1 files changed, 38 insertions, 0 deletions
diff --git a/search/emitter.hpp b/search/emitter.hpp
new file mode 100644
index 0000000000..8989a5ef09
--- /dev/null
+++ b/search/emitter.hpp
@@ -0,0 +1,38 @@
+#pragma once
+
+#include "search/result.hpp"
+#include "search/search_params.hpp"
+
+namespace search
+{
+class Emitter
+{
+public:
+  inline void Init(SearchParams::TOnResults onResults)
+  {
+    m_onResults = onResults;
+    m_results.Clear();
+  }
+
+  inline bool AddResult(Result && res) { return m_results.AddResult(move(res)); }
+  inline void AddResultNoChecks(Result && res) { m_results.AddResultNoChecks(move(res)); }
+
+  inline void Emit()
+  {
+    if (m_onResults)
+      m_onResults(m_results);
+  }
+
+  inline Results const & GetResults() const { return m_results; }
+
+  inline void Finish(bool cancelled)
+  {
+    if (m_onResults)
+      m_onResults(Results::GetEndMarker(cancelled));
+  }
+
+private:
+  SearchParams::TOnResults m_onResults;
+  Results m_results;
+};
+}  // namespace search