private unsafe bool AboutToReadPropertyNameInternal(IJsonParser reader, JsonParserState state)
{
if (_state != State.None)
{
if (!AboutToReadWithStateUnlikely(reader, state))
return false;
}
_state = State.None;
while (true)
{
if (reader.Read() == false)
return false;
if (state.CurrentTokenType != JsonParserToken.String)
return true; // let the caller handle that
if (_readingMetadataObject == false)
{
if (state.StringSize == 9 && state.StringBuffer[0] == (byte)'@' && *(long*)(state.StringBuffer + 1) == 7022344802737087853)
_readingMetadataObject = true;
return true;
}
if (AboutToReadPropertyNameInMetadataUnlikely(reader, state, out bool aboutToReadPropertyName))
return aboutToReadPropertyName;
}
}
private bool ReadMaybeModifiedPropertyName()
{
if (_modifier != null)
{
return(_modifier.AboutToReadPropertyName(_reader, _state));
}
return(_reader.Read());
}
private bool ReadMaybeModifiedPropertyName()
{
return(_reader.Read());
}
public bool Read()
{
if (_continuationState.Count == 0)
{
return(false); //nothing to do
}
var currentState = _continuationState.Pop();
while (true)
{
switch (currentState.State)
{
case ContinuationState.ReadObjectDocument:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
currentState.State = ContinuationState.ReadObject;
continue;
case ContinuationState.ReadArrayDocument:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
var fakeFieldName = _context.GetLazyStringForFieldWithCaching("_");
var propIndex = _context.CachedProperties.GetPropertyId(fakeFieldName);
currentState.CurrentPropertyId = propIndex;
currentState.MaxPropertyId = propIndex;
currentState.FirstWrite = _position;
currentState.Properties = new List <PropertyTag>
{
new PropertyTag
{
PropertyId = propIndex
}
};
currentState.State = ContinuationState.CompleteDocumentArray;
_continuationState.Push(currentState);
currentState = new BuildingState
{
State = ContinuationState.ReadArray
};
continue;
case ContinuationState.CompleteDocumentArray:
currentState.Properties[0].Type = (byte)_writeToken.WrittenToken;
currentState.Properties[0].Position = _writeToken.ValuePos;
// Register property position, name id (PropertyId) and type (object type and metadata)
_writeToken = FinalizeObjectWrite(currentState.Properties, currentState.FirstWrite, currentState.MaxPropertyId);
return(true);
case ContinuationState.ReadObject:
if (_state.CurrentTokenType != JsonParserToken.StartObject)
{
throw new InvalidDataException("Expected start of object, but got " + _state.CurrentTokenType);
}
currentState.State = ContinuationState.ReadPropertyName;
currentState.Properties = new List <PropertyTag>();
currentState.FirstWrite = _position;
continue;
case ContinuationState.ReadArray:
if (_state.CurrentTokenType != JsonParserToken.StartArray)
{
throw new InvalidDataException("Expected start of array, but got " + _state.CurrentTokenType);
}
currentState.Types = new List <BlittableJsonToken>();
currentState.Positions = new List <int>();
currentState.State = ContinuationState.ReadArrayValue;
continue;
case ContinuationState.ReadArrayValue:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
if (_state.CurrentTokenType == JsonParserToken.EndArray)
{
currentState.State = ContinuationState.CompleteArray;
continue;
}
currentState.State = ContinuationState.CompleteArrayValue;
_continuationState.Push(currentState);
currentState = new BuildingState
{
State = ContinuationState.ReadValue
};
continue;
case ContinuationState.CompleteArrayValue:
currentState.Types.Add(_writeToken.WrittenToken);
currentState.Positions.Add(_writeToken.ValuePos);
currentState.State = ContinuationState.ReadArrayValue;
continue;
case ContinuationState.CompleteArray:
var arrayInfoStart = _position;
var arrayToken = BlittableJsonToken.StartArray;
_position += WriteVariableSizeInt(currentState.Positions.Count);
if (currentState.Positions.Count == 0)
{
arrayToken |= BlittableJsonToken.OffsetSizeByte;
_writeToken = new WriteToken
{
ValuePos = arrayInfoStart,
WrittenToken = arrayToken
};
}
else
{
var distanceFromFirstItem = arrayInfoStart - currentState.Positions[0];
var distanceTypeSize = SetOffsetSizeFlag(ref arrayToken, distanceFromFirstItem);
for (var i = 0; i < currentState.Positions.Count; i++)
{
WriteNumber(arrayInfoStart - currentState.Positions[i], distanceTypeSize);
_position += distanceTypeSize;
_stream.WriteByte((byte)currentState.Types[i]);
_position++;
}
_writeToken = new WriteToken
{
ValuePos = arrayInfoStart,
WrittenToken = arrayToken
};
}
currentState = _continuationState.Pop();
continue;
case ContinuationState.ReadPropertyName:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
if (_state.CurrentTokenType == JsonParserToken.EndObject)
{
_writeToken = FinalizeObjectWrite(currentState.Properties, currentState.FirstWrite,
currentState.MaxPropertyId);
if (_continuationState.Count == 0)
