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108 lines
4.2 KiB
Swift
108 lines
4.2 KiB
Swift
//
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// SwiftFormatFile.swift
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// SwiftFormat for Xcode
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//
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// Created by Vincent Bernier on 08-03-18.
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// Copyright © 2018 Nick Lockwood.
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//
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// Distributed under the permissive MIT license
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// Get the latest version from here:
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//
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// https://github.com/nicklockwood/SwiftFormat
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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import Foundation
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let swiftFormatFileExtension = "swiftformat"
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struct SwiftFormatCLIArgumentsFile {
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let rules: [Rule]
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let options: FormatOptions?
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init(rules: [Rule], options: FormatOptions?) {
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self.rules = rules
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self.options = options
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}
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func encoded() -> Data {
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var arguments = ""
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if let options = options {
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arguments += commandLineArguments(for: options).map { "--\($0) \($1)\n" }.sorted().joined()
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}
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let rules = self.rules.sorted(by: { $0.name < $1.name })
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var defaultRules = Set(FormatRules.byName.map { $0.key })
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FormatRules.disabledByDefault.forEach { defaultRules.remove($0) }
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let enabled = rules.filter { $0.isEnabled && !defaultRules.contains($0.name) }
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if !enabled.isEmpty {
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arguments += "--enable \(enabled.map { $0.name }.joined(separator: ","))\n"
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}
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let disabled = rules.filter { !$0.isEnabled && defaultRules.contains($0.name) }
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if !disabled.isEmpty {
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arguments += "--disable \(disabled.map { $0.name }.joined(separator: ","))\n"
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}
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return Data(arguments.utf8)
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}
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static func decoded(_ data: Data) throws -> SwiftFormatCLIArgumentsFile {
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guard let input = String(data: data, encoding: .utf8) else {
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throw FormatError.reading("unable to read data for configuration file")
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}
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do {
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let inputs = input.components(separatedBy: CharacterSet.whitespacesAndNewlines)
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let args = try preprocessArguments(inputs, commandLineArguments)
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let allRules = Set(FormatRules.byName.map { $0.key })
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func getRules(_ name: String) throws -> Set<String>? {
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guard let rules = args[name]?.components(separatedBy: ",") else {
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return nil
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}
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try rules.forEach {
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if !allRules.contains($0) {
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throw FormatError.reading("unknown rule '\($0)' in --\(name)")
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}
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}
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return Set(rules)
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}
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var ruleNames = try getRules("rules") ?? {
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var defaultRules = allRules
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FormatRules.disabledByDefault.forEach { defaultRules.remove($0) }
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return defaultRules
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}()
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try getRules("enable")?.forEach { ruleNames.insert($0) }
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try getRules("disable")?.forEach { ruleNames.remove($0) }
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let rules = allRules.map { Rule(name: $0, isEnabled: ruleNames.contains($0)) }
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CLI.print = { _, _ in } // Prevent crash if file contains deprecated rules
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return try SwiftFormatCLIArgumentsFile(rules: rules, options: formatOptionsFor(args))
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} catch let error as FormatError {
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throw error
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} catch {
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throw FormatError.reading("unable to read data for configuration file")
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}
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}
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}
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