public static object Deserialize(this IColumnSpec columnSpec, byte[] rawData)
{
object data;
Type colType;
switch (columnSpec.ColumnType)
{
default:
data = Deserialize(columnSpec.ColumnType, rawData);
break;
case ColumnType.List:
colType = columnSpec.CollectionValueType.ToType();
Type typedColl = typeof(ListInitializer<>).MakeGenericType(colType);
ICollectionInitializer list = (ICollectionInitializer) Activator.CreateInstance(typedColl);
using (MemoryStream ms = new MemoryStream(rawData))
{
short nbElem = ms.ReadShort();
while (0 < nbElem)
{
byte[] elemRawData = ms.ReadShortBytes();
object elem = Deserialize(columnSpec.CollectionValueType, elemRawData);
list.Add(elem);
}
data = list.Collection;
}
break;
case ColumnType.Map:
Type keyType = columnSpec.CollectionKeyType.ToType();
colType = columnSpec.CollectionValueType.ToType();
Type typedDic = typeof(DictionaryInitializer<,>).MakeGenericType(keyType, colType);
IDictionaryInitializer dic = (IDictionaryInitializer) Activator.CreateInstance(typedDic);
using (MemoryStream ms = new MemoryStream(rawData))
{
short nbElem = ms.ReadShort();
while (0 < nbElem)
{
byte[] elemRawKey = ms.ReadShortBytes();
byte[] elemRawValue = ms.ReadShortBytes();
object key = Deserialize(columnSpec.CollectionValueType, elemRawKey);
object value = Deserialize(columnSpec.CollectionValueType, elemRawValue);
dic.Add(key, value);
}
data = dic.Collection;
}
break;
case ColumnType.Set:
colType = columnSpec.CollectionValueType.ToType();
Type typedSet = typeof(HashSetInitializer<>).MakeGenericType(colType);
ICollectionInitializer set = (ICollectionInitializer) Activator.CreateInstance(typedSet);
using (MemoryStream ms = new MemoryStream(rawData))
{
short nbElem = ms.ReadShort();
while (0 < nbElem--)
{
byte[] elemRawData = ms.ReadShortBytes();
object elem = Deserialize(columnSpec.CollectionValueType, elemRawData);
set.Add(elem);
}
data = set.Collection;
}
break;
}
return data;
}
public static object DeserializeSet(byte[] rawData, IHashSetAccessor destSet, Func<byte[], object> valueDeserializer)
{
using (MemoryStream ms = new MemoryStream(rawData))
{
ushort nbElem = ms.ReadUShort();
while (0 < nbElem)
{
byte[] elemRawData = ms.ReadShortBytes();
object elem = valueDeserializer(elemRawData);
destSet.AddItem(elem);
--nbElem;
}
return destSet;
}
}
public static object DeserializeMap(byte[] rawData, IDictionary destMap, Func<byte[], object> keyDeserializer, Func<byte[], object> valueDeserializer)
{
using (MemoryStream ms = new MemoryStream(rawData))
{
ushort nbElem = ms.ReadUShort();
while (0 < nbElem)
{
byte[] elemRawKey = ms.ReadShortBytes();
byte[] elemRawValue = ms.ReadShortBytes();
object key = keyDeserializer(elemRawKey);
object value = valueDeserializer(elemRawValue);
destMap.Add(key, value);
--nbElem;
}
return destMap;
}
}
public static object DeserializeList(byte[] rawData, IList destList, Func<byte[], object> valueDeserializer)
{
using (MemoryStream ms = new MemoryStream(rawData))
{
ushort nbElem = ms.ReadUShort();
while (0 < nbElem)
{
byte[] elemRawData = ms.ReadShortBytes();
object elem = valueDeserializer(elemRawData);
destList.Add(elem);
--nbElem;
}
return destList;
}
}
