├── .gitignore ├── Example ├── AppDelegate.swift ├── Base.lproj │ ├── LaunchScreen.xib │ └── Main.storyboard ├── Images.xcassets │ └── AppIcon.appiconset │ │ └── Contents.json ├── Info.plist └── ViewController.swift ├── LICENSE ├── MarkdownTextView.podspec ├── MarkdownTextView.xcodeproj ├── project.pbxproj ├── project.xcworkspace │ └── contents.xcworkspacedata └── xcshareddata │ └── xcschemes │ └── MarkdownTextView.xcscheme ├── MarkdownTextView ├── HighlighterTextStorage.swift ├── HighlighterType.swift ├── Info.plist ├── LinkHighlighter.swift ├── MarkdownAttributes.swift ├── MarkdownFencedCodeHighlighter.swift ├── MarkdownHeaderHighlighter.swift ├── MarkdownLinkHighlighter.swift ├── MarkdownListHighlighter.swift ├── MarkdownStrikethroughHighlighter.swift ├── MarkdownSuperscriptHighlighter.swift ├── MarkdownTextStorage.swift ├── MarkdownTextView.h ├── MarkdownTextView.swift ├── RegularExpressionHighlighter.swift └── TextUtilities.swift ├── MarkdownTextViewTests ├── Info.plist └── MarkdownTextViewTests.swift ├── README.md └── screenshot.png /.gitignore: -------------------------------------------------------------------------------- 1 | # Xcode 2 | # 3 | build/ 4 | *.pbxuser 5 | !default.pbxuser 6 | *.mode1v3 7 | !default.mode1v3 8 | *.mode2v3 9 | !default.mode2v3 10 | *.perspectivev3 11 | !default.perspectivev3 12 | xcuserdata 13 | *.xccheckout 14 | *.moved-aside 15 | DerivedData 16 | *.hmap 17 | *.ipa 18 | *.xcuserstate 19 | 20 | # CocoaPods 21 | # 22 | # We recommend against adding the Pods directory to your .gitignore. However 23 | # you should judge for yourself, the pros and cons are mentioned at: 24 | # http://guides.cocoapods.org/using/using-cocoapods.html#should-i-ignore-the-pods-directory-in-source-control 25 | # 26 | # Pods/ 27 | 28 | # Carthage 29 | # 30 | # Add this line if you want to avoid checking in source code from Carthage dependencies. 31 | # Carthage/Checkouts 32 | 33 | Carthage/Build 34 | -------------------------------------------------------------------------------- /Example/AppDelegate.swift: -------------------------------------------------------------------------------- 1 | // 2 | // AppDelegate.swift 3 | // Example 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | @UIApplicationMain 12 | class AppDelegate: UIResponder, UIApplicationDelegate { 13 | 14 | var window: UIWindow? 15 | 16 | 17 | func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { 18 | // Override point for customization after application launch. 19 | return true 20 | } 21 | 22 | func applicationWillResignActive(application: UIApplication) { 23 | // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state. 24 | // Use this method to pause ongoing tasks, disable timers, and throttle down OpenGL ES frame rates. Games should use this method to pause the game. 25 | } 26 | 27 | func applicationDidEnterBackground(application: UIApplication) { 28 | // Use this method to release shared resources, save user data, invalidate timers, and store enough application state information to restore your application to its current state in case it is terminated later. 29 | // If your application supports background execution, this method is called instead of applicationWillTerminate: when the user quits. 30 | } 31 | 32 | func applicationWillEnterForeground(application: UIApplication) { 33 | // Called as part of the transition from the background to the inactive state; here you can undo many of the changes made on entering the background. 34 | } 35 | 36 | func applicationDidBecomeActive(application: UIApplication) { 37 | // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface. 38 | } 39 | 40 | func applicationWillTerminate(application: UIApplication) { 41 | // Called when the application is about to terminate. Save data if appropriate. See also applicationDidEnterBackground:. 42 | } 43 | 44 | 45 | } 46 | 47 | -------------------------------------------------------------------------------- /Example/Base.lproj/LaunchScreen.xib: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 20 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | -------------------------------------------------------------------------------- /Example/Base.lproj/Main.storyboard: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | -------------------------------------------------------------------------------- /Example/Images.xcassets/AppIcon.appiconset/Contents.json: -------------------------------------------------------------------------------- 1 | { 2 | "images" : [ 3 | { 4 | "idiom" : "iphone", 5 | "size" : "29x29", 6 | "scale" : "2x" 7 | }, 8 | { 9 | "idiom" : "iphone", 10 | "size" : "29x29", 11 | "scale" : "3x" 12 | }, 13 | { 14 | "idiom" : "iphone", 15 | "size" : "40x40", 16 | "scale" : "2x" 17 | }, 18 | { 19 | "idiom" : "iphone", 20 | "size" : "40x40", 21 | "scale" : "3x" 22 | }, 23 | { 24 | "idiom" : "iphone", 25 | "size" : "60x60", 26 | "scale" : "2x" 27 | }, 28 | { 29 | "idiom" : "iphone", 30 | "size" : "60x60", 31 | "scale" : "3x" 32 | } 33 | ], 34 | "info" : { 35 | "version" : 1, 36 | "author" : "xcode" 