65 lines
2.1 KiB
EmacsLisp
65 lines
2.1 KiB
EmacsLisp
;;; rng-dt.el --- datatype library interface for RELAX NG -*- lexical-binding:t -*-
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;; Copyright (C) 2003, 2007-2024 Free Software Foundation, Inc.
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;; Author: James Clark
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;; Keywords: text, hypermedia, languages, XML, RelaxNG
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;; This file is part of GNU Emacs.
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;; GNU Emacs 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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;; GNU Emacs 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 GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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(require 'rng-util)
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(defvar rng-dt-error-reporter nil)
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(defun rng-dt-error (string &rest objs)
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(if rng-dt-error-reporter
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(apply rng-dt-error-reporter (cons string objs))
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nil))
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(defvar rng-dt-namespace-context-getter nil
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"A list used by datatype libraries to expand names.
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The car of the list is a symbol which is the name of a function.
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This function is applied to the cdr of the list. The function must
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return a list whose car is the default namespace and whose cdr is an
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alist of (PREFIX . NAMESPACE) pairs, where PREFIX is a string and
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NAMESPACE is a symbol. This must be dynamically bound before calling
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a datatype library.")
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(defsubst rng-dt-make-value (dt str)
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(apply (car dt) (cons str (cdr dt))))
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(defun rng-dt-builtin-compile (name params)
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(cond ((eq name 'string)
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(if (null params)
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'(t identity)
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(rng-dt-error "The string datatype does not take any parameters")))
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((eq name 'token)
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(if (null params)
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'(t string-clean-whitespace)
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(rng-dt-error "The token datatype does not take any parameters")))
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(t
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(rng-dt-error "There is no built-in datatype %s" name))))
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(put (rng-make-datatypes-uri "") 'rng-dt-compile #'rng-dt-builtin-compile)
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(provide 'rng-dt)
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;;; rng-dt.el ends here
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