/// <summary>
/// deconstructs objects that inhert ISerializable
/// </summary>
/// <returns></returns>
private static BinaryBuilder SeriObjDeconstructor(ISerializable obj)
{
SerializationInfo info = new SerializationInfo(obj.GetType(), new FormatterConverter());
StreamingContext context = new StreamingContext(StreamingContextStates.All);
obj.GetObjectData(info, context);
var node = info.GetEnumerator();
BinaryBuilder byteBuilder = new BinaryBuilder();
byteBuilder.Append(serializerEntry);
///Object Type Change
byteBuilder.Append(info.ObjectType.AssemblyQualifiedName);
byteBuilder.Append(equals);
///Object Type Change
while (node.MoveNext())
{
//bytebuilder adds to itself the new byte arrays, no need to assign
byteBuilder.Append(startClass + node.Name + typeEntry + node.ObjectType.ToString() + equals + Deconstruction(node.Value) + endClass);
//stringBuilder.Append(startClass + node.Name + typeEntry + node.ObjectType + equals + Deconstruct(node.Value) + endClass);
}
byteBuilder.Append(serializerExit);
return(byteBuilder);
}
private static BinaryBuilder ListObjDeconstructor(IList list)
{
BinaryBuilder objGraph = new BinaryBuilder(); //TODO: ADD A WAY TO COUNT MEMEBERS AND AVOID NULL sends
//THIS IS A BIG NONO (spent too much on to find these issue)
//IF ANOTHER UNSOLVALBE ISSUE RAISES LISTS ARE YOUR FIRST WARNING
if (list.GetType().IsArray)
{
//if (list is List<byte>)
// return ((List<byte>)list).ToArray();
objGraph.Append(list.Count.ToString());
if (list is byte[])
{
objGraph.Append(startEnum);
objGraph.Append((byte[])list);
objGraph.Append(endEnum);
return(objGraph);
}
}
objGraph.Append(startEnum);
foreach (var member in list)
{
if (member == null) //Don't add to the list,
{
//objGraph.Append(nullObj + betweenEnum); //No sending nulls
continue;
}
objGraph.Append(Deconstruction(member) + endClass); //between Enum is like endclass
}
objGraph.Append(endEnum);
return(objGraph);
}
private static object GetValue(Type objType, ref byte[] dataInfo, ref int location)
{
BinaryBuilder valueStr = GetSection(ref dataInfo, endClass, ref location);
valueStr = valueStr == nullObj ? null : valueStr; //if the value is null, set it to null
return(BinaryBuilder.ByteToPrimitive(objType, valueStr));
}
public static byte[] Deconstruct(object obj)
{
BinaryBuilder builder = new BinaryBuilder();
byte[] result = (startClass + obj.GetType().AssemblyQualifiedName + equals + Deconstruction(obj) + endClass);
//Console.WriteLine("Binary Formatter Decompression: " + result.Length);
return(result);
//must delcare the type at first so the constructor later on knows with what type it deals
//the properties and fields can be aligned later on by using the first type, like a puzzle
//the name of the object doesn't matter (therefore doesn't need to be saved) as well since the it will be changed anyways
}
public BinaryBuilder Append(BinaryBuilder obj)
{
list.AddRange(obj.list);
return(this);
BinaryBuilder hello = new BinaryBuilder("Hello ");
byte[] world = BinaryBuilder.StrToBytes("World");
byte[] helloWorld = hello + world;
BinaryBuilder result = helloWorld;
Console.WriteLine(result); //Hello world
}
/// <summary>
/// This method will get the dataInfo and rescue the required section
/// from the beginning of the dataInfo string until it encounters the given operation
/// </summary>
/// <param name="dataInfo">The operation</param>
/// <param name="syntax">Object graph</param>
/// <returns>The required section</returns>
private static BinaryBuilder GetSection(ref byte[] dataInfo, byte[] syntax, ref int location)
{
BinaryBuilder sectionByte = new BinaryBuilder();
for (int i = location; i < dataInfo.Length; i++)
{
if (CheckHitOperator(dataInfo, syntax, ref location)) //when the program gets to "=" it continues
{
break;
}
sectionByte.Append(dataInfo[i]);
location += 1;
}
location += syntax.Length;
return(sectionByte);
}
private static BinaryBuilder Deconstruction(object obj)
{
if (obj == null)
{
return(nullObj);
}
if (obj.GetType().IsPrimitive || obj is string)
{
return(BinaryBuilder.PrimitiveToByte(obj));
}
if (!obj.GetType().IsSerializable) //PROTECTION
{
return(new byte[0]); //don't touch the field, CONSIDER: throwing an error
}
else if (obj is ISerializable)
{
return(SeriObjDeconstructor((ISerializable)obj));
}
if (obj is IList) //string is also an enum but will never reach here thanks to the primitive check
{
return(ListObjDeconstructor((IList)obj));
}
var fields = obj.GetType().GetFields(bindingFlags);
BinaryBuilder objGraph = new BinaryBuilder();
#region SpecialCases
/*Special cases so far:
* 1. Object is null (Done)
* 2. Object points to itself in an infnite loop (Done)
* 3. backingField (Done)
* 4. Object is an enum/list/array (Done)
*/
#endregion
foreach (var field in fields)
{
//the field is a field class, the fieldValue is the value of this field (the actual object)
//for examle field is "int num = 5" and the field value is the 5
if (field.IsNotSerialized) //PROTECTION
{
continue; //Don't touch the object, was meant to not be serialized
}
object fieldValue = field.GetValue(obj);
if (fieldValue == null) //No sending nulls
{
continue; //Null object, ignore. spares the text in the writing
}
if (fieldValue == obj)
{
throw new StackOverflowException("An object points to itself"); //Will cause an infinite loop, so just throw it
}
//BACKING FIELDS ARE IGNORED BECAUSE THE PROPERTIES LINE SAVES THEM INSTEAD
//one of the few compiler generated attributes is backing fields
//backing field is a proprty with a get and set only, which has a hidden field behind it
//instead we save this field in the properties
if (Attribute.GetCustomAttribute(field, typeof(CompilerGeneratedAttribute)) == null) //this line checks for backing field
{
objGraph.Append(startClass + field.Name + equals + Deconstruction(fieldValue) + endClass);
}
else
{
objGraph.Append(startClass + GetNameOfBackingField(field.Name) + equals + Deconstruction(fieldValue) + endClass);
}
}
return(objGraph);
}
public BinaryBuilder(BinaryBuilder builder)
{
list = builder.list.ToList();
}
