/usr/share/emacs/site-lisp/w3m/shimbun/sb-rss-hash.el is in w3m-el-snapshot 1.4.569+0.20170110-1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | ;;; sb-rss-hash.el --- shimbun backend for rss description -*- coding: iso-2022-7bit -*-
;; Copyright (C) 2006, 2009, 2011 Tsuyoshi CHO <tsuyoshi_cho@ybb.ne.jp>
;; Author: Tsuyoshi CHO <tsuyoshi_cho@ybb.ne.jp>
;; Keywords: shimbun
;; This file is a part of shimbun.
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;;; Code:
(require 'sb-rss)
(require 'sb-hash)
(eval-and-compile
(luna-define-class rss-content-hash (content-hash) ())
(luna-define-class shimbun-rss-hash (shimbun-rss) (content)))
(defvar shimbun-rss-hash-group-path-alist
'(;; name rss-url type(opt:html is t) content-start(opt) content-end(opt)
))
(luna-define-method content-hash-update-items ((content-hash rss-content-hash)
shimbun)
(with-temp-buffer
(let ((case-fold-search t))
(shimbun-retrieve-url
(content-hash-contents-url content-hash shimbun) 'no-cache 'no-decode)
;; In some rss feeds, LFs might be used mixed with CRLFs.
(shimbun-strip-cr)
(insert
(prog1
(decode-coding-string (buffer-string) (shimbun-rss-get-encoding))
(erase-buffer)
(set-buffer-multibyte t)))
(content-hash-update-items-impl content-hash shimbun))))
(luna-define-method content-hash-update-items-impl
((content-hash rss-content-hash) shimbun)
(let (xml dc-ns rss-ns content-ns
(buf-str (buffer-string)))
(with-temp-buffer
(erase-buffer)
(set-buffer-multibyte t)
(insert buf-str)
;; parse xml : check url and desc
(setq xml (condition-case err
(shimbun-xml-parse-buffer)
(error
(message "Error while parsing %s: %s"
(content-hash-contents-url content-hash shimbun)
(error-message-string err))
nil)))
(when xml
(setq dc-ns (shimbun-rss-get-namespace-prefix
xml "http://purl.org/dc/elements/1.1/")
content-ns (shimbun-rss-get-namespace-prefix
xml "http://purl.org/rss/1.0/modules/content/")
rss-ns (shimbun-rss-get-namespace-prefix
xml "http://purl.org/rss/1.0/"))
(dolist (item (shimbun-rss-find-el
(intern (concat rss-ns "item")) xml))
(let ((url (and (listp item)
(eq (intern (concat rss-ns "item")) (car item))
(shimbun-rss-node-text rss-ns 'link (cddr item)))))
(when url
(let* ((date (or (shimbun-rss-get-date shimbun url)
(shimbun-rss-node-text dc-ns 'date item)
(shimbun-rss-node-text rss-ns 'pubDate item)))
(id (shimbun-rss-build-message-id shimbun url date))
(content (shimbun-rss-node-text
content-ns 'encoded item))
(description (shimbun-rss-node-text
rss-ns 'description item)))
(when content
(when (string-match (concat (regexp-quote "<![CDATA[")
"\\(.*\\)"
(regexp-quote "]]>")) content)
(setq content (match-string 1 content))))
;; save contents
(when (and id (or content description))
(content-hash-set-item content-hash id
(or content description)))))))))))
(luna-define-method initialize-instance :after ((shimbun shimbun-rss-hash)
&rest init-args)
(luna-set-slot-value shimbun 'content
(luna-make-entity 'rss-content-hash))
shimbun)
(luna-define-method shimbun-groups ((shimbun shimbun-rss-hash))
(mapcar 'car shimbun-rss-hash-group-path-alist))
(luna-define-method shimbun-index-url ((shimbun shimbun-rss-hash))
(nth 1 (assoc (shimbun-current-group-internal shimbun)
shimbun-rss-hash-group-path-alist)))
(luna-define-method shimbun-get-headers :before ((shimbun shimbun-rss-hash)
&optional range)
(content-hash-update-items-impl (luna-slot-value shimbun 'content) shimbun))
(luna-define-method shimbun-make-contents ((shimbun shimbun-rss-hash) header)
(if (nth 2 (assoc (shimbun-current-group-internal shimbun)
shimbun-rss-hash-group-path-alist))
(shimbun-make-html-contents shimbun header)
(shimbun-make-text-contents shimbun header)))
(luna-define-method shimbun-clear-contents ((shimbun shimbun-rss-hash) header)
(let ((start (nth 3 (assoc (shimbun-current-group-internal shimbun)
shimbun-rss-hash-group-path-alist)))
(end (nth 4 (assoc (shimbun-current-group-internal shimbun)
shimbun-rss-hash-group-path-alist)))
(case-fold-search t))
(goto-char (point-min))
(when (and (stringp start)
(re-search-forward start nil t)
(progn
(setq start (point))
(stringp end))
(re-search-forward end nil t))
(delete-region (match-beginning 0) (point-max))
(delete-region (point-min) start)
t)))
(luna-define-method shimbun-article ((shimbun shimbun-rss-hash) header
&optional outbuf)
(content-hash-shimbun-article (luna-slot-value shimbun 'content)
shimbun header outbuf))
(luna-define-method shimbun-rss-build-message-id ((shimbun
shimbun-rss-hash)
url &optional date)
(let* ((group (shimbun-current-group-internal shimbun)))
(when (string-match "#" url)
(setq url (substring url 0 (match-beginning 0))))
(when (stringp date)
(setq url (concat url date)))
(concat "<" (md5 (concat url)) "." group "@rss-hash>")))
(provide 'sb-rss-hash)
;;; sb-rss-hash.el ends here
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