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;; missing functions in Emacs 24.
(eval-after-load "\\(\\`\\|/\\)ruby-mode\\.elc?\\(\\.gz\\)?\\'"
(progn
(define-key ruby-mode-map "\C-c\C-e" 'ruby-insert-end)
(define-key ruby-mode-map "\C-c{" 'ruby-toggle-block)
(defun ruby-insert-end ()
(interactive)
(if (eq (char-syntax (char-before)) ?w)
(insert " "))
(insert "end")
(save-excursion
(if (eq (char-syntax (char-after)) ?w)
(insert " "))
(ruby-indent-line t)
(end-of-line)))
(defun ruby-brace-to-do-end ()
(when (looking-at "{")
(let ((orig (point)) (end (progn (ruby-forward-sexp) (point))))
(when (eq (char-before) ?\})
(delete-char -1)
(if (eq (char-syntax (char-before)) ?w)
(insert " "))
(insert "end")
(if (eq (char-syntax (char-after)) ?w)
(insert " "))
(goto-char orig)
(delete-char 1)
(if (eq (char-syntax (char-before)) ?w)
(insert " "))
(insert "do")
(when (looking-at "\\sw\\||")
(insert " ")
(backward-char))
t))))
(defun ruby-do-end-to-brace ()
(when (and (or (bolp)
(not (memq (char-syntax (char-before)) '(?w ?_))))
(looking-at "\\<do\\(\\s \\|$\\)"))
(let ((orig (point)) (end (progn (ruby-forward-sexp) (point))))
(backward-char 3)
(when (looking-at ruby-block-end-re)
(delete-char 3)
(insert "}")
(goto-char orig)
(delete-char 2)
(insert "{")
(if (looking-at "\\s +|")
(delete-char (- (match-end 0) (match-beginning 0) 1)))
t))))
(defun ruby-toggle-block ()
(interactive)
(or (ruby-brace-to-do-end)
(ruby-do-end-to-brace)))
(defun ruby-mode-set-encoding ()
"Insert a magic comment header with the proper encoding always.
Now encoding needs to be set always explicitly actually."
(save-excursion
(let ((coding-system))
(widen)
(goto-char (point-min))
(if (re-search-forward "[^\0-\177]" nil t)
(progn
(goto-char (point-min))
(set coding-system
(or coding-system-for-write
buffer-file-coding-system))
(if coding-system
(setq coding-system
(or (coding-system-get coding-system 'mime-charset)
(coding-system-change-eol-conversion coding-system nil))))
(setq coding-system
(if coding-system
(symbol-name
(or (and ruby-use-encoding-map
(cdr (assq coding-system ruby-encoding-map)))
coding-system))
"ascii-8bit")))
(setq coding-system "us-ascii"))
(if (looking-at "^#!") (beginning-of-line 2))
(cond ((looking-at "\\s *#.*-\*-\\s *\\(en\\)?coding\\s *:\\s *\\([-a-z0-9_]*\\)\\s *\\(;\\|-\*-\\)")
(unless (string= (match-string 2) coding-system)
(goto-char (match-beginning 2))
(delete-region (point) (match-end 2))
(and (looking-at "-\*-")
(let ((n (skip-chars-backward " ")))
(cond ((= n 0) (insert " ") (backward-char))
((= n -1) (insert " "))
((forward-char)))))
(insert coding-system)))
((looking-at "\\s *#.*coding\\s *[:=]"))
(t (when ruby-insert-encoding-magic-comment
(insert "# -*- coding: " coding-system " -*-\n")))))))
))
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