├── Assets ├── App.png ├── Banner.png ├── UsageCode.png ├── UsageMenu.png ├── Preferences.png ├── UsageResult.png ├── Multiliner-1.0.mp4 ├── Multiliner-1.1.mp4 ├── Social Preview.jpg └── UsageShortcut.png ├── Multiliner.zip ├── .gitignore ├── Sources ├── Multiliner │ ├── Assets.xcassets │ │ ├── Contents.json │ │ ├── Banner.imageset │ │ │ ├── Banner.png │ │ │ └── Contents.json │ │ ├── AppIcon.appiconset │ │ │ ├── AppIcon-16.png │ │ │ ├── AppIcon-32.png │ │ │ ├── AppIcon-64.png │ │ │ ├── AppIcon-1024.png │ │ │ ├── AppIcon-128.png │ │ │ ├── AppIcon-256.png │ │ │ ├── AppIcon-512.png │ │ │ └── Contents.json │ │ ├── UsageCode.imageset │ │ │ ├── UsageCode.png │ │ │ └── Contents.json │ │ ├── UsageMenu.imageset │ │ │ ├── UsageMenu.png │ │ │ └── Contents.json │ │ ├── Preferences.imageset │ │ │ ├── Preferences.png │ │ │ └── Contents.json │ │ ├── UsageResult.imageset │ │ │ ├── UsageResult.png │ │ │ └── Contents.json │ │ ├── UsageShortcut.imageset │ │ │ ├── UsageShortcut.png │ │ │ └── Contents.json │ │ └── AccentColor.colorset │ │ │ └── Contents.json │ ├── Multiliner.entitlements │ ├── MultilinerApp.swift │ └── ContentView.swift ├── Multiliner.xcodeproj │ ├── project.xcworkspace │ │ ├── contents.xcworkspacedata │ │ └── xcshareddata │ │ │ └── IDEWorkspaceChecks.plist │ ├── xcuserdata │ │ └── aheze.xcuserdatad │ │ │ ├── xcdebugger │ │ │ └── Breakpoints_v2.xcbkptlist │ │ │ └── xcschemes │ │ │ └── xcschememanagement.plist │ ├── xcshareddata │ │ └── xcschemes │ │ │ ├── Multiliner.xcscheme │ │ │ └── MultilinerExtension.xcscheme │ └── project.pbxproj └── MultilinerExtension │ ├── MultilinerExtension.entitlements │ ├── SelectionKind.swift │ ├── SourceEditorExtension.swift │ ├── FormatError.swift │ ├── Extensions.swift │ ├── Info.plist │ └── FormatSelectedCodeCommand.swift ├── LICENSE └── README.md /Assets/App.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/aheze/Multiliner/HEAD/Assets/App.png -------------------------------------------------------------------------------- /Multiliner.zip: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/aheze/Multiliner/HEAD/Multiliner.zip -------------------------------------------------------------------------------- /Assets/Banner.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/aheze/Multiliner/HEAD/Assets/Banner.png -------------------------------------------------------------------------------- /Assets/UsageCode.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/aheze/Multiliner/HEAD/Assets/UsageCode.png -------------------------------------------------------------------------------- /Assets/UsageMenu.png: -------------------------------------------------------------------------------- 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-------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "info" : { 3 | "author" : "xcode", 4 | "version" : 1 5 | } 6 | } 7 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/Banner.imageset/Banner.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/aheze/Multiliner/HEAD/Sources/Multiliner/Assets.xcassets/Banner.imageset/Banner.png -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/AppIcon.appiconset/AppIcon-16.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/aheze/Multiliner/HEAD/Sources/Multiliner/Assets.xcassets/AppIcon.appiconset/AppIcon-16.png 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https://raw.githubusercontent.com/aheze/Multiliner/HEAD/Sources/Multiliner/Assets.xcassets/UsageShortcut.imageset/UsageShortcut.png -------------------------------------------------------------------------------- /Sources/Multiliner.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /Sources/Multiliner/Multiliner.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/AccentColor.colorset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "colors" : [ 3 | { 4 | "idiom" : "universal" 5 | } 6 | ], 7 | "info" : { 8 | "author" : "xcode", 9 | "version" : 1 10 | } 11 | } 12 | -------------------------------------------------------------------------------- /Sources/Multiliner.xcodeproj/xcuserdata/aheze.xcuserdatad/xcdebugger/Breakpoints_v2.xcbkptlist: -------------------------------------------------------------------------------- 1 | 2 | 6 | 7 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/Banner.