public byte[] read_size_and_inflate() throws IOException {
final int size = read4BE();
final byte[] buf = new byte[size];
final java.util.zip.Inflater inflater = new java.util.zip.Inflater();
final java.util.zip.InflaterInputStream is =
new java.util.zip.InflaterInputStream(this, inflater);
try {
int pos = 0;
while (pos < size) { // Inflate fully
final int dsize = is.read(buf, pos, size - pos);
if (dsize == 0) break;
pos += dsize;
}
if (pos < size) {
throw new IOException("Decompression gave " + pos + " bytes, not " + size);
}
// Back up if the inflater read ahead:
int read_ahead = inflater.getRemaining();
setPos(getPos() - read_ahead);
} finally {
is.close();
}
return buf;
}
public EInteger read_tagged_integer() throws IOException {
int tag = read1skip_version();
switch (tag) {
case EExternal.smallIntTag:
return new ESmall(read1());
case EExternal.intTag:
return new ESmall(read4BE());
default:
setPos(getPos() - 1);
return ERT.box(new BigInteger(read_integer_byte_array()));
} // switch
}
/**
* Read an arbitrary Erlang term from the stream.
*
* @return the Erlang term.
* @exception IOException if the stream does not contain a known Erlang type at the next position.
*/
public EObject read_any() throws IOException {
// calls one of the above functions, depending on o
final int tag = peek1skip_version();
switch (tag) {
case EExternal.smallIntTag:
case EExternal.intTag:
case EExternal.smallBigTag:
case EExternal.largeBigTag:
return EInteger.read(this);
case EExternal.atomCacheRef:
case EExternal.atomTag:
case EExternal.smallAtomTag:
return EAtom.read(this);
case EExternal.floatTag:
case EExternal.newFloatTag:
return EDouble.read(this);
case EExternal.refTag:
case EExternal.newRefTag:
return ERef.read(this);
case EExternal.portTag:
return EPort.read(this);
case EExternal.pidTag:
return EPID.read(this);
case EExternal.stringTag:
return EString.read(this);
case EExternal.listTag:
case EExternal.nilTag:
if ((flags & DECODE_INT_LISTS_AS_STRINGS) != 0) {
final int savePos = getPos();
try {
return EString.read(this);
} catch (final IOException e) {
}
setPos(savePos);
}
return EList.read(this);
case EExternal.smallTupleTag:
case EExternal.largeTupleTag:
return ETuple.read(this);
case EExternal.binTag:
return EBinary.read(this);
case EExternal.bitBinTag:
return EBitString.read(this);
case EExternal.compressedTag:
return read_compressed();
case EExternal.newFunTag:
case EExternal.funTag:
return EFun.read(this);
case EExternal.externalFunTag:
return read_external_fun();
default:
throw new IOException("Unknown data type: " + tag + " at position " + getPos());
}
}