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;;; circe-compat.el --- Compatibility definitions
;; Copyright (C) 2015 Jorgen Schaefer <contact@jorgenschaefer.de>
;; Author: Jorgen Schaefer <contact@jorgenschaefer.de>
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License
;; as published by the Free Software Foundation; either version 3
;; of the License, or (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; Define functions and variables as needed by Circe to remain
;; compatible with older Emacsen.
;;; Code:
(when (not (fboundp 'string-trim))
(defun string-trim (string)
"Remove leading and trailing whitespace from STRING."
(if (string-match "\\` *\\(.*[^[:space:]]\\) *\\'" string)
(match-string 1 string)
string)))
(when (not (fboundp 'add-face-text-property))
(defun add-face-text-property (start end face &optional append object)
(while (/= start end)
(let* ((next (next-single-property-change start 'face object end))
(prev (get-text-property start 'face object))
(value (if (listp prev) prev (list prev))))
(put-text-property start next 'face
(if append
(append value (list face))
(append (list face) value))
object)
(setq start next)))))
(when (not (boundp 'mode-line-misc-info))
(defvar mode-line-misc-info nil
"Misc info in the mode line.")
(add-to-list 'mode-line-format 'mode-line-misc-info t))
(provide 'circe-compat)
;;; circe-compat.el ends here
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