0f6aab9da6
git-subtree-dir: third_party/flatbuffers git-subtree-split: 595bf0007ab1929570c7671f091313c8fc20644e
52 lines
1.6 KiB
Swift
52 lines
1.6 KiB
Swift
/*
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* Copyright 2023 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#if !os(WASI)
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import Foundation
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#else
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import SwiftOverlayShims
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#endif
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/// Struct is a representation of a mutable `Flatbuffers` struct
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/// since native structs are value types and cant be mutated
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@frozen
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public struct Struct {
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/// Hosting Bytebuffer
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public private(set) var bb: ByteBuffer
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/// Current position of the struct
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public private(set) var postion: Int32
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/// Initializer for a mutable flatbuffers struct
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/// - Parameters:
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/// - bb: Current hosting Bytebuffer
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/// - position: Current position for the struct in the ByteBuffer
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public init(bb: ByteBuffer, position: Int32 = 0) {
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self.bb = bb
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postion = position
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}
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/// Reads data from the buffer directly at offset O
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/// - Parameters:
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/// - type: Type of data to be read
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/// - o: Current offset of the data
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/// - Returns: Data of Type T that conforms to type Scalar
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public func readBuffer<T: Scalar>(of type: T.Type, at o: Int32) -> T {
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let r = bb.read(def: T.self, position: Int(o + postion))
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return r
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}
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}
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