| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** GNU Lesser General Public License Usage |
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| ** General Public License version 3 as published by the Free Software |
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| ** packaging of this file. Please review the following information to |
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| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
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| ****************************************************************************/ |
| |
| // |
| // 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 <private/qreportcontext_p.h> |
| #include <private/qschematype_p.h> |
| |
| #include <QtXmlPatterns/QXmlItem> |
| |
| 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 |
| |
| #endif |