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| | ;;; use-package-delight.el --- Support for the :delight keyword -*- lexical-binding: t; -*-
;; Copyright (C) 2012-2024 Free Software Foundation, Inc.
;; Author: John Wiegley <johnw@newartisans.com>
;; Maintainer: John Wiegley <johnw@newartisans.com>
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Provides support for the :delight keyword, which is made available
;; by default by requiring `use-package'. Using it requires the
;; `delight' package to be installed (available on GNU ELPA).
;;
;; See the `use-package' info manual for more information.
;;; Code:
(require 'use-package-core)
(defun use-package-normalize-delight (name args)
"Normalize ARGS for a single call to `delight'."
(when (eq :eval (car args))
;; Handle likely common mistake.
(use-package-error ":delight mode line constructs must be quoted"))
(cond ((and (= (length args) 1)
(use-package-non-nil-symbolp (car args)))
`(,(nth 0 args) nil ,name))
((= (length args) 2)
`(,(nth 0 args) ,(nth 1 args) ,name))
((= (length args) 3)
args)
(t
(use-package-error
":delight expects `delight' arguments or a list of them"))))
;;;###autoload
(defun use-package-normalize/:delight (name _keyword args)
"Normalize arguments to delight."
(cond ((null args)
`((,(use-package-as-mode name) nil ,name)))
((and (= (length args) 1)
(use-package-non-nil-symbolp (car args)))
`((,(car args) nil ,name)))
((and (= (length args) 1)
(stringp (car args)))
`((,(use-package-as-mode name) ,(car args) ,name)))
((and (= (length args) 1)
(listp (car args))
(eq 'quote (caar args)))
`((,(use-package-as-mode name) ,@(cdar args) ,name)))
((and (= (length args) 2)
(listp (nth 1 args))
(eq 'quote (car (nth 1 args))))
`((,(car args) ,@(cdr (nth 1 args)) ,name)))
(t (mapcar
(apply-partially #'use-package-normalize-delight name)
(if (use-package-non-nil-symbolp (car args))
(list args)
args)))))
;;;###autoload
(defun use-package-handler/:delight (name _keyword args rest state)
(let ((body (use-package-process-keywords name rest state)))
(use-package-concat
body
`((if (fboundp 'delight)
(delight '(,@args)))))))
(add-to-list 'use-package-keywords :delight t)
(provide 'use-package-delight)
;;; use-package-delight.el ends here
|