516 lines
17 KiB
EmacsLisp
516 lines
17 KiB
EmacsLisp
;;; org-ascii.el --- ASCII export for Org-mode
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;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
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;; Free Software Foundation, Inc.
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;; Author: Carsten Dominik <carsten at orgmode dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: http://orgmode.org
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;; Version: 6.26trans
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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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;; 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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;; 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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(require 'org-exp)
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(defgroup org-export-ascii nil
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"Options specific for ASCII export of Org-mode files."
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:tag "Org Export ASCII"
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:group 'org-export)
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(defcustom org-export-ascii-underline '(?\$ ?\# ?^ ?\~ ?\= ?\-)
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"Characters for underlining headings in ASCII export.
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In the given sequence, these characters will be used for level 1, 2, ..."
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:group 'org-export-ascii
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:type '(repeat character))
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(defcustom org-export-ascii-bullets '(?* ?+ ?-)
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"Bullet characters for headlines converted to lists in ASCII export.
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The first character is used for the first lest level generated in this
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way, and so on. If there are more levels than characters given here,
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the list will be repeated.
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Note that plain lists will keep the same bullets as the have in the
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Org-mode file."
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:group 'org-export-ascii
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:type '(repeat character))
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(defcustom org-export-ascii-links-to-notes t
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"Non-nil means, convert links to notes before the next headline.
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When nil, the link will be exported in place. If the line becomes long
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in this way, it will be wrapped."
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:group 'org-export-ascii
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:type 'boolean)
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;;; ASCII export
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(defvar org-ascii-current-indentation nil) ; For communication
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;;;###autoload
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(defun org-export-as-ascii (arg)
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"Export the outline as a pretty ASCII file.
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If there is an active region, export only the region.
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The prefix ARG specifies how many levels of the outline should become
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underlined headlines. The default is 3."
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(interactive "P")
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(setq-default org-todo-line-regexp org-todo-line-regexp)
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(let* ((opt-plist (org-combine-plists (org-default-export-plist)
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(org-infile-export-plist)))
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(region-p (org-region-active-p))
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(rbeg (and region-p (region-beginning)))
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(rend (and region-p (region-end)))
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(subtree-p
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(when region-p
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(save-excursion
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(goto-char rbeg)
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(and (org-at-heading-p)
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(>= (org-end-of-subtree t t) rend)))))
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(level-offset (if subtree-p
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(save-excursion
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(goto-char rbeg)
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(+ (funcall outline-level)
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(if org-odd-levels-only 1 0)))
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0))
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(opt-plist (setq org-export-opt-plist
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(if subtree-p
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(org-export-add-subtree-options opt-plist rbeg)
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opt-plist)))
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(custom-times org-display-custom-times)
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(org-ascii-current-indentation '(0 . 0))
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(level 0) line txt
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(umax nil)
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(umax-toc nil)
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(case-fold-search nil)
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(bfname (buffer-file-name (or (buffer-base-buffer) (current-buffer))))
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(filename (concat (file-name-as-directory
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(org-export-directory :ascii opt-plist))
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(file-name-sans-extension
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(or (and subtree-p
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(org-entry-get (region-beginning)
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"EXPORT_FILE_NAME" t))
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(file-name-nondirectory bfname)))
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".txt"))
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(filename (if (equal (file-truename filename)
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(file-truename bfname))
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(concat filename ".txt")
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filename))
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(buffer (find-file-noselect filename))
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(org-levels-open (make-vector org-level-max nil))
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(odd org-odd-levels-only)
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(date (plist-get opt-plist :date))
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(author (plist-get opt-plist :author))
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(title (or (and subtree-p (org-export-get-title-from-subtree))
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(plist-get opt-plist :title)
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(and (not
