// newBitReader returns a new bitReader reading from r. If r is not
// already an io.ByteReader, it will be converted via a bufio.Reader.
private static bitReader newBitReader(io.Reader r)
{
io.ByteReader(byter, ok) = r._ <io.ByteReader>();
if (!ok)
{
byter = bufio.NewReader(r);
}
return(new bitReader(r: byter));
}
// NewChunkedReader returns a new chunkedReader that translates the data read from r
// out of HTTP "chunked" format before returning it.
// The chunkedReader returns io.EOF when the final 0-length chunk is read.
//
// NewChunkedReader is not needed by normal applications. The http package
// automatically decodes chunking when reading response bodies.
public static io.Reader NewChunkedReader(io.Reader r)
{
ptr <bufio.Reader> (br, ok) = r._ <ptr <bufio.Reader> >();
if (!ok)
{
br = bufio.NewReader(r);
}
return(addr(new chunkedReader(r: br)));
}
// NewReaderSize returns a new Reader whose buffer has at least the specified
// size. If the argument io.Reader is already a Reader with large enough
// size, it returns the underlying Reader.
// NewReaderSize returns a new Reader whose buffer has at least the specified
// size. If the argument io.Reader is already a Reader with large enough
// size, it returns the underlying Reader.
public static ptr <Reader> NewReaderSize(io.Reader rd, long size)
{
// Is it already a Reader?
ptr <Reader> (b, ok) = rd._ <ptr <Reader> >();
if (ok && len(b.buf) >= size)
{
return(_addr_b !);
}
if (size < minReadBufferSize)
{
size = minReadBufferSize;
}
ptr <Reader> r = @new <Reader>();
r.reset(make_slice <byte>(size), rd);
return(_addr_r !);
}
// NewDecoder returns a new decoder that reads from the io.Reader.
// If r does not also implement io.ByteReader, it will be wrapped in a
// bufio.Reader.
public static ptr <Decoder> NewDecoder(io.Reader r)
{
ptr <Decoder> dec = @new <Decoder>();
// We use the ability to read bytes as a plausible surrogate for buffering.
{
io.ByteReader(_, ok) = r._ <io.ByteReader>();
if (!ok)
{
r = bufio.NewReader(r);
}
}
dec.r = r;
dec.wireType = make_map <typeId, ptr <wireType> >();
dec.decoderCache = make_map <reflect.Type, map <typeId, ptr <ptr <decEngine> > > >();
dec.ignorerCache = make_map <typeId, ptr <ptr <decEngine> > >();
dec.countBuf = make_slice <byte>(9L); // counts may be uint64s (unlikely!), require 9 bytes
return(_addr_dec !);
}