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f63c130c28
Finished documenting flatbuffersbuilder Replaces swift 5.5 with 5.2 packages Starts building the tutorial for xcode 13 Finishes building the tutorial for xcode 13 Removes docc files from old swift versions Updates swift style guide
38 lines
1.3 KiB
Swift
38 lines
1.3 KiB
Swift
/*
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* Copyright 2021 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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import Foundation
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/// FlatBuffersUtils hosts some utility functions that might be useful
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public enum FlatBuffersUtils {
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/// Gets the size of the prefix
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/// - Parameter bb: Flatbuffer object
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public static func getSizePrefix(bb: ByteBuffer) -> Int32 {
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bb.read(def: Int32.self, position: bb.reader)
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}
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/// Removes the prefix by duplicating the Flatbuffer this call is expensive since its
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/// creates a new buffer use `readPrefixedSizeCheckedRoot` instead
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/// unless a completely new buffer is required
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/// - Parameter bb: Flatbuffer object
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///
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///
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public static func removeSizePrefix(bb: ByteBuffer) -> ByteBuffer {
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bb.duplicate(removing: MemoryLayout<Int32>.size)
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}
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}
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