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;;; rng-dt.el --- datatype library interface for RELAX NG -*- lexical-binding:t -*-
;; Copyright (C) 2003, 2007-2021 Free Software Foundation, Inc.
;; Author: James Clark
;; Keywords: wp, hypermedia, languages, XML, RelaxNG
;; 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:
;;; Code:
(require 'rng-util)
(defvar rng-dt-error-reporter nil)
(defun rng-dt-error (string &rest objs)
(if rng-dt-error-reporter
(apply rng-dt-error-reporter (cons string objs))
nil))
(defvar rng-dt-namespace-context-getter nil
"A list used by datatype libraries to expand names.
The car of the list is a symbol which is the name of a function.
This function is applied to the cdr of the list. The function must
return a list whose car is the default namespace and whose cdr is an
alist of (PREFIX . NAMESPACE) pairs, where PREFIX is a string and
NAMESPACE is a symbol. This must be dynamically bound before calling
a datatype library.")
(defsubst rng-dt-make-value (dt str)
(apply (car dt) (cons str (cdr dt))))
(defun rng-dt-builtin-compile (name params)
(cond ((eq name 'string)
(if (null params)
'(t identity)
(rng-dt-error "The string datatype does not take any parameters")))
((eq name 'token)
(if (null params)
'(t rng-collapse-space)
(rng-dt-error "The token datatype does not take any parameters")))
(t
(rng-dt-error "There is no built-in datatype %s" name))))
(put (rng-make-datatypes-uri "") 'rng-dt-compile #'rng-dt-builtin-compile)
(provide 'rng-dt)
;;; rng-dt.el ends here
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