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Diffstat (limited to 'src/xmlpatterns/data/qatomicmathematicians_p.h')
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1 files changed, 249 insertions, 0 deletions
diff --git a/src/xmlpatterns/data/qatomicmathematicians_p.h b/src/xmlpatterns/data/qatomicmathematicians_p.h new file mode 100644 index 0000000..7bbdaef --- /dev/null +++ b/src/xmlpatterns/data/qatomicmathematicians_p.h @@ -0,0 +1,249 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, included in the file LGPL_EXCEPTION.txt in this +** package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@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_AtomicMathematicians_H +#define Patternist_AtomicMathematicians_H + +#include "qatomicmathematician_p.h" +#include "qsourcelocationreflection_p.h" + +/** + * @file + * @short Contains classes performing arithemetic operations between atomic values, such as + * subtracting two dates. + */ + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * + * @ingroup Patternist_xdm + * @author Frans Englich <fenglich@trolltech.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 <fenglich@trolltech.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 <fenglich@trolltech.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 <fenglich@trolltech.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 <fenglich@trolltech.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 <fenglich@trolltech.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 <fenglich@trolltech.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 <fenglich@trolltech.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 + +QT_END_HEADER + +#endif |