PreferencesBase Class Reference

#include <preferences.h>

Inheritance diagram for PreferencesBase:

Collaboration diagram for PreferencesBase:

Public Member Functions
	PreferencesBase ()
virtual	~PreferencesBase ()
char *	GetDescription () const
char *	GetPrompt () const
void	SetPrompt (const char *prompt)
int	GetDigits () const
void	SetDigits (int digits)
bool	GetRefactorNames ()
void	SetRefactorNames (bool yes)
void	SetDefaults ()
virtual bool	Load ()=0
virtual bool	Keep ()=0
virtual bool	Save ()=0

Static Protected Member Functions
static void	SetPrefs (char *prefs)

Private Attributes
CharBuffer *	buf
char *	prompt
int	digits
bool	refactorNames

Detailed Description

Definition at line 35 of file preferences.h.

Constructor & Destructor Documentation

PreferencesBase()

PreferencesBase::PreferencesBase

(

)

Definition at line 41 of file preferences.cpp.

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

{
    buf = new CharBuffer();
    SetDefaults();
}

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~PreferencesBase()

PreferencesBase::~PreferencesBase ( )

virtual

Definition at line 47 of file preferences.cpp.

References buf, and prompt.

{
    delete buf;
    delete prompt;
}

Member Function Documentation

GetDescription()

char * PreferencesBase::GetDescription

(

)

const

Definition at line 60 of file preferences.cpp.

References CharBuffer::Append(), buf, DecimalSystem::DecimalSystem(), CharBuffer::Empty(), CharBuffer::EnsureSize(), Lexer::FindKeyword(), GetDigits(), CharBuffer::GetString(), NumeralSystem::GetText(), prompt, RealNumber::RealNumber(), StrLen(), symdelimiter, symdigits, and symprompt.

Referenced by PrefsStatement::Execute().

{
    static char* promptkw = Lexer::FindKeyword(symprompt);
    static char* digitkw = Lexer::FindKeyword(symdigits);
    static char delimiter = *(Lexer::FindKeyword(symdelimiter));
    static char promptq = '"';

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

    buf->Empty();
    buf->EnsureSize(
        StrLen(promptkw) + sizeof(SPACE) + sizeof(promptq) +
        StrLen(prompt) + sizeof(promptq) + sizeof(delimiter) +
        StrLen(digitkw) + sizeof(SPACE) + StrLen(dtext) + sizeof(delimiter) + sizeof(char));

    buf->Append(promptkw);
    buf->Append(SPACE);
    buf->Append(promptq);
    buf->Append(prompt);
    buf->Append(promptq);
    buf->Append(delimiter);
    buf->Append(digitkw);
    buf->Append(SPACE);
    buf->Append(dtext);
    buf->Append(delimiter);

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

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GetDigits()

int PreferencesBase::GetDigits

(

)

const

Definition at line 118 of file preferences.cpp.

References digits.

Referenced by PrefsStatement::Execute(), GetDescription(), and Program::Program().

{
    return digits;
}

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GetPrompt()

char * PreferencesBase::GetPrompt

(

)

const

Definition at line 107 of file preferences.cpp.

References prompt.

Referenced by PrefsStatement::Execute(), and StandardProgram::Initialize().

{
    return prompt;
}

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GetRefactorNames()

bool PreferencesBase::GetRefactorNames

(

)

Definition at line 128 of file preferences.cpp.

References refactorNames.

Referenced by FunctionNode::GetNodeText().

{
    return refactorNames;
}

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Keep()

virtual bool PreferencesBase::Keep ( )

pure virtual

Implemented in StandardPreferences.

Referenced by PrefsStatement::Execute(), and Program::~Program().

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Load()

virtual bool PreferencesBase::Load ( )

pure virtual

Implemented in StandardPreferences.

Referenced by PrefsStatement::Execute(), and StandardProgram::Start().

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Save()

virtual bool PreferencesBase::Save ( )

pure virtual

Implemented in StandardPreferences.

Referenced by PrefsStatement::Execute().

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SetDefaults()

void PreferencesBase::SetDefaults

(

)

Definition at line 53 of file preferences.cpp.

References AllocAndCopy(), digits, prompt, and refactorNames.

Referenced by PreferencesBase().

{
    AllocAndCopy(&this->prompt, "> ");
    digits = 9;
    refactorNames = false;
}

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SetDigits()

void PreferencesBase::SetDigits

(

int

digits

)

Definition at line 123 of file preferences.cpp.

References digits.

Referenced by DigitsStatement::Execute().

{
    this->digits = digits;
}

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SetPrefs()

void PreferencesBase::SetPrefs ( char *  prefs )

staticprotected

Definition at line 93 of file preferences.cpp.

References SyntaxNode::Execute(), Parser::Parse(), and Parser::Parser().

{
    if (prefs == nullptr)
    {
        return;
    }

    Parser* parser = new Parser(prefs);
    SyntaxNode* node = parser->Parse();
    delete parser;
    node->Execute();
    delete node;
}

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SetPrompt()

void PreferencesBase::SetPrompt

(

const char *

prompt

)

Definition at line 112 of file preferences.cpp.

References AllocAndCopy(), and prompt.

Referenced by Program::SetPrompt().

{
    delete this->prompt;
    AllocAndCopy(&this->prompt, prompt);
}

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SetRefactorNames()

void PreferencesBase::SetRefactorNames

(

bool

yes

)

Definition at line 133 of file preferences.cpp.

References refactorNames.

{
    refactorNames = yes;
}

Member Data Documentation

buf

CharBuffer* PreferencesBase::buf

private

Definition at line 56 of file preferences.h.

Referenced by GetDescription(), PreferencesBase(), and ~PreferencesBase().

digits

int PreferencesBase::digits

private

Definition at line 58 of file preferences.h.

Referenced by GetDigits(), SetDefaults(), and SetDigits().

prompt

char* PreferencesBase::prompt

private

Definition at line 57 of file preferences.h.

Referenced by GetDescription(), GetPrompt(), SetDefaults(), SetPrompt(), and ~PreferencesBase().

refactorNames

bool PreferencesBase::refactorNames

private

Definition at line 59 of file preferences.h.

Referenced by GetRefactorNames(), SetDefaults(), and SetRefactorNames().

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

• src/system/preferences.h
• src/system/preferences.cpp