SwiftLint/Source/SwiftLintFramework/Rules/RuleConfigurations/ObjectLiteralConfiguration.swift

public struct ObjectLiteralConfiguration: RuleConfiguration, Equatable {
    private(set) var severityConfiguration = SeverityConfiguration(.warning)
    private(set) var imageLiteral = true
    private(set) var colorLiteral = true

    public var consoleDescription: String {
        return severityConfiguration.consoleDescription
            + ", image_literal: \(imageLiteral)"
            + ", color_literal: \(colorLiteral)"
    }

    public mutating func apply(configuration: Any) throws {
        guard let configuration = configuration as? [String: Any] else {
            throw ConfigurationError.unknownConfiguration
        }

        imageLiteral = configuration["image_literal"] as? Bool ?? true
        colorLiteral = configuration["color_literal"] as? Bool ?? true

        if let severityString = configuration["severity"] as? String {
            try severityConfiguration.apply(configuration: severityString)
        }
    }

    public static func == (lhs: ObjectLiteralConfiguration,
                           rhs: ObjectLiteralConfiguration) -> Bool {
        return lhs.severityConfiguration == rhs.severityConfiguration &&
            lhs.imageLiteral == rhs.imageLiteral &&
            lhs.colorLiteral == rhs.colorLiteral
    }
}