37 | } 38 | } -------------------------------------------------------------------------------- /Example/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | APPL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | LSRequiresIPhoneOS 24 | 25 | UILaunchStoryboardName 26 | LaunchScreen 27 | UIMainStoryboardFile 28 | Main 29 | UIRequiredDeviceCapabilities 30 | 31 | armv7 32 | 33 | UISupportedInterfaceOrientations 34 | 35 | UIInterfaceOrientationPortrait 36 | UIInterfaceOrientationLandscapeLeft 37 | UIInterfaceOrientationLandscapeRight 38 | 39 | 40 | 41 | -------------------------------------------------------------------------------- /Example/ViewController.swift: -------------------------------------------------------------------------------- 1 | // 2 | // ViewController.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/27/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import MarkdownTextView 11 | 12 | class ViewController: UIViewController { 13 | override func viewDidLoad() { 14 | super.viewDidLoad() 15 | 16 | let attributes = MarkdownAttributes() 17 | let textStorage = MarkdownTextStorage(attributes: attributes) 18 | do { 19 | textStorage.addHighlighter(try LinkHighlighter()) 20 | } catch let error { 21 | fatalError("Error initializing LinkHighlighter: \(error)") 22 | } 23 | textStorage.addHighlighter(MarkdownStrikethroughHighlighter()) 24 | textStorage.addHighlighter(MarkdownSuperscriptHighlighter()) 25 | if let codeBlockAttributes = attributes.codeBlockAttributes { 26 | textStorage.addHighlighter(MarkdownFencedCodeHighlighter(attributes: codeBlockAttributes)) 27 | } 28 | 29 | let textView = MarkdownTextView(frame: CGRectZero, textStorage: textStorage) 30 | textView.translatesAutoresizingMaskIntoConstraints = false 31 | view.addSubview(textView) 32 | 33 | let views = ["textView": textView] 34 | var constraints = NSLayoutConstraint.constraintsWithVisualFormat("V:|-20-[textView]-20-|", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: views) 35 | constraints += NSLayoutConstraint.constraintsWithVisualFormat("H:|-20-[textView]-20-|", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: views) 36 | NSLayoutConstraint.activateConstraints(constraints) 37 | } 38 | } 39 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Copyright (c) 2014 Indragie Karunaratne 2 | 3 | Permission is hereby granted, free of charge, to any person obtaining a copy 4 | of this software and associated documentation files (the "Software"), to deal 5 | in the Software without restriction, including without limitation the rights 6 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 | copies of the Software, and to permit persons to whom the Software is 8 | furnished to do so, subject to the following conditions: 9 | 10 | The above copyright notice and this permission notice shall be included in 11 | all copies or substantial portions of the Software. 12 | 13 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 | THE SOFTWARE. 20 | -------------------------------------------------------------------------------- /MarkdownTextView.podspec: -------------------------------------------------------------------------------- 1 | Pod::Spec.new do |s| 2 | s.name = "MarkdownTextView" 3 | s.version = "1.0.0" 4 | s.summary = "Rich Markdown editing control for iOS" 5 | s.homepage = "https://github.com/indragiek/MarkdownTextView" 6 | s.screenshots = "https://github.com/indragiek/MarkdownTextView/blob/master/screenshot.png" 7 | s.license = 'MIT' 8 | s.author = { "indragiek" => "i@indragie.com"} 9 | s.source = { :git => "https://github.com/indragiek/MarkdownTextView.git", :tag => s.version.to_s } 10 | s.platform = :ios, '8.0' 11 | s.requires_arc = true 12 | s.source_files = 'MarkdownTextView/**/*' 13 | end 14 | -------------------------------------------------------------------------------- /MarkdownTextView.xcodeproj/project.pbxproj: -------------------------------------------------------------------------------- 1 | // !$*UTF8*$! 2 | { 3 | archiveVersion = 1; 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643 | defaultConfigurationIsVisible = 0; 644 | defaultConfigurationName = Release; 645 | }; 646 | /* End XCConfigurationList section */ 647 | }; 648 | rootObject = 7252E0241AF1BC1D006D0535 /* Project object */; 649 | } 650 | -------------------------------------------------------------------------------- /MarkdownTextView.xcodeproj/project.xcworkspace/contents.xcworkspacedata: -------------------------------------------------------------------------------- 1 | 2 | 4 | 6 | 7 | 8 | -------------------------------------------------------------------------------- /MarkdownTextView.xcodeproj/xcshareddata/xcschemes/MarkdownTextView.xcscheme: -------------------------------------------------------------------------------- 1 | 2 | 5 | 8 | 9 | 15 | 21 | 22 | 23 | 24 | 25 | 30 | 31 | 33 | 39 | 40 | 41 | 42 | 43 | 49 | 50 | 51 | 52 | 53 | 54 | 64 | 65 | 71 | 72 | 73 | 74 | 75 | 76 | 82 | 83 | 89 | 90 | 91 | 92 | 94 | 95 | 98 | 99 | 100 | -------------------------------------------------------------------------------- /MarkdownTextView/HighlighterTextStorage.swift: -------------------------------------------------------------------------------- 1 | // 2 | // RegularExpressionTextStorage.