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91 lines
3.2 KiB
91 lines
3.2 KiB
;;; use-package-delight.el --- Support for the :delight keyword -*- lexical-binding: t; -*- |
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;; Copyright (C) 2012-2017 John Wiegley |
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;; Author: John Wiegley <johnw@newartisans.com> |
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;; Maintainer: John Wiegley <johnw@newartisans.com> |
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;; Created: 17 Jun 2012 |
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;; Modified: 3 Dec 2017 |
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;; Version: 1.0 |
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;; Package-Requires: ((emacs "24.3") (use-package "2.4")) |
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;; Keywords: dotemacs startup speed config package |
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;; URL: https://github.com/jwiegley/use-package |
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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 3, or (at |
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;; your option) any later version. |
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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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;; You should have received a copy of the GNU General Public License |
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;; along with GNU Emacs; see the file COPYING. If not, write to the |
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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;; Boston, MA 02111-1307, USA. |
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;;; Commentary: |
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;; Provides support for the :delight keyword, which is made available by |
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;; default by requiring `use-package'. |
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;;; Code: |
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(require 'use-package-core) |
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(defun use-package-normalize-delight (name args) |
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"Normalize ARGS for a single call to `delight'." |
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(when (eq :eval (car args)) |
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;; Handle likely common mistake. |
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(use-package-error ":delight mode line constructs must be quoted")) |
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(cond ((and (= (length args) 1) |
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(use-package-non-nil-symbolp (car args))) |
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`(,(nth 0 args) nil ,name)) |
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((= (length args) 2) |
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`(,(nth 0 args) ,(nth 1 args) ,name)) |
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((= (length args) 3) |
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args) |
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(t |
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(use-package-error |
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":delight expects `delight' arguments or a list of them")))) |
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;;;###autoload |
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(defun use-package-normalize/:delight (name _keyword args) |
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"Normalize arguments to delight." |
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(cond ((null args) |
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`((,(use-package-as-mode name) nil ,name))) |
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((and (= (length args) 1) |
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(use-package-non-nil-symbolp (car args))) |
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`((,(car args) nil ,name))) |
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((and (= (length args) 1) |
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(stringp (car args))) |
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`((,(use-package-as-mode name) ,(car args) ,name))) |
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((and (= (length args) 1) |
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(listp (car args)) |
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(eq 'quote (caar args))) |
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`((,(use-package-as-mode name) ,@(cdar args) ,name))) |
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((and (= (length args) 2) |
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(listp (nth 1 args)) |
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(eq 'quote (car (nth 1 args)))) |
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`((,(car args) ,@(cdr (nth 1 args)) ,name))) |
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(t (mapcar |
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(apply-partially #'use-package-normalize-delight name) |
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(if (use-package-non-nil-symbolp (car args)) |
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(list args) |
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args))))) |
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;;;###autoload |
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(defun use-package-handler/:delight (name _keyword args rest state) |
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(let ((body (use-package-process-keywords name rest state))) |
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(use-package-concat |
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body |
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`((if (fboundp 'delight) |
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(delight '(,@args))))))) |
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(add-to-list 'use-package-keywords :delight t) |
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(provide 'use-package-delight) |
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;;; use-package-delight.el ends here
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