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50 lines
1.7 KiB
EmacsLisp
50 lines
1.7 KiB
EmacsLisp
;;; action-map-lib.el --- -*- lexical-binding: t -*-
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;; Copyright (C) 2022 Benson Chu
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;; Author: Benson Chu <bensonchu457@gmail.com>
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;; Created: [2022-12-16 18:55]
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;; This file is not part of GNU Emacs
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;; This program is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (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 <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(defun aml/map-to-char-prompt (map separator)
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(mapconcat #'(lambda (x) (plist-get (cdr x) :description))
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map
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(or separator " ")))
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(defun aml/get-map-prop (map action prop)
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(plist-get (alist-get action map)
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prop))
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(defun aml/read-action-map (map &optional separator)
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(if (= 1 (length map))
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(car (first map))
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(let ((lookup-table (mapcar #'(lambda (x)
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(cons (plist-get (cdr x)
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:key)
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(car x)))
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map))
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key)
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(while (not (alist-get key lookup-table))
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(setq key (read-char (aml/map-to-char-prompt map separator))))
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(alist-get key lookup-table))))
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(provide 'action-map-lib)
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;;; action-map-lib.el ends here
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