{
return(true);
}
currentState = _continuationState.Pop();
continue;
}
if (_state.CurrentTokenType != JsonParserToken.String)
{
throw new InvalidDataException("Expected property, but got " + _state.CurrentTokenType);
}
var property = CreateLazyStringValueFromParserState();
if (_state.EscapePositions.Count > 0)
{
property.EscapePositions = _state.EscapePositions.ToArray();
}
currentState.CurrentPropertyId = _context.CachedProperties.GetPropertyId(property);
currentState.MaxPropertyId = Math.Max(currentState.MaxPropertyId, currentState.CurrentPropertyId);
currentState.State = ContinuationState.ReadPropertyValue;
continue;
case ContinuationState.ReadPropertyValue:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
currentState.State = ContinuationState.CompleteReadingPropertyValue;
_continuationState.Push(currentState);
currentState = new BuildingState
{
State = ContinuationState.ReadValue
};
continue;
case ContinuationState.CompleteReadingPropertyValue:
// Register property position, name id (PropertyId) and type (object type and metadata)
currentState.Properties.Add(new PropertyTag
{
Position = _writeToken.ValuePos,
Type = (byte)_writeToken.WrittenToken,
PropertyId = currentState.CurrentPropertyId
});
currentState.State = ContinuationState.ReadPropertyName;
continue;
case ContinuationState.ReadValue:
ReadJsonValue();
currentState = _continuationState.Pop();
break;
}
}
}
private bool AboutToReadWithStateUnlikely(IJsonParser reader, JsonParserState state)
{
switch (_state)
{
case State.None:
break;
case State.IgnoreProperty:
if (reader.Read() == false)
{
return(false);
}
if (state.CurrentTokenType == JsonParserToken.StartArray ||
state.CurrentTokenType == JsonParserToken.StartObject)
{
ThrowInvalidMetadataProperty(state);
}
break;
case State.IgnoreArray:
if (_verifyStartArray)
{
if (reader.Read() == false)
{
return(false);
}
_verifyStartArray = false;
if (state.CurrentTokenType != JsonParserToken.StartArray)
{
ThrowInvalidReplicationHistoryType(state);
}
}
while (state.CurrentTokenType != JsonParserToken.EndArray)
{
if (reader.Read() == false)
{
return(false);
}
}
break;
case State.IgnoreRevisionStatusProperty:
if (reader.Read() == false)
{
return(false);
}
if (state.CurrentTokenType != JsonParserToken.String &&
state.CurrentTokenType != JsonParserToken.Integer)
{
ThrowInvalidEtagType(state);
}
switch (CreateLazyStringValueFromParserState(state))
{
case LegacyHasRevisionsDocumentState:
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyHasRevisions;
break;
case LegacyRevisionState:
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyRevision;
break;
}
break;
case State.ReadingId:
if (reader.Read() == false)
{
return(false);
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.Id, state);
}
Id = CreateLazyStringValueFromParserState(state);
break;
case State.ReadingFlags:
if (reader.Read() == false)
{
return(false);
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.Flags, state);
}
Flags = ReadFlags(state);
break;
case State.ReadingChangeVector:
if (reader.Read() == false)
{
return(false);
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.ChangeVector, state);
}
ChangeVector = CreateLazyStringValueFromParserState(state);
break;
case State.ReadingFirstEtagOfLegacyRevision:
if (reader.Read() == false)
{
return(false);
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowExpectedFieldTypeOfString("@etag", state);
}
_firstEtagOfLegacyRevision = CreateLazyStringValueFromParserState(state);
ChangeVector = ChangeVectorUtils.NewChangeVector("RV", ++_legacyRevisionsCount, new Guid(_firstEtagOfLegacyRevision));
break;
}
return(true);
}
private unsafe bool AboutToReadPropertyNameInMetadataUnlikely(IJsonParser reader, JsonParserState state, out bool aboutToReadPropertyName)
{
aboutToReadPropertyName = true;
switch (state.StringSize)
{
default: // accept this property
{
return(true);
}
case -1: // IgnoreProperty
{
if (reader.Read() == false)
{
_state = State.IgnoreProperty;
{
aboutToReadPropertyName = false;
return(true);
}
}
if (state.CurrentTokenType == JsonParserToken.StartArray ||
state.CurrentTokenType == JsonParserToken.StartObject)
{
ThrowInvalidMetadataProperty(state);
}
break;
}
case 3: // @id
if (state.StringBuffer[0] != (byte)'@' ||
*(short *)(state.StringBuffer + 1) != 25705)
{
aboutToReadPropertyName = true;
return(true);
}
if (reader.Read() == false)
{
_state = State.ReadingId;
{
aboutToReadPropertyName = false;
return(true);
}
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.Id, state);
}
Id = CreateLazyStringValueFromParserState(state);
break;
case 5: // @etag
if (state.StringBuffer[0] != (byte)'@' ||
*(int *)(state.StringBuffer + 1) != 1734440037)
{
aboutToReadPropertyName = true;
return(true);
}
if (ReadFirstEtagOfLegacyRevision &&
