lisp/org-xoxo.el

   1 ;;; org-xoxo.el --- XOXO export for Org-mode
   2
   3 ;; Copyright (C) 2004-2012 Free Software Foundation, Inc.
   4
   5 ;; Author: Carsten Dominik <carsten at orgmode dot org>
   6 ;; Keywords: outlines, hypermedia, calendar, wp
   7 ;; Homepage: http://orgmode.org
   8 ;;
   9 ;; This file is part of GNU Emacs.
  10 ;;
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
  24 ;;
  25 ;;; Commentary:
  26 ;; XOXO export
  27
  28 ;;; Code:
  29
  30 (require 'org-exp)
  31
  32 (defvar org-export-xoxo-final-hook nil
  33   "Hook run after XOXO export, in the new buffer.")
  34
  35 (defun org-export-as-xoxo-insert-into (buffer &rest output)
  36   (with-current-buffer buffer
  37     (apply 'insert output)))
  38 (put 'org-export-as-xoxo-insert-into 'lisp-indent-function 1)
  39
  40 ;;;###autoload
  41 (defun org-export-as-xoxo (&optional buffer)
  42   "Export the org buffer as XOXO.
  43 The XOXO buffer is named *xoxo-<source buffer name>*"
  44   (interactive (list (current-buffer)))
  45   (run-hooks 'org-export-first-hook)
  46   ;; A quickie abstraction
  47
  48   ;; Output everything as XOXO
  49   (with-current-buffer (get-buffer buffer)
  50     (let* ((pos (point))
  51            (opt-plist (org-combine-plists (org-default-export-plist)
  52                                         (org-infile-export-plist)))
  53            (filename (concat (file-name-as-directory
  54                               (org-export-directory :xoxo opt-plist))
  55                              (file-name-sans-extension
  56                               (file-name-nondirectory buffer-file-name))
  57                              ".html"))
  58            (out (find-file-noselect filename))
  59            (last-level 1)
  60            (hanging-li nil))
  61       (goto-char (point-min))  ;; CD:  beginning-of-buffer is not allowed.
  62       ;; Check the output buffer is empty.
  63       (with-current-buffer out (erase-buffer))
  64       ;; Kick off the output
  65       (org-export-as-xoxo-insert-into out "<ol class='xoxo'>\n")
  66       (while (re-search-forward "^\\(\\*+\\)[ \t]+\\(.+\\)" (point-max) 't)
  67         (let* ((hd (match-string-no-properties 1))
  68                (level (length hd))
  69                (text (concat
  70                       (match-string-no-properties 2)
  71                       (save-excursion
  72                         (goto-char (match-end 0))
  73                         (let ((str ""))
  74                           (catch 'loop
  75                             (while 't
  76                               (forward-line)
  77                               (if (looking-at "^[ \t]\\(.*\\)")
  78                                   (setq str (concat str (match-string-no-properties 1)))
  79                                 (throw 'loop str)))))))))
  80
  81           ;; Handle level rendering
  82           (cond
  83            ((> level last-level)
  84             (org-export-as-xoxo-insert-into out "\n<ol>\n"))
  85
  86            ((< level last-level)
  87             (dotimes (- (- last-level level) 1)
  88               (if hanging-li
  89                   (org-export-as-xoxo-insert-into out "</li>\n"))
  90               (org-export-as-xoxo-insert-into out "</ol>\n"))
  91             (when hanging-li
  92               (org-export-as-xoxo-insert-into out "</li>\n")
  93               (setq hanging-li nil)))
  94
  95            ((equal level last-level)
  96             (if hanging-li
  97                 (org-export-as-xoxo-insert-into out "</li>\n")))
  98            )
  99
 100           (setq last-level level)
 101
 102           ;; And output the new li
 103           (setq hanging-li 't)
 104           (if (equal ?+ (elt text 0))
 105               (org-export-as-xoxo-insert-into out "<li class='" (substring text 1) "'>")
 106             (org-export-as-xoxo-insert-into out "<li>" text))))
 107
 108       ;; Finally finish off the ol
 109       (dotimes (- last-level 1)
 110         (if hanging-li
 111             (org-export-as-xoxo-insert-into out "</li>\n"))
 112         (org-export-as-xoxo-insert-into out "</ol>\n"))
 113
 114       (goto-char pos)
 115       ;; Finish the buffer off and clean it up.
 116       (switch-to-buffer-other-window out)
 117       (indent-region (point-min) (point-max) nil)
 118       (run-hooks 'org-export-xoxo-final-hook)
 119       (save-buffer)
 120       (goto-char (point-min))
 121       )))
 122
 123 (provide 'org-xoxo)
 124
 125 ;;; org-xoxo.el ends here