add utils::findChildren()

cocos/base/ccUtils.cpp

@@ -117,6 +117,19 @@ void captureScreen(const std::function<void(bool, const std::string&)>& afterCap
     captureScreenCommand.func = std::bind(onCaptureScreen, afterCaptured, filename);
     Director::getInstance()->getRenderer()->addCommand(&captureScreenCommand);
 }
+    
+std::vector<Node*> findChildren(const Node &node, const std::string &name)
+{
+    std::vector<Node*> vec;
+    
+    node.enumerateChildren(name, [&vec](Node* nodeFound) -> bool {
+        vec.push_back(nodeFound);
+        return false;
+    });
+
+    return vec;
+}
+    
 }
 
 NS_CC_END

cocos/base/ccUtils.h

@@ -24,6 +24,10 @@ THE SOFTWARE.
 ****************************************************************************/
 #ifndef __SUPPORT_CC_UTILS_H__
 #define __SUPPORT_CC_UTILS_H__
+
+#include <vector>
+#include <string>
+#include "2d/CCNode.h"
 #include "base/ccMacros.h"
 
 /** @file ccUtils.h
@@ -58,6 +62,8 @@ namespace utils
      * @since v3.2
      */
     void captureScreen(const std::function<void(bool, const std::string&)>& afterCaptured, const std::string& filename);
+    
+    std::vector<Node*> findChildren(const Node &node, const std::string &name);
 }
 
 NS_CC_END

tests/cpp-tests/Classes/NodeTest/NodeTest.cpp

@@ -1266,23 +1266,9 @@ void NodeNameTest::onEnter()
         log("find child: %s", node->getName().c_str());
     }
     
-    // enumerateChildren()
-    int i = 0;
-    parent->enumerateChildren("test", [&i](Node* node) -> bool {
-        ++i;
-        return true;
-    });
-    CCAssert(i == 1, "");
-    
-    i = 0;
-    parent->enumerateChildren("test", [&i](Node* node) -> bool {
-        ++i;
-        return false;
-    });
-    CCAssert(i == 2, "");
-    
     // enumerateChildren()
     // name = regular expression
+    int i = 0;
     parent = Node::create();
     for (int i = 0; i < 100; ++i)
     {
@@ -1422,6 +1408,19 @@ void NodeNameTest::onEnter()
         return false;
     });
     CCAssert(i == 10000, "");
+    
+    // utils::findChildren()
+    
+    parent = Node::create();
+    for (int i = 0; i < 50; ++i)
+    {
+        auto child = Node::create();
+        child->setName("node");
+        parent->addChild(child);
+    }
+    auto findChildren = utils::findChildren(*parent, "node");
+    CCAssert(findChildren.size() == 50, "");
+    
 }
 
 ///