(NonPersistentFlags & NonPersistentDocumentFlags.LegacyRevision) == NonPersistentDocumentFlags.LegacyRevision)
{
if (_firstEtagOfLegacyRevision == null)
{
if (reader.Read() == false)
{
_state = State.ReadingFirstEtagOfLegacyRevision;
{
aboutToReadPropertyName = false;
return(true);
}
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowExpectedFieldTypeOfString("@etag", state);
}
_firstEtagOfLegacyRevision = CreateLazyStringValueFromParserState(state);
ChangeVector = ChangeVectorUtils.NewChangeVector("RV", ++_legacyRevisionsCount, new Guid(_firstEtagOfLegacyRevision));
break;
}
ChangeVector = ChangeVectorUtils.NewChangeVector("RV", ++_legacyRevisionsCount, new Guid(_firstEtagOfLegacyRevision));
}
goto case -1;
case 6: // @flags
if (state.StringBuffer[0] != (byte)'@' ||
*(int *)(state.StringBuffer + 1) != 1734437990 ||
state.StringBuffer[1 + sizeof(int)] != (byte)'s')
{
aboutToReadPropertyName = true;
return(true);
}
if (reader.Read() == false)
{
_state = State.ReadingFlags;
{
aboutToReadPropertyName = false;
return(true);
}
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.Flags, state);
}
Flags = ReadFlags(state);
break;
case 12: // @index-score
if (state.StringBuffer[0] != (byte)'@' ||
*(long *)(state.StringBuffer + 1) != 7166121427196997225 ||
*(short *)(state.StringBuffer + 1 + sizeof(long)) != 29295 ||
state.StringBuffer[1 + sizeof(long) + sizeof(short)] != (byte)'e')
{
aboutToReadPropertyName = true;
return(true);
}
goto case -1;
case 13: //Last-Modified
if (*(long *)state.StringBuffer != 7237087983830262092 ||
*(int *)(state.StringBuffer + sizeof(long)) != 1701406313 ||
state.StringBuffer[12] != (byte)'d')
{
aboutToReadPropertyName = true;
return(true);
}
goto case -1;
case 14:
if (state.StringBuffer[0] == (byte)'@')
{
// @change-vector
if (*(long *)(state.StringBuffer + 1) == 8515573965335390307 &&
*(int *)(state.StringBuffer + 1 + sizeof(long)) == 1869898597 &&
state.StringBuffer[1 + sizeof(long) + sizeof(int)] == (byte)'r')
{
if (reader.Read() == false)
{
_state = State.ReadingChangeVector;
{
aboutToReadPropertyName = false;
return(true);
}
}
if (state.CurrentTokenType != JsonParserToken.String)
{
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.ChangeVector, state);
}
ChangeVector = CreateLazyStringValueFromParserState(state);
break;
}
// @last-modified
if (*(long *)(state.StringBuffer + 1) == 7237123168202350956 &&
*(int *)(state.StringBuffer + 1 + sizeof(long)) == 1701406313 &&
state.StringBuffer[1 + sizeof(long) + sizeof(int)] == (byte)'d')
{
goto case -1;
}
}
{
aboutToReadPropertyName = true;
return(true);
}
case 15: //Raven-Read-Only
if (*(long *)state.StringBuffer != 7300947898092904786 ||
*(int *)(state.StringBuffer + sizeof(long)) != 1328374881 ||
*(short *)(state.StringBuffer + sizeof(long) + sizeof(int)) != 27758 ||
state.StringBuffer[14] != (byte)'y')
{
aboutToReadPropertyName = true;
return(true);
}
goto case -1;
case 17: //Raven-Entity-Name --> @collection
if (*(long *)state.StringBuffer != 7945807069737017682 ||
*(long *)(state.StringBuffer + sizeof(long)) != 7881666780093245812 ||
state.StringBuffer[16] != (byte)'e')
{
aboutToReadPropertyName = true;
return(true);
}
var collection = _metadataCollections;
state.StringBuffer = collection.AllocatedMemoryData.Address;
state.StringSize = collection.Size;
{
aboutToReadPropertyName = true;
return(true);
}
case 19: //Raven-Last-Modified
if (*(long *)state.StringBuffer != 7011028672080929106 ||
*(long *)(state.StringBuffer + sizeof(long)) != 7379539893622240371 ||
*(short *)(state.StringBuffer + sizeof(long) + sizeof(long)) != 25961 ||
state.StringBuffer[18] != (byte)'d')
{
aboutToReadPropertyName = true;
return(true);
}
goto case -1;
case 21: //Raven-Expiration-Date
if (*(long *)state.StringBuffer != 8666383010116297042 ||
*(long *)(state.StringBuffer + sizeof(long)) != 7957695015158966640 ||
*(short *)(state.StringBuffer + sizeof(long) + sizeof(long)) != 17453 ||
state.StringBuffer[20] != (byte)'e')
{
aboutToReadPropertyName = true;
return(true);
}
var expires = _metadataExpires;
state.StringBuffer = expires.AllocatedMemoryData.Address;
state.StringSize = expires.Size;
{
aboutToReadPropertyName = true;
return(true);
}
case 23: //Raven-Document-Revision
if (*(long *)state.StringBuffer != 8017583188798234962 ||
*(long *)(state.StringBuffer + sizeof(long)) != 5921517102558967139 ||
*(int *)(state.StringBuffer + sizeof(long) + sizeof(long)) != 1936291429 ||
*(short *)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(int)) != 28521 ||
state.StringBuffer[22] != (byte)'n')
{
aboutToReadPropertyName = true;
return(true);
}
goto case -1;
case 24: //Raven-Replication-Source
if (*(long *)state.StringBuffer != 7300947898092904786 ||
*(long *)(state.StringBuffer + sizeof(long)) != 8028075772393122928 ||
*(long *)(state.StringBuffer + sizeof(long) + sizeof(long)) != 7305808869229538670)
