SwiftLint/Source/SwiftLintFramework/Rules/Idiomatic/LegacyConstantRule.swift

47 lines
1.8 KiB
Swift

import Foundation
import SourceKittenFramework
public struct LegacyConstantRule: CorrectableRule, ConfigurationProviderRule, AutomaticTestableRule {
public var configuration = SeverityConfiguration(.warning)
public init() {}
public static let description = RuleDescription(
identifier: "legacy_constant",
name: "Legacy Constant",
description: "Struct-scoped constants are preferred over legacy global constants.",
kind: .idiomatic,
nonTriggeringExamples: LegacyConstantRuleExamples.nonTriggeringExamples,
triggeringExamples: LegacyConstantRuleExamples.triggeringExamples,
corrections: LegacyConstantRuleExamples.corrections
)
private static let legacyConstants: [String] = {
return Array(LegacyConstantRule.legacyPatterns.keys)
}()
private static let legacyPatterns = LegacyConstantRuleExamples.patterns
public func validate(file: SwiftLintFile) -> [StyleViolation] {
let pattern = "\\b" + LegacyConstantRule.legacyConstants.joined(separator: "|")
return file.match(pattern: pattern, range: nil)
.filter { Set($0.1).isSubset(of: [.identifier]) }
.map { $0.0 }
.map {
StyleViolation(ruleDescription: type(of: self).description,
severity: configuration.severity,
location: Location(file: file, characterOffset: $0.location))
}
}
public func correct(file: SwiftLintFile) -> [Correction] {
var wordBoundPatterns: [String: String] = [:]
LegacyConstantRule.legacyPatterns.forEach { key, value in
wordBoundPatterns["\\b" + key] = value
}
return file.correct(legacyRule: self, patterns: wordBoundPatterns)
}
}