From f22c2be51122978c8a85a4330a6d781410a8415e Mon Sep 17 00:00:00 2001
From: nokeya <nok1a.utech@gmail.com>
Date: Wed, 23 Sep 2020 15:55:41 +0300
Subject: [PATCH] allow empty key

---
 inc/rlottie.h               | 4 ++--
 src/lottie/lottieloader.cpp | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/inc/rlottie.h b/inc/rlottie.h
index 67565691..b527bf48 100644
--- a/inc/rlottie.h
+++ b/inc/rlottie.h
@@ -305,8 +305,8 @@ class RLOTTIE_API Animation {
      *  @internal
      */
     static std::unique_ptr<Animation>
-    loadFromData(std::string jsonData, const std::string &key,
-                 const std::string &resourcePath="", bool cachePolicy=true);
+    loadFromData(std::string jsonData, const std::string &key = std::string(),
+                 const std::string &resourcePath = std::string(), bool cachePolicy=true);
 
     /**
      *  @brief Constructs an animation object from JSON string data and update.
diff --git a/src/lottie/lottieloader.cpp b/src/lottie/lottieloader.cpp
index 8a52949e..68adf605 100644
--- a/src/lottie/lottieloader.cpp
+++ b/src/lottie/lottieloader.cpp
@@ -148,7 +148,7 @@ std::shared_ptr<model::Composition> model::loadFromData(
     std::string jsonData, const std::string &key, std::string resourcePath,
     bool cachePolicy)
 {
-    if (cachePolicy) {
+    if (cachePolicy && !key.empty()) {
         auto obj = ModelCache::instance().find(key);
         if (obj) return obj;
     }
@@ -156,7 +156,8 @@ std::shared_ptr<model::Composition> model::loadFromData(
     auto obj = internal::model::parse(const_cast<char *>(jsonData.c_str()),
                                       std::move(resourcePath));
 
-    if (obj && cachePolicy) ModelCache::instance().add(key, obj);
+    if (obj && cachePolicy && !key.empty())
+        ModelCache::instance().add(key, obj);
 
     return obj;
 }