{
aboutToReadPropertyName = true;
return(true);
}
goto case -1;
case 25: //Raven-Replication-Version OR Raven-Replication-History
if (*(long *)state.StringBuffer != 7300947898092904786 ||
*(long *)(state.StringBuffer + sizeof(long)) != 8028075772393122928)
{
aboutToReadPropertyName = true;
return(true);
}
var value = *(long *)(state.StringBuffer + sizeof(long) + sizeof(long));
var lastByte = state.StringBuffer[24];
if ((value != 8028074745928232302 || lastByte != (byte)'n') &&
(value != 8245937481775066478 || lastByte != (byte)'y'))
{
aboutToReadPropertyName = true;
return(true);
}
var isReplicationHistory = lastByte == (byte)'y';
if (reader.Read() == false)
{
_verifyStartArray = isReplicationHistory;
_state = isReplicationHistory ? State.IgnoreArray : State.IgnoreProperty;
{
aboutToReadPropertyName = false;
return(true);
}
}
// Raven-Replication-History is an array
if (isReplicationHistory)
{
if (state.CurrentTokenType != JsonParserToken.StartArray)
{
ThrowInvalidReplicationHistoryType(state);
}
do
{
if (reader.Read() == false)
{
_state = State.IgnoreArray;
{
aboutToReadPropertyName = false;
return(true);
}
}
} while (state.CurrentTokenType != JsonParserToken.EndArray);
}
else if (state.CurrentTokenType == JsonParserToken.StartArray ||
state.CurrentTokenType == JsonParserToken.StartObject)
{
ThrowInvalidMetadataProperty(state);
}
break;
case 29: //Non-Authoritative-Information
if (*(long *)state.StringBuffer != 7526769800038477646 ||
*(long *)(state.StringBuffer + sizeof(long)) != 8532478930943832687 ||
*(long *)(state.StringBuffer + sizeof(long) + sizeof(long)) != 7886488383206796645 ||
*(int *)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long)) != 1869182049 ||
state.StringBuffer[28] != (byte)'n')
{
aboutToReadPropertyName = true;
return(true);
}
goto case -1;
case 30: //Raven-Document-Parent-Revision OR Raven-Document-Revision-Status
if (*(long *)state.StringBuffer != 8017583188798234962)
{
aboutToReadPropertyName = true;
return(true);
}
if ((*(long *)(state.StringBuffer + sizeof(long)) != 5777401914483111267 ||
*(long *)(state.StringBuffer + sizeof(long) + sizeof(long)) != 7300947924012593761 ||
*(int *)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long)) != 1769171318 ||
*(short *)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long) + sizeof(int)) != 28271) &&
(*(long *)(state.StringBuffer + sizeof(long)) != 5921517102558967139 ||
*(long *)(state.StringBuffer + sizeof(long) + sizeof(long)) != 3273676477843469925 ||
*(int *)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long)) != 1952543827 ||
*(short *)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long) + sizeof(int)) != 29557))
{
aboutToReadPropertyName = true;
return(true);
}
var isRevisionStatusProperty = state.StringBuffer[29] == 's';
if (reader.Read() == false)
{
_state = isRevisionStatusProperty ? State.IgnoreRevisionStatusProperty : State.IgnoreProperty;
{
aboutToReadPropertyName = false;
return(true);
}
}
if (state.CurrentTokenType == JsonParserToken.StartArray ||
state.CurrentTokenType == JsonParserToken.StartObject)
{
ThrowInvalidMetadataProperty(state);
}
if (isRevisionStatusProperty)
{
switch (CreateLazyStringValueFromParserState(state))
{
case LegacyHasRevisionsDocumentState:
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyHasRevisions;
break;
case LegacyRevisionState:
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyRevision;
break;
}
}
break;
case 32: //Raven-Replication-Merged-History
if (*(long *)state.StringBuffer != 7300947898092904786 ||
*(long *)(state.StringBuffer + sizeof(long)) != 8028075772393122928 ||
*(long *)(state.StringBuffer + sizeof(long) + sizeof(long)) != 7234302117464059246 ||
*(long *)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long)) != 8751179571877464109)
{
aboutToReadPropertyName = true;
return(true);
}
goto case -1;
}
return(false);
}
private bool AboutToReadWithStateUnlikely(IJsonParser reader, JsonParserState state)
{
switch (_state)
{
case State.None:
break;
case State.IgnoreProperty:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType == JsonParserToken.StartArray ||
state.CurrentTokenType == JsonParserToken.StartObject)
ThrowInvalidMetadataProperty(state, reader);
break;
case State.IgnoreArray:
if (_verifyStartArray)
{
if (reader.Read() == false)
return false;
_verifyStartArray = false;
if (state.CurrentTokenType != JsonParserToken.StartArray)
ThrowInvalidReplicationHistoryType(state, reader);
}
while (state.CurrentTokenType != JsonParserToken.EndArray)
{
if (reader.Read() == false)
return false;
}
break;
case State.IgnoreRevisionStatusProperty:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType != JsonParserToken.String &&
state.CurrentTokenType != JsonParserToken.Integer)
ThrowInvalidEtagType(state, reader);