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(plist-get opt-plist :skip-before-1st-heading))
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(org-export-grab-title-from-buffer))
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(file-name-sans-extension
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(file-name-nondirectory bfname))))
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(email (plist-get opt-plist :email))
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(language (plist-get opt-plist :language))
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(quote-re0 (concat "^[ \t]*" org-quote-string "\\>"))
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; (quote-re (concat "^\\(\\*+\\)\\([ \t]*" org-quote-string "\\>\\)"))
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(todo nil)
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(lang-words nil)
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(region
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(buffer-substring
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(if (org-region-active-p) (region-beginning) (point-min))
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(if (org-region-active-p) (region-end) (point-max))))
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(lines (org-split-string
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(org-export-preprocess-string
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region
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:for-ascii t
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:skip-before-1st-heading
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(plist-get opt-plist :skip-before-1st-heading)
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:drawers (plist-get opt-plist :drawers)
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:tags (plist-get opt-plist :tags)
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:priority (plist-get opt-plist :priority)
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:footnotes (plist-get opt-plist :footnotes)
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:timestamps (plist-get opt-plist :timestamps)
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:todo-keywords (plist-get opt-plist :todo-keywords)
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:verbatim-multiline t
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:select-tags (plist-get opt-plist :select-tags)
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:exclude-tags (plist-get opt-plist :exclude-tags)
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:archived-trees
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(plist-get opt-plist :archived-trees)
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:add-text (plist-get opt-plist :text))
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"\n"))
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thetoc have-headings first-heading-pos
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table-open table-buffer link-buffer link desc desc0 rpl wrap)
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(let ((inhibit-read-only t))
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(org-unmodified
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(remove-text-properties (point-min) (point-max)
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'(:org-license-to-kill t))))
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(setq org-min-level (org-get-min-level lines level-offset))
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(setq org-last-level org-min-level)
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(org-init-section-numbers)
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(find-file-noselect filename)
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(setq lang-words (or (assoc language org-export-language-setup)
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(assoc "en" org-export-language-setup)))
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(switch-to-buffer-other-window buffer)
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(erase-buffer)
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(fundamental-mode)
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;; create local variables for all options, to make sure all called
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;; functions get the correct information
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(mapc (lambda (x)
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(set (make-local-variable (nth 2 x))
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(plist-get opt-plist (car x))))
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org-export-plist-vars)
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(org-set-local 'org-odd-levels-only odd)
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(setq umax (if arg (prefix-numeric-value arg)
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org-export-headline-levels))
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(setq umax-toc (if (integerp org-export-with-toc)
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(min org-export-with-toc umax)
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umax))
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;; File header
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(if title (org-insert-centered title ?=))
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(insert "\n")
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(if (and (or author email)
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org-export-author-info)
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(insert (concat (nth 1 lang-words) ": " (or author "")
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(if email (concat " <" email ">") "")
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"\n")))
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(cond
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((and date (string-match "%" date))
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(setq date (format-time-string date)))
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(date)
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(t (setq date (format-time-string "%Y-%m-%d %T %Z"))))
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(if (and date org-export-time-stamp-file)
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(insert (concat (nth 2 lang-words) ": " date"\n")))
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(insert "\n\n")
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(if org-export-with-toc
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(progn
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(push (concat (nth 3 lang-words) "\n") thetoc)
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(push (concat (make-string (string-width (nth 3 lang-words)) ?=)
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"\n") thetoc)
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(mapc '(lambda (line)
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(if (string-match org-todo-line-regexp
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line)
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;; This is a headline
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(progn
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(setq have-headings t)
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(setq level (- (match-end 1) (match-beginning 1)
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level-offset)
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level (org-tr-level level)
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txt (match-string 3 line)
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todo
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(or (and org-export-mark-todo-in-toc
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(match-beginning 2)
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(not (member (match-string 2 line)