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "Banner.png", 5 | "idiom" : "universal" 6 | } 7 | ], 8 | "info" : { 9 | "author" : "xcode", 10 | "version" : 1 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/UsageCode.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "UsageCode.png", 5 | "idiom" : "universal" 6 | } 7 | ], 8 | "info" : { 9 | "author" : "xcode", 10 | "version" : 1 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/UsageMenu.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "UsageMenu.png", 5 | "idiom" : "universal" 6 | } 7 | ], 8 | "info" : { 9 | "author" : "xcode", 10 | "version" : 1 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/Preferences.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "Preferences.png", 5 | "idiom" : "universal" 6 | } 7 | ], 8 | "info" : { 9 | "author" : "xcode", 10 | "version" : 1 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/UsageResult.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "UsageResult.png", 5 | "idiom" : "universal" 6 | } 7 | ], 8 | "info" : { 9 | "author" : "xcode", 10 | "version" : 1 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/UsageShortcut.imageset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "UsageShortcut.png", 5 | "idiom" : "universal" 6 | } 7 | ], 8 | "info" : { 9 | "author" : "xcode", 10 | "version" : 1 11 | } 12 | } 13 | -------------------------------------------------------------------------------- /Sources/MultilinerExtension/MultilinerExtension.entitlements: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | com.apple.security.app-sandbox 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /Sources/MultilinerExtension/SelectionKind.swift: -------------------------------------------------------------------------------- 1 | // 2 | // SelectionKind.swift 3 | // Multiliner 4 | // 5 | // Created by A. Zheng (github.com/aheze) on 7/5/22. 6 | // Copyright © 2022 A. Zheng. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | enum SelectionKind { 12 | case parameters 13 | case array 14 | } 15 | -------------------------------------------------------------------------------- /Sources/Multiliner.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | IDEDidComputeMac32BitWarning 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /Sources/MultilinerExtension/SourceEditorExtension.swift: -------------------------------------------------------------------------------- 1 | // 2 | // SourceEditorExtension.swift 3 | // Multiliner 4 | // 5 | // Created by A. Zheng (github.com/aheze) on 6/27/22. 6 | // Copyright © 2022 A. Zheng. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import XcodeKit 11 | 12 | /// Boilerplate code. 13 | class SourceEditorExtension: NSObject, XCSourceEditorExtension {} 14 | -------------------------------------------------------------------------------- /Sources/Multiliner/MultilinerApp.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MultilinerApp.swift 3 | // Multiliner 4 | // 5 | // Created by A. Zheng (github.com/aheze) on 6/27/22. 6 | // Copyright © 2022 A. Zheng. All rights reserved. 7 | // 8 | 9 | 10 | import SwiftUI 11 | 12 | @main 13 | struct MultilinerApp: App { 14 | var body: some Scene { 15 | WindowGroup { 16 | ContentView() 17 | } 18 | } 19 | } 20 | -------------------------------------------------------------------------------- /Sources/MultilinerExtension/FormatError.swift: -------------------------------------------------------------------------------- 1 | // 2 | // FormatError.swift 3 | // Multiliner 4 | // 5 | // Created by A. Zheng (github.com/aheze) on 7/5/22. 6 | // Copyright © 2022 A. Zheng. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | 11 | enum FormatError: Error, CustomStringConvertible, LocalizedError, CustomNSError { 12 | case noSelection 13 | case invalidSelection 14 | 15 | var description: String { 16 | switch self { 17 | case .noSelection: 18 | return "No selection." 