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/28/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Text storage with support for automatically highlighting text 13 | * as it changes. 14 | */ 15 | public class HighlighterTextStorage: NSTextStorage { 16 | private let backingStore: NSMutableAttributedString 17 | private var highlighters = [HighlighterType]() 18 | 19 | /// Default attributes to use for styling text. 20 | public var defaultAttributes: [String: AnyObject] = [ 21 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleBody) 22 | ] { 23 | didSet { editedAll(.EditedAttributes) } 24 | } 25 | 26 | // MARK: API 27 | 28 | /** 29 | Adds a highlighter to use for highlighting text. 30 | 31 | Highlighters are invoked in the order in which they are added. 32 | 33 | :param: highlighter The highlighter to add. 34 | */ 35 | public func addHighlighter(highlighter: HighlighterType) { 36 | highlighters.append(highlighter) 37 | editedAll(.EditedAttributes) 38 | } 39 | 40 | // MARK: Initialization 41 | 42 | public override init() { 43 | backingStore = NSMutableAttributedString(string: "", attributes: defaultAttributes) 44 | super.init() 45 | } 46 | 47 | required public init?(coder aDecoder: NSCoder) { 48 | backingStore = NSMutableAttributedString(string: "", attributes: defaultAttributes) 49 | super.init(coder: aDecoder) 50 | } 51 | 52 | // MARK: NSTextStorage 53 | 54 | public override var string: String { 55 | return backingStore.string 56 | } 57 | 58 | public override func attributesAtIndex(location: Int, effectiveRange range: NSRangePointer) -> [String : AnyObject] { 59 | return backingStore.attributesAtIndex(location, effectiveRange: range) 60 | } 61 | 62 | public override func replaceCharactersInRange(range: NSRange, withAttributedString attrString: NSAttributedString) { 63 | backingStore.replaceCharactersInRange(range, withAttributedString: attrString) 64 | edited(.EditedCharacters, range: range, changeInLength: attrString.length - range.length) 65 | } 66 | 67 | public override func setAttributes(attrs: [String : AnyObject]?, range: NSRange) { 68 | backingStore.setAttributes(attrs, range: range) 69 | edited(.EditedAttributes, range: range, changeInLength: 0) 70 | } 71 | 72 | public override func processEditing() { 73 | // This is inefficient but necessary because certain 74 | // edits can cause formatting changes that span beyond 75 | // line or paragraph boundaries. This should be alright 76 | // for small amounts of text (which is the use case that 77 | // this was designed for), but would need to be optimized 78 | // for any kind of heavy editing. 79 | highlightRange(NSRange(location: 0, length: (string as NSString).length)) 80 | super.processEditing() 81 | } 82 | 83 | private func editedAll(actions: NSTextStorageEditActions) { 84 | edited(actions, range: NSRange(location: 0, length: backingStore.length), changeInLength: 0) 85 | } 86 | 87 | private func highlightRange(range: NSRange) { 88 | backingStore.beginEditing() 89 | setAttributes(defaultAttributes, range: range) 90 | let attrString = backingStore.attributedSubstringFromRange(range).mutableCopy() as! NSMutableAttributedString 91 | for highlighter in highlighters { 92 | highlighter.highlightAttributedString(attrString) 93 | } 94 | replaceCharactersInRange(range, withAttributedString: attrString) 95 | backingStore.endEditing() 96 | } 97 | } 98 | -------------------------------------------------------------------------------- /MarkdownTextView/HighlighterType.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownExtensionType.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Used with `HighlighterTextStorage` to add support for highlighting 13 | * text inside the text storage when the text changes. 14 | */ 15 | public protocol HighlighterType { 16 | /** 17 | * Highlights the text in `attributedString` 18 | */ 19 | func highlightAttributedString(attributedString: NSMutableAttributedString) 20 | } 21 | -------------------------------------------------------------------------------- /MarkdownTextView/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | FMWK 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | $(CURRENT_PROJECT_VERSION) 23 | NSPrincipalClass 24 | 25 | 26 | 27 | -------------------------------------------------------------------------------- /MarkdownTextView/LinkHighlighter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // LinkHighlighter.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Highlights URLs. 13 | */ 14 | public final class LinkHighlighter: HighlighterType { 15 | private var detector: NSDataDetector! 