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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
/// Collection of thrown from the Flatbuffer verifier
public enum FlatbuffersErrors: Error, Equatable {
/// Thrown when verifying a file id that doesnt match buffer id
case bufferIdDidntMatchPassedId
/// Prefixed size doesnt match the current (readable) buffer size
case prefixedSizeNotEqualToBufferSize
/// Thrown when buffer is bigger than the allowed 2GiB
case exceedsMaxSizeAllowed
/// Thrown when there is an missaligned pointer at position
/// of type
case missAlignedPointer(position: Int, type: String)
/// Thrown when trying to read a value that goes out of the
/// current buffer bounds
case outOfBounds(position: UInt, end: Int)
/// Thrown when the signed offset is out of the bounds of the
/// current buffer
case signedOffsetOutOfBounds(offset: Int, position: Int)
/// Thrown when a required field doesnt exist within the buffer
case requiredFieldDoesntExist(position: VOffset, name: String)
/// Thrown when a string is missing its NULL Terminator `\0`,
/// this can be disabled in the `VerifierOptions`
case missingNullTerminator(position: Int, str: String?)
/// Thrown when the verifier has reached the maximum tables allowed,
/// this can be disabled in the `VerifierOptions`
case maximumTables
/// Thrown when the verifier has reached the maximum depth allowed,
/// this can be disabled in the `VerifierOptions`
case maximumDepth
/// Thrown when the verifier is presented with an unknown union case
case unknownUnionCase
/// thrown when a value for a union is not found within the buffer
case valueNotFound(key: Int?, keyName: String, field: Int?, fieldName: String)
/// thrown when the size of the keys vector doesnt match fields vector
case unionVectorSize(
keyVectorSize: Int,
fieldVectorSize: Int,
unionKeyName: String,
fieldName: String)
case apparentSizeTooLarge
}
#if !os(WASI)
extension FlatbuffersErrors {
public static func == (
lhs: FlatbuffersErrors,
rhs: FlatbuffersErrors) -> Bool
{
lhs.localizedDescription == rhs.localizedDescription
}
}
#endif
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