| /**************************************************************************** |
| ** |
| ** 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. |
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| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
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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_AtomicMathematicians_H |
| #define Patternist_AtomicMathematicians_H |
| |
| #include <private/qatomicmathematician_p.h> |
| #include <private/qsourcelocationreflection_p.h> |
| |
| /** |
| * @file |
| * @short Contains classes performing arithemetic operations between atomic values, such as |
| * subtracting two dates. |
| */ |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QPatternist |
| { |
| /** |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class DecimalMathematician : public AtomicMathematician |
| , public DelegatingSourceLocationReflection |
| { |
| public: |
| inline DecimalMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r) |
| { |
| } |
| |
| virtual Item calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Performs arithmetics between Integer values. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class IntegerMathematician : public AtomicMathematician |
| , public DelegatingSourceLocationReflection |
| { |
| public: |
| inline IntegerMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r) |
| { |
| } |
| |
| virtual Item calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Performs division or multiplication between either DayTimeDuration or YearMonthDuration |
| * and Double values. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class DurationNumericMathematician : public AtomicMathematician |
| , public DelegatingSourceLocationReflection |
| { |
| public: |
| inline DurationNumericMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r) |
| { |
| } |
| |
| virtual Item calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Performs division between DayTimeDuration and DayTimeDuration, or |
| * YearMonthDuration and YearMonthDuration. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class DurationDurationDivisor : public AtomicMathematician |
| { |
| public: |
| virtual Item calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Performs arithmetics between DayTimeDuration and DayTimeDuration, or |
| * YearMonthDuration and YearMonthDuration. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class DurationDurationMathematician : public AtomicMathematician |
| { |
| public: |
| virtual Item calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Delegates an AtomicMathematician and switches its operands. |
| * |
| * Switches the operands of the call to a call to the calculate() |
| * on an AtomicMathematician such that the left operand becomes the right, and |
| * vice versa. |
| * |
| * Its constructor takes an AtomicMathematician instance which this OperandSwitcherMathematician |
| * should act as as a middle-man for, having the role of switching the two operands. Thus, |
| * OperandSwitcherMathematician can be described as a proxy or delegator class. |
| * |
| * This class is used for implementing operator combinations such as |
| * <tt>numeric * xs:yearMonthDuration</tt> and |
| * <tt>xs:yearMonthDuration * numeric</tt>. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class OperandSwitcherMathematician : public AtomicMathematician |
| { |
| public: |
| /** |
| * Creates an OperandSwitcherMathematician. |
| * |
| * @param mathematician the AtomicMathematician this OperandSwitcherMathematician |
| * should switch the operands for. Must be a non @c null, valid pointer. |
| */ |
| OperandSwitcherMathematician(const AtomicMathematician::Ptr &mathematician); |
| |
| /** |
| * Switch @p o1 and @p o2, and returns the value from the AtomicMathematician |
| * this OperandSwitcherMathematician represents. |
| */ |
| virtual Item calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| private: |
| const AtomicMathematician::Ptr m_mather; |
| }; |
| |
| /** |
| * @short Performs arithmetics between an AbstractDateTime value and |
| * an AbstractDuration value. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class DateTimeDurationMathematician : public AtomicMathematician |
| , public DelegatingSourceLocationReflection |
| { |
| public: |
| |
| inline DateTimeDurationMathematician(const SourceLocationReflection *const r) : DelegatingSourceLocationReflection(r) |
| { |
| } |
| |
| /** |
| * @p o1 is an AbstractDateTime and @p o2 is an AbstractDuration. |
| * |
| */ |
| virtual Item calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| |
| /** |
| * @short Performs arithmetics between two AbstractDateTime values. |
| * |
| * @ingroup Patternist_xdm |
| * @author Frans Englich <frans.englich@nokia.com> |
| */ |
| class AbstractDateTimeMathematician : public AtomicMathematician |
| { |
| public: |
| virtual Item calculate(const Item &o1, |
| const Operator op, |
| const Item &o2, |
| const QExplicitlySharedDataPointer<DynamicContext> &context) const; |
| }; |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |