QPatternist::DateTimeDurationMathematician Class Reference

Performs arithmetics between an AbstractDateTime value and an AbstractDuration value. More...

#include <qatomicmathematicians_p.h>

Inheritance diagram for QPatternist::DateTimeDurationMathematician:

Public Functions
virtual Item	calculate (const Item &o1, const Operator op, const Item &o2, const QExplicitlySharedDataPointer< DynamicContext > &context) const
	DateTimeDurationMathematician (const SourceLocationReflection *const r)
Public Functions inherited from QPatternist::AtomicMathematician
virtual	~AtomicMathematician ()
Public Functions inherited from QPatternist::AtomicTypeVisitorResult
	AtomicTypeVisitorResult ()
virtual	~AtomicTypeVisitorResult ()
Public Functions inherited from QSharedData
	QSharedData ()
	Constructs a QSharedData object with a reference count of 0. More...
	QSharedData (const QSharedData &)
	Constructs a QSharedData object with reference count 0. More...
Public Functions inherited from QPatternist::DelegatingSourceLocationReflection
virtual const SourceLocationReflection *	actualReflection () const
	DelegatingSourceLocationReflection (const SourceLocationReflection *const r)
virtual QString	description () const
Public Functions inherited from QPatternist::SourceLocationReflection
virtual QSourceLocation	sourceLocation () const
	SourceLocationReflection ()
virtual	~SourceLocationReflection ()

Additional Inherited Members
Public Types inherited from QPatternist::AtomicMathematician
enum	Operator {   Div = 1, IDiv = 2, Substract = 4, Mod = 8,   Multiply = 16, Add = 32 }
typedef QFlags< Operator >	Operators
typedef QExplicitlySharedDataPointer< AtomicMathematician >	Ptr
Public Types inherited from QPatternist::AtomicTypeVisitorResult
typedef QExplicitlySharedDataPointer< AtomicTypeVisitorResult >	Ptr
Static Public Functions inherited from QPatternist::AtomicMathematician
static QString	displayName (const AtomicMathematician::Operator op)
Public Variables inherited from QSharedData
QAtomicInt	ref

Detailed Description

Performs arithmetics between an AbstractDateTime value and an AbstractDuration value.

Author

Frans Englich frans.nosp@m..eng.nosp@m.lich@.nosp@m.noki.nosp@m.a.com

Definition at line 210 of file qatomicmathematicians_p.h.

Constructors and Destructors

DateTimeDurationMathematician()

QPatternist::DateTimeDurationMathematician::DateTimeDurationMathematician ( const SourceLocationReflection *const  r )

inline

Definition at line 215 of file qatomicmathematicians_p.h.

                                                                                      : DelegatingSourceLocationReflection(r)
        {
        }

Functions

calculate()

Item DateTimeDurationMathematician::calculate ( const Item &  o1, const Operator  op, const Item &  o2, const QExplicitlySharedDataPointer< DynamicContext > &  context  ) const

virtual

o1 is an AbstractDateTime and o2 is an AbstractDuration.

Implements QPatternist::AtomicMathematician.

Definition at line 306 of file qatomicmathematicians.cpp.

{
    Q_ASSERT(op == Substract || op == Add);

    const AbstractDateTime::Ptr adt(o1.as<AbstractDateTime>());
    const AbstractDuration::Ptr dur(o2.as<AbstractDuration>());
    QDateTime dt(adt->toDateTime());
    //pDebug() << "DateTimeDurationMathematician::calculate():" << dt.toString();
    //dt.setDateOnly(false);
    const qint8 sign = (op == Add ? 1 : -1) * (dur->isPositive() ? 1 : -1);

    // TODO milli seconds
    dt = dt.addSecs(sign * (dur->seconds() + dur->minutes() * 60 + dur->hours() * 60 * 60));
    dt = dt.addDays(sign * dur->days());
    dt = dt.addMonths(sign * dur->months());
    dt = dt.addYears(sign * dur->years());

    QString msg;

    if(AbstractDateTime::isRangeValid(dt.date(), msg))
        return adt->fromValue(dt);
    else
    {
        context->error(msg, ReportContext::FODT0001,
                       this);
        return Item();
    }
}

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The documentation for this class was generated from the following files:

• /src/xmlpatterns/data/qatomicmathematicians_p.h
• /src/xmlpatterns/data/qatomicmathematicians.cpp