19 | case .invalidSelection: 20 | return "Selection must be bounded by `()` or `[]`." 21 | } 22 | } 23 | 24 | var localizedDescription: String { 25 | return "Error: \(description)." 26 | } 27 | 28 | var errorUserInfo: [String: Any] { 29 | return [NSLocalizedDescriptionKey: localizedDescription] 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /Sources/MultilinerExtension/Extensions.swift: -------------------------------------------------------------------------------- 1 | // 2 | // Extensions.swift 3 | // Multiliner 4 | // 5 | // Created by A. Zheng (github.com/aheze) on 7/5/22. 6 | // Copyright © 2022 A. Zheng. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import XcodeKit 11 | 12 | extension XCSourceEditorCommand { 13 | /// Get the lines of an entire files as an array of `String`s. 14 | func getLines(from buffer: XCSourceTextBuffer) -> [String] { 15 | guard let lines = buffer.lines as? [String] else { return [] } 16 | return lines 17 | } 18 | 19 | /// Get a single string from a range. 20 | func getText(from range: XCSourceTextRange, buffer: XCSourceTextBuffer) -> String { 21 | let allLines = getLines(from: buffer) 22 | let lines = allLines[range.start.line ... range.end.line] 23 | let text = lines.map { String($0) }.joined() 24 | return text 25 | } 26 | } 27 | -------------------------------------------------------------------------------- /Sources/Multiliner.xcodeproj/xcuserdata/aheze.xcuserdatad/xcschemes/xcschememanagement.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | SchemeUserState 6 | 7 | Multiliner.xcscheme_^#shared#^_ 8 | 9 | orderHint 10 | 1 11 | 12 | MultilinerExtension.xcscheme_^#shared#^_ 13 | 14 | orderHint 15 | 0 16 | 17 | 18 | SuppressBuildableAutocreation 19 | 20 | 3C08D429286A3F160068FA83 21 | 22 | primary 23 | 24 | 25 | 3C08D43F286A3F3D0068FA83 26 | 27 | primary 28 | 29 | 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /Sources/MultilinerExtension/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | NSExtension 6 | 7 | NSExtensionAttributes 8 | 9 | XCSourceEditorCommandDefinitions 10 | 11 | 12 | XCSourceEditorCommandClassName 13 | $(PRODUCT_MODULE_NAME).FormatSelectedCodeCommand 14 | XCSourceEditorCommandIdentifier 15 | $(PRODUCT_BUNDLE_IDENTIFIER).FormatSelectedCodeCommand 16 | XCSourceEditorCommandName 17 | Format Selected Code 18 | 19 | 20 | XCSourceEditorExtensionPrincipalClass 21 | $(PRODUCT_MODULE_NAME).SourceEditorExtension 22 | 23 | NSExtensionPointIdentifier 24 | com.apple.dt.Xcode.extension.source-editor 25 | 26 | 27 | 28 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | MIT License 2 | 3 | Copyright (c) 2022 A. Zheng 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /Sources/Multiliner/Assets.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "filename" : "AppIcon-16.png", 5 | "idiom" : "mac", 6 | "scale" : "1x", 7 | "size" : "16x16" 8 | }, 9 | { 10 | "filename" : "AppIcon-32.png", 11 | "idiom" : "mac", 12 | "scale" : "2x", 13 | "size" : "16x16" 14 | }, 15 | { 16 | "filename" : "AppIcon-32.png", 17 | "idiom" : "mac", 18 | "scale" : "1x", 19 | "size" : "32x32" 20 | }, 21 | { 22 | "filename" : "AppIcon-64.png", 23 | "idiom" : "mac", 24 | "scale" : "2x", 25 | "size" : "32x32" 26 | }, 27 | { 28 | "filename" : "AppIcon-128.png", 29 | "idiom" : "mac", 30 | "scale" : "1x", 31 | "size" : "128x128" 32 | }, 33 | { 34 | "filename" : "AppIcon-256.png", 35 | "idiom" : "mac", 36 | "scale" : "2x", 37 | "size" : "128x128" 38 | }, 39 | { 40 | "filename" : "AppIcon-256.png", 41 | "idiom" : "mac", 42 | "scale" : "1x", 43 | "size" : "256x256" 44 | }, 45 | { 46 | "filename" : "AppIcon-512.png", 47 | "idiom" : "mac", 48 | "scale" : "2x", 49 | "size" : "256x256" 50 | }, 51 | { 52 | "filename" : "AppIcon-512.png", 53 | "idiom" : "mac", 54 | "scale" : "1x", 55 | "size" : "512x512" 56 | }, 57 | { 58 | "filename" : "AppIcon-1024.png", 59 | "idiom" : "mac", 60 | "scale" : "2x", 61 | "size" : "512x512" 62 | } 63 | ], 64 | "info" : { 65 | "author" : "xcode", 66 | "version" : 1 67 | } 68 | } 69 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ![Header image](Assets/Banner.png) 2 | 3 | # Multiliner 4 | 5 | An Xcode source extension to expand lengthy lines. 