cam: options: Move enum OptionArgument

The enumeration of the different possibilities for arguments can be used
by other parser then OptionsParser. Move it outside the class to make it
ready to be used by other parsers.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

src/cam/main.cpp

@@ -38,8 +38,7 @@ static int parseOptions(int argc, char *argv[])
 	OptionsParser parser;
 
 	parser.addOption(OptCamera, "Specify which camera to operate on",
-			 "camera", OptionsParser::ArgumentRequired,
+			 "camera", ArgumentRequired, "camera");
-			 "camera");
 	parser.addOption(OptHelp, "Display this help message", "help");
 	parser.addOption(OptList, "List all cameras", "list");
 

src/cam/options.h

@@ -11,15 +11,15 @@
 #include <map>
 #include <vector>
 
-class OptionsParser
-{
-public:
 enum OptionArgument {
 	ArgumentNone,
 	ArgumentRequired,
 	ArgumentOptional,
 };
 
+class OptionsParser
+{
+public:
 	class Options {
 	public:
 		Options();