argumentlist.cpp

QT4的utils库源码包.解压后运行./configure配置,然后make.使用时在.pro文件中加入两行:LIBS+=-L$$(CPPLIBS)-lutils及INCLUDEPATH+=$$(C

#include <QApplication>
#include "argumentlist.h"
#include <QDebug>
/**
  Obtain the command line arguments from the currently
  running QApplication */

ArgumentList::ArgumentList() {
    if (qApp != NULL)  /* a global pointer to the current
        qApplication */
        argsToStringlist(qApp->argc(), qApp->argv());
}

void ArgumentList::argsToStringlist(int argc, char * argv []) {
    for (int i=0; i < argc; ++i) {
        *this += argv[i];
    }
}

bool ArgumentList::getSwitch (QString option) {
    QMutableStringListIterator itr(*this);
    while (itr.hasNext()) {
        if (option == itr.next()) {
            itr.remove();
            return true;
        }
    }
    return false;
}

QString ArgumentList::getSwitchArg(QString option, QString defaultValue) {
    if (isEmpty())
        return defaultValue;
    QMutableStringListIterator itr(*this);
    while (itr.hasNext()) {
        if (option == itr.next()) {
            itr.remove();
            if (itr.hasNext()) {
                QString retval = itr.next();
                itr.remove();
                return retval;
            }
            else {
                qDebug() << "Missing Argument for " << option;
                return QString();
            }
        }
    }
    return defaultValue;
}