public EndianWriter(Stream output, Endianness endianess, Encoding encoding, bool leaveOpen)
{
if (output == null)
{
throw new ArgumentNullException(nameof(output));
}
if (encoding == null)
{
throw new ArgumentNullException(nameof(encoding));
}
if (!output.CanWrite)
{
throw new ArgumentException("Can't write to the output stream", nameof(output));
}
Contract.EndContractBlock();
OutStream = output;
buffer = new byte[16];
Encoding = encoding;
encoder = Encoding.GetEncoder();
this.leaveOpen = leaveOpen;
Endianess = endianess;
resolvedEndianess = EndianessHelper.Resolve(endianess);
}
public EndianReader(Stream input, Endianness endianess, Encoding encoding, bool leaveOpen)
{
if (input == null)
{
throw new ArgumentNullException(nameof(input));
}
if (encoding == null)
{
throw new ArgumentNullException(nameof(encoding));
}
if (!input.CanRead)
{
throw new ArgumentException("Can't read from the output stream", nameof(input));
}
Contract.EndContractBlock();
BaseStream = input;
decoder = encoding.GetDecoder();
maxCharsSize = encoding.GetMaxCharCount(MaxCharBytesSize);
var minBufferSize = encoding.GetMaxByteCount(1); // max bytes per one char
if (minBufferSize < 16)
{
minBufferSize = 16;
}
buffer = new byte[minBufferSize];
// m_charBuffer and m_charBytes will be left null.
// For Encodings that always use 2 bytes per char (or more),
// special case them here to make Read() & Peek() faster.
use2BytesPerChar = encoding is UnicodeEncoding;
this.leaveOpen = leaveOpen;
Endianness = endianess;
resolvedEndianess = EndianessHelper.Resolve(endianess);
Contract.Assert(decoder != null, "[EndianReader.ctor]m_decoder!=null");
}
