56 lines
2 KiB
EmacsLisp
56 lines
2 KiB
EmacsLisp
;;; untabify-file.el --- automatic untabify files before save
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;; Copyright (C) 2006 Dmitry Galinsky <dima dot exe at gmail dot com>
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;; Authors: Dmitry Galinsky <dima dot exe at gmail dot com>,
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;; Keywords: ruby rails languages oop
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;; $URL: svn+ssh://rubyforge/var/svn/emacs-rails/trunk/rails.el $
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;; $Id: rails.el 149 2007-03-29 15:07:49Z dimaexe $
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;;; License
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License
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;; as published by the Free Software Foundation; either version 2
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;; of the License, or (at your option) any later version.
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;; This program 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 this program; if not, write to the Free Software
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;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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;;; Code:
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(require 'cl)
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(require 'custom)
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(defcustom untabify-exclude-list
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'(makefile-mode
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makefile-bsdmake-mode
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change-log-mode
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"Makefile$")
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"List of regexp or modes to which is not applied untabify."
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:group 'untabify)
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(defun untabify-before-write ()
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"Strip all trailing whitespaces and untabify buffer before
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save."
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(when (and (eq this-command 'save-buffer)
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(not (find nil
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untabify-exclude-list
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:if #'(lambda (r)
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(typecase r
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(string (string-match r (buffer-name)))
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(symbol (eq major-mode r)))))))
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(save-excursion
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(untabify (point-min) (point-max))
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(delete-trailing-whitespace))))
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;(add-hook 'write-file-hooks 'untabify-before-write)
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(provide 'untabify-file)
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