6 | 7 | - Super lightweight, it's like a script. 8 | - It expands long lines. That's it! 9 | - Works with: 10 | - Initializers 11 | - Function calls 12 | - Array literals 13 | - SwiftUI modifiers 14 | 15 | ### Showcase 16 | 17 | https://user-images.githubusercontent.com/49819455/176060861-4bab03cc-a953-4839-b04e-cf05864f879e.mp4 18 | 19 | ### Installation 20 | 21 | 1. Download the app [directly](https://github.com/aheze/Multiliner/raw/main/Multiliner.zip) or through Homebrew 22 | 23 | ```bash 24 | brew install hkamran80/things/multiliner 25 | ``` 26 | 27 | **Note:** Multiliner requires macOS Monterey (12.3) or higher. 28 | 29 | 2. Open the app 30 | 3. Go to System Preferences → Extensions and check `Multiliner` 31 | 32 | System Preferences 33 | 34 | ### Usage 35 | 36 | It's simple, just highlight the code that you want to format, then press Editor → Multiliner → Format Selected Code. More details in the app. 37 | 38 | Screenshot of the app 39 | 40 | ### Shortcut 41 | 42 | If you'd like to access Multiliner quicker, try adding a key binding. Go to Xcode → Preferences → Key Bindings, then search for "Multiliner": 43 | 44 | Setting a key binding in Xcode 45 | 46 | 47 | ### Author 48 | 49 | Multiliner is made by [aheze](https://github.com/aheze). 50 | 51 | ### Contributing 52 | 53 | All contributions are welcome. Just [fork](https://github.com/aheze/Multiliner/fork) the repo, then make a pull request. 54 | 55 | ### Need Help? 56 | 57 | Open an [issue](https://github.com/aheze/Multiliner/issues) or join the [Discord server](https://discord.com/invite/Pmq8fYcus2). You can also ping me on [Twitter](https://twitter.com/aheze0). Or read the source code, I added a bunch of comments. 58 | 59 | ### License 60 | 61 | ```text 62 | MIT License 63 | 64 | Copyright (c) 2022 A. Zheng 65 | 66 | Permission is hereby granted, free of charge, to any person obtaining a copy 67 | of this software and associated documentation files (the "Software"), to deal 68 | in the Software without restriction, including without limitation the rights 69 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 70 | copies of the Software, and to permit persons to whom the Software is 71 | furnished to do so, subject to the following conditions: 72 | 73 | The above copyright notice and this permission notice shall be included in all 74 | copies or substantial portions of the Software. 75 | 76 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 77 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 78 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 79 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 80 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 81 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 82 | SOFTWARE. 83 | ``` 84 | -------------------------------------------------------------------------------- /Sources/Multiliner.xcodeproj/xcshareddata/xcschemes/Multiliner.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 32 | 33 | 43 | 45 | 51 | 52 | 53 | 54 | 60 | 62 | 68 | 69 | 70 | 71 | 73 | 74 | 77 | 78 | 79 | -------------------------------------------------------------------------------- /Sources/Multiliner.xcodeproj/xcshareddata/xcschemes/MultilinerExtension.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 6 | 9 | 10 | 16 | 22 | 23 | 24 | 30 | 36 | 37 | 38 | 39 | 40 | 45 | 46 | 47 | 48 | 60 | 62 | 68 | 69 | 70 | 71 | 79 | 81 | 87 | 88 | 89 | 90 | 92 | 93 | 96 | 97 | 98 | -------------------------------------------------------------------------------- /Sources/MultilinerExtension/FormatSelectedCodeCommand.swift: -------------------------------------------------------------------------------- 1 | // 2 | // SourceEditorCommand.swift 3 | // Multiliner 4 | // 5 | // Created by A. Zheng (github.com/aheze) on 6/27/22. 6 | // Copyright © 2022 A. Zheng. All rights reserved. 7 | // 8 | 9 | import Foundation 10 | import XcodeKit 11 | 12 | class FormatSelectedCodeCommand: NSObject, XCSourceEditorCommand { 13 | /// The `Format Selected Code` command. 