/// <summary>
/// Reads a boolean from the stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <returns>A boolean.</returns>
public static bool ReadBoolean(this BsonStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
var b = stream.ReadByte();
if (b == -1)
{
throw new EndOfStreamException();
}
return(b != 0);
}
/// <summary>
/// Reads the binary sub type.
/// </summary>
/// <param name="stream">The stream.</param>
/// <returns>The binary sub type.</returns>
public static BsonBinarySubType ReadBinarySubType(this BsonStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
var b = stream.ReadByte();
if (b == -1)
{
throw new EndOfStreamException();
}
return((BsonBinarySubType)b);
}
/// <summary>
/// Reads bytes from the stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="buffer">The buffer.</param>
/// <param name="offset">The offset.</param>
/// <param name="count">The count.</param>
public static void ReadBytes(this BsonStream stream, byte[] buffer, int offset, int count)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (buffer == null)
{
throw new ArgumentNullException("buffer");
}
if (offset < 0 || offset > buffer.Length)
{
throw new ArgumentOutOfRangeException("offset");
}
if (count < 0 || offset + count > buffer.Length)
{
throw new ArgumentOutOfRangeException("count");
}
if (count == 1)
{
var b = stream.ReadByte();
if (b == -1)
{
throw new EndOfStreamException();
}
buffer[offset] = (byte)b;
}
else
{
while (count > 0)
{
var bytesRead = stream.Read(buffer, offset, count);
if (bytesRead == 0)
{
throw new EndOfStreamException();
}
offset += bytesRead;
count -= bytesRead;
}
}
}
/// <summary>
/// Reads the BSON type.
/// </summary>
/// <param name="stream">The stream.</param>
/// <returns>The BSON type.</returns>
public static BsonType ReadBsonType(this BsonStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
var b = stream.ReadByte();
if (b == -1)
{
throw new EndOfStreamException();
}
if (!__validBsonTypes[b])
{
string message = string.Format("Invalid BsonType: {0}.", b);
throw new FormatException(message);
}
return((BsonType)b);
}
/// <summary>
/// Reads the BSON type.
/// </summary>
/// <param name="stream">The stream.</param>
/// <returns>The BSON type.</returns>
public static BsonType ReadBsonType(this BsonStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
var b = stream.ReadByte();
if (b == -1)
{
throw new EndOfStreamException();
}
if (!__validBsonTypes[b])
{
var message = string.Format("Detected unknown BSON type \"\\x{0:x2}\". Are you using the latest driver version?", b);
throw new FormatException(message);
}
return((BsonType)b);
}
/// <summary>
/// Reads a boolean from the stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <returns>A boolean.</returns>
public static bool ReadBoolean(this BsonStream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
var b = stream.ReadByte();
switch (b)
{
case -1:
throw new EndOfStreamException();
case 0:
return(false);
case 1:
return(true);
default:
throw new FormatException($"Invalid BsonBoolean value: {b}.");
}
}