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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // | ||
| // ExplicitInitRule.swift | ||
| // SwiftLint | ||
| // | ||
| // Created by Matt Taube on 7/2/16. | ||
| // Copyright (c) 2016 Realm. All rights reserved. | ||
| // | ||
|
|
||
| import Foundation | ||
| import SourceKittenFramework | ||
|
|
||
| public struct ExplicitInitRule: ConfigurationProviderRule, CorrectableRule, OptInRule { | ||
|
|
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| private let pattern = "\\b([A-Z][A-Za-z]*)\\.init\\(" | ||
|
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| public var configuration = SeverityConfiguration(.Warning) | ||
|
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| public init() {} | ||
|
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| public static let description = RuleDescription( | ||
| identifier: "explicit_init", | ||
| name: "Explicit Init", | ||
| description: "Explicitly calling .init() should be avoided.", | ||
| nonTriggeringExamples: [ | ||
| "self.init(", | ||
| "self.init", | ||
| "Abc.init", | ||
| "abc.init(", | ||
| "$0.init(" | ||
| ], | ||
| triggeringExamples: [ | ||
| "Abc.init(", | ||
| "Abc(NSURL.init(someString" | ||
| ], | ||
| corrections: [ | ||
| "Abc.init(": "Abc(", | ||
| "Abc(NSURL.init(someString": "Abc(NSURL(someString" | ||
| ] | ||
| ) | ||
|
|
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| public func validateFile(file: File) -> [StyleViolation] { | ||
| return violationRangesInFile(file).flatMap { range in | ||
| return StyleViolation(ruleDescription: self.dynamicType.description, | ||
| severity: configuration.severity, | ||
| location: Location(file: file, characterOffset: range.location)) | ||
| } | ||
| } | ||
|
|
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| private func violationRangesInFile(file: File) -> [NSRange] { | ||
| let excludingKinds = SyntaxKind.commentAndStringKinds() | ||
|
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| return file.matchPattern(pattern, excludingSyntaxKinds: excludingKinds) | ||
| } | ||
|
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| public func correctFile(file: File) -> [Correction] { | ||
| let matches = violationRangesInFile(file) | ||
| guard !matches.isEmpty else { return [] } | ||
|
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| let regularExpression = regex(pattern) | ||
| let description = self.dynamicType.description | ||
| var corrections = [Correction]() | ||
| var contents = file.contents | ||
| for range in matches.reverse() { | ||
| contents = regularExpression.stringByReplacingMatchesInString(contents, | ||
| options: [], | ||
| range: range, | ||
| withTemplate: "$1(") | ||
| let location = Location(file: file, characterOffset: range.location) | ||
| corrections.append(Correction(ruleDescription: description, location: location)) | ||
| } | ||
|
|
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| file.write(contents) | ||
| return corrections | ||
| } | ||
| } |
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