QPatternist::DecimalMathematician Class Reference

#include <qatomicmathematicians_p.h>

Inheritance diagram for QPatternist::DecimalMathematician:

Public Functions
virtual Item	calculate (const Item &o1, const Operator op, const Item &o2, const QExplicitlySharedDataPointer< DynamicContext > &context) const
	DecimalMathematician (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

Author

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

Definition at line 75 of file qatomicmathematicians_p.h.

Constructors and Destructors

DecimalMathematician()

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

inline

Definition at line 79 of file qatomicmathematicians_p.h.

                                                                             : DelegatingSourceLocationReflection(r)
        {
        }

Functions

calculate()

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

virtual

Implements QPatternist::AtomicMathematician.

Definition at line 84 of file qatomicmathematicians.cpp.

Referenced by QPatternist::DateTimeDurationMathematician::DateTimeDurationMathematician(), DecimalMathematician(), QPatternist::DurationNumericMathematician::DurationNumericMathematician(), and QPatternist::IntegerMathematician::IntegerMathematician().

{
    switch(op)
    {
        case Div:
        {
            if(o2.as<Numeric>()->toInteger() == 0)
            {
                context->error(divZeroInvalid(), ReportContext::FOAR0001, this);
                return Item(); /* Silences source code analyzer warning. */
            }
            else
                return toItem(Decimal::fromValue(o1.as<Numeric>()->toDecimal() / o2.as<Numeric>()->toDecimal()));
        }
        case IDiv:
        {
            if(o2.as<Numeric>()->toInteger() == 0)
            {
                context->error(idivZeroInvalid(), ReportContext::FOAR0001, this);
                return Item(); /* Silences source code analyzer warning. */
            }
            else
                return Integer::fromValue(static_cast<xsInteger>(o1.as<Numeric>()->toDecimal() /
                                                                 o2.as<Numeric>()->toDecimal()));
        }
        case Substract:
            return toItem(Decimal::fromValue(o1.as<Numeric>()->toDecimal() - o2.as<Numeric>()->toDecimal()));
        case Mod:
        {
            if(o2.as<Numeric>()->toInteger() == 0)
            {
                context->error(modZeroInvalid(), ReportContext::FOAR0001, this);
                return Item(); /* Silences source code analyzer warning. */
            }
            else
                return toItem(Decimal::fromValue(::fmod(o1.as<Numeric>()->toDecimal(), o2.as<Numeric>()->toDecimal())));
        }
        case Multiply:
            return toItem(Decimal::fromValue(o1.as<Numeric>()->toDecimal() * o2.as<Numeric>()->toDecimal()));
        case Add:
            return toItem(Decimal::fromValue(o1.as<Numeric>()->toDecimal() + o2.as<Numeric>()->toDecimal()));
    }

    Q_ASSERT(false);
    return Item(); /* GCC unbarfer. */
}

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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