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/******************************************************************************
*
* file: MultiSwitchArg.h
*
* Copyright (c) 2003, Michael E. Smoot .
* Copyright (c) 2004, Michael E. Smoot, Daniel Aarno.
* Copyright (c) 2005, Michael E. Smoot, Daniel Aarno, Erik Zeek.
* All rights reverved.
*
* See the file COPYING in the top directory of this distribution for
* more information.
*
* THE SOFTWARE IS PROVIDED _AS IS_, WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
*****************************************************************************/
#ifndef TCLAP_MULTI_SWITCH_ARG_H
#define TCLAP_MULTI_SWITCH_ARG_H
#include <string>
#include <vector>
#include <tclap/SwitchArg.h>
namespace TCLAP
{
/**
* A multiple switch argument. If the switch is set on the command line, then
* the getValue method will return the number of times the switch appears.
*/
class MultiSwitchArg : public SwitchArg
{
protected:
/**
* The value of the switch.
*/
int _value;
/**
* Used to support the reset() method so that ValueArg can be
* reset to their constructed value.
*/
int _default;
public:
/**
* MultiSwitchArg constructor.
* \param flag - The one character flag that identifies this
* argument on the command line.
* \param name - A one word name for the argument. Can be
* used as a long flag on the command line.
* \param desc - A description of what the argument is for or
* does.
* \param init - Optional. The initial/default value of this Arg.
* Defaults to 0.
* \param v - An optional visitor. You probably should not
* use this unless you have a very good reason.
*/
MultiSwitchArg(const std::string &flag, const std::string &name, const std::string &desc,
int init = 0, Visitor *v = NULL);
/**
* MultiSwitchArg constructor.
* \param flag - The one character flag that identifies this
* argument on the command line.
* \param name - A one word name for the argument. Can be
* used as a long flag on the command line.
* \param desc - A description of what the argument is for or
* does.
* \param parser - A CmdLine parser object to add this Arg to
* \param init - Optional. The initial/default value of this Arg.
* Defaults to 0.
* \param v - An optional visitor. You probably should not
* use this unless you have a very good reason.
*/
MultiSwitchArg(const std::string &flag, const std::string &name, const std::string &desc,
CmdLineInterface &parser, int init = 0, Visitor *v = NULL);
/**
* Handles the processing of the argument.
* This re-implements the SwitchArg version of this method to set the
* _value of the argument appropriately.
* \param i - Pointer the the current argument in the list.
* \param args - Mutable list of strings. Passed
* in from main().
*/
virtual bool processArg(int *i, std::vector<std::string> &args);
/**
* Returns int, the number of times the switch has been set.
*/
int getValue();
/**
* Returns the shortID for this Arg.
*/
std::string shortID(const std::string &val) const;
/**
* Returns the longID for this Arg.
*/
std::string longID(const std::string &val) const;
void reset();
};
//////////////////////////////////////////////////////////////////////
//BEGIN MultiSwitchArg.cpp
//////////////////////////////////////////////////////////////////////
inline MultiSwitchArg::MultiSwitchArg(const std::string &flag, const std::string &name,
const std::string &desc, int init, Visitor *v) :
SwitchArg(flag, name, desc, false, v), _value(init), _default(init)
{
}
inline MultiSwitchArg::MultiSwitchArg(const std::string &flag, const std::string &name,
const std::string &desc, CmdLineInterface &parser, int init,
Visitor *v) :
SwitchArg(flag, name, desc, false, v), _value(init), _default(init)
{
parser.add(this);
}
inline int MultiSwitchArg::getValue()
{
return _value;
}
inline bool MultiSwitchArg::processArg(int *i, std::vector<std::string> &args)
{
if (_ignoreable && Arg::ignoreRest())
{
return false;
}
if (argMatches(args[*i]))
{
// so the isSet() method will work
_alreadySet = true;
// Matched argument: increment value.
++_value;
_checkWithVisitor();
return true;
}
else if (combinedSwitchesMatch(args[*i]))
{
// so the isSet() method will work
_alreadySet = true;
// Matched argument: increment value.
++_value;
// Check for more in argument and increment value.
while (combinedSwitchesMatch(args[*i]))
{
++_value;
}
_checkWithVisitor();
return false;
}
else
{
return false;
}
}
inline std::string MultiSwitchArg::shortID(const std::string &val) const
{
return Arg::shortID(val) + " ... ";
}
inline std::string MultiSwitchArg::longID(const std::string &val) const
{
return Arg::longID(val) + " (accepted multiple times)";
}
inline void MultiSwitchArg::reset()
{
MultiSwitchArg::_value = MultiSwitchArg::_default;
}
//////////////////////////////////////////////////////////////////////
//END MultiSwitchArg.cpp
//////////////////////////////////////////////////////////////////////
} //namespace TCLAP
#endif
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