16 | 17 | public init() throws { 18 | detector = try NSDataDetector(types: NSTextCheckingType.Link.rawValue) 19 | } 20 | 21 | // MARK: HighlighterType 22 | 23 | public func highlightAttributedString(attributedString: NSMutableAttributedString) { 24 | enumerateMatches(detector, string: attributedString.string) { 25 | if let URL = $0.URL { 26 | let linkAttributes = [ 27 | NSLinkAttributeName: URL 28 | ] 29 | attributedString.addAttributes(linkAttributes, range: $0.range) 30 | } 31 | } 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownAttributes.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownAttributes.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/28/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Encapsulates the attributes to use for styling various types 13 | * of Markdown elements. 14 | */ 15 | public struct MarkdownAttributes { 16 | public var defaultAttributes: TextAttributes = [ 17 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleBody) 18 | ] 19 | 20 | public var strongAttributes: TextAttributes? 21 | public var emphasisAttributes: TextAttributes? 22 | 23 | public struct HeaderAttributes { 24 | public var h1Attributes: TextAttributes? = [ 25 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleHeadline) 26 | ] 27 | 28 | public var h2Attributes: TextAttributes? = [ 29 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleHeadline) 30 | ] 31 | 32 | public var h3Attributes: TextAttributes? = [ 33 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleHeadline) 34 | ] 35 | 36 | public var h4Attributes: TextAttributes? = [ 37 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleSubheadline) 38 | ] 39 | 40 | public var h5Attributes: TextAttributes? = [ 41 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleSubheadline) 42 | ] 43 | 44 | public var h6Attributes: TextAttributes? = [ 45 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleSubheadline) 46 | ] 47 | 48 | func attributesForHeaderLevel(level: Int) -> TextAttributes? { 49 | switch level { 50 | case 1: return h1Attributes 51 | case 2: return h2Attributes 52 | case 3: return h3Attributes 53 | case 4: return h4Attributes 54 | case 5: return h5Attributes 55 | case 6: return h6Attributes 56 | default: return nil 57 | } 58 | } 59 | 60 | public init() {} 61 | } 62 | 63 | public var headerAttributes: HeaderAttributes? = HeaderAttributes() 64 | 65 | private static let MonospaceFont: UIFont = { 66 | let bodyFont = UIFont.preferredFontForTextStyle(UIFontTextStyleBody) 67 | let size = bodyFont.pointSize 68 | return UIFont(name: "Menlo", size: size) ?? UIFont(name: "Courier", size: size) ?? bodyFont 69 | }() 70 | 71 | public var codeBlockAttributes: TextAttributes? = [ 72 | NSFontAttributeName: MarkdownAttributes.MonospaceFont 73 | ] 74 | 75 | public var inlineCodeAttributes: TextAttributes? = [ 76 | NSFontAttributeName: MarkdownAttributes.MonospaceFont 77 | ] 78 | 79 | public var blockQuoteAttributes: TextAttributes? = [ 80 | NSForegroundColorAttributeName: UIColor.darkGrayColor() 81 | ] 82 | 83 | public var orderedListAttributes: TextAttributes? = [ 84 | NSFontAttributeName: fontWithTraits(.TraitBold, font: UIFont.preferredFontForTextStyle(UIFontTextStyleBody)) 85 | ] 86 | 87 | public var orderedListItemAttributes: TextAttributes? = [ 88 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleBody), 89 | NSForegroundColorAttributeName: UIColor.darkGrayColor() 90 | ] 91 | 92 | public var unorderedListAttributes: TextAttributes? = [ 93 | NSFontAttributeName: fontWithTraits(.TraitBold, font: UIFont.preferredFontForTextStyle(UIFontTextStyleBody)) 94 | ] 95 | 96 | public var unorderedListItemAttributes: TextAttributes? = [ 97 | NSFontAttributeName: UIFont.preferredFontForTextStyle(UIFontTextStyleBody), 98 | NSForegroundColorAttributeName: UIColor.darkGrayColor() 99 | ] 100 | 101 | public init() {} 102 | } 103 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownFencedCodeHighlighter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownFencedCodeHighlighter.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Highlights 13 | * ``` 14 | * fenced code 15 | * ``` 16 | * blocks in Markdown text. 17 | */ 18 | public final class MarkdownFencedCodeHighlighter: RegularExpressionHighlighter { 19 | private static let FencedCodeRegex = regexFromPattern("^(`{3})(?:.*)?$\n[\\s\\S]*\n\\1$") 20 | 21 | /** 22 | Creates a new instance of the receiver. 23 | 24 | :param: attributes Attributes to apply to fenced code blocks. 25 | 26 | :returns: A new instance of the receiver. 27 | */ 28 | public init(attributes: TextAttributes) { 29 | super.init(regularExpression: self.dynamicType.FencedCodeRegex, attributes: attributes) 30 | } 31 | } 32 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownHeaderHighlighter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownHeaderHighlighter.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Highlights atx-style Markdown headers. 13 | */ 14 | public final class MarkdownHeaderHighlighter: HighlighterType { 15 | // From markdown.pl v1.0.1 16 | private static let HeaderRegex = regexFromPattern("^(\\#{1,6})[ \t]*(?:.+?)[ \t]*\\#*\n+") 17 | private let attributes: MarkdownAttributes.HeaderAttributes 18 | 19 | /** 20 | Creates a new instance of the receiver. 21 | 22 | :param: attributes Attributes to apply to Markdown headers. 