public static void WriteTypeMetaInfo(IStreamWriter writer, ITypeStructure typeItem, bool writeTypeMetaPrefix = true)
{
if (writeTypeMetaPrefix)
{
writer.WriteUInt8(ValueItem.TypeMetaInfo);
}
writer.WriteUInt8(SingleTypeDescr);
Type type = typeItem.RuntimeType;
writer.WriteString(type.Assembly.GetName().Name);
writer.WriteString(type.FullName);
short itemCount = (short)typeItem.Items.Count;
writer.WriteInt16(itemCount);
for (int i = 0; i < itemCount; i++)
{
var memberItem = typeItem.Items[i];
writer.WriteInt16((short)memberItem.Type); // ItemType Enum
writer.WriteUInt32(memberItem.TypeId); // TypeId (Type Hash)
writer.WriteString(memberItem.Name); // Property Name
writer.WriteBool(memberItem.IsNullable); // Nullable Flag
}
}
public override void WriteValue(IStreamWriter writer, ISerializeContext context, object value)
{
// Enum starts with the actual type id
writer.WriteUInt32(this.TypeId);
if (context.IsWriteTypeMetaInfoRequired(this.TypeId))
{
// serialize type meta info at the first time
TypeMetaStructure.WriteTypeMetaInfo(writer, this.enumType);
}
writer.WriteUInt8(ValueItem.SingleValueIdent);
NullableWrite(writer, value, () =>
{
writer.WriteInt32((int)value);
});
}
public override void WriteValue(IStreamWriter writer, ISerializeContext context, object value)
{
// Write ItemType.TypeRef ID
//writer.WriteUInt32(this.TypeId);
if (value == null)
{
writer.WriteUInt8(ValueItem.NullValueIdent);
}
else
{
Type typeRef = (Type)value;
IValueItem item = context.GetByType(typeRef);
bool typeMetaInfo = false;
if (item is ITypeStructure)
{
ITypeStructure tStructure = (ITypeStructure)item;
if (context.IsWriteTypeMetaInfoRequired(item.TypeId))
{
writer.WriteUInt8(ValueItem.TypeMetaInfo);
typeMetaInfo = true;
}
}
if (!typeMetaInfo)
{
writer.WriteUInt8(ValueItem.SingleValueIdent);
}
writer.WriteUInt32(item.TypeId);
if (typeMetaInfo)
{
// serialize type meta info
TypeMetaStructure.WriteTypeMetaInfo(writer, (ITypeStructure)item, false);
}
}
}
/// <summary>
/// Writes the value.
/// </summary>
/// <param name="writer">The writer.</param>
/// <param name="value">The value.</param>
public override void WriteValue(IStreamWriter writer, ISerializeContext context, object value)
{
if (value == null)
{
writer.WriteUInt8(ValueItem.NullValueIdent);
}
else
{
string stringValue = (string)value;
uint stringHashCode;
if (context.Serializer.IsWriteHashStringRequired(stringValue, out stringHashCode))
{
writer.WriteUInt8(ValueItem.HashCodeString);
writer.WriteString(stringValue);
}
else
{
writer.WriteUInt8(ValueItem.SingleValueIdent);
}
writer.WriteUInt32(stringHashCode);
}
}
public void WriteValue(IStreamWriter writer, ISerializeContext context, object value)
{
// Complex structure
// TypeID UInt32
// ContentType Byte
context.Key = this.Name;
if (isObject)
{
// property or collection does not specify a target type
// determine object type
if (value != null)
{
Type valType = value.GetType();
IValueItem item;
var differentTargetStructure = context.DetermineSpecialInterfaceType(value.GetType(), type);
if (differentTargetStructure != null)
{
item = differentTargetStructure;
}
else
{
item = context.GetByType(valType);
}
if (!item.IsTypePrefixExpected)
{
// Write type id for value types as well (unknown structure)
writer.WriteUInt32(item.TypeId);
writer.WriteUInt8(ValueItem.SingleValueIdent);
}
item.WriteValue(writer, context, value);
}
else
{
// write complex object type id for null value
writer.WriteInt32((int)ItemType.ComplexObject);
writer.WriteUInt8(ValueItem.NullValueIdent);
}
}
else if (value == null)
{
// Write null
writer.WriteUInt32(this.TypeId);
writer.WriteUInt8(ValueItem.NullValueIdent);
}
else
{
IValueItem differentTargetStructure = null;
if (CheckDifferentType)
{
differentTargetStructure = context.DetermineSpecialInterfaceType(value.GetType(), type);
}
if (differentTargetStructure != null)
{
// Special target interface type serialization
differentTargetStructure.WriteValue(writer, context, value);
}
else
{
// Just write type properties
writer.WriteUInt32(this.TypeId);
if (context.IsWriteTypeMetaInfoRequired(this.TypeId))
{
// serialize type meta info at the first time
TypeMetaStructure.WriteTypeMetaInfo(writer, this);
}
writer.WriteUInt8(ValueItem.SingleObjectIdent);
object oldParentObj = context.ParentObject;
context.ParentObject = value;
for (int itemIndex = 0; itemIndex < items.Count; itemIndex++)
{
var item = items[itemIndex];
var valueItem = item.GetItemValue(value);
item.WriteValue(writer, context, valueItem);
}
context.ParentObject = oldParentObj;
}
}
}
public void WriteValue(IStreamWriter writer, ISerializeContext context, object value)
{
// Collection structure:
// TypeID UInt32
// ContentType Byte
// Count Int32
// Items...
if (getter == null)
{
writer.WriteUInt32(this.TypeId); // only write collection type if element is root object
if (context.IsWriteTypeMetaInfoRequired(this.TypeId))
{
// serialize type meta info at the first time
TypeMetaStructure.WriteTypeMetaInfo(writer, this);
}
}
if (value == null)
{
writer.WriteUInt8(ValueItem.NullValueIdent);
}
else
{
writer.WriteUInt8(ValueItem.CollectionObjectIdent);
IEnumerable items;
if (isArray)
{
Array array = (Array)value;
writer.WriteInt32(array.Length);
items = array;
if (isByteArray)
{
writer.WriteBytes(new ArraySegment <byte>((byte[])array));
return;
}
}
else if (value is ICollection)
{
ICollection collection = (ICollection)value;
writer.WriteInt32(collection.Count);
items = collection;
}
else
{
items = (IEnumerable)value;
int count = 0;
foreach (var item in items)
{
count++;
}
writer.WriteInt32(count);
}
context.Key = this.Name;
int index = 0;
foreach (var item in items)
{
context.ArrayIndex = index;
itemStructure.WriteValue(writer, context, item);
index++;
}
context.ArrayIndex = null;
}
}
