UnlabeledValueArg.h
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// -*- Mode: c++; c-basic-offset: 4; tab-width: 4; -*-
/******************************************************************************
*
* file: UnlabeledValueArg.h
*
* Copyright (c) 2003, Michael E. Smoot .
* Copyright (c) 2004, Michael E. Smoot, Daniel Aarno.
* Copyright (c) 2017, Google LLC
* All rights reserved.
*
* See the file COPYING in the top directory of this distribution for
* more information.
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#ifndef TCLAP_UNLABELED_VALUE_ARGUMENT_H
#define TCLAP_UNLABELED_VALUE_ARGUMENT_H
#include <string>
#include <vector>
#include <tclap/ValueArg.h>
#include <tclap/OptionalUnlabeledTracker.h>
namespace TCLAP {
template<class T>
class UnlabeledValueArg : public ValueArg<T>
{
// If compiler has two stage name lookup (as gcc >= 3.4 does)
// this is required to prevent undef. symbols
using ValueArg<T>::_ignoreable;
using ValueArg<T>::_hasBlanks;
using ValueArg<T>::_extractValue;
using ValueArg<T>::_typeDesc;
using ValueArg<T>::_name;
using ValueArg<T>::_description;
using ValueArg<T>::_alreadySet;
using ValueArg<T>::toString;
public:
UnlabeledValueArg( const std::string& name,
const std::string& desc,
bool req,
T value,
const std::string& typeDesc,
bool ignoreable = false,
Visitor* v = NULL);
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( const std::string& name,
const std::string& desc,
bool req,
T value,
Constraint<T>* constraint,
bool ignoreable = false,
Visitor* v = NULL );
UnlabeledValueArg( const std::string& name,
const std::string& desc,
bool req,
T value,
Constraint<T>* constraint,
CmdLineInterface& parser,
bool ignoreable = false,
Visitor* v = NULL);
virtual bool processArg(int* i, std::vector<std::string>& args);
virtual std::string shortID(const std::string& val="val") const;
virtual std::string longID(const std::string& val="val") const;
virtual bool operator==(const Arg& a ) const;
virtual void addToList( std::list<Arg*>& argList ) const;
};
template<class T>
UnlabeledValueArg<T>::UnlabeledValueArg(const std::string& name,
const std::string& desc,
bool req,
T val,
const std::string& typeDesc,
bool ignoreable,
Visitor* v)
: ValueArg<T>("", name, desc, req, val, typeDesc, v)
{
_ignoreable = ignoreable;
OptionalUnlabeledTracker::check(req, toString());
}
template<class T>
UnlabeledValueArg<T>::UnlabeledValueArg(const std::string& name,
const std::string& desc,
bool req,
T val,
const std::string& typeDesc,
CmdLineInterface& parser,
bool ignoreable,
Visitor* v)
: ValueArg<T>("", name, desc, req, val, typeDesc, v)
{
_ignoreable = ignoreable;
OptionalUnlabeledTracker::check(req, toString());
parser.add( this );
}
template<class T>
UnlabeledValueArg<T>::UnlabeledValueArg(const std::string& name,
const std::string& desc,
bool req,
T val,
Constraint<T>* constraint,
bool ignoreable,
Visitor* v)
: ValueArg<T>("", name, desc, req, val, constraint, v)
{
_ignoreable = ignoreable;
OptionalUnlabeledTracker::check(req, toString());
}
template<class T>
UnlabeledValueArg<T>::UnlabeledValueArg(const std::string& name,
const std::string& desc,
bool req,
T val,
Constraint<T>* constraint,
CmdLineInterface& parser,
bool ignoreable,
Visitor* v)
: ValueArg<T>("", name, desc, req, val, constraint, v)
{
_ignoreable = ignoreable;
OptionalUnlabeledTracker::check(req, toString());
parser.add( this );
}
template<class T>
bool UnlabeledValueArg<T>::processArg(int *i, std::vector<std::string>& args)
{
if ( _alreadySet )
return false;
if ( _hasBlanks( args[*i] ) )
return false;
// never ignore an unlabeled arg
_extractValue( args[*i] );
_alreadySet = true;
return true;
}
template<class T>
std::string UnlabeledValueArg<T>::shortID(const std::string& val) const
{
static_cast<void>(val); // Ignore input, don't warn
return std::string("<") + _typeDesc + ">";
}
template<class T>
std::string UnlabeledValueArg<T>::longID(const std::string& val) const
{
static_cast<void>(val); // Ignore input, don't warn
// Ideally we would like to be able to use RTTI to return the name
// of the type required for this argument. However, g++ at least,
// doesn't appear to return terribly useful "names" of the types.
