nih Namespace Reference

Not invented here namespace, for code that substitutes already commonly available functionality. More...

Classes
struct	enum_has_members
	Tests whether the given enum provides all the required definitions. More...
class	Options
	An instance of this class offers operators to retrieve command line options and arguments. More...
struct	Parameter
	Container for an option definition. More...

Functions
template<class OptionT >
size_t	argCount (Parameter< OptionT > const &def)
	Retrieves the count of arguments in an option definition. More...

Detailed Description

Not invented here namespace, for code that substitutes already commonly available functionality.

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Class Documentation

nih::Parameter

struct nih::Parameter

template<class OptionT>
struct nih::Parameter< OptionT >

Container for an option definition.

Aliases can be defined by creating definitions with the same option member.

The lparam, args and usage members have to be 0 terminated, using string literals is safe.

Template Parameters

OptionT

An enum or enum class representing the available options

Class Members
const char *	args	A comma separated list of arguments. Set to nullptr or "" if no argument is available.
const char *	lparam	The long version of this parameter. Set to nullptr or "" if no long parameter is available.
OptionT	option	The enum value to return for this option.
char	sparam	The short version of this parameter. Set to 0 if no short parameter is available.
const char *	usage	A usage string.

Function Documentation

argCount()

template<class OptionT >

size_t nih::argCount

(

Parameter< OptionT > const &

def

)

Retrieves the count of arguments in an option definition.

Template Parameters

OptionT

An enum or enum class representing the available options

Parameters

def	The parameter definition

Returns

The number of arguments specified in the given definition