ISO/IEC INTERNATIONAL STANDARD 19757-4 First edition 2006-06-01 Information technology Document Schema Definition Languages (DSDL) - Part 4: Namespace-based Validation Dispatching Language (NVDL) Technologies de I'information - Langages de definition de schéma de documents(DSDL) Partie 4: Langage de diffusion de validation d'espace de nom oriente (NVDL) Reference number ISO/IEC 19757-4:2006(E) IEC @ ISO/IEC 2006 HS unde I without license from IHS Not for Resale ISO/IEC 19757-4:2006(E) PDFdisclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ?ISO/IEC2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO/IEC 2006 - All rights reserved ermittedwithoutlicense from IHS Not for Resale ISO/IEC 19757-4:2006(E) Contents Page Foreword... Introduction.. 1 2 Normative references. 3 Terms and definitions..... 4 Notation.. 5 Data model. 5.1 General... 5.2 Creating a data model from the infoset.. 6 6 6.1 General. 6 6.2 Full syntax 6 6.3 Simplesyntax 6.4 Simplification. 10 6.4.1 Genera 10 6.4.2 Annotations 10 6.4.3 Whitespace 10 6.4.4 message attribute.. 10 6.4.5 mustSupport attribute.. 10 6.4.6 schemaType attribute of rules elements.. 11 6.4.7 11 6.4.8 child mode elements of validate, allow, reject, attach, unwrap, attachPlaceholder, or context 6.4.9 namespace or anyNamespace elements......... 11 6.4.10 mode inclusion.................. 11 6.4.11 competition within mode 12 6.4.12 default anyNamespace 6.4.13 allow and reject 6.4.14 useModeattribute. 13 7 Primitive operations.... 13 7.1 13 7.2 Creating element sections and attribute sections.... 13 7.3 Decomposition of element sections by trigger elements. 15 7.4 Attaching attribute sections to elements.. 17 7.5 Attaching element sequences to elements... 17 7.6 Creating placeholder elements from element sections... 18 7.7 Converting attribute sections to empty elements..... 18 8 Semantics 18 8.1 General... 18 8.2 Preliminaries... 19 8.3 Stage 1: Creating element and attribute sections.. 20 8.4 Stage 2: Constructing interpretations... 20 8.5 Stage 3: Combining sections... 20 8.6 Stage 4: Filtering of the combined sections.... 22 8.7 Stage 5: Validation.... 22 8.7.1 General.. 22 8.7.2 Determining schemas and schema languages. 22 8.7.3 Schema rewriting for attribute sections. 23 8.7.4 23 9 Conformance 23 CopyrightInternatinal Oorganizaionfrstandardization All rights reserved ili ted without license from IHS Not for Resale ISO/IEC 19757-4:2006(E) Annex A (normative) Full syntax in RELAX NG.... 24 Annex B (normative) Simple syntax in RELAX NG... 31 Annex C (informative) An NVDL script and RELAX NG schema for the full syntax... 35 C.1 Genera C.2 RELAX NG schema 35 C.3 NVDL script.. 40 Annex D (informative) Example... 42 D.1 General... 42 D.2 RDF embedded within XHTMI 42 D.2.1 Simplification. 42 D.2.2 Dispatching 43 D.2.2.1 General. 43 D.2.2.2 Stage 1. 43 D.2.2.3 Stage 2. 44 D.2.2.4 Stage 3. 44 D.2.2.5 Stage 4 44 D.2.2.6 Stage 5 44 D.3 XHTML2.0and 44 D.3.1 Simplification 44 D.3.2 Dispatching 47 D.3.2.1 Gene