Template Class UnlabeledValueArg
Defined in File unlabeled_value_arg.hpp
Inheritance Relationships
Base Type
public ecl::ValueArg< T >(Template Class ValueArg)
Class Documentation
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template<class T>
class UnlabeledValueArg : public ecl::ValueArg<T> The basic unlabeled argument that parses a value. This is a template class, which means the type T defines the type that a given object will attempt to parse when an UnlabeledValueArg is reached in the list of args that the CmdLine iterates over.
Public Functions
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UnlabeledValueArg(const std::string &name, const std::string &desc, bool req, T value, const std::string &typeDesc, bool ignoreable = false, Visitor *v = NULL)
constructor.
Constructor implemenation.
- Parameters
name – - A one word name for the argument. Can be used as a long flag on the command line.
desc – - A description of what the argument is for or does.
req – - Whether the argument is required on the command line.
value – - The default value assigned to this argument if it is not present on the command line.
typeDesc – - A short, human readable description of the type that this object expects. This is used in the generation of the USAGE statement. The goal is to be helpful to the end user of the program.
ignoreable – - Allows you to specify that this argument can be ignored if the ‘—’ flag is set. This defaults to false (cannot be ignored) and should generally stay that way unless you have some special need for certain arguments to be ignored.
v – - Optional Vistor. You should leave this blank unless you have a very good reason.
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UnlabeledValueArg(const std::string &name, const std::string &desc, bool req, T value, const std::string &typeDesc, CmdLineInterface &parser, bool ignoreable = false, Visitor *v = NULL)
UnlabeledValueArg constructor.
- Parameters
name – - A one word name for the argument. Can be used as a long flag on the command line.
desc – - A description of what the argument is for or does.
req – - Whether the argument is required on the command line.
value – - The default value assigned to this argument if it is not present on the command line.
typeDesc – - A short, human readable description of the type that this object expects. This is used in the generation of the USAGE statement. The goal is to be helpful to the end user of the program.
ignoreable – - Allows you to specify that this argument can be ignored if the ‘—’ flag is set. This defaults to false (cannot be ignored) and should generally stay that way unless you have some special need for certain arguments to be ignored.
v – - Optional Vistor. You should leave this blank unless you have a very good reason.
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UnlabeledValueArg(const std::string &name, const std::string &desc, bool req, T value, Constraint<T> *constraint, bool ignoreable = false, Visitor *v = NULL)
constructor.
Constructor implemenation.
- Parameters
name – - A one word name for the argument. Can be used as a long flag on the command line.
desc – - A description of what the argument is for or does.
req – - Whether the argument is required on the command line.
value – - The default value assigned to this argument if it is not present on the command line.
constraint – - A pointer to a Constraint object used to constrain this Arg.
ignoreable – - Allows you to specify that this argument can be ignored if the ‘—’ flag is set. This defaults to false (cannot be ignored) and should generally stay that way unless you have some special need for certain arguments to be ignored.
v – - Optional Vistor. You should leave this blank unless you have a very good reason.
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UnlabeledValueArg(const std::string &name, const std::string &desc, bool req, T value, Constraint<T> *constraint, CmdLineInterface &parser, bool ignoreable = false, Visitor *v = NULL)
UnlabeledValueArg constructor.
- Parameters
name – - A one word name for the argument. Can be used as a long flag on the command line.
desc – - A description of what the argument is for or does.
req – - Whether the argument is required on the command line.
value – - The default value assigned to this argument if it is not present on the command line.
constraint – - A pointer to a Constraint object used to constrain this Arg.
ignoreable – - Allows you to specify that this argument can be ignored if the ‘—’ flag is set. This defaults to false (cannot be ignored) and should generally stay that way unless you have some special need for certain arguments to be ignored.
v – - Optional Vistor. You should leave this blank unless you have a very good reason.
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virtual bool processArg(int *i, std::vector<std::string> &args)
Handles the processing of the argument. This re-implements the Arg
version of this method to set the _value of the argument appropriately. Handling specific to unlabled arguments.
Implementation of
processArg().- Parameters
i – - Pointer the the current argument in the list.
args – - Mutable list of strings.
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virtual std::string shortID(const std::string &val = "val") const
Overrides shortID for specific behavior.
Overriding shortID for specific output.
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virtual std::string longID(const std::string &val = "val") const
Overrides longID for specific behavior.
Overriding longID for specific output.
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UnlabeledValueArg(const std::string &name, const std::string &desc, bool req, T value, const std::string &typeDesc, bool ignoreable = false, Visitor *v = NULL)