6be16de284
Also putting slightly more explicit copyright attribution in some files (for similar reason). git-svn-id: https://supercollider.svn.sourceforge.net/svnroot/supercollider/trunk@9082 a380766d-ff14-0410-b294-a243070f3f08
86 lines
3 KiB
EmacsLisp
86 lines
3 KiB
EmacsLisp
;; copyright 2003-2005 stefan kersten <steve@k-hornz.de>
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;;
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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 as
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;; published by the Free Software Foundation; either version 2 of the
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;; License, or (at your option) any later version.
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;;
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;; This program is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;;
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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;; USA
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(defun sclang-message (string &rest args)
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(message "SCLang: %s" (apply 'format string args)))
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(defun sclang-make-buffer-name (string &optional private-p)
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(concat (and private-p " ") "*SCLang:" string "*"))
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(defun sclang-make-prompt-string (prompt default)
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(if (and default (string-match "\\(:\\)\\s *" prompt))
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(replace-match
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(format " (default %s):" default)
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'fixedcase 'literal prompt 1)
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prompt))
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(defun sclang-string-to-int32 (str)
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"Convert first 4 bytes of str (network byteorder) to 32 bit integer."
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(logior (lsh (logand (aref str 0) #XFF) 24)
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(lsh (logand (aref str 1) #XFF) 16)
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(lsh (logand (aref str 2) #XFF) 8)
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(logand (aref str 3) #XFF)))
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(defun sclang-int32-to-string (n)
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"Convert 32 bit integer n to 4 byte string (network byte order)."
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(let ((str (make-string 4 0)))
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(aset str 0 (logand (lsh n -24) #XFF))
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(aset str 1 (logand (lsh n -16) #XFF))
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(aset str 2 (logand (lsh n -8) #XFF))
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(aset str 3 (logand n #XFF))
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str))
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(defun sclang-compress-newlines (&optional buffer)
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(with-current-buffer (or buffer (current-buffer))
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(save-excursion
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(goto-char (point-min))
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(while (not (eobp))
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(if (and (bolp) (eolp)
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(save-excursion
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(forward-line -1)
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(and (bolp) (eolp))))
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(delete-char 1)
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(forward-line 1))))))
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(eval-when-compile
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(defmacro sclang-save-buffer-state (varlist &rest body)
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"Bind variables according to VARLIST and eval BODY restoring buffer state."
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`(let* ,(append varlist
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'((modified (buffer-modified-p)) (buffer-undo-list t)
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(inhibit-read-only t) (inhibit-point-motion-hooks t)
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(inhibit-modification-hooks t)
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deactivate-mark buffer-file-name buffer-file-truename))
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(unwind-protect
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,@body
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(when (and (not modified) (buffer-modified-p))
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(set-buffer-modified-p nil))))))
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;; (defun sclang-create-image (file-name &rest props)
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;; (when (file-exists-p file-name)
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;; (let ((coding-system-for-read 'no-conversion)
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;; (coding-system-for-write 'no-conversion)
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;; (inhibit-quit t))
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;; (with-temp-buffer
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;; (when (equal 0 (call-process "anytopnm" file-name (list (current-buffer) nil)))
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;; (apply
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;; 'create-image
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;; (buffer-substring-no-properties (point-min) (point-max))
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;; nil t props))))))
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(provide 'sclang-util)
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;; EOF |