Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

submodules/lottie-ios/Sources/Public/TextProvider/AnimationTextProvider.swift

@@ -0,0 +1,53 @@
+//
+//  AnimationImageProvider.swift
+//  Lottie_iOS
+//
+//  Created by Alexandr Goncharov on 07/06/2019.
+//
+
+import Foundation
+
+// MARK: - AnimationTextProvider
+
+/// Text provider is a protocol that is used to supply text to `AnimationView`.
+public protocol AnimationTextProvider: AnyObject {
+  func textFor(keypathName: String, sourceText: String) -> String
+}
+
+// MARK: - DictionaryTextProvider
+
+/// Text provider that simply map values from dictionary
+public final class DictionaryTextProvider: AnimationTextProvider {
+
+  // MARK: Lifecycle
+
+  public init(_ values: [String: String]) {
+    self.values = values
+  }
+
+  // MARK: Public
+
+  public func textFor(keypathName: String, sourceText: String) -> String {
+    values[keypathName] ?? sourceText
+  }
+
+  // MARK: Internal
+
+  let values: [String: String]
+}
+
+// MARK: - DefaultTextProvider
+
+/// Default text provider. Uses text in the animation file
+public final class DefaultTextProvider: AnimationTextProvider {
+
+  // MARK: Lifecycle
+
+  public init() {}
+
+  // MARK: Public
+
+  public func textFor(keypathName _: String, sourceText: String) -> String {
+    sourceText
+  }
+}