internal int?ParseRecord(SerialObject parentObject)
{
int?serialObjectReferenceID = null;
if (PendingNullCounter == 0)
{
long startPosition = reader.BaseStream.Position;
SerialObject si = null;
RecordTypeEnumeration nextRecordType = (RecordTypeEnumeration)reader.ReadByte();
switch (nextRecordType)
{
case RecordTypeEnumeration.SerializedStreamHeader:
//header is 4 values that I wouldn't know what to do with (what type of message, what version, etc) - trash.
reader.ReadBytes(16);
break;
case RecordTypeEnumeration.ClassWithID:
//just two ints, read directly
si = new ClassInfo();
si.ObjectID = reader.ReadInt32();
((ClassInfo)si).ReferencedObject = reader.ReadInt32();
//Use the referenced object definition for data retrieval rules
// -> this will overwrite the original values in the referenced object, but who cares - the values are trash anyway (for now).
((ClassInfo)serialObjects[((ClassInfo)si).ReferencedObject.Value]).ReadValueInfo(this);
break;
case RecordTypeEnumeration.SystemClassWithMembers:
//single structure, read in constructor
si = new ClassInfo(this);
//also values.
si.ReadValueInfo(this);
break;
case RecordTypeEnumeration.ClassWithMembers:
//single structure, read in constructor
si = new ClassInfo(this);
//also library ID, read into place.
((ClassInfo)si).LibraryID = reader.ReadInt32();
//also values.
si.ReadValueInfo(this);
break;
case RecordTypeEnumeration.SystemClassWithMembersAndTypes:
//single structure, read in constructor
si = new ClassInfo(this);
//also member type info, read into place.
((ClassInfo)si).ReadTypeInfo(this);
//also values.
si.ReadValueInfo(this);
break;
case RecordTypeEnumeration.ClassWithMembersAndTypes:
//single structure, read in constructor
si = new ClassInfo(this);
//also member type info, read into place.
((ClassInfo)si).ReadTypeInfo(this);
//also library ID, read into place.
((ClassInfo)si).LibraryID = reader.ReadInt32();
//also values.
si.ReadValueInfo(this);
break;
case RecordTypeEnumeration.BinaryObjectString:
//simple structure, just an ID and a string
si = new ObjectString();
si.ObjectID = reader.ReadInt32();
((ObjectString)si).String = reader.ReadString();
break;
case RecordTypeEnumeration.BinaryArray:
//complex process, read in constructor.
si = new BinaryArray(this);
//also values.
si.ReadValueInfo(this);
break;
case RecordTypeEnumeration.MemberReference:
//just return the ID that was referenced.
serialObjectReferenceID = reader.ReadInt32();
break;
case RecordTypeEnumeration.ObjectNull:
//a single null; do nothing, as null is the default return value.
break;
case RecordTypeEnumeration.MessageEnd:
//do nothing, quit. Wasn't that fun?
endRecordReached = true;
break;
case RecordTypeEnumeration.BinaryLibrary:
int newLibraryID = reader.ReadInt32();
libraries.Add(newLibraryID, new BinaryLibrary());
libraries[newLibraryID].LibraryID = newLibraryID;
libraries[newLibraryID].Name = reader.ReadString();
libraries[newLibraryID].recordLength = reader.BaseStream.Position - startPosition;
break;
case RecordTypeEnumeration.ObjectNullMultiple256:
//a sequence of nulls; return null, and start a counter to continue returning N nulls over the next calls.
PendingNullCounter = reader.ReadByte() - 1;
break;
case RecordTypeEnumeration.ObjectNullMultiple:
//a sequence of nulls; return null, and start a counter to continue returning N nulls over the next calls.
PendingNullCounter = reader.ReadInt32() - 1;
#if (DEBUG)
//not yet tested: if it happens, take a look around.
System.Diagnostics.Debugger.Break();
#endif
break;
case RecordTypeEnumeration.ArraySinglePrimitive:
//This one's pretty easy to build, do locally.
si = new BinaryArray();
si.ObjectID = reader.ReadInt32();
((BinaryArray)si).ArrayType = BinaryArrayTypeEnumeration.Single;
((BinaryArray)si).BinaryType = BinaryTypeEnumeration.Primitive;
((BinaryArray)si).Rank = 1;
((BinaryArray)si).Lengths = new List <int>();
((BinaryArray)si).Lengths.Add(reader.ReadInt32());
((BinaryArray)si).PrimitiveType = (PrimitiveTypeEnumeration)reader.ReadByte();
//and then read the values.
si.ReadValueInfo(this);
break;
case RecordTypeEnumeration.ArraySingleObject:
//This should be pretty easy to build, do locally.
si = new BinaryArray();
si.ObjectID = reader.ReadInt32();
((BinaryArray)si).ArrayType = BinaryArrayTypeEnumeration.Single;
((BinaryArray)si).BinaryType = BinaryTypeEnumeration.Object;
((BinaryArray)si).Rank = 1;
((BinaryArray)si).Lengths = new List <int>();
((BinaryArray)si).Lengths.Add(reader.ReadInt32());
//and then read the values.
si.ReadValueInfo(this);
#if (DEBUG)
//not yet tested: if it happens, take a look around.
System.Diagnostics.Debugger.Break();
#endif
break;
case RecordTypeEnumeration.ArraySingleString:
//This should be pretty easy to build, do locally.
si = new BinaryArray();
si.ObjectID = reader.ReadInt32();
((BinaryArray)si).ArrayType = BinaryArrayTypeEnumeration.Single;
((BinaryArray)si).BinaryType = BinaryTypeEnumeration.String;
((BinaryArray)si).Rank = 1;
((BinaryArray)si).Lengths = new List <int>();
((BinaryArray)si).Lengths.Add(reader.ReadInt32());
//and then read the values.
si.ReadValueInfo(this);
#if (DEBUG)
//not yet tested: if it happens, take a look around.
System.Diagnostics.Debugger.Break();
#endif
break;
case RecordTypeEnumeration.MemberPrimitiveTyped:
#if (DEBUG)
//not yet tested: if it happens, take a look around.
System.Diagnostics.Debugger.Break();
#endif
break;
case RecordTypeEnumeration.MethodCall:
#if (DEBUG)
//not yet tested: if it happens, take a look around.
System.Diagnostics.Debugger.Break();
#endif
break;
case RecordTypeEnumeration.MethodReturn:
#if (DEBUG)
//not yet tested: if it happens, take a look around.
System.Diagnostics.Debugger.Break();
#endif
break;
default:
throw new Exception("Parsing appears to have failed dramatically. Unknown record type, we must be lost in the bytestream!");
}
//standard: if this was a serial object, add to list and record its length.
if (si != null)
{
serialObjects.Add(si.ObjectID, si);
serialObjects[si.ObjectID].recordLength = reader.BaseStream.Position - startPosition;
if (parentObject != null)
{
serialObjects[si.ObjectID].ParentObjectID = parentObject.ObjectID;
}
return(si.ObjectID);
}
}
else
{
PendingNullCounter--;
}
return(serialObjectReferenceID);
}