switch (CreateLazyStringValueFromParserState(state))
{
case LegacyHasRevisionsDocumentState:
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyHasRevisions;
break;
case LegacyRevisionState:
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyRevision;
break;
}
break;
case State.ReadingId:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.Id, state, reader);
Id = CreateLazyStringValueFromParserState(state);
break;
case State.ReadingFlags:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.Flags, state, reader);
Flags = ReadFlags(state);
break;
case State.ReadingLastModified:
case State.ReadingLegacyLastModified:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.LastModified, state, reader);
LastModified = ReadDateTime(state, reader, _state);
break;
case State.ReadingLegacyDeleteMarker:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType == JsonParserToken.True)
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyDeleteMarker;
break;
case State.ReadingChangeVector:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.ChangeVector, state, reader);
ChangeVector = CreateLazyStringValueFromParserState(state);
break;
case State.ReadingFirstEtagOfLegacyRevision:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString("@etag", state, reader);
FirstEtagOfLegacyRevision = LegacyEtag = CreateLazyStringValueFromParserState(state);
ChangeVector = ChangeVectorUtils.NewChangeVector("RV", ++LegacyRevisionsCount, new Guid(FirstEtagOfLegacyRevision).ToBase64Unpadded());
break;
case State.ReadingEtag:
if (reader.Read() == false)
return false;
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString("@etag", state, reader);
LegacyEtag = CreateLazyStringValueFromParserState(state);
break;
}
return true;
}
private unsafe bool AboutToReadPropertyNameInMetadataUnlikely(IJsonParser reader, JsonParserState state, out bool aboutToReadPropertyName)
{
aboutToReadPropertyName = true;
switch (state.StringSize)
{
default: // accept this property
{
return true;
}
case -2: // IgnoreArrayProperty
{
if (state.CurrentTokenType != JsonParserToken.StartArray)
ThrowInvalidArrayType(state, reader);
while (state.CurrentTokenType != JsonParserToken.EndArray)
{
if (reader.Read() == false)
{
_state = State.IgnoreArray;
aboutToReadPropertyName = false;
return true;
}
}
break;
}
case -1: // IgnoreProperty
{
if (reader.Read() == false)
{
_state = State.IgnoreProperty;
aboutToReadPropertyName = false;
return true;
}
if (state.CurrentTokenType == JsonParserToken.StartArray ||
state.CurrentTokenType == JsonParserToken.StartObject)
ThrowInvalidMetadataProperty(state, reader);
break;
}
case 3: // @id
if (state.StringBuffer[0] != (byte)'@' ||
*(short*)(state.StringBuffer + 1) != 25705)
{
aboutToReadPropertyName = true;
return true;
}
if (reader.Read() == false)
{
_state = State.ReadingId;
aboutToReadPropertyName = false;
return true;
}
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.Id, state, reader);
Id = CreateLazyStringValueFromParserState(state);
break;
case 5: // @etag
if (state.StringBuffer[0] != (byte)'@' ||
*(int*)(state.StringBuffer + 1) != 1734440037)
{
aboutToReadPropertyName = true;
return true;
}
if (ReadFirstEtagOfLegacyRevision &&
(NonPersistentFlags & NonPersistentDocumentFlags.LegacyRevision) == NonPersistentDocumentFlags.LegacyRevision)
{
if (FirstEtagOfLegacyRevision == null)
{
if (reader.Read() == false)
{
_state = State.ReadingFirstEtagOfLegacyRevision;
aboutToReadPropertyName = false;
return true;
}
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString("@etag", state, reader);
FirstEtagOfLegacyRevision = LegacyEtag = CreateLazyStringValueFromParserState(state);
ChangeVector = ChangeVectorUtils.NewChangeVector("RV", ++LegacyRevisionsCount, new Guid(FirstEtagOfLegacyRevision).ToBase64Unpadded());
break;
}
ChangeVector = ChangeVectorUtils.NewChangeVector("RV", ++LegacyRevisionsCount, new Guid(FirstEtagOfLegacyRevision).ToBase64Unpadded());
}
if (ReadLegacyEtag)
{
if (reader.Read() == false)
{
_state = State.ReadingEtag;
aboutToReadPropertyName = false;
return true;
}
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString("@etag", state, reader);
LegacyEtag = CreateLazyStringValueFromParserState(state);
break;
}
goto case -1;
case 6: // @flags
if (state.StringBuffer[0] != (byte)'@' ||
*(int*)(state.StringBuffer + 1) != 1734437990 ||
state.StringBuffer[1 + sizeof(int)] != (byte)'s')
{
aboutToReadPropertyName = true;
return true;
}
if (reader.Read() == false)
{
_state = State.ReadingFlags;
aboutToReadPropertyName = false;
return true;
}
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.Flags, state, reader);
Flags = ReadFlags(state);
break;
case 9: // @counters
// always remove the @counters metadata
// not doing so might cause us to have counter on the document but not in the storage.
