106 lines
3.5 KiB
EmacsLisp
106 lines
3.5 KiB
EmacsLisp
;;; json-mode.el --- Major mode for editing JSON files
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;; Copyright (C) 2011-2014 Josh Johnston
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;; Author: Josh Johnston
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;; URL: https://github.com/joshwnj/json-mode
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;; Package-Version: 20160601.356
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;; Version: 1.6.0
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;; Package-Requires: ((json-reformat "0.0.5") (json-snatcher "1.0.0"))
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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 <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; extend the builtin js-mode's syntax highlighting
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;;; Code:
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(require 'js)
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(require 'rx)
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(require 'json-snatcher)
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(require 'json-reformat)
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(defconst json-mode-quoted-string-re
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(rx (group (char ?\")
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(zero-or-more (or (seq ?\\ ?\\)
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(seq ?\\ ?\")
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(seq ?\\ (not (any ?\" ?\\)))
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(not (any ?\" ?\\))))
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(char ?\"))))
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(defconst json-mode-quoted-key-re
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(rx (group (char ?\")
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(zero-or-more (or (seq ?\\ ?\\)
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(seq ?\\ ?\")
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(seq ?\\ (not (any ?\" ?\\)))
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(not (any ?\" ?\\))))
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(char ?\"))
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(zero-or-more blank)
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?\:))
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(defconst json-mode-number-re (rx (group (one-or-more digit)
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(optional ?\. (one-or-more digit)))))
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(defconst json-mode-keyword-re (rx (group (or "true" "false" "null"))))
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(defconst json-font-lock-keywords-1
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(list
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(list json-mode-quoted-key-re 1 font-lock-keyword-face)
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(list json-mode-quoted-string-re 1 font-lock-string-face)
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(list json-mode-keyword-re 1 font-lock-constant-face)
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(list json-mode-number-re 1 font-lock-constant-face)
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)
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"Level one font lock.")
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;;;###autoload
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(define-derived-mode json-mode javascript-mode "JSON"
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"Major mode for editing JSON files"
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(set (make-local-variable 'font-lock-defaults) '(json-font-lock-keywords-1 t)))
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;;;###autoload
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(add-to-list 'auto-mode-alist '("\\.json$" . json-mode))
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(add-to-list 'auto-mode-alist '("\\.jsonld$" . json-mode))
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;;;###autoload
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(defun json-mode-show-path ()
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(interactive)
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(let ((temp-name "*json-path*"))
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(with-output-to-temp-buffer temp-name (jsons-print-path))
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(let ((temp-window (get-buffer-window temp-name)))
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;; delete the window if we have one,
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;; so we can recreate it in the correct position
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(if temp-window
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(delete-window temp-window))
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;; always put the temp window below the json window
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(set-window-buffer (split-window-below) temp-name))
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))
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(define-key json-mode-map (kbd "C-c C-p") 'json-mode-show-path)
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;;;###autoload
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(defun json-mode-beautify ()
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"Beautify / pretty-print the active region (or the entire buffer if no active region)."
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(interactive)
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(let ((json-reformat:indent-width js-indent-level)
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(json-reformat:pretty-string? t))
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(if (use-region-p)
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(json-reformat-region (region-beginning) (region-end))
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(json-reformat-region (buffer-end -1) (buffer-end 1)))))
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(define-key json-mode-map (kbd "C-c C-f") 'json-mode-beautify)
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(provide 'json-mode)
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;;; json-mode.el ends here
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