emacs/lisp/editorconfig-conf-mode.el

98 lines
3.1 KiB
EmacsLisp

;;; editorconfig-conf-mode.el --- Major mode for editing .editorconfig files -*- lexical-binding: t -*-
;; Copyright (C) 2011-2024 Free Software Foundation, Inc.
;; Author: EditorConfig Team <editorconfig@googlegroups.com>
;; Package: editorconfig
;; See
;; https://github.com/editorconfig/editorconfig-emacs/graphs/contributors or
;; https://github.com/editorconfig/editorconfig-emacs/blob/master/CONTRIBUTORS
;; for the list of contributors.
;; 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:
;; Major mode for editing .editorconfig files.
;;; Code:
(require 'conf-mode)
(defvar editorconfig-conf-mode-syntax-table
(let ((table (make-syntax-table conf-unix-mode-syntax-table)))
(modify-syntax-entry ?\; "<" table)
table)
"Syntax table in use in `editorconfig-conf-mode' buffers.")
(defvar editorconfig-conf-mode-abbrev-table nil
"Abbrev table in use in `editorconfig-conf-mode' buffers.")
(define-abbrev-table 'editorconfig-conf-mode-abbrev-table ())
;;;###autoload
(define-derived-mode editorconfig-conf-mode conf-unix-mode "Conf[EditorConfig]"
"Major mode for editing .editorconfig files."
(set-variable 'indent-line-function 'indent-relative)
(let ((key-property-list
'("charset"
"end_of_line"
"file_type_emacs"
"file_type_ext"
"indent_size"
"indent_style"
"insert_final_newline"
"max_line_length"
"root"
"tab_width"
"trim_trailing_whitespace"))
(key-value-list
'("unset"
"true"
"false"
"lf"
"cr"
"crlf"
"space"
"tab"
"latin1"
"utf-8"
"utf-8-bom"
"utf-16be"
"utf-16le"))
(font-lock-value
'(("^[ \t]*\\[\\(.+?\\)\\]" 1 font-lock-type-face)
("^[ \t]*\\(.+?\\)[ \t]*[=:]" 1 font-lock-variable-name-face))))
;; Highlight all key values
(dolist (key-value key-value-list)
(push `(,(format "[=:][ \t]*\\(%s\\)\\([ \t]\\|$\\)" key-value)
1 font-lock-constant-face)
font-lock-value))
;; Highlight all key properties
(dolist (key-property key-property-list)
(push `(,(format "^[ \t]*\\(%s\\)[ \t]*[=:]" key-property)
1 font-lock-builtin-face)
font-lock-value))
(conf-mode-initialize "#" font-lock-value)))
;;;###autoload
(add-to-list 'auto-mode-alist '("\\.editorconfig\\'" . editorconfig-conf-mode))
(provide 'editorconfig-conf-mode)
;;; editorconfig-conf-mode.el ends here