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org-done-keywords)))
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; TODO, not DONE
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(and org-export-mark-todo-in-toc
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(= level umax-toc)
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(org-search-todo-below
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line lines level))))
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(setq txt (org-html-expand-for-ascii txt))
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(while (string-match org-bracket-link-regexp txt)
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(setq txt
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(replace-match
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(match-string (if (match-end 2) 3 1) txt)
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t t txt)))
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(if (and (memq org-export-with-tags '(not-in-toc nil))
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(string-match
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(org-re "[ \t]+:[[:alnum:]_@:]+:[ \t]*$")
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txt))
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(setq txt (replace-match "" t t txt)))
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(if (string-match quote-re0 txt)
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(setq txt (replace-match "" t t txt)))
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(if org-export-with-section-numbers
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(setq txt (concat (org-section-number level)
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" " txt)))
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(if (<= level umax-toc)
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(progn
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(push
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(concat
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(make-string
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(* (max 0 (- level org-min-level)) 4) ?\ )
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(format (if todo "%s (*)\n" "%s\n") txt))
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thetoc)
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(setq org-last-level level))
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))))
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lines)
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(setq thetoc (if have-headings (nreverse thetoc) nil))))
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(org-init-section-numbers)
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(while (setq line (pop lines))
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(when (and link-buffer (string-match "^\\*+ " line))
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(org-export-ascii-push-links (nreverse link-buffer))
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(setq link-buffer nil))
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(setq wrap nil)
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;; Remove the quoted HTML tags.
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(setq line (org-html-expand-for-ascii line))
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;; Replace links with the description when possible
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(while (string-match org-bracket-link-regexp line)
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(setq link (match-string 1 line)
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desc0 (match-string 3 line)
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desc (or desc0 (match-string 1 line)))
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(if (and (> (length link) 8)
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(equal (substring link 0 8) "coderef:"))
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(setq line (replace-match
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(format (org-export-get-coderef-format (substring link 8) desc)
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(cdr (assoc
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(substring link 8)
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org-export-code-refs)))
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t t line))
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(setq rpl (concat "["
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(or (match-string 3 line) (match-string 1 line))
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"]"))
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(when (and desc0 (not (equal desc0 link)))
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(if org-export-ascii-links-to-notes
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(push (cons desc0 link) link-buffer)
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(setq rpl (concat rpl " (" link ")")
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wrap (+ (length line) (- (length (match-string 0)))
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(length desc)))))
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(setq line (replace-match rpl t t line))))
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(when custom-times
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(setq line (org-translate-time line)))
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(cond
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((string-match "^\\(\\*+\\)[ \t]+\\(.*\\)" line)
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;; a Headline
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(setq first-heading-pos (or first-heading-pos (point)))
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(setq level (org-tr-level (- (match-end 1) (match-beginning 1)
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level-offset))
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txt (match-string 2 line))
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(org-ascii-level-start level txt umax lines))
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((and org-export-with-tables
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(string-match "^\\([ \t]*\\)\\(|\\|\\+-+\\+\\)" line))
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(if (not table-open)
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;; New table starts
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(setq table-open t table-buffer nil))
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;; Accumulate lines
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(setq table-buffer (cons line table-buffer))
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(when (or (not lines)
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(not (string-match "^\\([ \t]*\\)\\(|\\|\\+-+\\+\\)"
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(car lines))))
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(setq table-open nil
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table-buffer (nreverse table-buffer))
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(insert (mapconcat
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(lambda (x)
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(org-fix-indentation x org-ascii-current-indentation))
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(org-format-table-ascii table-buffer)
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"\n") "\n")))
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(t
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(if (string-match "^\\([ \t]*\\)\\([-+*][ \t]+\\)\\(.*?\\)\\( ::\\)" line)
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(setq line (replace-match "\\1\\3:" t nil line)))
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(setq line (org-fix-indentation line org-ascii-current-indentation))
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;; Remove forced line breaks
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(if (string-match "\\\\\\\\[ \t]*$" line)
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(setq line (replace-match "" t t line)))
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(if (and org-export-with-fixed-width
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(string-match "^\\([ \t]*\\)\\(:\\( \\|$\\)\\)" line))
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(setq line (replace-match "\\1" nil nil line))
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(if wrap (setq line (org-export-ascii-wrap line wrap))))
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(insert line "\n"))))
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(org-export-ascii-push-links (nreverse link-buffer))
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(normal-mode)
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;; insert the table of contents
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(when thetoc
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(goto-char (point-min))
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(if (re-search-forward "^[ \t]*\\[TABLE-OF-CONTENTS\\][ \t]*$" nil t)
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(progn
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(goto-char (match-beginning 0))
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(replace-match ""))
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(goto-char first-heading-pos))
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(mapc 'insert thetoc)
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(or (looking-at "[ \t]*\n[ \t]*\n")
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(insert "\n\n")))
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;; Convert whitespace place holders
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(goto-char (point-min))
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(let (beg end)
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(while (setq beg (next-single-property-change (point) 'org-whitespace))
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(setq end (next-single-property-change beg 'org-whitespace))
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(goto-char beg)
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(delete-region beg end)
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(insert (make-string (- end beg) ?\ ))))
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(save-buffer)
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;; remove display and invisible chars
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(let (beg end)
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(goto-char (point-min))
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(while (setq beg (next-single-property-change (point) 'display))
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(setq end (next-single-property-change beg 'display))
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(delete-region beg end)
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(goto-char beg)
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(insert "=>"))
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(goto-char (point-min))
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(while (setq beg (next-single-property-change (point) 'org-cwidth))
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(setq end (next-single-property-change beg 'org-cwidth))
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(delete-region beg end)
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(goto-char beg)))
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(goto-char (point-min))))
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(defun org-export-ascii-preprocess (parameters)
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"Do extra work for ASCII export"
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;; Put quotes around verbatim text
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(goto-char (point-min))
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(while (re-search-forward org-verbatim-re nil t)
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(goto-char (match-end 2))
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(backward-delete-char 1) (insert "'")
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(goto-char (match-beginning 2))
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(delete-char 1) (insert "`")
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(goto-char (match-end 2)))
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;; Remove target markers
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(goto-char (point-min))
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(while (re-search-forward "<<<?\\([^<>]*\\)>>>?\\([ \t]*\\)" nil t)
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(replace-match "\\1\\2")))
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(defun org-html-expand-for-ascii (line)
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"Handle quoted HTML for ASCII export."
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(if org-export-html-expand
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(while (string-match "@<[^<>\n]*>" line)
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;; We just remove the tags for now.
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(setq line (replace-match "" nil nil line))))
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line)
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(defun org-export-ascii-wrap (line where)
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"Wrap LINE at or before WHERE."
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(let ((ind (org-get-indentation line))
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pos)
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(catch 'found
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(loop for i from where downto (/ where 2) do
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(and (equal (aref line i) ?\ )
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(setq pos i)
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(throw 'found t))))
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(if pos
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(concat (substring line 0 pos) "\n"
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(make-string ind ?\ )
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(substring line (1+ pos)))
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line)))
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(defun org-export-ascii-push-links (link-buffer)
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"Push out links in the buffer."
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(when link-buffer
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;; We still have links to push out.
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(insert "\n")
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(let ((ind ""))
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(save-match-data
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(if (save-excursion
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(re-search-backward
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"^\\(\\([ \t]*\\)\\|\\(\\*+ \\)\\)[^ \t\n]" nil t))
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(setq ind (or (match-string 2)
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(make-string (length (match-string 3)) ?\ )))))
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(mapc (lambda (x) (insert ind "[" (car x) "]: " (cdr x) "\n"))
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link-buffer))
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(insert "\n")))
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(defun org-ascii-level-start (level title umax &optional lines)
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"Insert a new level in ASCII export."
