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156 lines
4.6 KiB
EmacsLisp
156 lines
4.6 KiB
EmacsLisp
;;; nnlistserv.el --- retrieving articles via web mailing list archives
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;; Copyright (C) 1997,98 Free Software Foundation, Inc.
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;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
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;; Keywords: news, mail
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; Note: You need to have `url' and `w3' installed for this
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;; backend to work.
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;;; Code:
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(eval-when-compile (require 'cl))
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(require 'nnoo)
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(eval-when-compile (ignore-errors (require 'nnweb)))
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(eval '(require 'nnweb))
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(nnoo-declare nnlistserv
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nnweb)
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(defvoo nnlistserv-directory (nnheader-concat gnus-directory "nnlistserv/")
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"Where nnlistserv will save its files."
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nnweb-directory)
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(defvoo nnlistserv-name 'kk
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"What search engine type is being used."
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nnweb-type)
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(defvoo nnlistserv-type-definition
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'((kk
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(article . nnlistserv-kk-wash-article)
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(map . nnlistserv-kk-create-mapping)
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(search . nnlistserv-kk-search)
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(address . "http://www.itk.ntnu.no/ansatte/Andresen_Trond/kk-f/%s/")
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(pages "fra160396" "fra160796" "fra061196" "fra160197"
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"fra090997" "fra040797" "fra130397" "nye")
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(index . "date.html")
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(identifier . nnlistserv-kk-identity)))
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"Type-definition alist."
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nnweb-type-definition)
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(defvoo nnlistserv-search nil
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"Search string to feed to DejaNews."
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nnweb-search)
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(defvoo nnlistserv-ephemeral-p nil
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"Whether this nnlistserv server is ephemeral."
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nnweb-ephemeral-p)
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;;; Internal variables
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;;; Interface functions
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(nnoo-define-basics nnlistserv)
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(nnoo-import nnlistserv
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(nnweb))
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;;; Internal functions
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;;;
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;;; KK functions.
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;;;
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(defun nnlistserv-kk-create-mapping ()
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"Perform the search and create an number-to-url alist."
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(save-excursion
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(set-buffer nnweb-buffer)
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(let ((case-fold-search t)
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(active (or (cadr (assoc nnweb-group nnweb-group-alist))
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(cons 1 0)))
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(pages (nnweb-definition 'pages))
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map url page subject from )
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(while (setq page (pop pages))
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(erase-buffer)
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(when (funcall (nnweb-definition 'search) page)
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;; Go through all the article hits on this page.
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(goto-char (point-min))
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(nnweb-decode-entities)
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(goto-char (point-min))
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(while (re-search-forward "^<li> *<a href=\"\\([^\"]+\\)\"><b>\\([^\\>]+\\)</b></a> *<[^>]+><i>\\([^>]+\\)<" nil t)
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(setq url (match-string 1)
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subject (match-string 2)
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from (match-string 3))
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(setq url (concat (format (nnweb-definition 'address) page) url))
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(unless (nnweb-get-hashtb url)
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(push
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(list
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(incf (cdr active))
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(make-full-mail-header
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(cdr active) subject from ""
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(concat "<" (nnweb-identifier url) "@kk>")
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nil 0 0 url))
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map)
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(nnweb-set-hashtb (cadar map) (car map))
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(nnheader-message 5 "%s %s %s" (cdr active) (point) pages)
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))))
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;; Return the articles in the right order.
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(setq nnweb-articles
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(sort (nconc nnweb-articles map) 'car-less-than-car)))))
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(defun nnlistserv-kk-wash-article ()
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(let ((case-fold-search t)
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(headers '(sent name email subject id))
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sent name email subject id)
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(nnweb-decode-entities)
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(while headers
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(goto-char (point-min))
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(re-search-forward (format "<!-- %s=\"\\([^\"]+\\)" (car headers) nil t))
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(set (pop headers) (match-string 1)))
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(goto-char (point-min))
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(search-forward "<!-- body" nil t)
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(delete-region (point-min) (progn (forward-line 1) (point)))
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(goto-char (point-max))
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(search-backward "<!-- body" nil t)
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(delete-region (point-max) (progn (beginning-of-line) (point)))
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(nnweb-remove-markup)
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(goto-char (point-min))
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(insert (format "From: %s <%s>\n" name email)
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(format "Subject: %s\n" subject)
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(format "Message-ID: %s\n" id)
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(format "Date: %s\n\n" sent))))
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(defun nnlistserv-kk-search (search)
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(url-insert-file-contents
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(concat (format (nnweb-definition 'address) search)
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(nnweb-definition 'index)))
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t)
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(defun nnlistserv-kk-identity (url)
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"Return an unique identifier based on URL."
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url)
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(provide 'nnlistserv)
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;;; nnlistserv.el ends here
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