// the counters will be updated when we import the counters themselves
if (state.StringBuffer[0] != (byte)'@' ||
*(long*)(state.StringBuffer + 1) != 8318823012450529123)
{
aboutToReadPropertyName = true;
return true;
}
SeenCounters = true;
if (reader.Read() == false)
{
_verifyStartArray = true;
_state = State.IgnoreArray;
aboutToReadPropertyName = false;
return true;
}
goto case -2;
case 12: // @index-score OR @attachments
if (state.StringBuffer[0] == (byte)'@')
{ // @index-score
if (*(long*)(state.StringBuffer + 1) == 7166121427196997225 &&
*(short*)(state.StringBuffer + 1 + sizeof(long)) == 29295 &&
state.StringBuffer[1 + sizeof(long) + sizeof(short)] == (byte)'e')
{
goto case -1;
}
// @attachments
SeenAttachments = true;
if (OperateOnTypes.HasFlag(DatabaseItemType.Attachments) == false &&
*(long*)(state.StringBuffer + 1) == 7308612546338255969 &&
*(short*)(state.StringBuffer + 1 + sizeof(long)) == 29806 &&
state.StringBuffer[1 + sizeof(long) + sizeof(short)] == (byte)'s')
{
if (reader.Read() == false)
{
_verifyStartArray = true;
_state = State.IgnoreArray;
aboutToReadPropertyName = false;
return true;
}
goto case -2;
}
}
aboutToReadPropertyName = true;
return true;
case 13: //Last-Modified
if (*(long*)state.StringBuffer != 7237087983830262092 ||
*(int*)(state.StringBuffer + sizeof(long)) != 1701406313 ||
state.StringBuffer[12] != (byte)'d')
{
aboutToReadPropertyName = true;
return true;
}
goto case -1;
case 14:
if (state.StringBuffer[0] == (byte)'@')
{
// @change-vector
if (*(long*)(state.StringBuffer + 1) == 8515573965335390307 &&
*(int*)(state.StringBuffer + 1 + sizeof(long)) == 1869898597 &&
state.StringBuffer[1 + sizeof(long) + sizeof(int)] == (byte)'r')
{
if (reader.Read() == false)
{
_state = State.ReadingChangeVector;
aboutToReadPropertyName = false;
return true;
}
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.ChangeVector, state, reader);
ChangeVector = CreateLazyStringValueFromParserState(state);
break;
}
// @last-modified
if (*(long*)(state.StringBuffer + 1) == 7237123168202350956 &&
*(int*)(state.StringBuffer + 1 + sizeof(long)) == 1701406313 &&
state.StringBuffer[1 + sizeof(long) + sizeof(int)] == (byte)'d')
{
if (reader.Read() == false)
{
_state = State.ReadingLastModified;
aboutToReadPropertyName = false;
return true;
}
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(Constants.Documents.Metadata.LastModified, state, reader);
LastModified = ReadDateTime(state, reader, State.ReadingLastModified);
break;
}
}
aboutToReadPropertyName = true;
return true;
case 15: //Raven-Read-Only
if (*(long*)state.StringBuffer != 7300947898092904786 ||
*(int*)(state.StringBuffer + sizeof(long)) != 1328374881 ||
*(short*)(state.StringBuffer + sizeof(long) + sizeof(int)) != 27758 ||
state.StringBuffer[14] != (byte)'y')
{
aboutToReadPropertyName = true;
return true;
}
goto case -1;
case 17: //Raven-Entity-Name --> @collection
if (*(long*)state.StringBuffer != 7945807069737017682 ||
*(long*)(state.StringBuffer + sizeof(long)) != 7881666780093245812 ||
state.StringBuffer[16] != (byte)'e')
{
aboutToReadPropertyName = true;
return true;
}
var collection = _metadataCollections;
state.StringBuffer = collection.AllocatedMemoryData.Address;
state.StringSize = collection.Size;
aboutToReadPropertyName = true;
return true;
case 19: //Raven-Last-Modified or Raven-Delete-Marker
if (*(int*)state.StringBuffer != 1702256978 ||
*(short*)(state.StringBuffer + sizeof(int)) != 11630)
{
aboutToReadPropertyName = true;
return true;
}
var longValue = *(long*)(state.StringBuffer + sizeof(int) + sizeof(short));
var intValue = *(int*)(state.StringBuffer + sizeof(int) + sizeof(short) + sizeof(long));
if ((longValue != 7237087983830262092 || intValue != 1701406313) && // long: Last-Mod, int: ifie
(longValue != 5561212665464644932 || intValue != 1701540449)) // long: Delete-M, int: arke
{
aboutToReadPropertyName = true;
return true;
}
var lb = state.StringBuffer[18];
if (lb != (byte)'d' && lb != (byte)'r')
{
aboutToReadPropertyName = true;
return true;
}
var isLegacyLastModified = lb == (byte)'d';
if (reader.Read() == false)
{
_state = isLegacyLastModified ? State.ReadingLegacyLastModified : State.ReadingLegacyDeleteMarker;
aboutToReadPropertyName = false;
return true;
}
if (isLegacyLastModified)
{
if (state.CurrentTokenType != JsonParserToken.String)
ThrowExpectedFieldTypeOfString(LegacyLastModified, state, reader);
LastModified = ReadDateTime(state, reader, State.ReadingLegacyLastModified);
}
else
{
if (state.CurrentTokenType == JsonParserToken.True)
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyDeleteMarker;
}
break;
case 21: //Raven-Expiration-Date
if (*(long*)state.StringBuffer != 8666383010116297042 ||
