#include "options.h"

 #include <iostream>

 #include <QApplication>

 using namespace std;

 Option::Option()

 {

 	name="";

 	sName="";

 	lName="";

 	type=SwitchOption;

 	sarg="";

 	active=false;

 }

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

 {

 	sName="-"+s;

 	lName="--"+l;

 	type=t;

 	name=n;

 }

 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;

 	for (i=0; i< arglist.size(); ++i)

 	{

 		isFile=true;

 		if (arglist[i].left(1)=="-")

 		{

 			// Compare given option to all defined options

 			for (int j=0; j < optlist.size(); ++j)

 			{

 				if (arglist.at(i)==optlist.value(j).getShort() || 

 					arglist.at(i)==optlist.value(j).getLong())

 				{	

 					optlist[j].setActive();

 					isFile=false;

 					if (optlist[j].getType()==StringOption)

 					{

 						i++;

 						if (i==arglist.size())

 						{

 							qWarning ("Error: argument to option missing");

 							return 1;

 						}

 						optlist[j].setArg (arglist[i]);

 						isFile=false;

 					}

 					break;

 				} 

 			}

 			if (isFile)

 			{

 				qWarning("Error: Unknown argument ");

 				return 1;

 			}

 		} else

 			filelist.append (arglist[i]);

 	}

 	return 0;

 }

 void Options::add (Option o)

 {

 	optlist.append (o);

 }

 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)

 {

 	for (int i=0; i<optlist.size(); ++i)

 		if (optlist[i].getName()==s && optlist[i].isActive() )

 			return true;

 	return false;

 }

 QString Options::getArg(const QString &s)

 {

 	for (int i=0; i<optlist.size(); ++i)

 		if (optlist[i].getName()==s) return optlist[i].getArg();

 	return QString();

 }