Moved TRMNL stuff to its own file

helpers.cpp

@@ -6,6 +6,7 @@ using nlohmann::json;
 
 using std::endl;
 using std::ifstream;
+using std::ofstream;
 using std::istream;
 using std::ostream;
 using std::string;
@@ -18,7 +19,7 @@ bool read_file_json(json& j, const string& filename, ostream* log)
 	{
 		if (nullptr != log)
 		{
-			*log << "Could not open file" << endl;
+			*log << "Could not open file to read - " << filename << endl;
 		}
 		return false;
 	}
@@ -45,6 +46,24 @@ bool read_stream_json(json& j, istream& in, ostream* log)
 	return true;
 }
 
+bool write_file_json(const json& j, const string& filename, ostream* log)
+{
+	ofstream file(filename);
+
+	if (!file.is_open())
+	{
+		if (nullptr != log)
+		{
+			*log << "Could not open file to write - " << filename << endl;
+		}
+		return false;
+	}
+
+	file << j.dump(4) << endl;
+
+	return true;
+}
+
 bool json_extract(const json& j, const string& key, string& out)
 {
 	bool result = false;