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root = true | ||
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[*] | ||
indent_style = space | ||
indent_size = 4 | ||
end_of_line = lf | ||
insert_final_newline = true | ||
trim_trailing_whitespace = true |
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name: Main | ||
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on: | ||
push: | ||
branches: [main] | ||
schedule: | ||
- cron: "0 8,20 * * *" | ||
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jobs: | ||
unit-tests: | ||
name: Unit tests | ||
uses: apple/swift-nio/.github/workflows/unit_tests.yml@main | ||
with: | ||
linux_5_9_arguments_override: "--explicit-target-dependency-import-check error" | ||
linux_5_10_arguments_override: "--explicit-target-dependency-import-check error" | ||
linux_6_0_arguments_override: "--explicit-target-dependency-import-check error" | ||
linux_nightly_6_0_arguments_override: "--explicit-target-dependency-import-check error" | ||
linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error" | ||
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integration-test: | ||
name: Integration test | ||
uses: apple/swift-nio/.github/workflows/swift_matrix.yml@main | ||
with: | ||
name: "Integration test" | ||
matrix_linux_command: "apt-get update -yq && apt-get install -yq jq && SWIFT_OPENAPI_GENERATOR_REPO_URL=file://${GITHUB_WORKSPACE} ./scripts/run-integration-test.sh" | ||
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example-packages: | ||
name: Example packages | ||
uses: apple/swift-nio/.github/workflows/swift_matrix.yml@main | ||
with: | ||
name: "Example packages" | ||
matrix_linux_command: "./scripts/test-examples.sh" |
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140 changes: 140 additions & 0 deletions
140
Sources/_OpenAPIGeneratorCore/Translator/CommonTranslations/translateRawEnum.swift
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//===----------------------------------------------------------------------===// | ||
// | ||
// This source file is part of the SwiftOpenAPIGenerator open source project | ||
// | ||
// Copyright (c) 2023 Apple Inc. and the SwiftOpenAPIGenerator project authors | ||
// Licensed under Apache License v2.0 | ||
// | ||
// See LICENSE.txt for license information | ||
// See CONTRIBUTORS.txt for the list of SwiftOpenAPIGenerator project authors | ||
// | ||
// SPDX-License-Identifier: Apache-2.0 | ||
// | ||
//===----------------------------------------------------------------------===// | ||
import OpenAPIKit | ||
import OrderedCollections | ||
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/// The backing type of a raw enum. | ||
enum RawEnumBackingType { | ||
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/// Backed by a `String`. | ||
case string | ||
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/// Backed by an `Int`. | ||
case integer | ||
} | ||
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/// The extracted enum value's identifier. | ||
private enum EnumCaseID: Hashable, CustomStringConvertible { | ||
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/// A string value. | ||
case string(String) | ||
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/// An integer value. | ||
case integer(Int) | ||
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var description: String { | ||
switch self { | ||
case .string(let value): return "\"\(value)\"" | ||
case .integer(let value): return String(value) | ||
} | ||
} | ||
} | ||
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/// A wrapper for the metadata about the raw enum case. | ||
private struct EnumCase { | ||
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/// Used for checking uniqueness. | ||
var id: EnumCaseID | ||
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/// The raw Swift-safe name for the case. | ||
var caseName: String | ||
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/// The literal value of the enum case. | ||
var literal: LiteralDescription | ||
} | ||
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extension EnumCase: Equatable { static func == (lhs: EnumCase, rhs: EnumCase) -> Bool { lhs.id == rhs.id } } | ||
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extension EnumCase: Hashable { func hash(into hasher: inout Hasher) { hasher.combine(id) } } | ||
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extension FileTranslator { | ||
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/// Returns a declaration of the specified raw value-based enum schema. | ||
/// - Parameters: | ||
/// - backingType: The backing type of the enum. | ||
/// - typeName: The name of the type to give to the declared enum. | ||
/// - userDescription: A user-specified description from the OpenAPI | ||
/// document. | ||
/// - isNullable: Whether the enum schema is nullable. | ||
/// - allowedValues: The enumerated allowed values. | ||
/// - Throws: A `GenericError` if a disallowed value is encountered. | ||
/// - Returns: A declaration of the specified raw value-based enum schema. | ||
func translateRawEnum( | ||
backingType: RawEnumBackingType, | ||
typeName: TypeName, | ||
userDescription: String?, | ||
isNullable: Bool, | ||
allowedValues: [AnyCodable] | ||
) throws -> Declaration { | ||
var cases: OrderedSet<EnumCase> = [] | ||
func addIfUnique(id: EnumCaseID, caseName: String) throws { | ||
let literal: LiteralDescription | ||
switch id { | ||
case .string(let string): literal = .string(string) | ||
case .integer(let int): literal = .int(int) | ||
} | ||
guard cases.append(.init(id: id, caseName: caseName, literal: literal)).inserted else { | ||
try diagnostics.emit( | ||
.warning( | ||
message: "Duplicate enum value, skipping", | ||
context: ["id": "\(id)", "foundIn": typeName.description] | ||
) | ||
) | ||
return | ||
} | ||
} | ||
for anyValue in allowedValues.map(\.value) { | ||
switch backingType { | ||
case .string: | ||
// In nullable enum schemas, empty strings are parsed as Void. | ||
// This is unlikely to be fixed, so handling that case here. | ||
// https://github.com/apple/swift-openapi-generator/issues/118 | ||
if isNullable && anyValue is Void { | ||
try addIfUnique(id: .string(""), caseName: context.asSwiftSafeName("")) | ||
} else { | ||
guard let rawValue = anyValue as? String else { | ||
throw GenericError(message: "Disallowed value for a string enum '\(typeName)': \(anyValue)") | ||
} | ||
let caseName = context.asSwiftSafeName(rawValue) | ||
try addIfUnique(id: .string(rawValue), caseName: caseName) | ||
} | ||
case .integer: | ||
let rawValue: Int | ||
if let intRawValue = anyValue as? Int { | ||
rawValue = intRawValue | ||
} else if let stringRawValue = anyValue as? String, let intRawValue = Int(stringRawValue) { | ||
rawValue = intRawValue | ||
} else { | ||
throw GenericError(message: "Disallowed value for an integer enum '\(typeName)': \(anyValue)") | ||
} | ||
let caseName = rawValue < 0 ? "_n\(abs(rawValue))" : "_\(rawValue)" | ||
try addIfUnique(id: .integer(rawValue), caseName: caseName) | ||
} | ||
} | ||
let baseConformance: String | ||
switch backingType { | ||
case .string: baseConformance = Constants.RawEnum.baseConformanceString | ||
case .integer: baseConformance = Constants.RawEnum.baseConformanceInteger | ||
} | ||
let conformances = [baseConformance] + Constants.RawEnum.conformances | ||
return try translateRawRepresentableEnum( | ||
typeName: typeName, | ||
conformances: conformances, | ||
userDescription: userDescription, | ||
cases: cases.map { ($0.caseName, $0.literal) }, | ||
unknownCaseName: nil, | ||
unknownCaseDescription: nil | ||
) | ||
} | ||
} |
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