public bool TryReadRoot(ref DdbReader reader, out IReadOnlyList <Document> value)
{
var success = false;
reader.State.PushDocument();
try
{
ref var current = ref reader.State.GetCurrent();
if (DocumentJsonReader.TryReadBuffer(ref reader, ref current))
{
value = CreateDocumentsArray(current.AttributesBuffer);
return(success = true);
}
Unsafe.SkipInit(out value);
return(success = false);
}
public static bool TryReadMap(ref DdbReader reader, out Document value)
{
var success = false;
reader.State.PushDocument();
try
{
ref var current = ref reader.State.GetCurrent();
if (reader.State.UseFastPath)
{
while (true)
{
// Property name
reader.JsonReaderValue.ReadWithVerify();
if (reader.JsonReaderValue.TokenType == JsonTokenType.EndObject)
{
break;
}
current.StringBuffer.Add(GetCachedString(ref reader.JsonReaderValue, ref reader.State));
// Attribute value
reader.JsonReaderValue.ReadWithVerify();
TryReadValue(ref reader, ref current);
}
value = DocumentJsonReader.CreateDocumentFromBuffer(ref current) !;
return(success = true);
}
else
{
Unsafe.SkipInit(out value);
if (current.PropertyState != DdbStackFramePropertyState.None)
{
if (current.PropertyState < DdbStackFramePropertyState.Name)
{
current.StringBuffer.Add(GetCachedString(ref reader.JsonReaderValue, ref reader.State));
current.PropertyState = DdbStackFramePropertyState.Name;
}
if (current.PropertyState < DdbStackFramePropertyState.ReadValue)
{
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.ReadValue;
}
if (current.PropertyState < DdbStackFramePropertyState.TryRead)
{
if (!TryReadValue(ref reader, ref current))
{
return(success = false);
}
}
current.PropertyState = DdbStackFramePropertyState.None;
}
while (true)
{
// Property name
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
if (reader.JsonReaderValue.TokenType == JsonTokenType.EndObject)
{
break;
}
current.StringBuffer.Add(GetCachedString(ref reader.JsonReaderValue, ref reader.State));
current.PropertyState = DdbStackFramePropertyState.Name;
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.ReadValue;
if (!TryReadValue(ref reader, ref current))
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.None;
}
value = DocumentJsonReader.CreateDocumentFromBuffer(ref current);
return(success = true);
}
}
public bool TryReadRoot(ref DdbReader reader, out Document value) => DocumentJsonReader.TryReadMap(ref reader, out value);