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https://github.com/realm/SwiftLint.git
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JP Simard
b83e0991b9
The MIT license doesn't require that all files be prepended with this licensing or copyright information. Realm confirmed that they're ok with this change. This will enable some companies to contribute to SwiftLint and the date & authorship information will remain accessible via git source control.
31 lines
1.3 KiB
Swift
31 lines
1.3 KiB
Swift
import Foundation
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import SourceKittenFramework
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public struct DiscouragedOptionalBooleanRule: OptInRule, ConfigurationProviderRule {
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public var configuration = SeverityConfiguration(.warning)
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public init() {}
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public static let description = RuleDescription(
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identifier: "discouraged_optional_boolean",
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name: "Discouraged Optional Boolean",
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description: "Prefer non-optional booleans over optional booleans.",
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kind: .idiomatic,
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nonTriggeringExamples: DiscouragedOptionalBooleanRuleExamples.nonTriggeringExamples,
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triggeringExamples: DiscouragedOptionalBooleanRuleExamples.triggeringExamples
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)
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public func validate(file: File) -> [StyleViolation] {
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let booleanPattern = "Bool\\?"
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let optionalPattern = "Optional\\.some\\(\\s*(true|false)\\s*\\)"
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let pattern = "(" + [booleanPattern, optionalPattern].joined(separator: "|") + ")"
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let excludingKinds = SyntaxKind.commentAndStringKinds
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return file.match(pattern: pattern, excludingSyntaxKinds: excludingKinds).map {
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StyleViolation(ruleDescription: type(of: self).description,
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severity: configuration.severity,
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location: Location(file: file, characterOffset: $0.location))
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}
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}
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}
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