14 | func perform(with invocation: XCSourceEditorCommandInvocation, completionHandler: @escaping (Error?) -> Void) { 15 | /// Get the selection first. 16 | guard 17 | let selection = invocation.buffer.selections.firstObject, 18 | let range = selection as? XCSourceTextRange 19 | else { 20 | completionHandler(FormatError.noSelection) 21 | return 22 | } 23 | 24 | /// It's possible that the user selected the last "extra" line too. 25 | if range.start.line > invocation.buffer.lines.count - 1 { range.start.line -= 1 } 26 | if range.end.line > invocation.buffer.lines.count - 1 { range.end.line -= 1 } 27 | 28 | /// Store the current lines of the entire file. 29 | let oldLines = getLines(from: invocation.buffer) 30 | 31 | /// The width of a single tab, usually ` `. 32 | let tab: String 33 | 34 | /// The selection's starting tab. 35 | /// Example: 36 | // **input** ` init()` 37 | // **output** ` ` 38 | let startTab: Substring 39 | 40 | let startColumn: Int 41 | 42 | if invocation.buffer.usesTabsForIndentation { 43 | tab = "\u{0009}" /// Tab character. 44 | 45 | startTab = oldLines[range.start.line] 46 | .prefix { $0 == "\u{0009}" } 47 | 48 | startColumn = startTab.count 49 | 50 | } else { 51 | startTab = oldLines[range.start.line] 52 | .prefix { $0 == " " } 53 | 54 | tab = String(repeating: " ", count: invocation.buffer.indentationWidth) 55 | 56 | startColumn = startTab.count / invocation.buffer.indentationWidth 57 | } 58 | 59 | /// The tab that prefixes each parameter/array element. 60 | let contentTab = startTab + tab 61 | 62 | /// The entire text of the file. 63 | let text = getText(from: range, buffer: invocation.buffer) 64 | 65 | /// Get the opening and closing indices if the selected text contains parameters. 66 | let openingParenthesisIndex = text.firstIndex(of: "(") 67 | let closingParenthesisIndex = text.lastIndex(of: ")") 68 | 69 | /// Get the opening and closing array element if the selected text is an array. 70 | let openingArrayIndex = text.firstIndex(of: "[") 71 | let closingArrayIndex = text.lastIndex(of: "]") 72 | 73 | /// Determine if the selection was an array or a set of parameters. 74 | /// Only use the opening brace for comparison. 75 | var selectionKind: SelectionKind 76 | switch (openingParenthesisIndex, openingArrayIndex) { 77 | case let (.some(openingParenthesisIndex), .some(openingArrayIndex)): 78 | if openingParenthesisIndex < openingArrayIndex { 79 | selectionKind = .parameters 80 | } else { 81 | selectionKind = .array 82 | } 83 | case (.some, .none): 84 | selectionKind = .parameters 85 | case (.none, .some): 86 | selectionKind = .array 87 | default: 88 | completionHandler(FormatError.noSelection) 89 | return 90 | } 91 | 92 | /// Determine if the selection was an array or a set of parameters. 93 | let openingBracesIndex: String.Index? = selectionKind == .parameters 94 | ? openingParenthesisIndex 95 | : openingArrayIndex 96 | 97 | let closingBracesIndex: String.Index? = selectionKind == .parameters 98 | ? closingParenthesisIndex 99 | : closingArrayIndex 100 | 101 | /// Make sure there's an opening and closing index. 102 | guard let openingBracesIndex = openingBracesIndex, let closingBracesIndex = closingBracesIndex else { 103 | completionHandler(FormatError.invalidSelection) 104 | return 105 | } 106 | 107 | /// Skip the opening `(` or `[`. 108 | let openingContentIndex = text.index(after: openingBracesIndex) 109 | let closingContentIndex = closingBracesIndex 110 | 111 | /// The text inside the braces. 112 | let contentsString = text[openingContentIndex ..< closingContentIndex] 113 | let contents = contentsString 114 | .components(separatedBy: ",") 115 | 116 | /// Format the content by adding spaces and commas. 117 | let contentsFormatted: [String] = contents.enumerated() 118 | .map { index, element in 119 | let line = element.trimmingCharacters(in: .whitespacesAndNewlines) 120 | if index == contents.indices.last { 121 | return contentTab + line 122 | } else { 123 | return contentTab + line + "," 124 | } 125 | } 126 | 127 | /// The string that comes before the selection. 128 | let openingString = text[..