23 | 24 | :returns: An initialized instance of the receiver. 25 | */ 26 | public init(attributes: MarkdownAttributes.HeaderAttributes) { 27 | self.attributes = attributes 28 | } 29 | 30 | // MARK: HighlighterType 31 | 32 | public func highlightAttributedString(attributedString: NSMutableAttributedString) { 33 | enumerateMatches(self.dynamicType.HeaderRegex, string: attributedString.string) { 34 | let level = $0.rangeAtIndex(1).length 35 | if let attributes = self.attributes.attributesForHeaderLevel(level) { 36 | attributedString.addAttributes(attributes, range: $0.range) 37 | } 38 | } 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownLinkHighlighter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownLinkHighlighter.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Highlights Markdown links (not including link references) 13 | */ 14 | public final class MarkdownLinkHighlighter: HighlighterType { 15 | // From markdown.pl v1.0.1 16 | private static let LinkRegex = regexFromPattern("\\[([^\\[]+)\\]\\([ \t]*?[ \t]*((['\"])(.*?)\\4)?\\)") 17 | 18 | // MARK: HighlighterType 19 | 20 | public func highlightAttributedString(attributedString: NSMutableAttributedString) { 21 | let string = attributedString.string 22 | enumerateMatches(self.dynamicType.LinkRegex, string: string) { 23 | let URLString = (string as NSString).substringWithRange($0.rangeAtIndex(2)) 24 | let linkAttributes = [ 25 | NSLinkAttributeName: URLString 26 | ] 27 | attributedString.addAttributes(linkAttributes, range: $0.range) 28 | } 29 | } 30 | } 31 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownListHighlighter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownListHighlighter.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Highlights Markdown lists using specifiable marker patterns. 13 | */ 14 | public final class MarkdownListHighlighter: HighlighterType { 15 | private let regularExpression: NSRegularExpression 16 | private let attributes: TextAttributes? 17 | private let itemAttributes: TextAttributes? 18 | 19 | /** 20 | Creates a new instance of the receiver. 21 | 22 | :param: markerPattern Regular expression pattern to use for matching 23 | list markers. 24 | :param: attributes Attributes to apply to the entire list. 25 | :param: itemAttributes Attributes to apply to list items (excluding 26 | list markers) 27 | 28 | :returns: An initialized instance of the receiver. 29 | */ 30 | public init(markerPattern: String, attributes: TextAttributes?, itemAttributes: TextAttributes?) { 31 | self.regularExpression = listItemRegexWithMarkerPattern(markerPattern) 32 | self.attributes = attributes 33 | self.itemAttributes = itemAttributes 34 | } 35 | 36 | // MARK: HighlighterType 37 | 38 | public func highlightAttributedString(attributedString: NSMutableAttributedString) { 39 | if (attributes == nil && itemAttributes == nil) { return } 40 | 41 | enumerateMatches(regularExpression, string: attributedString.string) { 42 | if let attributes = self.attributes { 43 | attributedString.addAttributes(attributes, range: $0.range) 44 | } 45 | if let itemAttributes = self.itemAttributes { 46 | attributedString.addAttributes(itemAttributes, range: $0.rangeAtIndex(1)) 47 | } 48 | } 49 | } 50 | } 51 | 52 | private func listItemRegexWithMarkerPattern(pattern: String) -> NSRegularExpression { 53 | // From markdown.pl v1.0.1 54 | return regexFromPattern("^(?:[ ]{0,3}(?:\(pattern))[ \t]+)(.+)\n") 55 | } -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownStrikethroughHighlighter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownStrikethroughHighlighter.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Highlights ~~strikethrough~~ in Markdown text (unofficial extension) 13 | */ 14 | public final class MarkdownStrikethroughHighlighter: HighlighterType { 15 | private static let StrikethroughRegex = regexFromPattern("(~~)(?=\\S)(.+?)(?<=\\S)\\1") 16 | private let attributes: TextAttributes? 17 | 18 | /** 19 | Creates a new instance of the receiver. 20 | 21 | :param: attributes Optional additional attributes to apply 22 | to strikethrough text. 23 | 24 | :returns: An initialized instance of the receiver. 25 | */ 26 | public init(attributes: TextAttributes? = nil) { 27 | self.attributes = attributes 28 | } 29 | 30 | // MARK: HighlighterType 31 | 32 | public func highlightAttributedString(attributedString: NSMutableAttributedString) { 33 | enumerateMatches(self.dynamicType.StrikethroughRegex, string: attributedString.string) { 34 | var strikethroughAttributes: TextAttributes = [ 35 | NSStrikethroughStyleAttributeName: NSUnderlineStyle.StyleSingle.rawValue 36 | ] 37 | if let attributes = self.attributes { 38 | for (key, value) in attributes { 39 | strikethroughAttributes[key] = value 40 | } 41 | } 42 | attributedString.addAttributes(strikethroughAttributes, range: $0.rangeAtIndex(2)) 43 | } 44 | } 45 | } 46 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownSuperscriptHighlighter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownSuperscriptHighlighter.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Highlights super^script in Markdown text (unofficial extension) 13 | */ 14 | public final class MarkdownSuperscriptHighlighter: HighlighterType { 15 | private static let SuperscriptRegex = regexFromPattern("(\\^+)(?:(?:[^\\^\\s\\(][^\\^\\s]*)|(?:\\([^\n\r\\)]+\\)))") 16 | private let fontSizeRatio: CGFloat 17 | 18 | /** 19 | Creates a new instance of the receiver. 20 | 21 | :param: fontSizeRatio Ratio to multiply the original font 22 | size by to calculate the superscript font size. 23 | 24 | :returns: An initialized instance of the receiver. 25 | */ 26 | public init(fontSizeRatio: CGFloat = 0.7) { 27 | self.fontSizeRatio = fontSizeRatio 28 | } 29 | 30 | // MARK: HighlighterType 31 | 32 | public func highlightAttributedString(attributedString: NSMutableAttributedString) { 33 | var previousRange: NSRange? 34 | var level: Int = 0 35 | 36 | enumerateMatches(self.dynamicType.SuperscriptRegex, string: attributedString.string) { 37 | level += $0.rangeAtIndex(1).length 38 | let textRange = $0.range 39 | let attributes = attributedString.attributesAtIndex(textRange.location, effectiveRange: nil) 40 | 41 | let isConsecutiveRange: Bool = { 42 | if let previousRange = previousRange where NSMaxRange(previousRange) == textRange.location { 43 | return true 44 | } 45 | return false 46 | }() 47 | if isConsecutiveRange { 48 | level++ 49 | } 50 | 51 | attributedString.addAttributes(superscriptAttributes(attributes, level: level, ratio: self.fontSizeRatio), range: textRange) 52 | previousRange = textRange 53 | 54 | if !isConsecutiveRange { 55 | level = 0 56 | } 57 | } 58 | } 59 | } 60 | 61 | private func superscriptAttributes(attributes: TextAttributes, level: Int, ratio: CGFloat) -> TextAttributes { 62 | if let font = attributes[NSFontAttributeName] as? UIFont { 63 | let adjustedFont = UIFont(descriptor: font.fontDescriptor(), size: font.pointSize * ratio) 64 | return [ 65 | kCTSuperscriptAttributeName as String: level, 66 | NSFontAttributeName: adjustedFont 67 | ] 68 | } 69 | return [:] 70 | } 71 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownTextStorage.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownTextStorage.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/28/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Text storage with support for highlighting Markdown. 13 | */ 14 | public class MarkdownTextStorage: HighlighterTextStorage { 15 | private let attributes: MarkdownAttributes 16 | 17 | // MARK: Initialization 18 | 19 | /** 20 | Creates a new instance of the receiver. 21 | 22 | :param: attributes Attributes used to style the text. 23 | 24 | :returns: An initialized instance of `MarkdownTextStorage` 25 | */ 26 | public init(attributes: MarkdownAttributes = MarkdownAttributes()) { 27 | self.attributes = attributes 28 | super.init() 29 | commonInit() 30 | 31 | if let headerAttributes = attributes.headerAttributes { 32 | addHighlighter(MarkdownHeaderHighlighter(attributes: headerAttributes)) 33 | } 34 | addHighlighter(MarkdownLinkHighlighter()) 35 | addHighlighter(MarkdownListHighlighter(markerPattern: "[*+-]", attributes: attributes.unorderedListAttributes, itemAttributes: attributes.unorderedListItemAttributes)) 36 | addHighlighter(MarkdownListHighlighter(markerPattern: "\\d+[.]", attributes: attributes.orderedListAttributes, itemAttributes: attributes.orderedListItemAttributes)) 37 | 38 | // From markdown.pl v1.0.1 39 | 40 | // Code blocks 41 | addPattern("(?:\n\n|\\A)((?:(?:[ ]{4}|\t).*\n+)+)((?=^[ ]{0,4}\\S)|\\Z)", attributes.codeBlockAttributes) 42 | 43 | // Block quotes 44 | addPattern("(?:^[ \t]*>[ \t]?.+\n(.+\n)*\n*)+", attributes.blockQuoteAttributes) 45 | 46 | // Se-text style headers 47 | // H1 48 | addPattern("^(?:.+)[ \t]*\n=+[ \t]*\n+", attributes.headerAttributes?.h1Attributes) 49 | 50 | // H2 51 | addPattern("^(?:.+)[ \t]*\n-+[ \t]*\n+", attributes.headerAttributes?.h2Attributes) 52 | 53 | // Emphasis 54 | addPattern("(\\*|_)(?=\\S)(.+?)(?<=\\S)\\1", attributesForTraits(.TraitItalic, attributes.emphasisAttributes)) 55 | 56 | // Strong 57 | addPattern("(\\*\\*|__)(?=\\S)(?:.+?[*_]*)(?<=\\S)\\1", attributesForTraits(.TraitBold, attributes.strongAttributes)) 58 | 59 | // Inline code 60 | addPattern("(`+)(?:.+?)(? TextAttributes? { 83 | if let defaultFont = defaultAttributes[NSFontAttributeName] as? UIFont where attributes == nil { 84 | attributes = [ 85 | NSFontAttributeName: fontWithTraits(traits, font: defaultFont) 86 | ] 87 | } 88 | return attributes 89 | } 90 | } 91 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownTextView.h: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownTextView.h 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | #import 10 | 11 | //! Project version number for MarkdownTextView. 12 | FOUNDATION_EXPORT double MarkdownTextViewVersionNumber; 13 | 14 | //! Project version string for MarkdownTextView. 15 | FOUNDATION_EXPORT const unsigned char MarkdownTextViewVersionString[]; 16 | 17 | // In this header, you should import all the public headers of your framework using statements like #import 18 | 19 | 20 | -------------------------------------------------------------------------------- /MarkdownTextView/MarkdownTextView.