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cmdline.H
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cmdline.H
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#ifndef CMDLINE_H
#define CMDLINE_H
class CmdLineArg
{
public:
static char const EMPTY = '\0';
static char const NO_OPTION = '\1';
static char const INVALID_OPTION = '\2';
static char const REQUIRES_ARGUMENT = '\3';
inline CmdLineArg()
: _what(EMPTY)
, _name(nullptr)
, _opt(nullptr)
{}
inline CmdLineArg(char what, char const * name, char const * opt = nullptr)
: _what(what)
, _name(name)
, _opt(opt)
{}
inline operator bool () const
{
return (_what != EMPTY);
}
inline char what() const
{
return _what;
}
inline char const * name() const
{
return _name;
}
inline char const * opt() const
{
return _opt;
}
private:
char _what;
char const * _name;
char const * _opt;
};
struct CmdLineOption
{
enum Flag {
Null,
NoArgument,
RequiredArgument
};
char const * longName;
Flag flag;
char const shortName;
};
class CmdLine
{
public:
CmdLine(CmdLineOption const * opts);
CmdLineArg const next(int argc, char * argv[]);
private:
int _idx;
CmdLineOption const * _opts;
};
#endif