35 lines
946 B
EmacsLisp
35 lines
946 B
EmacsLisp
(defun æ-enclose-region (character &optional start end)
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"Enclose region in CHARACTER. If region is empty, simply inserts
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CHARACTER two times and moves point between them.
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If character is present in `insert-pair-alist', this function
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will enclose region in the corresponding pair. In this case,
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CHARACTER must be the opening member of the pair."
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(interactive "cWhat character? \nr")
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(setq open character close character)
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(let ((pair (assq character insert-pair-alist)))
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(if pair
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(if (nth 2 pair)
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(setq open (nth 1 pair) close (nth 2 pair))
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(setq open (nth 0 pair) close (nth 1 pair)))))
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(unless (and open close)
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(setq open character)
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(setq close character))
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(unless (use-region-p)
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(setq start (point) end (point)))
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(save-excursion
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(goto-char end)
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(insert-char close)
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(goto-char start)
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(insert-char open))
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(unless (use-region-p)
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(forward-char)))
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