#include "options.h"

 #include <iostream>

 #include <qapplication.h>

 using namespace std;

 Option::Option()

 {

 	name="";

 	sName="";

 	lName="";

 	type=SwitchOption;

 	sarg="";

 	active=false;

 }

 void Option::set(const QString &n, const OptionType &t, const QString &s, const QString &l)

 {

 	sName="-"+s;

 	lName="--"+l;

 	type=t;

 	name=n;

 }

 QString Option::getName () { return name; }

 QString Option::getShort () { return sName; }

 QString Option::getLong() { return lName; }

 OptionType Option::getType() { return type; }

 void Option::setArg(const QString& s) { sarg=s; }

 QString Option::getArg() { return sarg; }	

 void Option::setActive() { active=true; }	

 bool Option::isActive() { return active; }

 ///////////////////////////////////////////////////////////////

 Options::Options() {}	

 int Options::parse()

 {

 	QStringList arglist;

 	int i=0;

 	while (i<qApp->argc())

 	{	

 		arglist.append (qApp->argv()[i]);

 		i++;

 	}

 	// Get program name

 	progname=arglist.first();

 	arglist.pop_front();

 	// Work through rest of options

 	bool isFile;

 	OptionList::iterator itopt;

 	QStringList::iterator itarg;

 	itarg=arglist.begin();

 	while (itarg!=arglist.end())

 	{

 		isFile=true;

 		if ((*itarg).left(1)=="-")

 		{

 			// Compare given option to all defined options

 			itopt=optlist.begin();

 			while (itopt!=optlist.end())

 			{

 				if ((*itarg)==(*itopt).getShort() || 

 					(*itarg)==(*itopt).getLong())

 				{	

 					(*itopt).setActive();

 					isFile=false;

 					if ((*itopt).getType()==StringOption)

 					{

 						itarg++;

 						if (itarg==arglist.end())

 						{

 							cout << "Error: argument to option missing\n";

 							return 1;

 						}

 						(*itopt).setArg (*itarg);

 						isFile=false;

 					}

 					break;

 				} 

 				itopt++;

 			}

 			if (isFile)

 			{

 				cout << "Error: Unknown argument "<<*itarg<<endl;

 				return 1;

 			}

 		} else

 			filelist.append (*itarg);

 		itarg++;

 	}

 	return 0;

 }

 void Options::add (const QString &n, const OptionType &t=SwitchOption, const QString &s="", const QString &l="")

 {

 	Option o;

 	o.set (n,t,s,l);

 	optlist.append (o);

 }

 void Options::setHelpText (const QString &s)

 {

 	helptext=s;

 }

 QString Options::getHelpText ()

 {

 	return helptext;

 }

 QString Options::getProgramName()

 {

 	return progname;

 }

 QStringList Options::getFileList ()

 {

 	return filelist;

 }

 bool Options::isOn(const QString &s)

 {

 	OptionList::iterator it;

 	for ( it = optlist.begin(); it != optlist.end(); ++it )

 		if ((*it).getName()==s && (*it).isActive() )

 			return true;

 	return false;

 }

 QString Options::getArg(const QString &s)

 {

 	OptionList::iterator it;

 	for ( it = optlist.begin(); it != optlist.end(); ++it )

 	{

 		if ((*it).getName()==s)

 			return (*it).getArg();

 	}	

 	return "";

 }