/usr/share/emacs/site-lisp/w3m/shimbun/sb-multi.el is in w3m-el 1.4.483+0.20120614-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | ;;; sb-multi.el --- Virtual shimbun class to retrieve multiple pages.
;; Copyright (C) 2006-2009, 2011 TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Author: TSUCHIYA Masatoshi <tsuchiya@namazu.org>
;; Keywords: news
;; 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:
(eval-when-compile
(require 'cl)
;; `multiple-value-bind' requires the 2nd argument to be multiple-value,
;; not a list, in particular for XEmacs 21.5. `values-list' does it,
;; but is a run-time cl function in XEmacs 21.4 and Emacs 21.
(when (eq 'identity (symbol-function 'values-list))
(define-compiler-macro values-list (arg)
arg)))
(require 'shimbun)
(autoload 'shimbun-shallow-rendering "sb-text")
(luna-define-class shimbun-multi () ())
(luna-define-generic shimbun-multi-next-url (shimbun header url)
"Return a URL of the next page if it exists in this current buffer.")
(luna-define-generic shimbun-multi-clear-contents (shimbun
header
has-previous-page
has-next-page)
"Clear a content in this current buffer for an article of SHIMBUN.
Return nil, unless a content is cleared successfully.")
(luna-define-method shimbun-multi-clear-contents ((shimbun shimbun-multi)
header
has-previous-page
has-next-page)
(shimbun-clear-contents shimbun header))
(defun shimbun-multi-retrieve-next-pages (shimbun header base-cid url
&optional images cont)
(let ((prefer-text-plain (shimbun-prefer-text-plain-internal shimbun))
(case-fold-search t) base-url next-url)
(setq base-url (or (shimbun-current-base-url)
(file-name-directory url))
next-url (shimbun-multi-next-url shimbun header base-url))
(when (shimbun-multi-clear-contents shimbun header cont next-url)
(goto-char (point-min))
(insert "<html>\n<head>\n<base href=\""
base-url
"\">\n</head>\n<body>\n")
(goto-char (point-max))
(if next-url
(insert "\n</body>\n</html>\n")
(if prefer-text-plain
(shimbun-insert-footer shimbun header)
(shimbun-insert-footer shimbun header t "</body>\n</html>\n"))))
(if prefer-text-plain
(shimbun-shallow-rendering)
(when shimbun-encapsulate-images
(setq images (shimbun-mime-replace-image-tags shimbun
base-cid
base-url
images))))
(let ((body (shimbun-make-text-entity (if prefer-text-plain
"text/plain"
"text/html")
(buffer-string)))
(result
(when next-url
(with-temp-buffer
(shimbun-fetch-url shimbun next-url nil nil url)
(shimbun-multi-retrieve-next-pages shimbun
header
base-cid
next-url
images t)))))
(list (cons body (car result))
(or (nth 1 result) images)))))
(defun shimbun-multi-make-contents (shimbun header)
(let ((base-cid (shimbun-header-id header))
(body))
(if (string-match "\\`<\\([^>]+\\)>\\'" base-cid)
(setq base-cid (match-string 1 base-cid))
(error "Cannot extract base CID from %s for %s"
base-cid (shimbun-article-url shimbun header)))
(multiple-value-bind (texts images)
(values-list
(shimbun-multi-retrieve-next-pages shimbun header base-cid
(shimbun-article-url shimbun
header)))
(if (= (length texts) 1)
(setq body (car texts))
(setq body (shimbun-make-multipart-entity))
(let ((i 0))
(dolist (text texts)
(setf (shimbun-entity-cid text)
(format "shimbun.%d.%s" (incf i) base-cid))))
(apply 'shimbun-entity-add-child body texts))
(when images
(setf (shimbun-entity-cid body) (concat "shimbun.0." base-cid))
(let ((new (shimbun-make-multipart-entity)))
(shimbun-entity-add-child new body)
(apply 'shimbun-entity-add-child new (mapcar 'cdr (nreverse images)))
(setq body new))))
(erase-buffer)
(shimbun-header-insert shimbun header)
(insert "MIME-Version: 1.0\n")
(shimbun-entity-insert body))
(buffer-string))
(luna-define-method shimbun-make-contents ((shimbun shimbun-multi) header)
(shimbun-multi-make-contents shimbun header))
(provide 'sb-multi)
;;; sb-multi.el ends here
|