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Diffstat (limited to 'src/xmlpatterns/schema/qxsdidchelper_p.h')
| -rw-r--r-- | src/xmlpatterns/schema/qxsdidchelper_p.h | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/src/xmlpatterns/schema/qxsdidchelper_p.h b/src/xmlpatterns/schema/qxsdidchelper_p.h new file mode 100644 index 0000000..f3a9bac --- /dev/null +++ b/src/xmlpatterns/schema/qxsdidchelper_p.h @@ -0,0 +1,186 @@ +/**************************************************************************** +** +** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Patternist_XsdIdcHelper_H +#define Patternist_XsdIdcHelper_H + +#include "qreportcontext_p.h" +#include "qschematype_p.h" + +#include <QtXmlPatterns/QXmlItem> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + + /** + * @short A helper class for validating identity constraints. + * + * This class represents a field node from the key-sequence as defined in + * the validation rules at http://www.w3.org/TR/xmlschema11-1/#d0e32243. + */ + class FieldNode + { + public: + /** + * Creates an empty field node. + */ + FieldNode(); + + /** + * Creates a field node that is bound to a xml node. + * + * @param item The xml node the field is bound to. + * @param data The string content of that field. + * @param type The type that is bound to that field. + */ + FieldNode(const QXmlItem &item, const QString &data, const SchemaType::Ptr &type); + + /** + * Returns whether this field is empty. + * + * A field can be empty, if the xpath expression selects an absent attribute + * or element. + */ + bool isEmpty() const; + + /** + * Returns whether this field is equal to the @p other field. + * + * Equal means that both have the same type and there content is equal in the + * types value space. + */ + bool isEqualTo(const FieldNode &other, const NamePool::Ptr &namePool, const ReportContext::Ptr &context, const SourceLocationReflection *const reflection) const; + + /** + * Returns the xml node item the field is bound to. + */ + QXmlItem item() const; + + private: + QXmlItem m_item; + QString m_data; + SchemaType::Ptr m_type; + }; + + /** + * @short A helper class for validating identity constraints. + * + * This class represents a target or qualified node from the target or qualified + * node set as defined in the validation rules at http://www.w3.org/TR/xmlschema11-1/#d0e32243. + * + * A target node is part of the qualified node set, if all of its fields are not empty. + */ + class TargetNode + { + public: + /** + * Defines a set of target nodes. + */ + typedef QSet<TargetNode> Set; + + /** + * Creates a new target node that is bound to the xml node @p item. + */ + explicit TargetNode(const QXmlItem &item); + + /** + * Returns the xml node item the target node is bound to. + */ + QXmlItem item() const; + + /** + * Returns all xml node items, the fields of that target node are bound to. + */ + QVector<QXmlItem> fieldItems() const; + + /** + * Returns the number of fields that are empty. + */ + int emptyFieldsCount() const; + + /** + * Returns whether the target node has the same fields as the @p other target node. + */ + bool fieldsAreEqual(const TargetNode &other, const NamePool::Ptr &namePool, const ReportContext::Ptr &context, const SourceLocationReflection *const reflection) const; + + /** + * Adds a new field to the target node with the given values. + */ + void addField(const QXmlItem &item, const QString &data, const SchemaType::Ptr &type); + + /** + * Returns whether the target node is equal to the @p other target node. + */ + bool operator==(const TargetNode &other) const; + + private: + QXmlItem m_item; + QVector<FieldNode> m_fields; + }; + + /** + * Creates a hash value for the given target @p node. + */ + inline uint qHash(const QPatternist::TargetNode &node) + { + return qHash(node.item().toNodeModelIndex()); + } +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |