protected override void Check()
{
// Check file header
if (InReader.ReadUInt64() != 0x4d4144464e455443)
{
throw new FileLoadException($"Failed to verify header of \"{InPath}\".");
}
// Skip ahead
_ = InBuffer.Seek(2, SeekOrigin.Current);
}
/// <summary>
/// Reads an option from <see cref="InReader"/>.
/// </summary>
/// <param name="prompt">A message to prompt the user with.</param>
/// <returns>
/// The option read from <see cref="InReader"/>.
/// </returns>
protected string ReadOption(string prompt)
{
string option;
do
{
OutWriter.Write($"{prompt}: ");
option = InReader.ReadLine();
} while (string.IsNullOrEmpty(option));
return(option);
}
private byte[] ReadIndexedChunk(byte?obfuscator)
{
int chunkSize = InReader.ReadInt32();
if (chunkSize > 0)
{
byte[] chunk = new byte[chunkSize];
InBuffer.Read(chunk, 0, chunkSize);
if (obfuscator != null)
{
for (int i = 0; i < chunkSize; i++)
{
chunk[i] ^= obfuscator.Value;
}
}
return(chunk);
}
else
{
throw new NullFileChunkException("Failed to load file chunk.");
}
}
public override void Dispose()
{
InReader.Dispose();
base.Dispose();
}