Framework for printing abridged manual sections in response to syntactic mistakes

Plugins/UEWingman/Source/UEWingman/Private/WingServer.cpp

@@ -1,5 +1,6 @@
 #include "WingServer.h"
 #include "WingHandler.h"
+#include "WingManual.h"
 #include "WingJson.h"
 #include "WingLogCapture.h"
 #include "WingUtils.h"
@@ -263,6 +264,8 @@ FString UWingServer::HandleRequest(const FString& Line)
 	LogCapture.CapturedErrors.Empty();
 	LogCapture.bEnabled = true;
 	HandlerOutput.Reset();
+	SuggestedManualSections.Empty();
+	LastHandlerClass = nullptr;
 
 	TryCallHandler(Line);
 
@@ -273,6 +276,11 @@ FString UWingServer::HandleRequest(const FString& Line)
 		UWingServer::Printf(TEXT("UE_LOG: %s\n"), *Msg);
 	}
 	LogCapture.CapturedErrors.Empty();
+	if (!SuggestedManualSections.IsEmpty())
+	{
+		UWingServer::SuggestManual(WingManual::Section::HandlerHelp);
+		WingManual::PrintManual(SuggestedManualSections, LastHandlerClass, true);
+	}
 	FString Result = HandlerOutput.ToString();
 	HandlerOutput.Reset();
 	for (int32 i = 0; i < Result.Len(); ++i)
@@ -299,6 +307,7 @@ void UWingServer::TryCallHandler(const FString &Line)
 	if (!Request->TryGetStringField(TEXT("command"), Command))
 	{
 		UWingServer::Printf(TEXT("Request does not contain 'command' parameter"));
+		UWingServer::Printf(TEXT("We recommend sending command='UserManual'."));
 		return;
 	}
 	Request->RemoveField(TEXT("command"));
@@ -308,8 +317,10 @@ void UWingServer::TryCallHandler(const FString &Line)
 	if (!HandlerClass)
 	{
 		UWingServer::Printf(TEXT("Unknown command: %s"), *Command);
+		UWingServer::SuggestManual(WingManual::Section::ImportantCommands);
 		return;
 	}
+	LastHandlerClass = *HandlerClass;
 
 	// Make an object of the handler class.
 	TStrongObjectPtr<UObject> HandlerObj(NewObject<UObject>(GetTransientPackage(), *HandlerClass));
@@ -318,8 +329,7 @@ void UWingServer::TryCallHandler(const FString &Line)
 	// Populate the handler object with the request parameters.
 	if (!WingJson::PopulateFromJson(HandlerObj->GetClass(), HandlerObj.Get(), &*Request))
 	{
-		UWingServer::Printf(TEXT("\nUsage:\n\n"));
-		WingUtils::PrintHandlerHelp(*HandlerClass);
+		UWingServer::SuggestManual(WingManual::Section::HandlerHelp);
 		return;
 	}