-;;; html2text.el --- a simple html to plain text converter
-;; Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+;;; html2text.el --- a simple html to plain text converter -*- coding: utf-8 -*-
+
+;; Copyright (C) 2002-2013 Free Software Foundation, Inc.
;; Author: Joakim Hove <hove@phys.ntnu.no>
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; 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 2, or (at your option)
-;; any later version.
+;; 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
+;; 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; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
(defvar html2text-format-single-element-list '(("hr" . html2text-clean-hr)))
(defvar html2text-replace-list
- '((" " . " ") (">" . ">") ("<" . "<") (""" . "\"")
- ("&" . "&") ("'" . "'"))
+ '(("´" . "`")
+ ("&" . "&")
+ ("'" . "'")
+ ("¦" . "|")
+ ("¢" . "c")
+ ("ˆ" . "^")
+ ("©" . "(C)")
+ ("¤" . "(#)")
+ ("°" . "degree")
+ ("÷" . "/")
+ ("€" . "e")
+ ("½" . "1/2")
+ (">" . ">")
+ ("¿" . "?")
+ ("«" . "<<")
+ ("&ldquo" . "\"")
+ ("‹" . "(")
+ ("‘" . "`")
+ ("<" . "<")
+ ("—" . "--")
+ (" " . " ")
+ ("–" . "-")
+ ("‰" . "%%")
+ ("±" . "+-")
+ ("£" . "£")
+ (""" . "\"")
+ ("»" . ">>")
+ ("&rdquo" . "\"")
+ ("®" . "(R)")
+ ("›" . ")")
+ ("’" . "'")
+ ("§" . "§")
+ ("¹" . "^1")
+ ("²" . "^2")
+ ("³" . "^3")
+ ("˜" . "~"))
"The map of entity to text.
This is an alist were each element is a dotted pair consisting of an
This is a list of tags which should be removed, without any
formatting. Note that tags in the list are presented *without*
-any \"<\" or \">\". All occurences of a tag appearing in this
+any \"<\" or \">\". All occurrences of a tag appearing in this
list are removed, irrespective of whether it is a closing or
opening tag, or if the tag has additional attributes. The
deletion is done by the function `html2text-remove-tags'.
This is an alist where each dotted pair consists of a tag, and then
the name of a function to be called when this tag is found. The
function is called with the arguments p1, p2, p3 and p4. These are
-demontrated below:
+demonstrated below:
\"<b> This is bold text </b>\"
^ ^ ^ ^
"Get value of ATTRIBUTE from LIST."
(nth 1 (assoc attribute list)))
-(defun html2text-get-attr (p1 p2 tag)
+(defun html2text-get-attr (p1 p2)
(goto-char p1)
(re-search-forward " +[^ ]" p2 t)
(let* ((attr-string (buffer-substring-no-properties (1- (point)) (1- p2)))
;; size=3
((string-match "[^ ]=[^ ]" prev)
(let ((attr (nth 0 (split-string prev "=")))
- (value (nth 1 (split-string prev "="))))
+ (value (substring prev (1+ (string-match "=" prev)))))
(setq attr-list (cons (list attr value) attr-list))))
;; size= 3
((string-match "[^ ]=\\'" prev)
;; size=3
((string-match "[^ ]=[^ ]" this)
(let ((attr (nth 0 (split-string this "=")))
- (value (nth 1 (split-string this "="))))
+ (value (substring prev (1+ (string-match "=" this)))))
(setq attr-list (cons (list attr value) attr-list))))
;; size =3
((string-match "\\`=[^ ]" this)
;; return - value
attr-list))
-(defun html2text-get-attr (p1 p2)
- (save-restriction
- (narrow-to-region p1 p2)
- (let (result)
- (goto-char (point-min))
- (while (not (eobp))
- (when (re-search-forward "[^= ]+" nil t)
- (push
- (list
- (match-string 0)
- (when (looking-at " *= *")
- (goto-char (match-end 0))
- (buffer-substring
- (point)
- (goto-char (or (ignore-errors (scan-sexps (point) 1))
- (point-max))))))
- result)))
- result)))
;;
;; </Functions related to attributes>
;;
;; If someone can explain how to make the URL clickable I will surely
;; improve upon this.
;; Maybe `goto-addr.el' can be used here.
- (let* ((attr-list (html2text-get-attr p1 p2 "a"))
+ (let* ((attr-list (html2text-get-attr p1 p2))
(href (html2text-attr-value attr-list "href")))
(delete-region p1 p4)
(when href
(goto-char p1)
- (insert (substring href 1 -1 ))
+ (insert (if (string-match "\\`['\"].*['\"]\\'" href)
+ (substring href 1 -1) href))
(put-text-property p1 (point) 'face 'bold))))
;;
(setq refill-start (point))
(goto-char p2)
(re-search-backward ".+[^<][^b][^r][^>]$" refill-start t)
- (next-line 1)
+ (forward-line 1)
(end-of-line)
;; refill-stop should ideally be adjusted to
- ;; accomodate the "<br>" strings which are removed
+ ;; accommodate the "<br>" strings which are removed
;; between refill-start and refill-stop. Can simply
;; be returned from my-replace-string
(setq refill-stop (+ (point)
fashion, quite close to pure guess-work. It does work in some cases though."
(interactive)
(goto-char (point-min))
- (replace-regexp "^<br>$" "")
+ (while (re-search-forward "^<br>$" nil t)
+ (delete-region (match-beginning 0) (match-end 0)))
;; Removing lonely <br> on a single line, if they are left intact we
- ;; dont have any paragraphs at all.
+ ;; don't have any paragraphs at all.
(goto-char (point-min))
(while (not (eobp))
(let ((p1 (point)))
(point-max) t)
(let ((p1)
(p2 (point))
- (p3) (p4)
- (attr (match-string 0)))
+ (p3) (p4))
(search-backward "<" (point-min) t)
(setq p1 (point))
- (search-forward (format "</%s>" tag) (point-max) t)
+ (unless (search-forward (format "</%s>" tag) (point-max) t)
+ (goto-char p2)
+ (insert (format "</%s>" tag)))
(setq p4 (point))
(search-backward "</" (point-min) t)
(setq p3 (point))
;; </Interactive functions>
;;
(provide 'html2text)
-;;; arch-tag: e9e57b79-35d4-4de1-a647-e7e01fe56d1e
+
;;; html2text.el ends here