106 lines
3.8 KiB
EmacsLisp
106 lines
3.8 KiB
EmacsLisp
;;; sb-emacswiki.el --- emacswiki shimbun backend
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;; Copyright (C) 2004, 2005 David Hansen
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;; Author: David Hansen <david.hansen@physik.fu-berlin.de>
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;; Keywords: news
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;; This file is a part of shimbun.
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;; This 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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;; This 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., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Code:
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(require 'shimbun)
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(require 'sb-rss)
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(luna-define-class shimbun-emacswiki (shimbun-rss) ())
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(defvar shimbun-emacswiki-url
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"http://www.emacswiki.org/cgi-bin/wiki.pl?action=rss")
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(defvar shimbun-emacswiki-groups '("changes" "diff"))
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(defvar shimbun-emacswiki-from-address "invalid@emacswiki.org")
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(defvar shimbun-emacswiki-content-start "<h1>")
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(defvar shimbun-emacswiki-content-end "<div class=\"footer\">")
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(defvar shimbun-emacswiki-x-face-alist
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'(("default" . "X-Face: 'Is?R.u_yTmkkPe(`Zyec$CF<xHX/m-bK|ROSqoD|DDW6;z&\
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/T$@b=k:F#n>ri1KJ)/XVXzJ~!dA'H{,F+;f-IaJ$2~S9ZU6U@_\"%*YzLz8kAxsX3(q`>a&zos\
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\\9.[2/gpE76Fim]r7o7hz&@@O#d{`BXdD)i]DQBW,Z]#$5YWYNT}@Y{cm}O}ev`l`QAeZI*NN<\
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e2ibWOZWTFz8j~/m")))
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(luna-define-method shimbun-index-url ((shimbun shimbun-emacswiki))
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shimbun-emacswiki-url)
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(luna-define-method shimbun-get-headers :around ((shimbun shimbun-emacswiki)
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&optional range)
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(static-when (featurep 'xemacs)
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;; It's one of many bugs in XEmacs that the coding systems *-dos
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;; provided by Mule-UCS don't convert CRLF to LF when decoding.
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(shimbun-strip-cr))
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(let ((xml (condition-case err
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(xml-parse-region (point-min) (point-max))
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(error
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(message "Error while parsing %s: %s"
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(shimbun-index-url shimbun)
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(error-message-string err))
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nil)))
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dc-ns rss-ns wiki-ns url headers)
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(when xml
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(setq dc-ns (shimbun-rss-get-namespace-prefix
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xml "http://purl.org/dc/elements/1.1/")
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rss-ns (shimbun-rss-get-namespace-prefix
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xml "http://purl.org/rss/1.0/")
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wiki-ns (shimbun-rss-get-namespace-prefix
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xml "http://purl.org/rss/1.0/modules/wiki/"))
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(dolist (item (shimbun-rss-find-el (intern (concat rss-ns "item")) xml)
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headers)
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(setq url (and (listp item)
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(eq (intern (concat rss-ns "item")) (car item))
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(if (string= (shimbun-current-group shimbun) "changes")
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(shimbun-rss-node-text rss-ns 'link item)
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(shimbun-rss-node-text wiki-ns 'diff item))))
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(when url
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(let* ((date (or (shimbun-rss-node-text dc-ns 'date item)
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(shimbun-rss-node-text rss-ns 'pubDate item)))
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(id (shimbun-rss-build-message-id shimbun url date)))
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(unless (shimbun-search-id shimbun id)
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(push (shimbun-create-header
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0
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(let ((desc (shimbun-rss-node-text rss-ns 'description
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item)))
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(concat (shimbun-rss-node-text rss-ns 'title item)
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(if desc
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(concat " - " desc))))
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(or (shimbun-rss-node-text wiki-ns 'username item)
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(shimbun-from-address shimbun))
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(shimbun-rss-process-date shimbun date)
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id "" 0 0 url)
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headers))))))))
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(luna-define-method shimbun-rss-build-message-id
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((shimbun shimbun-emacswiki) url date)
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(unless (or (string-match "id=\\(.+\\)$" url)
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(string-match "/\\([^/]+\\)$" url))
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(error "Cannot find message-id base"))
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(concat "<" (match-string 1 url) date "@emacswiki.org>"))
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(provide 'sb-emacswiki)
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;;; sb-emacswiki.el ends here
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