reflection

include/fgl/reflection/enumFromString.hpp

@@ -0,0 +1,32 @@
+//
+// Created by kj16609 on 11/24/25.
+//
+#pragma once
+
+namespace fgl
+{
+	template < typename E >
+	consteval E enumFromString( std::string_view s )
+	{
+		constexpr std::meta::info info { ^^E };
+
+		static_assert( std::meta::is_enum_type( info ), "E must be an enum" );
+
+		for ( const auto member : std::meta::enumerators_of( info ) )
+		{
+			const auto name { std::meta::identifier_of( member ) };
+			if ( name == s ) return std::meta::extract< E >( member );
+		}
+
+		throw std::meta::exception( "Unable to map string to enum", info );
+	}
+
+	enum TestEnum
+	{
+		MY_VAR = 1
+	};
+
+	static_assert(
+		enumFromString< TestEnum >( "MY_VAR" ) == TestEnum::MY_VAR, "Enum from string did not get expected output" );
+
+} // namespace fgl

include/fgl/size.hpp

@@ -8,14 +8,49 @@
 
 namespace fgl::size
 {
+	std::string toHuman( std::size_t size )
+	{
+		constexpr std::size_t mod { 1024 };
+		if ( size < mod ) return std::format( "{}B", size );
+		if ( size < mod * mod ) return std::format( "{}KiB", static_cast< int >( size / mod ) );
+		if ( size < mod * mod * mod ) return std::format( "{}MiB", static_cast< int >( size / ( mod * mod ) ) );
+		if ( size < mod * mod * mod * mod )
+			return std::format( "{}GiB", static_cast< int >( size / ( mod * mod * mod ) ) );
+		return std::format( "{}TiB", static_cast< int >( size / ( mod * mod * mod * mod ) ) );
+	}
+
+	namespace literals
+	{
+
+		constexpr unsigned long long int operator""_B( const unsigned long long int size )
+		{
+			return size;
+		}
+
+		constexpr unsigned long long int operator""_KiB( const unsigned long long int size )
+		{
+			return size * 1024;
+		}
+
+		constexpr unsigned long long int operator""_MiB( const unsigned long long int size )
+		{
+			return size * 1024_KiB;
+		}
+
+		constexpr unsigned long long int operator""_GiB( const unsigned long long int size )
+		{
+			return size * 1024_MiB;
+		}
+
+		inline std::string toString( const unsigned long long int size )
+		{
+			if ( size < 1024_B ) return std::to_string( size ) + " B";
+			if ( size < 1024_KiB ) return std::to_string( size / 1024 ) + " KiB";
+			if ( size < 1024_MiB ) return std::to_string( size / 1024_KiB ) + " MiB";
+			if ( size < 1024_GiB ) return std::to_string( size / 1024_MiB ) + " GiB";
+			return std::to_string( size / 1024_GiB ) + " TiB";
+		}
+
+	} // namespace literals
 
-std::string toHuman( std::size_t size )
-{
-	constexpr std::size_t mod { 1024 };
-	if ( size < mod ) return std::format( "{}B", size );
-	if ( size < mod * mod ) return std::format( "{}KiB", static_cast< int >( size / mod ) );
-	if ( size < mod * mod * mod ) return std::format( "{}MiB", static_cast< int >( size / ( mod * mod ) ) );
-	if ( size < mod * mod * mod * mod ) return std::format( "{}GiB", static_cast< int >( size / ( mod * mod * mod ) ) );
-	return std::format( "{}TiB", static_cast< int >( size / ( mod * mod * mod * mod ) ) );
-}
 } // namespace fgl::size