public Expression <Action <BinaryWriter, Func <int, IData>, int> > CreateStoreMethod()
{
var writer = Expression.Parameter(typeof(BinaryWriter), "writer");
var values = Expression.Parameter(typeof(Func <int, IData>), "values");
var count = Expression.Parameter(typeof(int), "count");
var idx = Expression.Variable(typeof(int), "idx");
var callValues = Expression.Convert(Expression.Call(values, values.Type.GetMethod("Invoke"), idx), typeof(Data <>).MakeGenericType(Type)).Value();
var body = IndexerPersistHelper.CreateStoreBody(Type, Persists, writer, callValues, idx, count, MembersOrder);
var lambda = Expression.Lambda <Action <BinaryWriter, Func <int, IData>, int> >(body, new ParameterExpression[] { writer, values, count });
return(lambda);
}
public Expression <Action <BinaryReader, Action <int, IData>, int> > CreateLoadMethod()
{
var reader = Expression.Parameter(typeof(BinaryReader), "reader");
var values = Expression.Parameter(typeof(Action <int, IData>), "func");
var count = Expression.Parameter(typeof(int), "count");
var array = Expression.Variable(typeof(Data <>).MakeGenericType(Type).MakeArrayType());
var body = DataType.IsPrimitiveType(Type) ?
IndexerPersistHelper.SingleSlotCreateLoadBody(Type, true, values, reader, count, Persists) :
Expression.Block(new ParameterExpression[] { array },
Expression.Assign(array, Expression.New(array.Type.GetConstructor(new Type[] { typeof(int) }), count)),
array.For(i =>
{
return(Expression.Block(Expression.Assign(Expression.ArrayAccess(array, i), Expression.New(typeof(Data <>).MakeGenericType(Type).GetConstructor(new Type[] { }))),
Expression.Assign(Expression.ArrayAccess(array, i).Value(), Expression.New(Type.GetConstructor(new Type[] { }))),
Expression.Call(values, values.Type.GetMethod("Invoke"), i, Expression.ArrayAccess(array, i))));
}, Expression.Label(), count),
IndexerPersistHelper.CreateLoadBody(Type, true, reader, array, count, MembersOrder, Persists)
);
return(Expression.Lambda <Action <BinaryReader, Action <int, IData>, int> >(body, new ParameterExpression[] { reader, values, count }));
}
public DataIndexerPersist(Type T, Func <Type, MemberInfo, int> membersOrder = null)
: this(T, IndexerPersistHelper.GetDefaultPersists(T, membersOrder), membersOrder)
{
}
public IndexerPersist(Func <Type, MemberInfo, int> membersOrder = null)
: this(IndexerPersistHelper.GetDefaultPersists(typeof(T), membersOrder), membersOrder)
{
}