mirror of
https://github.com/realm/SwiftLint.git
synced 2026-06-06 20:18:40 +00:00
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.
35 lines
1.5 KiB
Swift
35 lines
1.5 KiB
Swift
import SourceKittenFramework
|
|
|
|
public struct IsDisjointRule: ConfigurationProviderRule {
|
|
public var configuration = SeverityConfiguration(.warning)
|
|
|
|
public init() {}
|
|
|
|
public static let description = RuleDescription(
|
|
identifier: "is_disjoint",
|
|
name: "Is Disjoint",
|
|
description: "Prefer using `Set.isDisjoint(with:)` over `Set.intersection(_:).isEmpty`.",
|
|
kind: .idiomatic,
|
|
nonTriggeringExamples: [
|
|
"_ = Set(syntaxKinds).isDisjoint(with: commentAndStringKindsSet)",
|
|
"let isObjc = !objcAttributes.isDisjoint(with: dictionary.enclosedSwiftAttributes)",
|
|
"_ = Set(syntaxKinds).intersection(commentAndStringKindsSet)",
|
|
"_ = !objcAttributes.intersection(dictionary.enclosedSwiftAttributes)"
|
|
],
|
|
triggeringExamples: [
|
|
"_ = Set(syntaxKinds).↓intersection(commentAndStringKindsSet).isEmpty",
|
|
"let isObjc = !objcAttributes.↓intersection(dictionary.enclosedSwiftAttributes).isEmpty"
|
|
]
|
|
)
|
|
|
|
public func validate(file: File) -> [StyleViolation] {
|
|
let pattern = "\\bintersection\\(\\S+\\)\\.isEmpty"
|
|
let excludingKinds = SyntaxKind.commentAndStringKinds
|
|
return file.match(pattern: pattern, excludingSyntaxKinds: excludingKinds).map {
|
|
StyleViolation(ruleDescription: type(of: self).description,
|
|
severity: configuration.severity,
|
|
location: Location(file: file, characterOffset: $0.location))
|
|
}
|
|
}
|
|
}
|