public static GroupListOverlay <T> Factory(
IBinaryReadStream stream,
ReadOnlyMemorySlice <byte> data,
BinaryOverlayFactoryPackage package,
ObjectType objectType,
int offset)
{
List <int> locations = new List <int>();
stream.Position -= package.MetaData.Constants.GroupConstants.HeaderLength;
var groupMeta = stream.GetGroup(package);
var finalPos = stream.Position + groupMeta.TotalLength;
stream.Position += package.MetaData.Constants.GroupConstants.HeaderLength;
// Parse locations
while (stream.Position < finalPos)
{
VariableHeader meta = package.MetaData.Constants.Constants(objectType).VariableMeta(stream.RemainingMemory);
locations.Add(checked ((int)stream.Position - offset));
stream.Position += checked ((int)meta.TotalLength);
}
return(new GroupListOverlay <T>(
locations,
data,
package));
}
/// <summary>
/// Returns a <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
/// </summary>
/// <returns>
/// A <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
/// </returns>
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append(base.ToString());
sb.AppendLine(VariableHeader.ToString());
sb.AppendLine(Payload.ToString());
return(sb.ToString());
}
public override void Encode(IByteBuffer buffer)
{
var buf = Unpooled.Buffer();
try
{
VariableHeader.Encode(buf, FixedHeader);
Payload.Encode(buf);
FixedHeader.Encode(buffer, buf.ReadableBytes);
buffer.WriteBytes(buf);
}
finally
{
buf?.Release();
}
}
public static GroupMajorRecordCacheWrapper <T> Factory(
IBinaryReadStream stream,
ReadOnlyMemorySlice <byte> data,
BinaryOverlayFactoryPackage package,
int offset)
{
Dictionary <FormKey, int> locationDict = new Dictionary <FormKey, int>();
stream.Position -= package.MetaData.Constants.GroupConstants.HeaderLength;
var groupMeta = stream.GetGroup(package.MetaData);
var finalPos = stream.Position + groupMeta.TotalLength;
stream.Position += package.MetaData.Constants.GroupConstants.HeaderLength;
// Parse MajorRecord locations
ObjectType?lastParsed = default;
while (stream.Position < finalPos)
{
VariableHeader varMeta = package.MetaData.Constants.NextRecordVariableMeta(stream.RemainingMemory);
if (varMeta.IsGroup)
{
if (lastParsed != ObjectType.Record)
{
throw new DataMisalignedException("Unexpected Group encountered which was not after a major record: " + GroupRecordTypeGetter <T> .GRUP_RECORD_TYPE);
}
stream.Position += checked ((int)varMeta.TotalLength);
lastParsed = ObjectType.Group;
}
else
{
MajorRecordHeader majorMeta = package.MetaData.Constants.MajorRecord(stream.RemainingMemory);
if (majorMeta.RecordType != GroupRecordTypeGetter <T> .GRUP_RECORD_TYPE)
{
throw new DataMisalignedException("Unexpected type encountered when parsing MajorRecord locations: " + majorMeta.RecordType);
}
var formKey = FormKey.Factory(package.MetaData.MasterReferences !, majorMeta.FormID.Raw);
locationDict.Add(formKey, checked ((int)(stream.Position - offset)));
stream.Position += checked ((int)majorMeta.TotalLength);
lastParsed = ObjectType.Record;
}
}
return(new GroupMajorRecordCacheWrapper <T>(
locationDict,
data,
package));
}
/// <summary>
/// ss the message to the supplied stream.
/// </summary>
/// <param name="messageStream">The stream to write the message to.</param>
public override void WriteTo(Stream messageStream)
{
this.Header.WriteTo(VariableHeader.GetWriteLength() + Payload.GetWriteLength(), messageStream);
this.VariableHeader.WriteTo(messageStream);
this.Payload.WriteTo(messageStream);
}
