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Add a new super-simple HTML renderer based on w3m -halfdump by Lars Magne Ingebrigtsen <larsi@gnus.org>.

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* gnus-html.el: Start a new super-simple HTML renderer based on w3m.
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Katsumi Yamaoka 2010-08-30 06:13:50 +00:00
parent 6b8382e49d
commit 655efd7175
2 changed files with 80 additions and 0 deletions
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lisp/gnus/ChangeLog
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2010-08-29 Lars Magne Ingebrigtsen <larsi@gnus.org>
* gnus-html.el: Start a new super-simple HTML renderer based on w3m.
2010-08-28 Lars Magne Ingebrigtsen <larsi@gnus.org>
* gnus.el (gnus-valid-select-methods): Remove reference to nngoogle,

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lisp/gnus/gnus-html.el Normal file
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;;; gnus-html.el --- Quoted-Printable functions
;; Copyright (C) 2010 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: html, web
;; This file is part of GNU Emacs.
;; GNU Emacs 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 3 of the License, or
;; (at your option) any later version.
;; GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; The idea is to provide a simple, fast and pretty minimal way to
;; render HTML (including links and images) in a buffer, based on an
;; external HTML renderer (i.e., w3m).
;;; Code:
;;;###autoload
(defun gnus-article-html (handle)
(let ((article-buffer (current-buffer)))
(save-restriction
(narrow-to-region (point) (point))
(save-excursion
(set-buffer (car handle))
(call-process-region (point-min) (point-max)
"w3m"
nil article-buffer nil
"-halfdump"
"-T" "text/html"))
(gnus-html-wash-tags))))
(defun gnus-html-wash-tags ()
(let (tag parameters string start end)
;;(subst-char-in-region (point-min) (point-max) ?_ ? )
(goto-char (point-min))
(while (re-search-forward "<\\([^ ]+\\)\\([^>]*\\)>\\([^<]*\\)<[^>]*>" nil t)
(setq tag (match-string 1)
parameters (match-string 2)
string (match-string 3)
start (match-beginning 0)
end (+ start (length string)))
(replace-match string)
(cond
;; Fetch and insert a picture.
((equal tag "img_alt")
;;
)
;; Add a link.
((equal tag "a")
(when (string-match "href=\"\\([^\"]+\\)" parameters)
(setq parameters (match-string 1 parameters))
(gnus-article-add-button start end
'browse-url parameters)
(let ((overlay (gnus-make-overlay start end)))
(gnus-overlay-put overlay 'evaporate t)
(gnus-overlay-put overlay 'gnus-button-url parameters)
(when gnus-article-mouse-face
(gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))))
;; Whatever. Just ignore the tag.
(t
(replace-match string))))))
;;; gnus-html.el ends here