//write_nonblock
#endregion
#region read, read_nonblock
private static byte[] ReadAllBytes(RubyIO /*!*/ io)
{
var fixedBuffer = new byte[io.Length];
io.ReadBytes(fixedBuffer, 0, (int)io.Length);
return(fixedBuffer);
}
public static MutableString /*!*/ SystemRead(RubyIO /*!*/ self, [DefaultProtocol] int bytes)
{
var fixedBuffer = new byte[bytes];
int len = self.ReadBytes(fixedBuffer, 0, bytes);
if (len == 0)
{
throw new EOFError("end of file reached");
}
MutableString result = MutableString.CreateBinary();
result.Append(fixedBuffer, 0, len);
return(result);
}
public static MutableString /*!*/ Read(RubyIO /*!*/ self, [DefaultProtocol] int bytes, [DefaultProtocol, Optional] MutableString buffer)
{
self.AssertOpenedForReading();
if (self.IsEndOfStream())
{
return(null);
}
if (buffer == null)
{
buffer = MutableString.CreateBinary();
}
buffer.Clear();
if (!self.PreserveEndOfLines)
{
for (int i = 0; i < bytes; ++i)
{
int c = self.ReadByteNormalizeEoln();
if (c == -1)
{
return(buffer);
}
else
{
buffer.Append((byte)c);
}
}
}
else
{
var fixedBuffer = new byte[bytes];
bytes = self.ReadBytes(fixedBuffer, 0, bytes);
buffer.Append(fixedBuffer, 0, bytes);
}
return(buffer);
}
public static MutableString/*!*/ SystemRead(RubyIO/*!*/ self, [DefaultProtocol]int bytes) {
var fixedBuffer = new byte[bytes];
int len = self.ReadBytes(fixedBuffer, 0, bytes);
if (len == 0) {
throw new EOFError("end of file reached");
}
MutableString result = MutableString.CreateBinary();
result.Append(fixedBuffer, 0, len);
return result;
}
public static MutableString/*!*/ Read(RubyIO/*!*/ self, [DefaultProtocol]int bytes, [DefaultProtocol, Optional]MutableString buffer) {
self.AssertOpenedForReading();
if (self.IsEndOfStream()) {
return null;
}
if (buffer == null) {
buffer = MutableString.CreateBinary();
}
buffer.Clear();
if (!self.PreserveEndOfLines) {
for (int i = 0; i < bytes; ++i) {
int c = self.ReadByteNormalizeEoln();
if (c == -1) {
return buffer;
} else {
buffer.Append((byte)c);
}
}
} else {
var fixedBuffer = new byte[bytes];
bytes = self.ReadBytes(fixedBuffer, 0, bytes);
buffer.Append(fixedBuffer, 0, bytes);
}
return buffer;
}
private static byte[]/*!*/ ReadAllBytes(RubyIO/*!*/ io) {
var fixedBuffer = new byte[io.Length];
io.ReadBytes(fixedBuffer, 0, (int)io.Length);
return fixedBuffer;
}