*(long*)(state.StringBuffer + sizeof(long)) != 7957695015158966640 ||
*(short*)(state.StringBuffer + sizeof(long) + sizeof(long)) != 17453 ||
state.StringBuffer[20] != (byte)'e')
{
aboutToReadPropertyName = true;
return true;
}
var expires = _metadataExpires;
state.StringBuffer = expires.AllocatedMemoryData.Address;
state.StringSize = expires.Size;
aboutToReadPropertyName = true;
return true;
case 23: //Raven-Document-Revision
if (*(long*)state.StringBuffer != 8017583188798234962 ||
*(long*)(state.StringBuffer + sizeof(long)) != 5921517102558967139 ||
*(int*)(state.StringBuffer + sizeof(long) + sizeof(long)) != 1936291429 ||
*(short*)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(int)) != 28521 ||
state.StringBuffer[22] != (byte)'n')
{
aboutToReadPropertyName = true;
return true;
}
goto case -1;
case 24: //Raven-Replication-Source
if (*(long*)state.StringBuffer != 7300947898092904786 ||
*(long*)(state.StringBuffer + sizeof(long)) != 8028075772393122928 ||
*(long*)(state.StringBuffer + sizeof(long) + sizeof(long)) != 7305808869229538670)
{
aboutToReadPropertyName = true;
return true;
}
goto case -1;
case 25: //Raven-Replication-Version OR Raven-Replication-History
if (*(long*)state.StringBuffer != 7300947898092904786 ||
*(long*)(state.StringBuffer + sizeof(long)) != 8028075772393122928)
{
aboutToReadPropertyName = true;
return true;
}
var value = *(long*)(state.StringBuffer + sizeof(long) + sizeof(long));
var lastByte = state.StringBuffer[24];
if ((value != 8028074745928232302 || lastByte != (byte)'n') &&
(value != 8245937481775066478 || lastByte != (byte)'y'))
{
aboutToReadPropertyName = true;
return true;
}
var isReplicationHistory = lastByte == (byte)'y';
if (reader.Read() == false)
{
_verifyStartArray = isReplicationHistory;
_state = isReplicationHistory ? State.IgnoreArray : State.IgnoreProperty;
aboutToReadPropertyName = false;
return true;
}
// Raven-Replication-History is an array
if (isReplicationHistory)
{
goto case -2;
}
else if (state.CurrentTokenType == JsonParserToken.StartArray ||
state.CurrentTokenType == JsonParserToken.StartObject)
ThrowInvalidMetadataProperty(state, reader);
break;
case 29: //Non-Authoritative-Information
if (*(long*)state.StringBuffer != 7526769800038477646 ||
*(long*)(state.StringBuffer + sizeof(long)) != 8532478930943832687 ||
*(long*)(state.StringBuffer + sizeof(long) + sizeof(long)) != 7886488383206796645 ||
*(int*)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long)) != 1869182049 ||
state.StringBuffer[28] != (byte)'n')
{
aboutToReadPropertyName = true;
return true;
}
goto case -1;
case 30: //Raven-Document-Parent-Revision OR Raven-Document-Revision-Status
if (*(long*)state.StringBuffer != 8017583188798234962)
{
aboutToReadPropertyName = true;
return true;
}
if ((*(long*)(state.StringBuffer + sizeof(long)) != 5777401914483111267 ||
*(long*)(state.StringBuffer + sizeof(long) + sizeof(long)) != 7300947924012593761 ||
*(int*)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long)) != 1769171318 ||
*(short*)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long) + sizeof(int)) != 28271) &&
(*(long*)(state.StringBuffer + sizeof(long)) != 5921517102558967139 ||
*(long*)(state.StringBuffer + sizeof(long) + sizeof(long)) != 3273676477843469925 ||
*(int*)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long)) != 1952543827 ||
*(short*)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long) + sizeof(int)) != 29557))
{
aboutToReadPropertyName = true;
return true;
}
var isRevisionStatusProperty = state.StringBuffer[29] == 's';
if (reader.Read() == false)
{
_state = isRevisionStatusProperty ? State.IgnoreRevisionStatusProperty : State.IgnoreProperty;
aboutToReadPropertyName = false;
return true;
}
if (state.CurrentTokenType == JsonParserToken.StartArray ||
state.CurrentTokenType == JsonParserToken.StartObject)
ThrowInvalidMetadataProperty(state, reader);
if (isRevisionStatusProperty)
{
switch (CreateLazyStringValueFromParserState(state))
{
case LegacyHasRevisionsDocumentState:
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyHasRevisions;
break;
case LegacyRevisionState:
NonPersistentFlags |= NonPersistentDocumentFlags.LegacyRevision;
break;
}
}
break;
case 32: //Raven-Replication-Merged-History
if (*(long*)state.StringBuffer != 7300947898092904786 ||
*(long*)(state.StringBuffer + sizeof(long)) != 8028075772393122928 ||
*(long*)(state.StringBuffer + sizeof(long) + sizeof(long)) != 7234302117464059246 ||
*(long*)(state.StringBuffer + sizeof(long) + sizeof(long) + sizeof(long)) != 8751179571877464109)
{
aboutToReadPropertyName = true;
return true;
}
goto case -1;
}
return false;
}
