add js loader manager

doric-Qt/example/doric/loader/DoricJSLoaderManager.h

@@ -0,0 +1,33 @@
+#ifndef DORICJSLOADERMANAGER_H
+#define DORICJSLOADERMANAGER_H
+
+#include <QDebug>
+
+#include "DoricInterfaceLoader.h"
+
+class DoricJSLoaderManager {
+private:
+  static DoricJSLoaderManager *local_instance;
+
+  DoricJSLoaderManager();
+
+  ~DoricJSLoaderManager() { qDebug() << "DoricJSLoaderManager destructor"; }
+
+public:
+  static DoricJSLoaderManager *getInstance() {
+    static DoricJSLoaderManager instance;
+    return &instance;
+  }
+
+private:
+  QSet<DoricInterfaceLoader *> jsLoaders;
+
+public:
+  void addJSLoader(DoricInterfaceLoader *jsLoader);
+
+  QSet<DoricInterfaceLoader *> *getJSLoaders();
+
+  std::shared_ptr<DoricAsyncResult> request(QString source);
+};
+
+#endif // DORICJSLOADERMANAGER_H