public List <FatDirectoryArea> LongFileNames = new List <FatDirectoryArea>(); //if any
public bool GetAttributeStatus(StructureUnit aUnitWithAttributes, FileAttribute attribute)
{
byte val = Conversion.HexToByteArray(aUnitWithAttributes.Value)[0];
var mask = ((byte)attribute & val);
return(mask == (byte)attribute);
}
private static void ProcessUnitType_Ascii(ref StructureUnit unit, ref RichTextBox rtb)
{
rtb.AppendText("\n");
rtb.AppendText($"\t\tASCII representation:".PadRight(padRightLarge) +
$"{Conversion.HexToAscii(unit.Value)}", unit.UnitColor);
//rtb.AppendText("\n");
}
private static void ProcessUnitType_TimeTenthofSeconds(ref StructureUnit unit, ref RichTextBox rtb)
{
var valueDecimal = Conversion.HexLittleEndianToInt(unit.Value);
rtb.AppendText("\n");
rtb.AppendText($"\t\tValue in Tenth of Seconds:".PadRight(padRightLittle) +
$"{valueDecimal}", unit.UnitColor);
}
private static void ProcessUnitType_SizeInBytes(ref StructureUnit unit, ref RichTextBox rtb)
{
var bigEndian = Conversion.ConvertLittleEndianToBigEndianandViceVersa(unit.Value);
var valueDecimal = Conversion.HexLittleEndianToInt(unit.Value);
rtb.AppendText("\n");
rtb.AppendText($"\t\tSize in Bytes:\t" +
$"0x{bigEndian} == {valueDecimal} (D)", unit.UnitColor);
}
private static void ProcessUnitType_SizeInSectorsLittleEndian(ref StructureUnit unit, ref RichTextBox rtb)
{
PrintLittleEndianConversion(ref rtb, unit.Value, unit.UnitColor);
var valueDecimal = Conversion.HexLittleEndianToInt(unit.Value);
var location = valueDecimal * Common.BlockSizeInBytes;
rtb.AppendText($"\n\t\tMultiply by sector size({Common.BlockSizeInBytes} bytes):".PadRight(padRightLarge)
+ $"0x{location.ToString("X8")} == {location} (D) ",
unit.UnitColor);
}
private static void ProcessUnitType_TimeHms(ref StructureUnit unit, ref RichTextBox rtb)
{
string binary = Helpers.Conversion.HexToBinaryLittleEndian(unit.Value);
var second = (2 * Helpers.Conversion.BinaryToInt(binary.Substring(16 - 5, 5))).ToString();
var minute = Helpers.Conversion.BinaryToInt(binary.Substring(16 - 5 - 6, 6));
var hour = (Helpers.Conversion.BinaryToInt(binary.Substring(16 - 5 - 6 - 5, 5))).ToString();
rtb.AppendText("\n");
rtb.AppendText($"\t\t Hour:Minute:Second = {hour}:{minute}:{second}", unit.UnitColor);
}
private static void ProcessUnitType_Date(ref StructureUnit unit, ref RichTextBox rtb)
{
string binary = Helpers.Conversion.HexToBinaryLittleEndian(unit.Value);
var day = (Helpers.Conversion.BinaryToInt(binary.Substring(16 - 5, 5))).ToString();
var month = Helpers.Conversion.BinaryToInt(binary.Substring(16 - 9, 4));
var year = (1980 + Helpers.Conversion.BinaryToInt(binary.Substring(0, 7))).ToString();
rtb.AppendText("\n");
rtb.AppendText($"\t\t Day/Month/Year = {day}/{month}/{year}", unit.UnitColor);
}
private static void ProcessUnitType(StructureUnit unit, ref RichTextBox rtb)
{
switch (unit.Type)
{
case UnitType.Default:
break;
case UnitType.Vbr:
break;
case UnitType.SizeInSectorsLittleEndian:
ProcessUnitType_SizeInSectorsLittleEndian(ref unit, ref rtb);
break;
case UnitType.LittleEndianHex:
ProcessUnitType_LittleEndianHex(ref unit, ref rtb);
break;
case UnitType.Ascii:
ProcessUnitType_Ascii(ref unit, ref rtb);
break;
case UnitType.TimeTenthofSeconds:
ProcessUnitType_TimeTenthofSeconds(ref unit, ref rtb);
break;
case UnitType.TimeHms:
ProcessUnitType_TimeHms(ref unit, ref rtb);
break;
case UnitType.Day:
ProcessUnitType_Date(ref unit, ref rtb);
break;
case UnitType.SizeInBytes:
ProcessUnitType_SizeInBytes(ref unit, ref rtb);
break;
case UnitType.FatDirectoryEntryAttributes:
ProcessUnitType_FatDirectoryEntryAttributes(ref unit, ref rtb);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
private static void ProcessUnitType_FatDirectoryEntryAttributes(ref StructureUnit unit, ref RichTextBox rtb)
{
rtb.AppendText("\n");
rtb.AppendText($"\t\tFlags[", unit.UnitColor);
string toPrint = "";
foreach (var anAttribute in Enum.GetValues(typeof(FileAttribute)))
{
//_logger.LogMessage($"{at.ToString()} : {at} : {(byte)at}",LogMsgType.Debug);
byte val = Conversion.HexToByteArray(unit.Value)[0];
var mask = ((byte)anAttribute & val);
if (mask == (byte)anAttribute)
{
if (!string.IsNullOrEmpty(toPrint))
{
toPrint += "+";
}
toPrint += anAttribute;
}
}
rtb.AppendText($"{toPrint}]", unit.UnitColor);
//List<Tuple<byte, string>> masksList = new List<Tuple<byte, string>>
//{
// new Tuple<byte, string>(0x01, "Read Only"),
// new Tuple<byte, string>(0x02, "Hidden File"),
// new Tuple<byte, string>(0x04, "System File"),
// new Tuple<byte, string>(0x08, "Volume Label"),
// new Tuple<byte, string>(0x0f, "Long File Name"),
// new Tuple<byte, string>(0x10, "Directory"),
// new Tuple<byte, string>(0x20, "Archive")
//};
//rtb.AppendText("\n");
//rtb.AppendText($"\t\tFlags[",unit.UnitColor);
//foreach (var tuple in masksList)
//{
// byte val= Conversion.HexToByteArray(unit.Value)[0];
// var mask = (tuple.Item1 & val);
// if (mask == tuple.Item1)
// {
// rtb.AppendText($"{tuple.Item2}+",unit.UnitColor);
// }
//}
}
private static void ProcessUnitType_LittleEndianHex(ref StructureUnit unit, ref RichTextBox rtb)
{
rtb.AppendText("\n");
PrintLittleEndianConversion(ref rtb, unit.Value, unit.UnitColor);
}