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownTextView.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Text view with support for highlighting Markdown syntax. 13 | */ 14 | public class MarkdownTextView: UITextView { 15 | /** 16 | Creates a new instance of the receiver. 17 | 18 | :param: frame The view frame. 19 | :param: textStorage The text storage. This can be customized by the 20 | caller to customize text attributes and add additional highlighters 21 | if the defaults are not suitable. 22 | 23 | :returns: An initialized instance of the receiver. 24 | */ 25 | public init(frame: CGRect, textStorage: MarkdownTextStorage = MarkdownTextStorage()) { 26 | let textContainer = NSTextContainer() 27 | let layoutManager = NSLayoutManager() 28 | layoutManager.addTextContainer(textContainer) 29 | textStorage.addLayoutManager(layoutManager) 30 | 31 | super.init(frame: frame, textContainer: textContainer) 32 | } 33 | 34 | required public init(coder aDecoder: NSCoder) { 35 | fatalError("init(coder:) has not been implemented") 36 | } 37 | } 38 | -------------------------------------------------------------------------------- /MarkdownTextView/RegularExpressionHighlighter.swift: -------------------------------------------------------------------------------- 1 | // 2 | // RegularExpressionHighlighter.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | /** 12 | * Highlighter that uses a regular expression to match character 13 | * sequences to highlight. 14 | */ 15 | public class RegularExpressionHighlighter: HighlighterType { 16 | private let regularExpression: NSRegularExpression 17 | private let attributes: TextAttributes 18 | 19 | /** 20 | Creates a new instance of the receiver. 21 | 22 | :param: regularExpression The regular expression to use for 23 | matching text to highlight. 24 | :param: attributes The attributes applied to matching 25 | text ranges. 26 | 27 | :returns: An initialized instance of the receiver. 28 | */ 29 | public init(regularExpression: NSRegularExpression, attributes: TextAttributes) { 30 | self.regularExpression = regularExpression 31 | self.attributes = attributes 32 | } 33 | 34 | // MARK: HighlighterType 35 | 36 | public func highlightAttributedString(attributedString: NSMutableAttributedString) { 37 | enumerateMatches(regularExpression, string: attributedString.string) { 38 | attributedString.addAttributes(self.attributes, range: $0.range) 39 | } 40 | } 41 | } 42 | -------------------------------------------------------------------------------- /MarkdownTextView/TextUtilities.swift: -------------------------------------------------------------------------------- 1 | // 2 | // TextUtilities.swift 3 | // MarkdownTextView 4 | // 5 | // Created by Indragie on 4/28/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | 11 | public typealias TextAttributes = [String: AnyObject] 12 | 13 | internal func fontWithTraits(traits: UIFontDescriptorSymbolicTraits, font: UIFont) -> UIFont { 14 | let combinedTraits = UIFontDescriptorSymbolicTraits(rawValue: font.fontDescriptor().symbolicTraits.rawValue | (traits.rawValue & 0xFFFF)) 15 | let descriptor = font.fontDescriptor().fontDescriptorWithSymbolicTraits(combinedTraits) 16 | return UIFont(descriptor: descriptor, size: font.pointSize) 17 | } 18 | 19 | internal func regexFromPattern(pattern: String) -> NSRegularExpression { 20 | do { 21 | return try NSRegularExpression(pattern: pattern, options: .AnchorsMatchLines) 22 | } catch let error { 23 | fatalError("Error constructing regular expression: \(error)") 24 | } 25 | } 26 | 27 | internal func enumerateMatches(regex: NSRegularExpression, string: String, block: NSTextCheckingResult -> Void) { 28 | let range = NSRange(location: 0, length: (string as NSString).length) 29 | regex.enumerateMatchesInString(string, options: NSMatchingOptions(rawValue: 0), range: range) { (result, _, _) in 30 | if let result = result { 31 | block(result) 32 | } 33 | } 34 | } 35 | -------------------------------------------------------------------------------- /MarkdownTextViewTests/Info.plist: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | CFBundleDevelopmentRegion 6 | en 7 | CFBundleExecutable 8 | $(EXECUTABLE_NAME) 9 | CFBundleIdentifier 10 | $(PRODUCT_BUNDLE_IDENTIFIER) 11 | CFBundleInfoDictionaryVersion 12 | 6.0 13 | CFBundleName 14 | $(PRODUCT_NAME) 15 | CFBundlePackageType 16 | BNDL 17 | CFBundleShortVersionString 18 | 1.0 19 | CFBundleSignature 20 | ???? 21 | CFBundleVersion 22 | 1 23 | 24 | 25 | -------------------------------------------------------------------------------- /MarkdownTextViewTests/MarkdownTextViewTests.swift: -------------------------------------------------------------------------------- 1 | // 2 | // MarkdownTextViewTests.swift 3 | // MarkdownTextViewTests 4 | // 5 | // Created by Indragie on 4/29/15. 6 | // Copyright (c) 2015 Indragie Karunaratne. All rights reserved. 