mirror of
https://github.com/google/flatbuffers.git
synced 2026-06-06 05:27:24 +00:00
a5175c513a
Updates test cases on linux Adhere to new protocol naming Adds fuzzing Adds documentation Adds support for string unions Updated fuzzer generated code
69 lines
2.6 KiB
Swift
69 lines
2.6 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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/// Takes in a prefixed sized buffer, where the prefixed size would be skipped.
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/// And would verify that the buffer passed is a valid `Flatbuffers` Object.
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/// - Parameters:
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/// - byteBuffer: Buffer that needs to be checked and read
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/// - options: Verifier options
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/// - Throws: FlatbuffersErrors
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/// - Returns: Returns a valid, checked Flatbuffers object
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public func getPrefixedSizeCheckedRoot<T: FlatBufferObject & Verifiable>(
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byteBuffer: inout ByteBuffer,
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options: VerifierOptions = .init()) throws -> T
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{
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byteBuffer.skipPrefix()
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return try getCheckedRoot(byteBuffer: &byteBuffer, options: options)
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}
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/// Takes in a prefixed sized buffer, where the prefixed size would be skipped.
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/// Returns a `NON-Checked` flatbuffers object
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/// - Parameter byteBuffer: Buffer that contains data
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/// - Returns: Returns a Flatbuffers object
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public func getPrefixedSizeRoot<T: FlatBufferObject>(byteBuffer: inout ByteBuffer) -> T {
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byteBuffer.skipPrefix()
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return getRoot(byteBuffer: &byteBuffer)
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}
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/// Verifies that the buffer passed is a valid `Flatbuffers` Object.
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/// - Parameters:
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/// - byteBuffer: Buffer that needs to be checked and read
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/// - options: Verifier options
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/// - Throws: FlatbuffersErrors
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/// - Returns: Returns a valid, checked Flatbuffers object
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public func getCheckedRoot<T: FlatBufferObject & Verifiable>(
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byteBuffer: inout ByteBuffer,
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options: VerifierOptions = .init()) throws -> T
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{
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var verifier = try Verifier(buffer: &byteBuffer, options: options)
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try ForwardOffset<T>.verify(&verifier, at: 0, of: T.self)
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return T.init(
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byteBuffer,
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o: Int32(byteBuffer.read(def: UOffset.self, position: byteBuffer.reader)) + Int32(byteBuffer.reader))
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}
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/// Returns a `NON-Checked` flatbuffers object
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/// - Parameter byteBuffer: Buffer that contains data
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/// - Returns: Returns a Flatbuffers object
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public func getRoot<T: FlatBufferObject>(byteBuffer: inout ByteBuffer) -> T {
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T.init(
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byteBuffer,
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o: Int32(byteBuffer.read(def: UOffset.self, position: byteBuffer.reader)) + Int32(byteBuffer.reader))
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}
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