1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtXmlPatterns module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 // 43 // W A R N I N G 44 // ------------- 45 // 46 // This file is not part of the Qt API. It exists purely as an 47 // implementation detail. This header file may change from version to 48 // version without notice, or even be removed. 49 // 50 // We mean it. 51 52 #ifndef Patternist_XsdParticleChecker_H 53 #define Patternist_XsdParticleChecker_H 54 55 #include "qxsdelement_p.h" 56 #include "qxsdparticle_p.h" 57 #include "qxsdschemacontext_p.h" 58 #include "qxsdwildcard_p.h" 59 60 QT_BEGIN_HEADER 61 62 QT_BEGIN_NAMESPACE 63 64 namespace QPatternist 65 { 66 /** 67 * @short A helper class to check validity of particles. 68 * 69 * @ingroup Patternist_schema 70 * @author Tobias Koenig <tobias.koenig@nokia.com> 71 */ 72 class XsdParticleChecker 73 { 74 public: 75 /** 76 * Checks whether the given @p particle has two or more element 77 * declarations with the same name but different type definitions. 78 */ 79 static bool hasDuplicatedElements(const XsdParticle::Ptr &particle, const NamePool::Ptr &namePool, XsdElement::Ptr &conflictingElement); 80 81 /** 82 * Checks whether the given @p particle is valid according the 83 * UPA (http://www.w3.org/TR/xmlschema-1/#cos-nonambig) constraint. 84 */ 85 static bool isUPAConform(const XsdParticle::Ptr &particle, const NamePool::Ptr &namePool); 86 87 /** 88 * Checks whether the given @p particle, which must be an xsd:all element, 89 * is valid according the UPA (http://www.w3.org/TR/xmlschema-1/#cos-nonambig) constraint. 90 * For xsd:all elements, we do not want to construct a state machine. 91 */ 92 static bool isUPAConformXsdAll(const XsdParticle::Ptr &particle, const NamePool::Ptr &namePool); 93 94 /** 95 * Checks whether the given @p particle subsumes the given @p derivedParticle. 96 * (http://www.w3.org/TR/xmlschema-1/#cos-particle-restrict) 97 */ 98 static bool subsumes(const XsdParticle::Ptr &particle, const XsdParticle::Ptr &derivedParticle, const XsdSchemaContext::Ptr &context, QString &errorMsg); 99 }; 100 } 101 102 QT_END_NAMESPACE 103 104 QT_END_HEADER 105 106 #endif 107