Merge pull request #234 from wravery/more-constexpr-schema

More constexpr schema

Author: wravery

include/graphqlservice/introspection/IntrospectionSchema.h

@@ -14,9 +14,10 @@
 static_assert(graphql::internal::MajorVersion == 4, "regenerate with schemagen: major version mismatch");
 static_assert(graphql::internal::MinorVersion == 2, "regenerate with schemagen: minor version mismatch");
 
+#include <array>
 #include <memory>
 #include <string>
-#include <vector>
+#include <string_view>
 
 namespace graphql {
 namespace introspection {
@@ -33,6 +34,22 @@ enum class TypeKind
 	NON_NULL
 };
 
+constexpr auto getTypeKindNames() noexcept
+{
+	using namespace std::literals;
+
+	return std::array<std::string_view, 8> {
+		R"gql(SCALAR)gql"sv,
+		R"gql(OBJECT)gql"sv,
+		R"gql(INTERFACE)gql"sv,
+		R"gql(UNION)gql"sv,
+		R"gql(ENUM)gql"sv,
+		R"gql(INPUT_OBJECT)gql"sv,
+		R"gql(LIST)gql"sv,
+		R"gql(NON_NULL)gql"sv
+	};
+}
+
 enum class DirectiveLocation
 {
 	QUERY,
@@ -56,6 +73,33 @@ enum class DirectiveLocation
 	INPUT_FIELD_DEFINITION
 };
 
+constexpr auto getDirectiveLocationNames() noexcept
+{
+	using namespace std::literals;
+
+	return std::array<std::string_view, 19> {
+		R"gql(QUERY)gql"sv,
+		R"gql(MUTATION)gql"sv,
+		R"gql(SUBSCRIPTION)gql"sv,
+		R"gql(FIELD)gql"sv,
+		R"gql(FRAGMENT_DEFINITION)gql"sv,
+		R"gql(FRAGMENT_SPREAD)gql"sv,
+		R"gql(INLINE_FRAGMENT)gql"sv,
+		R"gql(VARIABLE_DEFINITION)gql"sv,
+		R"gql(SCHEMA)gql"sv,
+		R"gql(SCALAR)gql"sv,
+		R"gql(OBJECT)gql"sv,
+		R"gql(FIELD_DEFINITION)gql"sv,
+		R"gql(ARGUMENT_DEFINITION)gql"sv,
+		R"gql(INTERFACE)gql"sv,
+		R"gql(UNION)gql"sv,
+		R"gql(ENUM)gql"sv,
+		R"gql(ENUM_VALUE)gql"sv,
+		R"gql(INPUT_OBJECT)gql"sv,
+		R"gql(INPUT_FIELD_DEFINITION)gql"sv
+	};
+}
+
 class Schema;
 class Type;
 class Field;

samples/learn/schema/DroidObject.h

@@ -239,6 +239,11 @@ class Droid final
 		: Droid { std::unique_ptr<const Concept> { std::make_unique<Model<T>>(std::move(pimpl)) } }
 	{
 	}
+
+	static constexpr std::string_view getObjectType() noexcept
+	{
+		return { R"gql(Droid)gql" };
+	}
 };
 
 } // namespace graphql::learn::object

samples/learn/schema/HumanObject.h

@@ -239,6 +239,11 @@ class Human final
 		: Human { std::unique_ptr<const Concept> { std::make_unique<Model<T>>(std::move(pimpl)) } }
 	{
 	}
+
+	static constexpr std::string_view getObjectType() noexcept
+	{
+		return { R"gql(Human)gql" };
+	}
 };
 
 } // namespace graphql::learn::object

samples/learn/schema/MutationObject.h

@@ -115,6 +115,11 @@ class Mutation final
 		: Mutation { std::unique_ptr<const Concept> { std::make_unique<Model<T>>(std::move(pimpl)) } }
 	{
 	}
+
+	static constexpr std::string_view getObjectType() noexcept
+	{
+		return { R"gql(Mutation)gql" };
+	}
 };
 
 } // namespace graphql::learn::object

samples/learn/schema/QueryObject.h

@@ -173,6 +173,11 @@ class Query final
 		: Query { std::unique_ptr<const Concept> { std::make_unique<Model<T>>(std::move(pimpl)) } }
 	{
 	}
+
+	static constexpr std::string_view getObjectType() noexcept
+	{
+		return { R"gql(Query)gql" };
+	}
 };
 
 } // namespace graphql::learn::object

samples/learn/schema/ReviewObject.h

@@ -142,6 +142,11 @@ class Review final
 		: Review { std::unique_ptr<const Concept> { std::make_unique<Model<T>>(std::move(pimpl)) } }
 	{
 	}
+
+	static constexpr std::string_view getObjectType() noexcept
+	{
+		return { R"gql(Review)gql" };
+	}
 };
 
 } // namespace graphql::learn::object

samples/learn/schema/StarWarsSchema.cpp

@@ -24,11 +24,7 @@ using namespace std::literals;
 namespace graphql {
 namespace service {
 
-static const std::array<std::string_view, 3> s_namesEpisode = {
-	R"gql(NEW_HOPE)gql"sv,
-	R"gql(EMPIRE)gql"sv,
-	R"gql(JEDI)gql"sv
-};
+static const auto s_namesEpisode = learn::getEpisodeNames();
 
 template <>
 learn::Episode ModifiedArgument<learn::Episode>::convert(const response::Value& value)

samples/learn/schema/StarWarsSchema.h

@@ -14,9 +14,10 @@
 static_assert(graphql::internal::MajorVersion == 4, "regenerate with schemagen: major version mismatch");
 static_assert(graphql::internal::MinorVersion == 2, "regenerate with schemagen: minor version mismatch");
 
+#include <array>
 #include <memory>
 #include <string>
-#include <vector>
+#include <string_view>
 
 namespace graphql {
 namespace learn {
@@ -28,6 +29,17 @@ enum class Episode
 	JEDI
 };
 
+constexpr auto getEpisodeNames() noexcept
+{
+	using namespace std::literals;
+
+	return std::array<std::string_view, 3> {
+		R"gql(NEW_HOPE)gql"sv,
+		R"gql(EMPIRE)gql"sv,
+		R"gql(JEDI)gql"sv
+	};
+}
+
 struct ReviewInput
 {
 	int stars {};

samples/today/nointrospection/AppointmentConnectionObject.h

@@ -148,6 +148,11 @@ class AppointmentConnection final
 		: AppointmentConnection { std::unique_ptr<const Concept> { std::make_unique<Model<T>>(std::move(pimpl)) } }
 	{
 	}
+
+	static constexpr std::string_view getObjectType() noexcept
+	{
+		return { R"gql(AppointmentConnection)gql" };
+	}
 };
 
 } // namespace graphql::today::object

samples/today/nointrospection/AppointmentEdgeObject.h

@@ -148,6 +148,11 @@ class AppointmentEdge final
 		: AppointmentEdge { std::unique_ptr<const Concept> { std::make_unique<Model<T>>(std::move(pimpl)) } }
 	{
 	}
+
+	static constexpr std::string_view getObjectType() noexcept
+	{
+		return { R"gql(AppointmentEdge)gql" };
+	}
 };
 
 } // namespace graphql::today::object