* html5-schema: Add locating-rules.xml and setup nxml to use it

[gnu-emacs-elpa] / packages / html5-schema / html5-schema.el

diff --git a/packages/html5-schema/html5-schema.el b/packages/html5-schema/html5-schema.el
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+;;; html5-schema.el --- Add HTML5 schemas for use by nXML  -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2016  Free Software Foundation, Inc
+
+;; Author: Stefan Monnier <monnier@iro.umontreal.ca>
+;; Keywords: html, xml
+;; Version: 0.1
+;; URL: https://github.com/validator/validator
+;; Package-Type: multi
+
+;; This program 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.
+
+;; This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; The RelaxNG files are taken straight from
+;; https://github.com/validator/validator.git's via:
+;;
+;;     git subtree -P schema/html5 split
+;;
+;; To which we manually add `locating-rules.xml` and this file.
+
+;;; Code:
+
+;;;###autoload
+(when load-file-name
+  (let* ((dir (file-name-directory load-file-name))
+         (file (expand-file-name "locating-rules.xml" dir)))
+    (eval-after-load 'rng-loc
+      `(progn
+         (add-to-list 'rng-schema-locating-files-default 'file)
+         ;; FIXME: We should only push to rng-schema-locating-files-default,
+         ;; since rng-schema-locating-files is a custom var, but by the time
+         ;; we run, rng-schema-locating-files has already been initialized
+         ;; from rng-schema-locating-files-default, so setting
+         ;; rng-schema-locating-files-default doesn't have any effect
+         ;; any more!
+         (add-to-list 'rng-schema-locating-files ,file)
+         (put 'http://whattf.org/datatype-draft 'rng-dt-compile
+              #'nxml-html5-dt-compile)))))
+
+;;;###autoload
+(add-to-list 'auto-mode-alist '("\\.html?\\'" . nxml-mode))
+
+(defvar nxml-html5-dt-params nil)
+(defvar nxml-html5-dt-names nil)
+
+;;;###autoload
+(defun nxml-html5-dt-compile (name params)
+  ;; FIXME: How/when is `params' ever used?  It seems to always be nil!
+  (add-to-list 'nxml-html5-dt-params params)
+  (add-to-list 'nxml-html5-dt-names name)
+  ;; FIXME: We currently don't do any actual validation of datatypes!
+  '(t identity))
+
+(provide 'html5-schema)
+;;; html5-schema.el ends here