return std::string("<") + _typeDesc + ">";
}
template<class T>
bool UnlabeledValueArg<T>::operator==(const Arg& a ) const
{
if ( _name == a.getName() || _description == a.getDescription() )
return true;
else
return false;
}
template<class T>
void UnlabeledValueArg<T>::addToList( std::list<Arg*>& argList ) const
{
argList.push_back( const_cast< Arg*>(static_cast<const Arg* const>(this)) );
}
}
#endif
OptionalUnlabeledTracker.h
ValueArg.h
TCLAP::Arg
A virtual base class that defines the essential data for all arguments.
Definition: Arg.h:56
TCLAP::Arg::_ignoreable
bool _ignoreable
Whether this argument can be ignored, if desired.
Definition: Arg.h:141
TCLAP::Arg::getName
const std::string & getName() const
Returns the argument name.
Definition: Arg.h:560
TCLAP::Arg::getDescription
std::string getDescription() const
Returns the argument description.
Definition: Arg.h:545
TCLAP::Arg::toString
virtual std::string toString() const
Returns a simple string representation of the argument.
Definition: Arg.h:590
TCLAP::CmdLineInterface
The base class that manages the command line definition and passes along the parsing to the appropria...
Definition: CmdLineInterface.h:47
TCLAP::CmdLineInterface::add
virtual void add(Arg &a)=0
Adds an argument to the list of arguments to be parsed.
TCLAP::Constraint
The interface that defines the interaction between the Arg and Constraint.
Definition: Constraint.h:43
TCLAP::OptionalUnlabeledTracker::check
static void check(bool req, const std::string &argName)
Definition: OptionalUnlabeledTracker.h:50
TCLAP::UnlabeledValueArg
The basic unlabeled argument that parses a value.
Definition: UnlabeledValueArg.h:47
TCLAP::UnlabeledValueArg::longID
virtual std::string longID(const std::string &val="val") const
Overrides longID for specific behavior.
Definition: UnlabeledValueArg.h:314
TCLAP::UnlabeledValueArg::shortID
virtual std::string shortID(const std::string &val="val") const
Overrides shortID for specific behavior.
Definition: UnlabeledValueArg.h:304
TCLAP::UnlabeledValueArg::addToList
virtual void addToList(std::list< Arg * > &argList) const
Instead of pushing to the front of list, push to the back.
Definition: UnlabeledValueArg.h:337
TCLAP::UnlabeledValueArg::UnlabeledValueArg
UnlabeledValueArg(const std::string &name, const std::string &desc, bool req, T value, const std::string &typeDesc, bool ignoreable=false, Visitor *v=NULL)
UnlabeledValueArg constructor.
Definition: UnlabeledValueArg.h:216
TCLAP::UnlabeledValueArg::processArg
virtual bool processArg(int *i, std::vector< std::string > &args)
Handles the processing of the argument.
Definition: UnlabeledValueArg.h:284
TCLAP::UnlabeledValueArg::operator==
virtual bool operator==(const Arg &a) const
Overrides operator== for specific behavior.
Definition: UnlabeledValueArg.h:328
TCLAP::ValueArg
The basic labeled argument that parses a value.
Definition: ValueArg.h:47
TCLAP::Visitor
A base class that defines the interface for visitors.
Definition: Visitor.h:35
TCLAP
Definition: Arg.h:48