DigitsStatement Class Reference

Set number of significant digits to show. More...

#include <digits.h>

Inheritance diagram for DigitsStatement:

Collaboration diagram for DigitsStatement:

Public Member Functions
	DigitsStatement ()
	Constructor used to show number of active digits. More...
	DigitsStatement (unsigned int digits)
	Constructor used to show number of active digits. More...
	~DigitsStatement ()
char *	Execute ()
Public Member Functions inherited from StatementNode
	StatementNode ()
	StatementNode (const char *text)
virtual	~StatementNode ()
NodeType	GetNodeType ()
virtual SyntaxNode *	GetNext ()
virtual char *	GetTextCode ()
void	Attach (SyntaxNode *node)
void	Detach (SyntaxNode *node)
void	Replace (SyntaxNode *n, SyntaxNode *x)
Public Member Functions inherited from SyntaxNode
	SyntaxNode ()
virtual	~SyntaxNode ()
void	SetFirstNode ()
bool	GetFirstNode () const
SyntaxNode *	GetParent () const
void	SetParent (SyntaxNode *node)
virtual ReductionType	GetReductionType ()
virtual void	ResetIterator ()

Private Attributes
bool	show
unsigned int	digits

Additional Inherited Members
Protected Attributes inherited from StatementNode
char *	statementText
Protected Attributes inherited from SyntaxNode
CharBuffer *	output
SyntaxNode *	parent
SyntaxNode *	iterator
bool	leftBottom

Detailed Description

Set number of significant digits to show.

Definition at line 39 of file digits.h.

Constructor & Destructor Documentation

DigitsStatement() [1/2]

DigitsStatement::DigitsStatement

(

)

Constructor used to show number of active digits.

Definition at line 42 of file digits.cpp.

References digits, show, and StatementNode::StatementNode().

Referenced by Parser::ParseDigistStatement().

    : StatementNode()
{
    show = true;
    digits = 0;
}

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DigitsStatement() [2/2]

DigitsStatement::DigitsStatement ( unsigned int  digits )

explicit

Constructor used to show number of active digits.

Definition at line 53 of file digits.cpp.

References digits, show, and StatementNode::StatementNode().

Referenced by Parser::ParseDigistStatement().

                                                    :
    StatementNode(), digits(digits)
{
    show = false;
}

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~DigitsStatement()

DigitsStatement::~DigitsStatement

(

)

Definition at line 59 of file digits.cpp.

{
}

Member Function Documentation

Execute()

char * DigitsStatement::Execute ( )

virtual

Implements StatementNode.

Definition at line 63 of file digits.cpp.

References CharBuffer::Append(), DecimalSystem::DecimalSystem(), digits, CharBuffer::Empty(), CharBuffer::EnsureSize(), NumeralSystem::GetDigits(), CharBuffer::GetString(), NumeralSystem::GetText(), Program::Input, Program::Output, SyntaxNode::output, Program::Preferences, RealNumber::RealNumber(), PreferencesBase::SetDigits(), NumeralSystem::SetDigits(), show, and StrLen().

{
    const char* text;

    if (!show)
    {
        Program->Input->SetDigits(digits);
        Program->Output->SetDigits(digits);
        Program->Preferences->SetDigits(digits);
        text = HELPDIGISETT;
    }
    else
    {
        text = HELPDIGISHOW;
        digits = Program->Output->GetDigits();
    }

    Number* d = new RealNumber(digits);
    NumeralSystem* ns = new DecimalSystem(2);
    const char* dtext = ns->GetText(d);
    delete d;

    output->Empty();
    output->EnsureSize(StrLen(text) + StrLen(dtext) + StrLen(NEWLINE) + 1);
    output->Append(text);
    output->Append(dtext);
    output->Append(NEWLINE);

    delete ns;
    return output->GetString();
}

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Member Data Documentation

digits

unsigned int DigitsStatement::digits

private

Definition at line 49 of file digits.h.

Referenced by DigitsStatement(), and Execute().

show

bool DigitsStatement::show

private

Definition at line 48 of file digits.h.

Referenced by DigitsStatement(), and Execute().

---

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

• src/main/statement/digits.h
• src/main/statement/digits.cpp