[ntcore] NetworkTables 4 (#3217)

ntcore/src/test/native/cpp/TestPrinters.h

@@ -2,54 +2,65 @@
 // Open Source Software; you can modify and/or share it under the terms of
 // the WPILib BSD license file in the root directory of this project.
 
-#ifndef NTCORE_TESTPRINTERS_H_
-#define NTCORE_TESTPRINTERS_H_
+#pragma once
 
-#include <memory>
 #include <ostream>
 #include <string>
 #include <string_view>
 
+#include <wpi/span.h>
+
 #include "gtest/gtest.h"
 
 namespace wpi {
 
+class json;
+
 inline void PrintTo(std::string_view str, ::std::ostream* os) {
   ::testing::internal::PrintStringTo(std::string{str}, os);
 }
 
+template <typename T>
+void PrintTo(span<T> val, ::std::ostream* os) {
+  *os << '{';
+  bool first = true;
+  for (auto v : val) {
+    if (first) {
+      first = false;
+    } else {
+      *os << ", ";
+    }
+    *os << ::testing::PrintToString(v);
+  }
+  *os << '}';
+}
+
+void PrintTo(const json& val, ::std::ostream* os);
+
 }  // namespace wpi
 
 namespace nt {
 
-class EntryNotification;
+namespace net3 {
+class Message3;
+}  // namespace net3
+
+namespace net {
+struct ClientMessage;
+struct ServerMessage;
+}  // namespace net
+
+// class EntryNotification;
 class Handle;
-class Message;
+class PubSubOptions;
 class Value;
 
-void PrintTo(const EntryNotification& event, std::ostream* os);
+// void PrintTo(const EntryNotification& event, std::ostream* os);
 void PrintTo(const Handle& handle, std::ostream* os);
-
-void PrintTo(const Message& msg, std::ostream* os);
-
-inline void PrintTo(std::shared_ptr<Message> msg, std::ostream* os) {
-  *os << "shared_ptr{";
-  if (msg) {
-    PrintTo(*msg, os);
-  }
-  *os << '}';
-}
-
+void PrintTo(const net3::Message3& msg, std::ostream* os);
+void PrintTo(const net::ClientMessage& msg, std::ostream* os);
+void PrintTo(const net::ServerMessage& msg, std::ostream* os);
 void PrintTo(const Value& value, std::ostream* os);
-
-inline void PrintTo(std::shared_ptr<Value> value, std::ostream* os) {
-  *os << "shared_ptr{";
-  if (value) {
-    PrintTo(*value, os);
-  }
-  *os << '}';
-}
+void PrintTo(const PubSubOptions& options, std::ostream* os);
 
 }  // namespace nt
-
-#endif  // NTCORE_TESTPRINTERS_H_