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;;; rhtml-ruby-hook.el - `ruby-mode' access for `rhtml-mode'
;; ***** BEGIN LICENSE BLOCK *****
;; Version: MPL 1.1/GPL 2.0/LGPL 2.1
;; The contents of this file are subject to the Mozilla Public License Version
;; 1.1 (the "License"); you may not use this file except in compliance with
;; the License. You may obtain a copy of the License at
;; Software distributed under the License is distributed on an "AS IS" basis,
;; WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
;; for the specific language governing rights and limitations under the
;; License.
;; The Original Code is RUBY-MODE Hook Support for RHTML-MODE.
;; The Initial Developer of the Original Code is
;; Paul Nathan Stickney <>.
;; Portions created by the Initial Developer are Copyright (C) 2006
;; the Initial Developer. All Rights Reserved.
;; Contributor(s):
;; Alternatively, the contents of this file may be used under the terms of
;; either the GNU General Public License Version 2 or later (the "GPL"), or
;; the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
;; in which case the provisions of the GPL or the LGPL are applicable instead
;; of those above. If you wish to allow use of your version of this file only
;; under the terms of either the GPL or the LGPL, and not to allow others to
;; use your version of this file under the terms of the MPL, indicate your
;; decision by deleting the provisions above and replace them with the notice
;; and other provisions required by the GPL or the LGPL. If you do not delete
;; the provisions above, a recipient may use your version of this file under
;; the terms of any one of the MPL, the GPL or the LGPL.
;; ***** END LICENSE BLOCK *****
;;; Provide an API to 'hook' into Ruby-mode, or rather, provide access
;;; to a temporary `ruby-mode' buffer which can be used to apply
;;; various ruby-mode stuff, primarily indenting.
;;; History:
;; 2006SEP18
;; - initial implementation
(require 'rhtml-erb)
(require 'ruby-mode) ; for well, `ruby-mode'
(defvar rhtml-ruby-temp-buffer-name
"*rhtml-ruby-hook temp buffer*"
"Buffer name to use for temporary Ruby buffer. Should begin with a * or
space as those carry special meaning.")
(defun rhtml-ruby-temp-buffer ()
"Returns the temporary ruby buffer creating it if needed."
(or (get-buffer rhtml-ruby-temp-buffer-name)
(let ((ruby-buffer (get-buffer-create rhtml-ruby-temp-buffer-name)))
(with-current-buffer ruby-buffer
(defun rhtml-copy-to-ruby-temp (begin end)
"Buffer to copy from should be selected. BEGIN and END are points in the
current buffer. All existing text in the temporary buffer is replaced."
(let ((source-buffer (current-buffer))
(temp-buffer (rhtml-ruby-temp-buffer)))
(with-current-buffer temp-buffer
(delete-region (point-min) (point-max))
(insert-buffer-substring source-buffer begin end))))
(defun rhtml-ruby-indent-at (indent-pos)
"Returns the indentation for INDENT-POS inside the temporary Ruby buffer
after updating the indenting."
(with-current-buffer (rhtml-ruby-temp-buffer)
(indent-region 0 indent-pos) ; force update
(goto-char indent-pos)
(defun rthml-insert-from-ruby-temp ()
"Insert the contents of `rhtml-ruby-temp-buffer' into the current
(insert-from-buffer (rhtml-ruby-temp-buffer)))
(provide 'rhtml-ruby-hook)