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/*****************************************************************************
** Ifdefs
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#ifndef TCLAP_OPTIONAL_UNLABELED_TRACKER_H
#define TCLAP_OPTIONAL_UNLABELED_TRACKER_H
#include <string>
namespace ecl {
class OptionalUnlabeledTracker
{
public:
static void check( bool req, const std::string& argName );
static void gotOptional() { alreadyOptionalRef() = true; }
static bool& alreadyOptional() { return alreadyOptionalRef(); }
private:
static bool& alreadyOptionalRef() { static bool ct = false; return ct; }
};
inline void OptionalUnlabeledTracker::check( bool req, const std::string& argName )
{
if ( OptionalUnlabeledTracker::alreadyOptional() )
throw( SpecificationException(
"You can't specify ANY Unlabeled Arg following an optional Unlabeled Arg",
argName ) );
if ( !req )
OptionalUnlabeledTracker::gotOptional();
}
} // namespace ecl
#endif