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/*
* Copyright 2021 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#if !os(WASI)
import Foundation
#else
import SwiftOverlayShims
#endif
/// NativeObject is a protocol that all of the `Object-API` generated code should be
/// conforming to since it allows developers the ease of use to pack and unpack their
/// Flatbuffers objects
public protocol NativeObject {}
extension NativeObject {
/// Serialize is a helper function that serailizes the data from the Object API to a bytebuffer directly th
/// - Parameter type: Type of the Flatbuffer object
/// - Returns: returns the encoded sized ByteBuffer
public func serialize<T: ObjectAPIPacker>(type: T.Type) -> ByteBuffer
where T.T == Self
{
var builder = FlatBufferBuilder(initialSize: 1024)
return serialize(builder: &builder, type: type.self)
}
/// Serialize is a helper function that serailizes the data from the Object API to a bytebuffer directly.
///
/// - Parameters:
/// - builder: A FlatBufferBuilder
/// - type: Type of the Flatbuffer object
/// - Returns: returns the encoded sized ByteBuffer
/// - Note: The `serialize(builder:type)` can be considered as a function that allows you to create smaller builder instead of the default `1024`.
/// It can be considered less expensive in terms of memory allocation
public func serialize<T: ObjectAPIPacker>(
builder: inout FlatBufferBuilder,
type: T.Type) -> ByteBuffer where T.T == Self
{
var s = self
let root = type.pack(&builder, obj: &s)
builder.finish(offset: root)
return builder.sizedBuffer
}
}
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