Fix memory leaks in Spine resource parsing on the web-side. (#65)

* Fix memory leaks in Spine resource parsing on the web-side.

* update external version

Author: bofeng-song

native/cocos/editor-support/spine-wasm/spine-wasm.cpp

@@ -171,57 +171,60 @@ SkeletonData* SpineWasmUtil::querySpineSkeletonDataByUUID(const String& uuid) {
 }
 
 SkeletonData* SpineWasmUtil::createSpineSkeletonDataWithJson(const String& jsonStr, const String& altasStr, const spine::Vector<spine::String>& textureNames, const spine::Vector<spine::String>& textureUUIDs) {
+    SkeletonData* skeletonData = nullptr;
 #if ENABLE_JSON_PARSER
     auto* atlas = new Atlas(altasStr.buffer(), altasStr.length(), "", nullptr, false);
     if (!atlas) {
         return nullptr;
     }
-    AttachmentLoader* attachmentLoader = new AtlasAttachmentLoaderExtension(atlas);
-    #ifdef CC_SPINE_VERSION_3_8
-    SkeletonJson json(attachmentLoader);
-    #else
-    SkeletonJson json(attachmentLoader, true);
-    #endif
-    json.setScale(1.0F);
-    SkeletonData* skeletonData = json.readSkeletonData(jsonStr.buffer());
-    auto& errorMsg = json.getError();
-    if (!errorMsg.isEmpty()) {
-        logToConsole(errorMsg.buffer(), LOG_LEVEL_WARN);
-    }
+    {
+        AttachmentLoader* attachmentLoader = new AtlasAttachmentLoaderExtension(atlas);
+        #ifdef CC_SPINE_VERSION_3_8
+        SkeletonJson json(attachmentLoader);
+        #else
+        SkeletonJson json(attachmentLoader, true);
+        #endif
+        json.setScale(1.0F);
+        skeletonData = json.readSkeletonData(jsonStr.buffer());
+        auto& errorMsg = json.getError();
+        if (!errorMsg.isEmpty()) {
+            logToConsole(errorMsg.buffer(), LOG_LEVEL_WARN);
+        }
 
-    saveAttachmentVertices(skeletonData, textureNames, textureUUIDs);
+        saveAttachmentVertices(skeletonData, textureNames, textureUUIDs);
+    }
+    delete atlas;
+#endif
 
     return skeletonData;
-#else
-    return nullptr;
-#endif
 }
 
 SkeletonData* SpineWasmUtil::createSpineSkeletonDataWithBinary(uint32_t byteSize, const String& altasStr, const spine::Vector<spine::String>& textureNames, const spine::Vector<spine::String>& textureUUIDs) {
+    SkeletonData* skeletonData = nullptr;
 #if ENABLE_BINARY_PARSER
     auto* atlas = new Atlas(altasStr.buffer(), altasStr.length(), "", nullptr, false);
     if (!atlas) {
         return nullptr;
     }
-    AttachmentLoader* attachmentLoader = new AtlasAttachmentLoaderExtension(atlas);
-    #ifdef CC_SPINE_VERSION_3_8
-    SkeletonBinary binary(attachmentLoader);
-    #else
-    SkeletonBinary binary(attachmentLoader, true);
-    #endif
-    binary.setScale(1.0F);
-    SkeletonData* skeletonData = binary.readSkeletonData(s_mem, byteSize);
-    auto& errorMsg = binary.getError();
-    if (!errorMsg.isEmpty()) {
-        logToConsole(errorMsg.buffer(), LOG_LEVEL_WARN);
-    }
-
-    saveAttachmentVertices(skeletonData, textureNames, textureUUIDs);
+    {
+        AttachmentLoader* attachmentLoader = new AtlasAttachmentLoaderExtension(atlas);
+        #ifdef CC_SPINE_VERSION_3_8
+        SkeletonBinary binary(attachmentLoader);
+        #else
+        SkeletonBinary binary(attachmentLoader, true);
+        #endif
+        binary.setScale(1.0F);
+        skeletonData = binary.readSkeletonData(s_mem, byteSize);
+        auto& errorMsg = binary.getError();
+        if (!errorMsg.isEmpty()) {
+            logToConsole(errorMsg.buffer(), LOG_LEVEL_WARN);
+        }
 
-    return skeletonData;
-#else
-    return nullptr;
+        saveAttachmentVertices(skeletonData, textureNames, textureUUIDs);
+    }
+    delete atlas;
 #endif
+    return skeletonData;
 }
 
 void SpineWasmUtil::registerSpineSkeletonDataWithUUID(SkeletonData* data, const String& uuid) {

native/external-config.json

@@ -3,6 +3,6 @@
         "type": "github",
         "owner": "cocos",
         "name": "cocos-engine-external",
-        "checkout": "v4.0.0-1"
+        "checkout": "v4.0.0-2"
     }
 }