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;;; ept-outline.el -- outline processor for Elpoint.
;; Copyright (C) 2002 Yuuichi Teranishi <teranisi@gohome.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Keywords: Presentation
;; This program 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.
;;
;; This program 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;; Commentary:
;;
;;; History:
;;
;;; Code:
(require 'ept)
(require 'outline)
(defcustom ept-outline-process-item-alist
'(((string-match "^ *<\\([^>]+\\)> *$" string)
.
(list 'ept-align-center
(list 'ept-inline
(substring string (match-beginning 1)
(match-end 1)))
(list 'ept-text "\n")))
((string-match "^ *(" string)
.
(read string)))
"An alist of process outline item string.
Each cons cell is a form like:
\(CONDITION . ACTION)
A symbol `string' is bound while evaluation."
:group 'ept
:type '(repeat (cons (sexp :tag "Condition")
(sexp :tag "Action"))))
(defun ept-outline-heading-string (string)
(save-match-data
(if (string-match (concat outline-regexp "[ \t]*") string)
(substring string (match-end 0))
string)))
(defun ept-outline-text-string (string)
(if (string-match "^\n*" string)
(substring string (match-end 0))
string))
(defun ept-outline-process-item (string level)
(or (catch 'done
(dolist (pair ept-outline-process-item-alist)
(when (eval (car pair))
(throw 'done (eval (cdr pair))))))
(let ((item string))
(setq item (list 'ept-item item))
(dotimes (i (1- level))
(setq item (list 'ept-itemize item)))
item)))
(defun ept-outline-number ()
0)
(defun ept-outline-play-buffer (start-page &optional dump)
(let (text level start pend end presentation page item inline)
(goto-char (point-min))
;; Cover page.
(outline-next-heading)
(setq presentation
`((ept-page
(ept-align-center
(ept-text "\n\n\n\n\n" ; FIXME
'(,(buffer-substring (point-min) (point)) .
ept-title-face)
"\n\n\n" ; FIXME
,user-full-name
" "
,user-mail-address)))))
(while (not (eobp))
(setq start (point))
(setq level (funcall outline-level))
(save-excursion (outline-end-of-heading)
(setq end (point)))
(setq text
(ept-outline-heading-string
(buffer-substring start end)))
(save-excursion
(outline-forward-same-level 1)
(setq pend (point)))
(if (string= text "")
(goto-char pend)
(setq page (list (list 'ept-title text)))
(setq page
(nconc page
(list
(list 'ept-text
(ept-outline-text-string
(buffer-substring end
(save-excursion
(outline-next-heading)
(point))))))))
(outline-next-heading)
(while (/= (point) pend)
(save-excursion
(outline-next-heading)
(setq end (point)))
(setq start (point))
(setq level (funcall outline-level))
(outline-end-of-heading)
(setq item (ept-outline-heading-string
(buffer-substring start (point))))
(setq item (ept-outline-process-item item level))
(setq page (nconc page (list item)))
(setq page
(nconc page
(list
(list 'ept-text
(ept-outline-text-string
(buffer-substring (point)
(save-excursion
(outline-next-heading)
(point))))))))
(goto-char end))
(setq presentation (cons
(nconc (list 'ept-page) page) presentation))))
(ept-play (nreverse presentation) start-page dump)))
(provide 'ept-outline)
;;; ept-outline.el ends here
|
