public BlittableJsonDocumentBuilder(JsonOperationContext context, UsageMode mode, string debugTag, IJsonParser reader, JsonParserState state)
{
_reader = reader;
_debugTag = debugTag;
_stream = context.GetStream();
_context = context;
_mode = mode;
_state = state;
}
public BlittableJsonReaderObject(byte *mem, int size, JsonOperationContext context, UnmanagedWriteBuffer buffer = default(UnmanagedWriteBuffer))
: base(context)
{
if (size == 0)
{
ThrowOnZeroSize(size);
}
_isRoot = true;
_buffer = buffer;
_mem = mem; // get beginning of memory pointer
_size = size; // get document size
NoCache = NoCache;
byte offset;
var propOffsetStart = _size - 2;
var propsOffset = ReadVariableSizeIntInReverse(_mem, propOffsetStart, out offset);
// init document level properties
SetupPropertiesAccess(mem, propsOffset);
// get pointer to property names array on document level
// init root level object properties
var objStartOffset = ReadVariableSizeIntInReverse(_mem, propOffsetStart - offset, out offset);
// get offset of beginning of data of the main object
byte propCountOffset;
_propCount = ReadVariableSizeInt(objStartOffset, out propCountOffset); // get main object properties count
_objStart = objStartOffset + mem;
_metadataPtr = objStartOffset + mem + propCountOffset;
// get pointer to current objects property tags metadata collection
var currentType = (BlittableJsonToken)(*(mem + size - sizeof(byte)));
// get current type byte flags
// analyze main object type and it's offset and propertyIds flags
_currentOffsetSize = ProcessTokenOffsetFlags(currentType);
_currentPropertyIdSize = ProcessTokenPropertyFlags(currentType);
}
