QPatternist::AtomicMathematician Class Reference

Base class for classes that performs arithmetic operations between atomic values. More...

#include <qatomicmathematician_p.h>

Inheritance diagram for QPatternist::AtomicMathematician:

Public Types
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

Public Functions
virtual Item	calculate (const Item &operand1, const Operator op, const Item &operand2, const QExplicitlySharedDataPointer< DynamicContext > &context) const =0
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...

Static Public Functions
static QString	displayName (const AtomicMathematician::Operator op)

Additional Inherited Members
Public Variables inherited from QSharedData
QAtomicInt	ref

Detailed Description

Base class for classes that performs arithmetic operations between atomic values.

Author

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

Definition at line 73 of file qatomicmathematician_p.h.

Typedefs

Operators

typedef QFlags<Operator> QPatternist::AtomicMathematician::Operators

Definition at line 119 of file qatomicmathematician_p.h.

Ptr

typedef QExplicitlySharedDataPointer<AtomicMathematician> QPatternist::AtomicMathematician::Ptr

Definition at line 78 of file qatomicmathematician_p.h.

Enumerations

Operator

enum QPatternist::AtomicMathematician::Operator

Enumerator
Div	See also XQuery 1.0 and XPath 2.0 Functions and Operators, 6.2.4 op:numeric-divide
IDiv	See also XQuery 1.0 and XPath 2.0 Functions and Operators, 6.2.5 op:numeric-integer-divide
Substract	See also XQuery 1.0 and XPath 2.0 Functions and Operators, 6.2.2 op:numeric-subtract
Mod	See also XQuery 1.0 and XPath 2.0 Functions and Operators, 6.2.6 op:numeric-mod
Multiply	See also XQuery 1.0 and XPath 2.0 Functions and Operators, 6.2.3 op:numeric-multiply
Add	See also XQuery 1.0 and XPath 2.0 Functions and Operators, 6.2.1 op:numeric-add

Definition at line 80 of file qatomicmathematician_p.h.

        {
            Div         = 1,

            IDiv        = 2,

            Substract   = 4,

            Mod         = 8,

            Multiply    = 16,

            Add         = 32
        };

Constructors and Destructors

~AtomicMathematician()

AtomicMathematician::~AtomicMathematician ( )

virtual

Definition at line 48 of file qatomicmathematician.cpp.

{
}

Functions

calculate()

virtual Item QPatternist::AtomicMathematician::calculate ( const Item &  operand1, const Operator  op, const Item &  operand2, const QExplicitlySharedDataPointer< DynamicContext > &  context  ) const

pure virtual

Implemented in QPatternist::AbstractDateTimeMathematician, QPatternist::DateTimeDurationMathematician, QPatternist::OperandSwitcherMathematician, QPatternist::DurationDurationMathematician, QPatternist::DurationDurationDivisor, QPatternist::DurationNumericMathematician, QPatternist::IntegerMathematician, QPatternist::DecimalMathematician, and QPatternist::AbstractFloatMathematician< isDouble >.

Referenced by QPatternist::OperandSwitcherMathematician::calculate(), and QPatternist::ArithmeticExpression::flexiblyCalculate().

displayName()

QString AtomicMathematician::displayName ( const AtomicMathematician::Operator  op )

static

Definition at line 52 of file qatomicmathematician.cpp.

Referenced by QPatternist::ArithmeticExpression::fetchMathematician().

{
    switch(op)
    {
        case AtomicMathematician::Div:
            return QLatin1String("div");
        case AtomicMathematician::IDiv:
            return QLatin1String("idiv");
        case AtomicMathematician::Substract:
            return QLatin1String("-");
        case AtomicMathematician::Mod:
            return QLatin1String("mod");
        case AtomicMathematician::Multiply:
            return QLatin1String("*");
        case AtomicMathematician::Add:
            return QLatin1String("+");
    }

    return QString(); /* Silence GCC warning. */
}

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

• /src/xmlpatterns/data/qatomicmathematician_p.h
• /src/xmlpatterns/data/qatomicmathematician.cpp