Introduction to ACF (Another C++ Framework)

//---------------------------------------------------------------------
//
// Copyright (C) 2004 Yingle Jia
//
// Permission to copy, use, modify, sell and distribute this software is 
// granted provided this copyright notice appears in all copies. 
// This software is provided "as is" without express or implied warranty, 
// and with no claim as to its suitability for any purpose.
//

#include "stdafx.h"

namespace Acf {

//---------------------------------------------------------------------
// struct Byte
//

// Static Methods

/*static*/ byte Byte::Parse(String* s, NumberStyles style)
{
    if (s == null)
        throw ArgumentNullException();

    const wchar_t* format = (style == NumberStyles::HexNumber) ? L"%x" : L"%d";

    int value = 0;
    int ret = swscanf(s->GetCString(), format, &value);
    if (ret == 0 || ret == EOF)
        throw FormatException();

    if (value > Byte::MaxValue)
        throw FormatException();

    return (byte)value;
}

/*static*/ StringPtr Byte::ToString(byte value, String* format, 
    IFormatProvider* provider)
{
    wchar_t fmt[10];

    if (format == null || format->Length == 0)
    {
        wcscpy(fmt, L"%d");
    }
    else
    {
        fmt[0] = L'%';
        wcscpy(fmt + 1, format->GetCString());
    }

    wchar_t buf[2 * _MAX_INT_DIG];
    swprintf(buf, fmt, (int)value);

    return new String(buf);
}

/*static*/ StringPtr Byte::ToString(byte value, const wchar_t* format, 
    IFormatProvider* provider)
{
    StringPtr format2 = new String(format);
    return ToString(value, format2, provider);
}

// Methods

int Byte::GetHashCode()
{
    return this->Value;
}

StringPtr Byte::ToString(String* format, IFormatProvider* provider)
{
    return ToString(this->Value, format, provider);
}

StringPtr Byte::ToString(const wchar_t* format, IFormatProvider* provider)
{
    return ToString(this->Value, format, provider);
}


//---------------------------------------------------------------------
// class ByteObject

/*override*/ bool ByteObject::Equals(Object* obj)
{
    ByteObject* o = dynamic_cast<ByteObject*>(obj);
    if (o == null)
        return false;
    else
        return (this->Value == o->Value);
}

/*override*/ int ByteObject::GetHashCode()
{
    return this->Value.GetHashCode();
}

/*override*/ StringPtr ByteObject::ToString()
{
    return this->Value.ToString();
}

/*virtual*/ StringPtr ByteObject::ToString(String* format, IFormatProvider* provider)
{
    return this->Value.ToString(format, provider);
}

} // namespace Acf