7 | // 8 | 9 | import UIKit 10 | import XCTest 11 | 12 | class MarkdownTextViewTests: XCTestCase { 13 | 14 | override func setUp() { 15 | super.setUp() 16 | // Put setup code here. This method is called before the invocation of each test method in the class. 17 | } 18 | 19 | override func tearDown() { 20 | // Put teardown code here. This method is called after the invocation of each test method in the class. 21 | super.tearDown() 22 | } 23 | 24 | func testExample() { 25 | // This is an example of a functional test case. 26 | XCTAssert(true, "Pass") 27 | } 28 | 29 | func testPerformanceExample() { 30 | // This is an example of a performance test case. 31 | self.measureBlock() { 32 | // Put the code you want to measure the time of here. 33 | } 34 | } 35 | 36 | } 37 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## MarkdownTextView 2 | ### Rich Markdown Editing for iOS 3 | 4 | **MarkdownTextView** is an iOS framework for adding rich Markdown editing capabilities. Support for Markdown syntax is implemented inside an easily extensible `NSTextStorage` subclass, with a `UITextView` subclass being provided for convenience. 5 | 6 | ### Screenshot 7 | 8 | 9 | 10 | ### Example App 11 | 12 | Check out the includeded Example app to try out the text view and to see how **MarkdownTextView** is integrated into the project. 13 | 14 | ### Installation 15 | 16 | ###### With [CocoaPods](https://cocoapods.org/): 17 | ```ruby 18 | pod "MarkdownTextView" 19 | ``` 20 | 21 | ###### With [Carthage](https://github.com/Carthage/Carthage): 22 | ```swift 23 | github "indragiek/MarkdownTextView" 24 | ``` 25 | 26 | ### Getting Started 27 | 28 | The simplest possible usage is as follows: 29 | 30 | ```swift 31 | let textView = MarkdownTextView(frame: CGRectZero) 32 | view.addSubview(textView) 33 | ``` 34 | 35 | This gives you a text view with support for most of the features defined in the original Markdown implementation (strong, emphasis, inline code, code blocks, block quotes, headers) with the default styling provided by the framework. 36 | 37 | 38 | ### Customizing Appearance 39 | 40 | All of the styling can be customized using standard `NSAttributedString` attributes. For example, if you wanted to customize bold text such that it appeared red, you would do this: 41 | 42 | ```swift 43 | var attributes = MarkdownTextAttributes() 44 | attributes.strongAttributes = [ 45 | NSForegroundColorAttributeName: UIColor.redColor() 46 | ] 47 | let textStorage = MarkdownTextStorage(attributes: attributes) 48 | let textView = MarkdownTextView(frame: CGRectZero, textStorage: textStorage) 49 | view.addSubview(textView) 50 | ``` 51 | 52 | ### Extensions Support 53 | 54 | Extension classes conforming to the `HighlighterType` protocol can be used to add support for unofficial Markdown extensions. The framework comes with the following extensions already implemented: 55 | 56 | From [Github Flavored Markdown](https://help.github.com/articles/github-flavored-markdown/): 57 | 58 | * `MarkdownStrikethroughHighlighter` - Support for `~~strikethrough~~` 59 | * `MarkdownFencedCodeHighlighter` - Support for fenced code blocks 60 | * `LinkHighlighter` - Support for auto-linking 61 | 62 | Other: 63 | 64 | * `MarkdownSuperscriptHighlighter` - Support for `super^scripted^text` 65 | 66 | These extensions do not come activated by default. They must manually be added to an instance of `MarkdownTextStorage` as follows: 67 | 68 | ```swift 69 | let textStorage = MarkdownTextStorage() 70 | var error: NSError? 71 | if let linkHighlighter = LinkHighlighter(errorPtr: &error) { 72 | textStorage.addHighlighter(linkHighlighter) 73 | } else { 74 | assertionFailure("Error initializing LinkHighlighter: \(error)") 75 | } 76 | textStorage.addHighlighter(MarkdownStrikethroughHighlighter()) 77 | textStorage.addHighlighter(MarkdownSuperscriptHighlighter()) 78 | if let codeBlockAttributes = attributes.codeBlockAttributes { 79 | textStorage.addHighlighter(MarkdownFencedCodeHighlighter(attributes: codeBlockAttributes)) 80 | } 81 | 82 | let textView = MarkdownTextView(frame: CGRectZero, textStorage: textStorage) 83 | view.addSubview(textView) 84 | ``` 85 | 86 | ### Credits 87 | 88 | * John Gruber's [original Markdown implementation](http://daringfireball.net/projects/markdown/) for most of the regular expressions used in this project. 89 | * [RFMarkdownTextView](https://github.com/ruddfawcett/RFMarkdownTextView) for the idea to implement this as an `NSTextStorage` subclass 90 | 91 | ### Contact 92 | 93 | * Indragie Karunaratne 94 | * [@indragie](http://twitter.com/indragie) 95 | * [http://indragie.com](http://indragie.com) 96 | 97 | ### License 98 | 99 | MarkdownTextView is licensed under the MIT License. See `LICENSE` for more information. 100 | -------------------------------------------------------------------------------- /screenshot.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/indragiek/MarkdownTextView/a101c31ccb4fbfa063d903dec9ff9416f632f9ab/screenshot.png --------------------------------------------------------------------------------