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;;; wiki.el -- A wikitext mode -*- lexical-binding: t -*-
;; Copyright (C) 2023 Free Software Foundation.
;; Author: Yuchen Pei <id@ypei.org>
;; Package-Requires: ((emacs "28.2"))
;; This file is part of dotted.
;; dotted is free software: you can redistribute it and/or modify it under
;; the terms of the GNU Affero General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; dotted 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 Affero General
;; Public License for more details.
;; You should have received a copy of the GNU Affero General Public
;; License along with dotted. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; A wikitext mode.
;;; Code:
(require 'parsec)
(defun wiki-file ()
(parsec-many (wiki-block)))
(defun wiki-block ()
(parsec-or (wiki-header)))
(defun wiki-header ()
(let* ((marker (parsec-many-s (parsec-ch ?=)))
(raw-content
(string-trim
(parsec-many-till-s
(parsec-none-of ?\n)
(parsec-try
(parsec-and
(parsec-str marker)
(wiki-header-end)))))))
(list 'Header
(length marker)
(parsec-with-input raw-content
(wiki-inlines)))))
(defun wiki-header-end ()
(parsec-and
(parsec-many (wiki-space))
(parsec-eol-or-eof)))
(defun wiki-space ()
(parsec-one-of ?\s ?\t))
(defun wiki-inlines ()
(parsec-many (wiki-inline)))
(defun wiki-inline ()
(parsec-or (wiki-plain)))
(defun wiki-plain ()
(list 'Plain (parsec-many1-as-string (parsec-any-ch))))
(define-derived-mode wiki-mode text-mode "Wiki"
"A wikitext mode.")
(provide 'wiki)
;;; wiki.el ends here
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