struct ConfigReader
{
	ConfigReader( const StringView& _it ) : it( _it.after_all( SPACE_CHARS ) ){}
	bool Read( StringView& key, StringView& value )
	{
		while( it.size() )
		{
			key = it.until_any( SPACE_CHARS );
			if( key.ch() == '#' )
			{
				it = it.after( "\n" ).after_all( SPACE_CHARS );
				continue;
			}
			
			it.skip( key.size() );
			it.after_all( HSPACE_CHARS );
			
			value = it.until( "\n" );
			it.skip( value.size() );
			value.trim( SPACE_CHARS );
			
			it = it.after_all( SPACE_CHARS );
			
			return key.size() != 0;
		}
		return false;
	}
	StringView it;
};

// usage code
ConfigReader cr( text );
StringView key, value;
while( cr.Read( key, value ) )
{
	if( key == "game" )
	{
		if( value.size() )
		{
			g_GameLibName = value;
			LOG << "CONFIG: Game library: " << value;
		}
	}
	else if( key == "dir" )
	{
		if( value.size() )
		{
			g_GameDir = value;
			LOG << "CONFIG: Game directory: " << value;
		}
	}
	else if( key == "dir2" )
	{
		if( value.size() )
		{
			g_GameDir2 = value;
			LOG << "CONFIG: Game directory #2: " << value;
		}
	}
	else if( key == "renderer" )
	{
		if( value.size() )
		{
			g_RendererName = value;
			LOG << "CONFIG: Renderer: " << value;
		}
	}
	else
	{
		LOG_WARNING << "Unknown key (" << key << " = " << value << ")";
	}
}