/// <summary>
/// Creates a new CodedInputStream reading data from the given
/// stream and buffer, using the default limits.
/// </summary>
internal CodedInputStream(Stream input, byte[] buffer, int bufferPos, int bufferSize, bool leaveOpen)
{
this.input = input;
this.buffer = buffer;
this.state.bufferPos = bufferPos;
this.state.bufferSize = bufferSize;
this.state.sizeLimit = DefaultSizeLimit;
this.state.recursionLimit = DefaultRecursionLimit;
SegmentedBufferHelper.Initialize(this, out this.state.segmentedBufferHelper);
this.leaveOpen = leaveOpen;
this.state.currentLimit = int.MaxValue;
}
internal static void Initialize(ReadOnlySequence <byte> input, int recursionLimit, out ParseContext ctx)
{
ctx.buffer = default;
ctx.state = default;
ctx.state.lastTag = 0;
ctx.state.recursionDepth = 0;
ctx.state.sizeLimit = DefaultSizeLimit;
ctx.state.recursionLimit = recursionLimit;
ctx.state.currentLimit = int.MaxValue;
SegmentedBufferHelper.Initialize(input, out ctx.state.segmentedBufferHelper, out ctx.buffer);
ctx.state.bufferPos = 0;
ctx.state.bufferSize = ctx.buffer.Length;
ctx.state.DiscardUnknownFields = false;
ctx.state.ExtensionRegistry = null;
}