/// <inheritdoc />
public async Task <byte[]> PeekBytesAsync(int count)
{
if (isPrendedBytesFinished)
{
return(await DecoratedReader.PeekBytesAsync(count)
.ConfigureAwait(false));
}
else
{
byte[] bytes = null;
if (count <= PrependedBytes.Length - ByteCount)
{
bytes = PrependedBytes.Skip(ByteCount)
.Take(count)
.ToArray();
}
else //We need to combine
{
bytes = PrependedBytes.Skip(ByteCount)
.Concat(await DecoratedReader.PeekBytesAsync(count - (PrependedBytes.Length - ByteCount)).ConfigureAwait(false))
.ToArray();
}
//Peeking so don't move the bytecount forward
return(bytes);
}
}
/// <inheritdoc />
public async Task <byte[]> ReadBytesAsync(int count)
{
if (isPrendedBytesFinished)
{
return(await DecoratedReader.ReadBytesAsync(count)
.ConfigureAwait(false));
}
else
{
byte[] bytes = null;
if (count <= PrependedBytes.Length - ByteCount)
{
bytes = PrependedBytes.Skip(ByteCount)
.Take(count)
.ToArray();
}
else //We need to combine
{
bytes = PrependedBytes.Skip(ByteCount)
.Concat(await DecoratedReader.ReadBytesAsync(count - (PrependedBytes.Length - ByteCount)).ConfigureAwait(false))
.ToArray();
}
//Set the byte count as finished or forward as many as possible
ByteCount = Math.Min(count + ByteCount, PrependedBytes.Length);
return(bytes);
}
}
/// <inheritdoc />
public override byte[] ReadBytes(int count)
{
if (isPrendedBytesFinished)
{
return(DecoratedReader.ReadBytes(count));
}
else
{
byte[] bytes = null;
if (count <= PrependedBytes.Length - ByteCount)
{
bytes = PrependedBytes.Skip(ByteCount)
.Take(count)
.ToArray();
}
else //We need to combine
{
bytes = PrependedBytes.Skip(ByteCount)
.Concat(DecoratedReader.ReadBytes(count - (PrependedBytes.Length - ByteCount)))
.ToArray();
}
//Set the byte count as finished or forward as many as possible
ByteCount = Math.Min(count + ByteCount, PrependedBytes.Length);
return(bytes);
}
}
/// <inheritdoc />
public override byte[] PeekBytes(int count)
{
if (isPrendedBytesFinished)
{
return(DecoratedReader.PeekBytes(count));
}
else
{
byte[] bytes = null;
if (count <= PrependedBytes.Length - ByteCount)
{
bytes = PrependedBytes.Skip(ByteCount)
.Take(count)
.ToArray();
}
else //We need to combine
{
bytes = PrependedBytes.Skip(ByteCount)
.Concat(DecoratedReader.PeekBytes(count - (PrependedBytes.Length - ByteCount)))
.ToArray();
}
//Peeking so don't move the bytecount forward
return(bytes);
}
}
/// <inheritdoc />
public override byte[] ReadAllBytes()
{
if (isPrendedBytesFinished)
{
return(DecoratedReader.ReadAllBytes());
}
else
{
return(PrependedBytes.Skip(ByteCount)
.Concat(DecoratedReader.ReadAllBytes())
.ToArray());
}
}
/// <inheritdoc />
public async Task <byte[]> ReadAllBytesAsync()
{
if (isPrendedBytesFinished)
{
return(await DecoratedReader.ReadAllBytesAsync()
.ConfigureAwait(false));
}
else
{
return(PrependedBytes.Skip(ByteCount)
.Concat(await DecoratedReader.ReadAllBytesAsync().ConfigureAwait(false))
.ToArray());
}
}
