private static Type GetSchemaType(CapnProto.Pointer parent, System.Type type, out int len)
{
if (type == null)
{
len = 0;
return(default(Type));
}
// objects and enums
var idAttrib = (IdAttribute)Attribute.GetCustomAttribute(type, typeof(IdAttribute));
if (idAttrib != null)
{
if (type.IsEnum)
{
len = 16;
Schema.Type tmp = Schema.Type.Create(parent, Type.Unions.@enum);
var @enum = tmp.@enum;
@enum.typeId = idAttrib.Id;
return(tmp);
}
if (type.IsClass || type.IsValueType)
{
len = Type.LEN_POINTER;
Schema.Type tmp = Schema.Type.Create(parent, Type.Unions.@struct);
var @struct = tmp.@struct;
@struct.typeId = idAttrib.Id;
}
}
if (type == typeof(byte[]))
{
len = 0;
return(Schema.Type.Create(parent, Type.Unions.data));
}
else if (type == typeof(void))
{
len = 0;
return(Schema.Type.Create(parent, Type.Unions.@void));
}
else if (type == typeof(object) || type == typeof(System.Collections.IList))
{
len = Type.LEN_POINTER;
return(Schema.Type.Create(parent, Type.Unions.anyPointer));
}
switch (System.Type.GetTypeCode(type))
{
case TypeCode.Empty: len = 0; return(default(Type));
case TypeCode.Boolean: len = 1; return(Schema.Type.Create(parent, Type.Unions.@bool));
case TypeCode.SByte: len = 8; return(Schema.Type.Create(parent, Type.Unions.int8));
case TypeCode.Byte: len = 8; return(Schema.Type.Create(parent, Type.Unions.uint8));
case TypeCode.Int16: len = 16; return(Schema.Type.Create(parent, Type.Unions.int16));
case TypeCode.UInt16: len = 16; return(Schema.Type.Create(parent, Type.Unions.uint16));
case TypeCode.Int32: len = 32; return(Schema.Type.Create(parent, Type.Unions.int32));
case TypeCode.UInt32: len = 32; return(Schema.Type.Create(parent, Type.Unions.uint32));
case TypeCode.Int64: len = 64; return(Schema.Type.Create(parent, Type.Unions.int64));
case TypeCode.UInt64: len = 64; return(Schema.Type.Create(parent, Type.Unions.uint64));
case TypeCode.Char: len = 16; return(Schema.Type.Create(parent, Type.Unions.uint16));
case TypeCode.DBNull: len = 0; return(Schema.Type.Create(parent, Type.Unions.@void));
case TypeCode.Single: len = 32; return(Schema.Type.Create(parent, Type.Unions.float32));
case TypeCode.Double: len = 64; return(Schema.Type.Create(parent, Type.Unions.float64));
case TypeCode.String: len = Type.LEN_POINTER; return(Schema.Type.Create(parent, Type.Unions.text));
}
// lists (note this includes recursive)
var elType = GetSchemaType(parent, GetElementType(type), out len);
if (elType.IsValid())
{
len = Type.LEN_POINTER;
Schema.Type tmp = Schema.Type.Create(parent, Type.Unions.list);
var list = tmp.list;
list.elementType = elType;
return(tmp);
}
len = 0;
return(default(Type));
}
static Field CreateField(CapnProto.Pointer parent, MemberInfo member, ref ushort discCount, ref uint discOffset)
{
if (member == null)
{
return(default(Field));
}
System.Type type;
switch (member.MemberType)
{
case MemberTypes.Field:
type = ((FieldInfo)member).FieldType; break;
case MemberTypes.Property:
type = ((PropertyInfo)member).PropertyType; break;
default:
return(default(Field));
}
var fa = (FieldAttribute)Attribute.GetCustomAttribute(member, typeof(FieldAttribute));
var ua = (UnionAttribute)Attribute.GetCustomAttribute(member, typeof(UnionAttribute));
if (fa == null && ua == null)
{
return(default(Field));
}
Field field = new Field();
var slot = field.slot;
int len;
slot.type = GetSchemaType(parent, type, out len);
if (fa != null)
{
if (fa.Start >= 0)
{
slot.offset = len == 0 ? 0 : checked ((uint)(fa.Start / len));
}
else if (fa.Pointer >= 0)
{
slot.offset = checked ((uint)fa.Pointer);
}
var ordinal = field.ordinal;
if (fa.Number >= 0)
{
ordinal.Union = Field.ordinalGroup.Unions.@explicit;
ordinal.@explicit = checked ((ushort)fa.Number);
}
else
{
ordinal.Union = Field.ordinalGroup.Unions.@implicit;
}
}
if (ua != null)
{
discCount++;
if (ua.Tag == 0)
{
discOffset = checked ((ushort)ua.Start);
}
field.discriminantValue = checked ((ushort)ua.Tag);
}
else
{
field.discriminantValue = Field.noDiscriminant;
}
field.name = Text.Create(parent, member.Name);
return(field);
}
