File: options.cpp

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#include "options.h"

#include <iostream>
#include <QApplication>


using namespace std;


Option::Option()
{
	name="";
	sName="";
	lName="";
	type=Switch;
	sarg="";
	active=false;
}

Option::Option (const QString &n, const Type &t, const QString &s, const QString &l)
{
	sName="-"+s;
	lName="--"+l;
	type=t;
	name=n;
}

void Option::set(const QString &n, const Type &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; }
Option::Type 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()==Option::String)
					{
						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 Option::Type &t=Option::Switch, 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();
}