13 +881,13 @@ and `altavista'.")
   (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))
-			  ?#))))
+		    (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))))
@@ -767,7 +918,7 @@ If FOLLOW-REFRESH is non-nil, redirect refresh url in META."
 	  (narrow-to-region (point) (point))
 	  (url-insert-file-contents url)
 	  (goto-char (point-min))
-	  (when (re-search-forward 
+	  (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))