///Upon return, `bb.position()` will be at the end of the message.
/// <exception cref="System.IO.IOException"/>
public static Capnproto.MessageReader Read(java.nio.ByteBuffer bb, Capnproto.ReaderOptions options)
{
bb.order(java.nio.ByteOrder.LITTLE_ENDIAN);
int segmentCount = 1 + bb.getInt();
if (segmentCount > 512)
{
throw new System.IO.IOException("too many segments");
}
java.nio.ByteBuffer[] segmentSlices = new java.nio.ByteBuffer[segmentCount];
int segmentSizesBase = bb.position();
int segmentSizesSize = segmentCount * 4;
int align = Capnproto.Constants.BYTES_PER_WORD - 1;
int segmentBase = (segmentSizesBase + segmentSizesSize + align) & ~align;
int totalWords = 0;
for (int ii = 0; ii < segmentCount; ++ii)
{
int segmentSize = bb.getInt(segmentSizesBase + ii * 4);
bb.position(segmentBase + totalWords * Capnproto.Constants.BYTES_PER_WORD);
segmentSlices[ii] = bb.slice();
segmentSlices[ii].limit(segmentSize * Capnproto.Constants.BYTES_PER_WORD);
segmentSlices[ii].order(java.nio.ByteOrder.LITTLE_ENDIAN);
totalWords += segmentSize;
}
bb.position(segmentBase + totalWords * Capnproto.Constants.BYTES_PER_WORD);
if (totalWords > options.traversalLimitInWords)
{
throw new Capnproto.DecodeException("Message size exceeds traversal limit.");
}
return(new Capnproto.MessageReader(segmentSlices, options));
}
/// <exception cref="System.IO.IOException"/>
public static Capnproto.MessageReader Read(java.nio.channels.ReadableByteChannel bc, Capnproto.ReaderOptions options)
{
java.nio.ByteBuffer firstWord = makeByteBuffer(Capnproto.Constants.BYTES_PER_WORD);
fillBuffer(firstWord, bc);
int segmentCount = 1 + firstWord.getInt(0);
int segment0Size = 0;
if (segmentCount > 0)
{
segment0Size = firstWord.getInt(4);
}
int totalWords = segment0Size;
if (segmentCount > 512)
{
throw new System.IO.IOException("too many segments");
}
//In words.
System.Collections.Generic.List <int> moreSizes = new System.Collections.Generic.List <int>();
if (segmentCount > 1)
{
java.nio.ByteBuffer moreSizesRaw = makeByteBuffer(4 * (segmentCount & ~1));
fillBuffer(moreSizesRaw, bc);
for (int ii = 0; ii < segmentCount - 1; ++ii)
{
int size = moreSizesRaw.getInt(ii * 4);
moreSizes.Add(size);
totalWords += size;
}
}
if (totalWords > options.traversalLimitInWords)
{
throw new Capnproto.DecodeException("Message size exceeds traversal limit.");
}
java.nio.ByteBuffer allSegments = makeByteBuffer(totalWords * Capnproto.Constants.BYTES_PER_WORD);
fillBuffer(allSegments, bc);
java.nio.ByteBuffer[] segmentSlices = new java.nio.ByteBuffer[segmentCount];
allSegments.rewind();
segmentSlices[0] = allSegments.slice();
segmentSlices[0].limit(segment0Size * Capnproto.Constants.BYTES_PER_WORD);
segmentSlices[0].order(java.nio.ByteOrder.LITTLE_ENDIAN);
int offset = segment0Size;
for (int ii = 1; ii < segmentCount; ++ii)
{
allSegments.position(offset * Capnproto.Constants.BYTES_PER_WORD);
segmentSlices[ii] = allSegments.slice();
segmentSlices[ii].limit(moreSizes[ii - 1] * Capnproto.Constants.BYTES_PER_WORD);
segmentSlices[ii].order(java.nio.ByteOrder.LITTLE_ENDIAN);
offset += moreSizes[ii - 1];
}
return(new Capnproto.MessageReader(segmentSlices, options));
}
/// <exception cref="System.IO.IOException"/>
public static Capnproto.MessageReader ReadFromUnbuffered(java.nio.channels.ReadableByteChannel input, Capnproto.ReaderOptions options)
{
Capnproto.PackedInputStream packedInput = new Capnproto.PackedInputStream(new Capnproto.BufferedInputStreamWrapper(input));
return(Capnproto.Serialize.Read(packedInput, options));
}
public MessageReader(java.nio.ByteBuffer[] segmentSlices, Capnproto.ReaderOptions options)
{
this.nestingLimit = options.nestingLimit;
this.arena = new Capnproto.ReaderArena(segmentSlices, options.traversalLimitInWords);
}
/// <exception cref="System.IO.IOException"/>
public static Capnproto.MessageReader Read(Capnproto.BufferedInputStream input, Capnproto.ReaderOptions options)
{
Capnproto.PackedInputStream packedInput = new Capnproto.PackedInputStream(input);
return(Capnproto.Serialize.Read(packedInput, options));
}