54 lines
2 KiB
EmacsLisp
54 lines
2 KiB
EmacsLisp
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;;; circe-compat.el --- Compatibility definitions
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;; Copyright (C) 2015 Jorgen Schaefer <contact@jorgenschaefer.de>
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;; Author: Jorgen Schaefer <contact@jorgenschaefer.de>
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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 3
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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, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Define functions and variables as needed by Circe to remain
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;; compatible with older Emacsen.
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;;; Code:
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(when (not (fboundp 'string-trim))
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(defun string-trim (string)
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"Remove leading and trailing whitespace from STRING."
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(if (string-match "\\` *\\(.*[^[:space:]]\\) *\\'" string)
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(match-string 1 string)
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string)))
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(when (not (fboundp 'add-face-text-property))
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(defun add-face-text-property (start end face &optional append object)
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(while (/= start end)
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(let* ((next (next-single-property-change start 'face object end))
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(prev (get-text-property start 'face object))
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(value (if (listp prev) prev (list prev))))
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(put-text-property start next 'face
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(if append
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(append value (list face))
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(append (list face) value))
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object)
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(setq start next)))))
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(when (not (boundp 'mode-line-misc-info))
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(defvar mode-line-misc-info nil
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"Misc info in the mode line.")
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(add-to-list 'mode-line-format 'mode-line-misc-info t))
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(provide 'circe-compat)
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;;; circe-compat.el ends here
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