/// <summary>
/// Returns the number of bytes the copy commands length argument occupies.
/// </summary>
/// <param name="command">The copy command to evaluate</param>
/// <returns>The number of bytes the copy commands length argument occupies.</returns>
public static int GetCopyLengthSize(CopyDeltaCommand command)
{
int response;
switch (command)
{
case CopyDeltaCommand.Copy_Byte_Byte:
case CopyDeltaCommand.Copy_Short_Byte:
case CopyDeltaCommand.Copy_Int_Byte:
case CopyDeltaCommand.Copy_Long_Byte: {
response = 1;
break;
}
case CopyDeltaCommand.Copy_Byte_Short:
case CopyDeltaCommand.Copy_Short_Short:
case CopyDeltaCommand.Copy_Int_Short:
case CopyDeltaCommand.Copy_Long_Short: {
response = 2;
break;
}
case CopyDeltaCommand.Copy_Byte_Int:
case CopyDeltaCommand.Copy_Short_Int:
case CopyDeltaCommand.Copy_Int_Int:
case CopyDeltaCommand.Copy_Long_Int: {
response = 4;
break;
}
case CopyDeltaCommand.Copy_Byte_Long:
case CopyDeltaCommand.Copy_Short_Long:
case CopyDeltaCommand.Copy_Int_Long:
case CopyDeltaCommand.Copy_Long_Long: {
response = 8;
break;
}
default: {
throw new Exception(string.Format(Strings.RDiffBinary.InvalidDeltaCopyCommandError, command));
}
}
return(response);
}
/// <summary>
/// Returns the number of bytes the copy commands offset argument occupies.
/// </summary>
/// <param name="command">The copy command to evaluate</param>
/// <returns>The number of bytes the copy commands offset argument occupies.</returns>
public static int GetCopyOffsetSize(CopyDeltaCommand command)
{
switch (command)
{
case CopyDeltaCommand.Copy_Byte_Byte:
case CopyDeltaCommand.Copy_Byte_Short:
case CopyDeltaCommand.Copy_Byte_Int:
case CopyDeltaCommand.Copy_Byte_Long:
return 1;
case CopyDeltaCommand.Copy_Short_Byte:
case CopyDeltaCommand.Copy_Short_Short:
case CopyDeltaCommand.Copy_Short_Int:
case CopyDeltaCommand.Copy_Short_Long:
return 2;
case CopyDeltaCommand.Copy_Int_Byte:
case CopyDeltaCommand.Copy_Int_Short:
case CopyDeltaCommand.Copy_Int_Int:
case CopyDeltaCommand.Copy_Int_Long:
return 4;
case CopyDeltaCommand.Copy_Long_Byte:
case CopyDeltaCommand.Copy_Long_Short:
case CopyDeltaCommand.Copy_Long_Int:
case CopyDeltaCommand.Copy_Long_Long:
return 8;
default:
throw new Exception(string.Format(Strings.RDiffBinary.InvalidDeltaCopyCommandError, command));
}
}
