NumeralSystem Class Reference

Base class for all numeral systems. More...

#include <ntext.h>

Inheritance diagram for NumeralSystem:

Collaboration diagram for NumeralSystem:

Public Member Functions
	NumeralSystem ()
virtual	~NumeralSystem ()
virtual const char *	GetName ()=0
virtual const char *	GetPrefix ()=0
virtual unsigned int	GetDigits ()=0
virtual void	SetDigits (unsigned int digits)=0
virtual const char	GetFractionPoint ()=0
virtual void	SetFractionPoint (const char fractionPoint)=0
virtual const char *	GetText (Number *number)=0
virtual Number *	Parse (const char *text, unsigned int *length, char **end)=0
virtual Number *	Parse (const char *text)

Protected Attributes
CharBuffer *	buf

Detailed Description

Base class for all numeral systems.

More info on numeral systems is available at Wikipedia: https://wikipedia.org/wiki/Numeral_system

Definition at line 49 of file ntext.h.

Constructor & Destructor Documentation

NumeralSystem()

NumeralSystem::NumeralSystem

(

)

Definition at line 33 of file ntext.cpp.

References buf, CharBuffer::CharBuffer(), and CharBuffer::Empty().

{
    buf = new CharBuffer();
    buf->Empty();
}

Here is the call graph for this function:

~NumeralSystem()

NumeralSystem::~NumeralSystem ( )

virtual

Definition at line 39 of file ntext.cpp.

References buf.

{
    delete buf;
}

Member Function Documentation

GetDigits()

virtual unsigned int NumeralSystem::GetDigits ( )

pure virtual

Implemented in PositionalNumeralSystem.

Referenced by DigitsStatement::Execute(), OutputStatement::Execute(), and InputStatement::Execute().

Here is the caller graph for this function:

GetFractionPoint()

virtual const char NumeralSystem::GetFractionPoint ( )

pure virtual

Implemented in PositionalNumeralSystem.

GetName()

virtual const char* NumeralSystem::GetName ( )

pure virtual

Implemented in PositionalNumeralSystem.

Referenced by InputStatement::Execute(), and OutputStatement::Execute().

Here is the caller graph for this function:

GetPrefix()

virtual const char* NumeralSystem::GetPrefix ( )

pure virtual

Implemented in PositionalNumeralSystem.

GetText()

virtual const char* NumeralSystem::GetText ( Number *  number )

pure virtual

Implemented in PositionalNumeralSystem, and DecimalSystem.

Referenced by PlotStatement::Execute(), MemoryStatement::Execute(), DigitsStatement::Execute(), EvalStatement::Execute(), PreferencesBase::GetDescription(), PositionalNumeralSystem::GetName(), NumericValueNode::GetNodeText(), and VariableList::ListContent().

Here is the caller graph for this function:

Parse() [1/2]

virtual Number* NumeralSystem::Parse ( const char *  text, unsigned int *  length, char **  end  )

pure virtual

Implemented in PositionalNumeralSystem.

Referenced by Lexer::GetDigitValue(), and Parse().

Here is the caller graph for this function:

Parse() [2/2]

Number * NumeralSystem::Parse ( const char *  text )

virtual

Definition at line 44 of file ntext.cpp.

References Parse().

Referenced by Parser::ParseDigistStatement(), Parser::ParseNumber(), and Parser::ParseNumeralStatement().

{
    unsigned int length;
    char *end;
    return Parse(text, &length, &end);
}

Here is the call graph for this function:

Here is the caller graph for this function:

SetDigits()

virtual void NumeralSystem::SetDigits ( unsigned int  digits )

pure virtual

Implemented in PositionalNumeralSystem.

Referenced by DigitsStatement::Execute(), and PrefsStatement::Execute().

Here is the caller graph for this function:

SetFractionPoint()

virtual void NumeralSystem::SetFractionPoint ( const char  fractionPoint )

pure virtual

Implemented in PositionalNumeralSystem.

Member Data Documentation

buf

CharBuffer* NumeralSystem::buf

protected

Definition at line 65 of file ntext.h.

Referenced by PositionalNumeralSystem::GetName(), PositionalNumeralSystem::GetSpecialCase(), DecimalSystem::GetText(), PositionalNumeralSystem::GetText(), PositionalNumeralSystem::IntegerToBuffer(), NumeralSystem(), and ~NumeralSystem().

---

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

• src/lib/ntext.h
• src/lib/ntext.cpp