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+;;; org-w3m.el --- Support from copy and paste from w3m to Org-mode
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+
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+;; Copyright (C) 2008 Free Software Foundation, Inc.
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+
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+;; Author: Andy Stewart <lazycat dot manatee at gmail dot com>
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+;; Keywords: outlines, hypermedia, calendar, wp
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+;; Homepage: http://orgmode.org
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+;; Version: 6.13trans
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+;;
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+;; This file is part of GNU Emacs.
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+;;
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+;; GNU Emacs 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 3 of the License, or
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+;; (at your option) any later version.
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+
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+;; GNU Emacs 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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+
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+;; You should have received a copy of the GNU General Public License
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+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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+;;
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+;;; Commentary:
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+
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+;; This file implements copying HTML content from a w3m buffer and
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+;; transfomring the text on the fly so that it can be pasted into
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+;; an org-mode buffer with hot links.
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+
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+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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+;;
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+;;; Acknowledgments:
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+
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+;; Richard Riley <rileyrgdev at googlemail dot com>
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+;;
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+;; The idea that transfomring the HTML content with org-mode style is
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+;; proposed by Richard, i'm just code it.
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+;;
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+
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+(defun org-w3m-copy-for-org-mode ()
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+ "Copy current buffer content or active region with `org-mode' style links.
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+This will encode `link-title' and `link-location' with
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+`org-make-link-string', and insert the transformed test into the kill ring,
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+so that it can be yanked into an Org-mode buffer with links working correctly."
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+ (interactive)
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+ (let ((regionp (org-region-active-p))
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+ transform-start transform-end
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+ return-content
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+ link-location link-title
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+ temp-position out-bound)
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+ (setq transform-start (if regionp (region-beginning) (point-min))
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+ transform-end (if regionp (region-end) (point-max)))
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+ (message "Transforming links...")
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+ (save-excursion
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+ (goto-char transform-start)
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+ (while (and (not out-bound) ; still inside region to copy
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+ (not (org-w3m-no-next-link-p))) ; no next link current buffer
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+ ;; store current point before jump next anchor
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+ (setq temp-position (point))
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+ ;; move to next anchor when current point is not at anchor
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+ (or (w3m-anchor (point)) (org-w3m-get-next-link-start))
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+ (if (<= (point) transform-end) ; if point is inside transform bound
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+ (progn
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+ ;; get content between two links.
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+ (if (> (point) temp-position)
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+ (setq return-content (concat return-content
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+ (buffer-substring
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+ temp-position (point)))))
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+ ;; get link location at current point.
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+ (setq link-location (w3m-anchor (point)))
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+ ;; get link title at current point.
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+ (setq link-title (buffer-substring (point)
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+ (org-w3m-get-anchor-end)))
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+ ;; concat `org-mode' style url to `return-content'.
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+ (setq return-content (concat return-content
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+ (org-make-link-string
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+ link-location link-title))))
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+ (goto-char temp-position) ; reset point before jump next anchor
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+ (setq out-bound t) ; for break out `while' loop
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+ ))
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+ ;; add the rest until en end of the region to be copied
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+ (if (< (point) transform-end)
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+ (setq return-content
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+ (concat return-content
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+ (buffer-substring (point) transform-end))))
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+ (kill-new return-content)
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+ (message "Transforming links...done, use C-y to insert text into Org-mode file")
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+ (message "Copy with link transformation complete."))))
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+
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+(defun org-w3m-get-anchor-start ()
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+ "Move to and return `point' for the start of the current anchor."
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+ ;; get start position of anchor or current point
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+ (goto-char (or (previous-single-property-change (point) 'w3m-anchor-sequence)
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+ (point))))
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+
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+(defun org-w3m-get-anchor-end ()
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+ "Move and return `point' after the end of current anchor."
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+ ;; get end position of anchor or point
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+ (goto-char (or (next-single-property-change (point) 'w3m-anchor-sequence)
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+ (point))))
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+
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+(defun org-w3m-get-next-link-start ()
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+ "Move and return `point' for that start of the current link."
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+ (catch 'reach
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+ (while (next-single-property-change (point) 'w3m-anchor-sequence)
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+ ;; jump to next anchor
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+ (goto-char (next-single-property-change (point) 'w3m-anchor-sequence))
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+ (when (w3m-anchor (point))
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+ ;; return point when current is valid link
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+ (throw 'reach nil))))
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+ (point))
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+
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+(defun org-w3m-get-prev-link-start ()
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+ "Move and return `point' for that end of the current link."
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+ (catch 'reach
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+ (while (previous-single-property-change (point) 'w3m-anchor-sequence)
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+ ;; jump to previous anchor
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+ (goto-char (previous-single-property-change (point) 'w3m-anchor-sequence))
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+ (when (w3m-anchor (point))
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+ ;; return point when current is valid link
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+ (throw 'reach nil))))
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+ (point))
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+
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+(defun org-w3m-no-next-link-p ()
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+ "Return t if no next link after cursor.
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+Otherwise, return nil."
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+ (save-excursion
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+ (equal (point) (org-w3m-get-next-link-start))))
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+
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+(defun org-w3m-no-prev-link-p ()
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+ "Return t if no prevoius link after cursor.
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+Otherwise, return nil."
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+ (save-excursion
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+ (equal (point) (org-w3m-get-prev-link-start))))
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+
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+;; Install keys into the w3m keymap
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+(when (and (boundp 'w3m-mode-map)
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+ (keymapp w3m-mode-map))
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+ (define-key w3m-mode-map "\C-c\C-x\M-w" 'org-w3m-copy-for-org-mode)
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+ (define-key w3m-mode-map "\C-c\C-x\C-w" 'org-w3m-copy-for-org-mode))
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+(add-hook
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+ 'w3m-mode-hook
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+ (lambda ()
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+ (define-key w3m-mode-map "\C-c\C-x\M-w" 'org-w3m-copy-for-org-mode)
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+ (define-key w3m-mode-map "\C-c\C-x\C-w" 'org-w3m-copy-for-org-mode)))
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+
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+(provide 'org-w3m)
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+
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+;; arch-tag: 851d7447-488d-49f0-a14d-46c092e84352
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+
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+;;; org-w3m.el ends here
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Carsten Dominik