dftd3_app_argument Module

Implementation of the argument list processor.

Interfaces

public interface argument_list

Constructor for the argument list

private function new_argument_list(argument_counter, argument_getter) result(new)

Constructor of the argument list

Arguments

Type	Intent	Optional	Attributes		Name
procedure(argument_count_interface),		optional		::	argument_counter	Argument counter interface
procedure(get_argument_interface),		optional		::	argument_getter	Argument getter interface

Return Value type(argument_list)

Newly created argument list

public interface len

private pure function get_length(self) result(length)

Arguments

Type	Intent	Optional	Attributes		Name
class(argument_list),	intent(in)			::	self

Return Value integer

Abstract Interfaces

abstract interface

public function argument_count_interface() result(argument_count)

Interface of the argument counter

Arguments
None
Return Value integer

Number of available arguments

abstract interface

public subroutine get_argument_interface(idx, arg)

Interface of the argument getter

Arguments

Type	Intent	Optional	Attributes		Name
integer,	intent(in)			::	idx	Index of the argument to retrieve, range 0 to argument_counter()
character(len=:),	intent(out),		allocatable	::	arg	Returned argument payload, allocation status is used to signal errors

Derived Types

type, public :: argument_list

Argument list class

Components

Type	Visibility	Attributes		Name		Initial
type(argument),	public,	allocatable	::	argv(:)			Array of arguments in this list
integer,	public		::	nargs	=	0	Number of arguments
character(len=:),	public,	allocatable	::	prog			Name of the invoked executable, if available

Constructor

Constructor for the argument list

private function new_argument_list (argument_counter, argument_getter)	Constructor of the argument list

Type-Bound Procedures

procedure, public :: get	Get command line argument
procedure, public :: info	Display debug information on this instance
procedure, public :: push_back	Append a command line argument