emacs-ipython-notebook/lisp/ein-org-src.el
2012-09-04 02:08:21 +02:00

62 lines
2 KiB
EmacsLisp

;;; ein-org-src.el --- Notebook mode using org-src.el
;; Copyright (C) 2012 Takafumi Arakaki
;; Author: Takafumi Arakaki <aka.tkf at gmail.com>
;; This file is NOT part of GNU Emacs.
;; ein-org-src.el 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 3 of the License, or
;; (at your option) any later version.
;; ein-org-src.el 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 ein-org-src.el.
;; If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'org-src)
(require 'ein-worksheet)
(defun ein:org-src-fontify (limit)
"Fontify next input area comes after the current point then
return `t' or `nil' if not found.
See info node `(elisp) Search-based Fontification'."
(ein:log-ignore-errors
(ein:org-src-fontify-1 limit)))
(defun ein:org-src-fontify-1 (limit)
"Actual implementation of `ein:org-src-fontify'.
This function may raise an error."
(ein:and-let* ((node (ein:worksheet-get-nearest-cell-ewoc-node (point) limit))
(cell (ein:worksheet-next-input-cell node))
(start (ein:cell-input-pos-min cell))
(end (ein:cell-input-pos-max cell))
(lang (ein:cell-language cell)))
(when (< end limit)
(org-src-font-lock-fontify-block lang start end))
t))
(defvar ein:org-src-font-lock-keywords
'(ein:org-src-fontify)
"Default `font-lock-keywords' for `ein:notebook-org-src-mode'.")
(defun ein:org-src-set-font-lock-defaults ()
(set (make-local-variable 'font-lock-defaults)
'(ein:org-src-font-lock-keywords)))
(provide 'ein-org-src)
;;; ein-org-src.el ends here