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(let (char (n (- level umax 1)) (ind 0))
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(if (> level umax)
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(progn
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(insert (make-string (* 2 n) ?\ )
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(char-to-string (nth (% n (length org-export-ascii-bullets))
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org-export-ascii-bullets))
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" " title "\n")
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;; find the indentation of the next non-empty line
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(catch 'stop
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(while lines
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(if (string-match "^\\* " (car lines)) (throw 'stop nil))
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(if (string-match "^\\([ \t]*\\)\\S-" (car lines))
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(throw 'stop (setq ind (org-get-indentation (car lines)))))
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(pop lines)))
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(setq org-ascii-current-indentation (cons (* 2 (1+ n)) ind)))
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(if (or (not (equal (char-before) ?\n))
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(not (equal (char-before (1- (point))) ?\n)))
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(insert "\n"))
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(setq char (nth (- umax level) (reverse org-export-ascii-underline)))
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(unless org-export-with-tags
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(if (string-match (org-re "[ \t]+\\(:[[:alnum:]_@:]+:\\)[ \t]*$") title)
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(setq title (replace-match "" t t title))))
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(if org-export-with-section-numbers
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(setq title (concat (org-section-number level) " " title)))
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(insert title "\n" (make-string (string-width title) char) "\n")
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(setq org-ascii-current-indentation '(0 . 0)))))
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(defun org-insert-centered (s &optional underline)
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|
"Insert the string S centered and underline it with character UNDERLINE."
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|
(let ((ind (max (/ (- fill-column (string-width s)) 2) 0)))
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|
(insert (make-string ind ?\ ) s "\n")
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|
(if underline
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|
(insert (make-string ind ?\ )
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|
(make-string (string-width s) underline)
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|
"\n"))))
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|
|
|
(defvar org-table-colgroup-info nil)
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|
(defun org-format-table-ascii (lines)
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|
"Format a table for ascii export."
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|
(if (stringp lines)
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|
(setq lines (org-split-string lines "\n")))
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|
(if (not (string-match "^[ \t]*|" (car lines)))
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|
;; Table made by table.el - test for spanning
|
|
lines
|
|
|
|
;; A normal org table
|
|
;; Get rid of hlines at beginning and end
|
|
(if (string-match "^[ \t]*|-" (car lines)) (setq lines (cdr lines)))
|
|
(setq lines (nreverse lines))
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|
(if (string-match "^[ \t]*|-" (car lines)) (setq lines (cdr lines)))
|
|
(setq lines (nreverse lines))
|
|
(when org-export-table-remove-special-lines
|
|
;; Check if the table has a marking column. If yes remove the
|
|
;; column and the special lines
|
|
(setq lines (org-table-clean-before-export lines)))
|
|
;; Get rid of the vertical lines except for grouping
|
|
(let ((vl (org-colgroup-info-to-vline-list org-table-colgroup-info))
|
|
rtn line vl1 start)
|
|
(while (setq line (pop lines))
|
|
(if (string-match org-table-hline-regexp line)
|
|
(and (string-match "|\\(.*\\)|" line)
|
|
(setq line (replace-match " \\1" t nil line)))
|
|
(setq start 0 vl1 vl)
|
|
(while (string-match "|" line start)
|
|
(setq start (match-end 0))
|
|
(or (pop vl1) (setq line (replace-match " " t t line)))))
|
|
(push line rtn))
|
|
(nreverse rtn))))
|
|
|
|
(defun org-colgroup-info-to-vline-list (info)
|
|
(let (vl new last)
|
|
(while info
|
|
(setq last new new (pop info))
|
|
(if (or (memq last '(:end :startend))
|
|
(memq new '(:start :startend)))
|
|
(push t vl)
|
|
(push nil vl)))
|
|
(setq vl (nreverse vl))
|
|
(and vl (setcar vl nil))
|
|
vl))
|
|
|
|
(provide 'org-ascii)
|
|
|
|
;; arch-tag: aa96f882-f477-4e13-86f5-70d43e7adf3c
|
|
|
|
;;; org-ascii.el ends here
|