private static bool TryReadList(ref DdbReader reader, out List <AttributeValue> value)
{
var success = false;
reader.State.PushDocument();
try
{
ref var current = ref reader.State.GetCurrent();
if (reader.State.UseFastPath)
{
while (true)
{
// Start object or end array
reader.JsonReaderValue.ReadWithVerify();
if (reader.JsonReaderValue.TokenType == JsonTokenType.EndArray)
{
break;
}
// Attribute type
reader.JsonReaderValue.ReadWithVerify();
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
// Attribute value
reader.JsonReaderValue.ReadWithVerify();
TryReadValue(ref reader, ref current);
// End object
reader.JsonReaderValue.ReadWithVerify();
}
value = CreateListFromBuffer(ref current.AttributesBuffer);
return(success = true);
}
else
{
Unsafe.SkipInit(out value);
if (current.PropertyState != DdbStackFramePropertyState.None)
{
if (current.PropertyState < DdbStackFramePropertyState.ReadValueType)
{
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
current.PropertyState = DdbStackFramePropertyState.ReadValueType;
}
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.TryRead;
}
// End object
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.None;
}
while (true)
{
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.ReadValueStart;
if (reader.JsonReaderValue.TokenType == JsonTokenType.EndArray)
{
break;
}
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
current.PropertyState = DdbStackFramePropertyState.ReadValueType;
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.ReadValue;
if (!TryReadValue(ref reader, ref current))
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.TryRead;
// End object
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.None;
}
value = CreateListFromBuffer(ref current.AttributesBuffer);
return(success = true);
}
}
internal override bool TryRead(ref DdbReader reader, out TDictionary value)
{
Unsafe.SkipInit(out value);
var success = false;
reader.State.Push();
try
{
ref var current = ref reader.State.GetCurrent();
Dictionary <TKey, TValue> entity;
if (reader.State.UseFastPath)
{
entity = new Dictionary <TKey, TValue>();
if (ValueConverter.UseDirectRead)
{
while (true)
{
// Property name
reader.JsonReaderValue.ReadWithVerify();
if (reader.JsonReaderValue.TokenType == JsonTokenType.EndObject)
{
break;
}
var pairKey = KeyConverter.Read(ref reader);
// Start object
reader.JsonReaderValue.ReadWithVerify();
// Attribute type
reader.JsonReaderValue.ReadWithVerify();
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
// Attribute value
reader.JsonReaderValue.ReadWithVerify();
entity.Add(pairKey, ValueConverter.Read(ref reader));
// End object
reader.JsonReaderValue.ReadWithVerify();
}
}
else
{
while (true)
{
// Property name
reader.JsonReaderValue.ReadWithVerify();
if (reader.JsonReaderValue.TokenType == JsonTokenType.EndObject)
{
break;
}
var pairKey = KeyConverter.Read(ref reader);
// Start object
reader.JsonReaderValue.ReadWithVerify();
// Attribute type
reader.JsonReaderValue.ReadWithVerify();
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
// Attribute value
reader.JsonReaderValue.ReadWithVerify();
ValueConverter.TryRead(ref reader, out var pairValue);
entity.Add(pairKey, pairValue);
// End object
reader.JsonReaderValue.ReadWithVerify();
}
}
value = ToResult(entity);
return(success = true);
}
else
{
if (current.ObjectState < DdbStackFrameObjectState.CreatedObject)
{
current.ReturnValue = entity = new Dictionary <TKey, TValue>();
current.ObjectState = DdbStackFrameObjectState.CreatedObject;
}
else
{
entity = (Dictionary <TKey, TValue>)current.ReturnValue !;
}
while (true)
{
if (current.PropertyState < DdbStackFramePropertyState.ReadName)
{
// Property name
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
}
TKey pairKey;
if (current.PropertyState < DdbStackFramePropertyState.Name)
{
if (reader.JsonReaderValue.TokenType == JsonTokenType.EndObject)
{
break;
}
pairKey = KeyConverter.Read(ref reader);
current.PropertyState = DdbStackFramePropertyState.Name;
}
else
{
pairKey = (TKey)current.DictionaryKey !;
}
if (current.PropertyState < DdbStackFramePropertyState.ReadValueStart)
{
if (!reader.JsonReaderValue.Read())
{
current.DictionaryKey = pairKey;
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.ReadValueStart;
}
if (current.PropertyState < DdbStackFramePropertyState.ReadValueType)
{
if (!reader.JsonReaderValue.Read())
{
current.DictionaryKey = pairKey;
return(success = false);
}
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
current.PropertyState = DdbStackFramePropertyState.ReadValueType;
}
if (current.PropertyState < DdbStackFramePropertyState.ReadValue)
{
if (!SingleValueReadWithReadAhead(ValueConverter.CanSeek, ref reader))
{
current.DictionaryKey = pairKey;
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.ReadValue;
}
if (current.PropertyState < DdbStackFramePropertyState.TryRead)
{
TValue pairValue;
if (ValueConverter.UseDirectRead)
{
pairValue = ValueConverter.Read(ref reader);
}
else
{
if (!ValueConverter.TryRead(ref reader, out pairValue))
{
current.DictionaryKey = pairKey;
return(success = false);
}
}
entity.Add(pairKey, pairValue);
current.PropertyState = DdbStackFramePropertyState.TryRead;
}
// End object
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.None;
current.DictionaryKey = null;
current.PropertyInfo = null;
}
value = ToResult(entity);
return(success = true);
}
}
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));
// Start object
reader.JsonReaderValue.ReadWithVerify();
// Attribute type
reader.JsonReaderValue.ReadWithVerify();
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
// Attribute value
reader.JsonReaderValue.ReadWithVerify();
TryReadValue(ref reader, ref current);
// End object
reader.JsonReaderValue.ReadWithVerify();
}
value = DocumentDdbReader.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.ReadValueStart)
{
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.ReadValueStart;
}
if (current.PropertyState < DdbStackFramePropertyState.ReadValueType)
{
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
current.PropertyState = DdbStackFramePropertyState.ReadValueType;
}
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.TryRead;
}
// End object
if (!reader.JsonReaderValue.Read())
{
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.ReadValueStart;
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.AttributeType = DdbJsonReader.GetDdbAttributeType(ref reader.JsonReaderValue);
current.PropertyState = DdbStackFramePropertyState.ReadValueType;
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.ReadValue;
if (!TryReadValue(ref reader, ref current))
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.TryRead;
// End object
if (!reader.JsonReaderValue.Read())
{
return(success = false);
}
current.PropertyState = DdbStackFramePropertyState.None;
}
value = DocumentDdbReader.CreateDocumentFromBuffer(ref current);
return(success = true);
}
}
public async Task <int> EfficientReaderWithoutInternBenchmark()
{
var items = await DdbJsonReader.ReadAsync(new MemoryStream(_jsonBytes), QueryParsingOptions.Instance, false).ConfigureAwait(false);
return(items.Value !.Count);
}
