| /**************************************************************************** |
| ** |
| ** 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
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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 |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** 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_Boolean_H |
| #define Patternist_Boolean_H |
| |
| #include <private/qitem_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternist |
| { |
| /** |
| * @short Implements the value instance of the @c xs:boolean type. |
| * |
| * @author Frans Englich <frans.englich@nokia.com> |
| * @ingroup Patternist_xdm |
| */ |
| class Q_AUTOTEST_EXPORT Boolean : public AtomicValue |
| { |
| public: |
| typedef AtomicValue::Ptr Ptr; |
| |
| /** |
| * @returns the boolean value this Boolean represents |
| */ |
| static bool evaluateEBV(const Item::Iterator::Ptr &e, |
| const QExplicitlySharedDataPointer<DynamicContext> &); |
| |
| static bool evaluateEBV(const Item &first, |
| const Item::Iterator::Ptr &e, |
| const QExplicitlySharedDataPointer<DynamicContext> &); |
| |
| static bool evaluateEBV(const Item &item, |
| const QExplicitlySharedDataPointer<DynamicContext> &context); |
| |
| virtual QString stringValue() const; |
| |
| /** |
| * @returns a Boolean object instantiating @p value. Use True() or False() |
| * if you already know what value you need. |
| */ |
| static Boolean::Ptr fromValue(const bool value); |
| |
| /** |
| * Creates a boolean value from a lexical representation. "true" and "1" |
| * becomes @c true, while "false" and "0" becomes @c false. |
| */ |
| static AtomicValue::Ptr fromLexical(const QString &val); |
| |
| /** |
| * Get the Effective %Boolean Value of this boolean value. For <tt>xs:boolean</tt>, this |
| * is simply the value. |
| */ |
| virtual bool evaluateEBV(const QExplicitlySharedDataPointer<DynamicContext> &) const; |
| |
| virtual ItemType::Ptr type() const; |
| |
| inline bool value() const |
| { |
| return m_value; |
| } |
| |
| protected: |
| friend class CommonValues; |
| Boolean(const bool value); |
| |
| private: |
| const bool m_value; |
| }; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |