Merge pull request #19 from AaronShea/feature/jsonObj

merge feature/json obj

Source/Blu.Build.cs

@@ -50,7 +50,9 @@ public Blu(TargetInfo Target)
 				"RHI",
                 "Slate",
                 "SlateCore",
-                "UMG"
+                "UMG",
+                "Json", 
+                "JsonUtilities"
 				// ... add other public dependencies that you statically link with here ...
 			});
 

Source/Blu/Private/BluBluprintFunctionLibrary.cpp

@@ -1,5 +1,6 @@
 #include "BluPrivatePCH.h"
 #include "BluManager.h"
+#include "Json.h"
 
 UBluBlueprintFunctionLibrary::UBluBlueprintFunctionLibrary(const class FObjectInitializer& PCIP)
 : Super(PCIP)
@@ -20,4 +21,14 @@ UBluEye* UBluBlueprintFunctionLibrary::NewBluEye(UObject* WorldContextObject)
 void UBluBlueprintFunctionLibrary::RunBluEventLoop()
 {
 	BluManager::doBluMessageLoop();
+}
+
+UBluJsonObj* UBluBlueprintFunctionLibrary::ParseJSON(const FString& JSONString)
+{
+
+	UBluJsonObj* tempObj = NewObject<UBluJsonObj>(GetTransientPackage(), UBluJsonObj::StaticClass());
+	tempObj->init(JSONString);
+
+	return tempObj;
+
 }

Source/Blu/Private/BluJsonObj.cpp

@@ -0,0 +1,81 @@
+#include "BluPrivatePCH.h"
+#include "Json.h"
+
+UBluJsonObj::UBluJsonObj(const class FObjectInitializer& PCIP)
+: Super(PCIP)
+{
+
+}
+
+void UBluJsonObj::init(const FString &StringData)
+{
+
+	StrData = *StringData;
+
+	TSharedRef<TJsonReader<TCHAR>> JsonReader = TJsonReaderFactory<TCHAR>::Create(StringData);
+	doParseJson(JsonReader);
+
+}
+
+FString UBluJsonObj::getStringValue(const FString &index)
+{
+
+	return JsonParsed->GetStringField(index);
+
+}
+
+bool UBluJsonObj::getBooleanValue(const FString &index)
+{
+
+	return JsonParsed->GetBoolField(index);
+
+}
+
+float UBluJsonObj::getNumValue(const FString &index)
+{
+
+	return JsonParsed->GetNumberField(index);
+
+}
+
+UBluJsonObj* UBluJsonObj::getNestedObject(const FString &index)
+{
+
+	TSharedPtr<FJsonObject> newJson = JsonParsed->GetObjectField(index);
+
+	if (!newJson.IsValid())
+	{
+		return NULL;
+	}
+
+	// Make our new temp obj
+	UBluJsonObj* tempObj = NewObject<UBluJsonObj>(GetTransientPackage(), UBluJsonObj::StaticClass());
+	tempObj->setJsonObj(newJson);
+
+	// return it
+	return tempObj;
+
+}
+
+void UBluJsonObj::setJsonObj(TSharedPtr<FJsonObject> NewJson)
+{
+
+	// Set our new stored JSON object
+	JsonParsed = NewJson;
+
+}
+
+void UBluJsonObj::doParseJson(TSharedRef<TJsonReader<TCHAR>> JsonReader)
+{
+
+	if (!FJsonSerializer::Deserialize(JsonReader, JsonParsed))
+	{
+		UE_LOG(LogBlu, Warning, TEXT("JSON STRING FAILED TO PARSE! WILL DEFAULT TO EMPTY OBJECT {}"));
+
+		// Make an empty json object to prevent crashing
+		doParseJson(TJsonReaderFactory<TCHAR>::Create("{}"));
+	}
+
+}
+
+

Source/Blu/Private/BluPrivatePCH.h

@@ -20,4 +20,5 @@ DECLARE_LOG_CATEGORY_EXTERN(LogBlu, Log, All);
 #include "BluManager.h"
 #include "BluEye.h"
 #include "RenderHandler.h"
+#include "BluJsonObj.h"
 #include "BluBlueprintFunctionLibrary.h"

Source/Blu/Public/BluBlueprintFunctionLibrary.h

@@ -1,6 +1,5 @@
 #pragma once
 
-#include "../Public/BluEye.h"
 #include "BluBlueprintFunctionLibrary.generated.h"
 
 UCLASS(ClassGroup = Blu, Blueprintable)
@@ -12,7 +11,10 @@ class BLU_API UBluBlueprintFunctionLibrary : public UBlueprintFunctionLibrary
 	UFUNCTION(BlueprintPure, meta = (HidePin = "WorldContextObject", DefaultToSelf = "WorldContextObject", FriendlyName = "Create BluEye", CompactNodeTitle = "BluEye", Keywords = "new create blu eye blui"), Category = Blu)
 		static UBluEye* NewBluEye(UObject* WorldContextObject);
 
-	UFUNCTION(BlueprintCallable, meta = (FriendlyName = "Run BLUI Tick", Keywords = "new create blu eye blui tick"), Category = Blu)
+	UFUNCTION(BlueprintCallable, meta = (FriendlyName = "Run BLUI Tick", Keywords = "blui blu eye blui tick"), Category = Blu)
 		static void RunBluEventLoop();
 
+	UFUNCTION(BlueprintCallable, meta = (FriendlyName = "Parse JSON String", Keywords = "blui blu eye json parse"), Category = Blu)
+		static UBluJsonObj* ParseJSON(const FString& JSONString);
+
 };

Source/Blu/Public/BluJsonObj.h

@@ -0,0 +1,36 @@
+#pragma once
+
+#include "BluJsonObj.generated.h"
+
+UCLASS(ClassGroup = Blu, Blueprintable)
+class BLU_API UBluJsonObj : public UObject
+{
+
+	GENERATED_UCLASS_BODY()
+
+public:
+
+	UFUNCTION(BlueprintCallable, Category = "Blu")
+		FString getStringValue(const FString &index);
+
+	UFUNCTION(BlueprintCallable, Category = "Blu")
+		float getNumValue(const FString &index);
+
+	UFUNCTION(BlueprintCallable, Category = "Blu")
+		bool getBooleanValue(const FString &index);
+
+	UFUNCTION(BlueprintCallable, Category = "Blu")
+		UBluJsonObj* getNestedObject(const FString &index);
+
+	void init(const FString &dataString);
+	void setJsonObj(TSharedPtr<FJsonObject> NewJson);
+
+private:
+
+	FString StrData;
+	TSharedPtr<FJsonObject> JsonParsed;
+
+	void doParseJson(TSharedRef<TJsonReader<TCHAR>> JsonReader);
+
+
+};