public virtual bool Read()
{
if (_continuationState.Count == 0)
{
return(false); //nothing to do
}
var currentState = _continuationState.Pop();
while (true)
{
switch (currentState.State)
{
case ContinuationState.ReadObjectDocument:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
currentState.State = ContinuationState.ReadObject;
continue;
case ContinuationState.ReadArrayDocument:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
var fakeFieldName = _context.GetLazyStringForFieldWithCaching("_");
var propIndex = _context.CachedProperties.GetPropertyId(fakeFieldName);
currentState.CurrentPropertyId = propIndex;
currentState.MaxPropertyId = propIndex;
currentState.FirstWrite = _writer.Position;
currentState.Properties = new List <PropertyTag>
{
new PropertyTag
{
PropertyId = propIndex
}
};
currentState.State = ContinuationState.CompleteDocumentArray;
_continuationState.Push(currentState);
currentState = new BuildingState
{
State = ContinuationState.ReadArray
};
continue;
case ContinuationState.CompleteDocumentArray:
currentState.Properties[0].Type = (byte)_writeToken.WrittenToken;
currentState.Properties[0].Position = _writeToken.ValuePos;
// Register property position, name id (PropertyId) and type (object type and metadata)
_writeToken = _writer.WriteObjectMetadata(currentState.Properties, currentState.FirstWrite, currentState.MaxPropertyId);
return(true);
case ContinuationState.ReadObject:
if (_state.CurrentTokenType != JsonParserToken.StartObject)
{
throw new InvalidDataException("Expected start of object, but got " + _state.CurrentTokenType);
}
currentState.State = ContinuationState.ReadPropertyName;
currentState.Properties = new List <PropertyTag>();
currentState.FirstWrite = _writer.Position;
continue;
case ContinuationState.ReadArray:
if (_state.CurrentTokenType != JsonParserToken.StartArray)
{
throw new InvalidDataException("Expected start of array, but got " + _state.CurrentTokenType);
}
currentState.Types = new List <BlittableJsonToken>();
currentState.Positions = new List <int>();
currentState.State = ContinuationState.ReadArrayValue;
continue;
case ContinuationState.ReadArrayValue:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
if (_state.CurrentTokenType == JsonParserToken.EndArray)
{
currentState.State = ContinuationState.CompleteArray;
continue;
}
currentState.State = ContinuationState.CompleteArrayValue;
_continuationState.Push(currentState);
currentState = new BuildingState
{
State = ContinuationState.ReadValue
};
continue;
case ContinuationState.CompleteArrayValue:
currentState.Types.Add(_writeToken.WrittenToken);
currentState.Positions.Add(_writeToken.ValuePos);
currentState.State = ContinuationState.ReadArrayValue;
continue;
case ContinuationState.CompleteArray:
var arrayToken = BlittableJsonToken.StartArray;
var arrayInfoStart = _writer.WriteArrayMetadata(currentState.Positions, currentState.Types,
ref arrayToken);
_writeToken = new WriteToken
{
ValuePos = arrayInfoStart,
WrittenToken = arrayToken
};
currentState = _continuationState.Pop();
continue;
case ContinuationState.ReadPropertyName:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
if (_state.CurrentTokenType == JsonParserToken.EndObject)
{
_writeToken = _writer.WriteObjectMetadata(currentState.Properties, currentState.FirstWrite,
currentState.MaxPropertyId);
if (_continuationState.Count == 0)
{
return(true);
}
currentState = _continuationState.Pop();
continue;
}
if (_state.CurrentTokenType != JsonParserToken.String)
{
throw new InvalidDataException("Expected property, but got " + _state.CurrentTokenType);
}
var property = CreateLazyStringValueFromParserState();
currentState.CurrentPropertyId = _context.CachedProperties.GetPropertyId(property);
currentState.MaxPropertyId = Math.Max(currentState.MaxPropertyId, currentState.CurrentPropertyId);
currentState.State = ContinuationState.ReadPropertyValue;
continue;
case ContinuationState.ReadPropertyValue:
if (_reader.Read() == false)
{
_continuationState.Push(currentState);
return(false);
}
currentState.State = ContinuationState.CompleteReadingPropertyValue;
_continuationState.Push(currentState);
currentState = new BuildingState
{
State = ContinuationState.ReadValue
};
continue;
case ContinuationState.CompleteReadingPropertyValue:
// Register property position, name id (PropertyId) and type (object type and metadata)
currentState.Properties.Add(new PropertyTag
{
Position = _writeToken.ValuePos,
Type = (byte)_writeToken.WrittenToken,
PropertyId = currentState.CurrentPropertyId
});
currentState.State = ContinuationState.ReadPropertyName;
continue;
case ContinuationState.ReadValue:
ReadJsonValue();
currentState = _continuationState.Pop();
break;
}
}
}