PrefsStatement Class Reference

Load or save preferences. More...

#include <prefs.h>

Inheritance diagram for PrefsStatement:

Collaboration diagram for PrefsStatement:

Public Member Functions
	PrefsStatement ()
	PrefsStatement (Symbol argument)
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
Symbol	argument

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

Load or save preferences.

Definition at line 40 of file prefs.h.

Constructor & Destructor Documentation

PrefsStatement() [1/2]

PrefsStatement::PrefsStatement

(

)

Definition at line 35 of file prefs.cpp.

References argument, and StatementNode::StatementNode().

Referenced by Parser::ParsePrefsStatement().

    : StatementNode()
{
    argument = Symbol(0);
}

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PrefsStatement() [2/2]

PrefsStatement::PrefsStatement ( Symbol  argument )

explicit

Definition at line 41 of file prefs.cpp.

References argument.

Referenced by Parser::ParsePrefsStatement().

{
    this->argument = argument;
}

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Member Function Documentation

Execute()

char * PrefsStatement::Execute ( )

virtual

Implements StatementNode.

Definition at line 46 of file prefs.cpp.

References argument, Program::Console, PreferencesBase::GetDescription(), PreferencesBase::GetDigits(), PreferencesBase::GetPrompt(), Program::Input, PreferencesBase::Keep(), PreferencesBase::Load(), Program::Output, Program::Preferences, PreferencesBase::Save(), NumeralSystem::SetDigits(), ConsoleBase::SetPrompt(), symload, and symsave.

{
    bool success;

    if (argument == symsave)
    {
        success = Program->Preferences->Keep();
        success &= Program->Preferences->Save();
        return (success ? HELPPREFSAVE : HELPPREFNOSA);
    }

    if (argument == symload)
    {
        success = Program->Preferences->Load();

        if (success)
        {
            Program->Console->SetPrompt(Program->Preferences->GetPrompt());
            Program->Input->SetDigits(Program->Preferences->GetDigits());
            Program->Output->SetDigits(Program->Preferences->GetDigits());
            return HELPPREFLOAD;
        }

        return HELPPREFNOLO;
    }

    return Program->Preferences->GetDescription();
}

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Member Data Documentation

argument

Symbol PrefsStatement::argument

private

Definition at line 48 of file prefs.h.

Referenced by Execute(), and PrefsStatement().

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

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