Cleanup buildCustom checks copied from schemagen

Author: wravery

src/ClientGenerator.cpp

@@ -866,7 +866,6 @@ int main(int argc, char** argv)
 	po::variables_map variables;
 	bool showUsage = false;
 	bool showVersion = false;
-	bool buildCustom = false;
 	bool verbose = false;
 	bool noIntrospection = false;
 	std::string schemaFileName;
@@ -907,28 +906,21 @@ int main(int argc, char** argv)
 			variables);
 		po::notify(variables);
 
-		// If you specify any of these parameters, you must specify all three.
-		buildCustom = !schemaFileName.empty() || !requestFileName.empty() || !filenamePrefix.empty()
-			|| !schemaNamespace.empty();
-
-		if (buildCustom)
+		if (schemaFileName.empty())
 		{
-			if (schemaFileName.empty())
-			{
-				throw po::required_option("schema");
-			}
-			else if (requestFileName.empty())
-			{
-				throw po::required_option("request");
-			}
-			else if (filenamePrefix.empty())
-			{
-				throw po::required_option("prefix");
-			}
-			else if (schemaNamespace.empty())
-			{
-				throw po::required_option("namespace");
-			}
+			throw po::required_option("schema");
+		}
+		else if (requestFileName.empty())
+		{
+			throw po::required_option("request");
+		}
+		else if (filenamePrefix.empty())
+		{
+			throw po::required_option("prefix");
+		}
+		else if (schemaNamespace.empty())
+		{
+			throw po::required_option("namespace");
 		}
 	}
 	catch (const po::error& oe)
@@ -943,7 +935,7 @@ int main(int argc, char** argv)
 		outputVersion(std::cout);
 		return 0;
 	}
-	else if (showUsage || !buildCustom)
+	else if (showUsage)
 	{
 		outputUsage(std::cout, options);
 		return 0;