C++ QMapIterator::value方法代码示例

//---------------------------------------------------------------------------
//  getWordItems
//
//! Construct a list of word items to be inserted into a word list, based on
//! the results of a list of searches.
//
//! @param searchSpecs the list of search specifications
//! @return a list of word items
//---------------------------------------------------------------------------
QList<WordTableModel::WordItem>
WordVariationDialog::getWordItems(const QList<SearchSpec>& searchSpecs) const
{
    QList<WordTableModel::WordItem> wordItems;
    QMap<QString, QString> wordMap;
    QListIterator<SearchSpec> lit (searchSpecs);
    while (lit.hasNext()) {
        QStringList wordList = wordEngine->search(lexicon, lit.next(), false);
        QStringListIterator wit (wordList);
        while (wit.hasNext()) {
            QString str = wit.next();
            wordMap.insert(str.toUpper(), str);
        }
    }

    QMapIterator<QString, QString> mit (wordMap);
    while (mit.hasNext()) {
        mit.next();
        QString value = mit.value();
        QList<QChar> wildcardChars;
        for (int i = 0; i < value.length(); ++i) {
            QChar c = value[i];
            if (c.isLower())
                wildcardChars.append(c);
        }
        QString wildcard;
        if (!wildcardChars.isEmpty()) {
            qSort(wildcardChars.begin(), wildcardChars.end(),
                  Auxil::localeAwareLessThanQChar);
            foreach (const QChar& c, wildcardChars)
                wildcard.append(c.toUpper());
        }
        wordItems.append(WordTableModel::WordItem(
            mit.key(), WordTableModel::WordNormal, wildcard));
    }

void LocationTable::splitByAnchors(const PreprocessedContents& text, const Anchor& textStartPosition, QList<PreprocessedContents>& strings, QList<Anchor>& anchors) const {

  Anchor currentAnchor = Anchor(textStartPosition);
  size_t currentOffset = 0;

  QMapIterator<std::size_t, Anchor> it = m_offsetTable;

  while (currentOffset < (size_t)text.size())
  {
    Anchor nextAnchor(KDevelop::CursorInRevision::invalid());
    size_t nextOffset;

    if(it.hasNext()) {
      it.next();
      nextOffset = it.key();
      nextAnchor = it.value();
    }else{
      nextOffset = text.size();
      nextAnchor = Anchor(KDevelop::CursorInRevision::invalid());
    }

    if( nextOffset-currentOffset > 0 ) {
      strings.append(text.mid(currentOffset, nextOffset-currentOffset));
      anchors.append(currentAnchor);
    }

    currentOffset = nextOffset;
    currentAnchor = nextAnchor;
  }
}

void Emotions::storeClass(QString klassName, NaiveBayesClassifier *classifier){
    double acc=0;
    if(klassName.contains("calm") || klassName.contains("exited")){
        acc=EMOTION_AROUSAL_ACCURACY;
    }else if(klassName.contains("positive") || klassName.contains("negative")){
        acc=EMOTION_VALENCE_ACCURACY;
    }else{
        return;
    }

    if(classifier->getTrainedClasses().contains(klassName)){
        QFile file(_dataPath+"."+klassName);
        if (!file.open(QIODevice::WriteOnly)) {
            qDebug() << "Emotions : cannot open file "+file.fileName()+" : "
                     << qPrintable(file.errorString()) << file.fileName()<< endl;
            return;
        }

        QMapIterator<double, double>* clasIt = new QMapIterator<double,double>(*classifier->getTrainedClasses().value(klassName));
        while(clasIt->hasNext()){
            clasIt->next();
            for(int j=0;j<clasIt->value();++j){
                QString* strVal=new QString("");
                strVal->setNum(clasIt->key(),'f', acc);
                file.write(strVal->toAscii());
                file.putChar('\n');
            }
        }
    }
}

void SingleXmlSerializer::exportProperties(const Id&id, QDomDocument &doc, QDomElement &root
		, QHash<Id, Object *> const &objects)
{
	QDomElement props = doc.createElement("properties");

	const GraphicalObject * const graphicalObject = dynamic_cast<const GraphicalObject *>(objects[id]);
	const LogicalObject * const logicalObject
			= dynamic_cast<const LogicalObject *>(objects[graphicalObject->logicalId()]);

	QMap<QString, QVariant> properties;

	QMapIterator<QString, QVariant> i = logicalObject->propertiesIterator();
	while (i.hasNext()) {
		i.next();
		properties[i.key()] = i.value();

	}

	i = graphicalObject->propertiesIterator();
	while (i.hasNext()) {
		i.next();
		properties[i.key()] = i.value();
	}

	foreach (const QString &key, properties.keys()) {
		QDomElement prop = doc.createElement("property");

		QString typeName = properties[key].typeName();
		QVariant value = properties[key];
		if (typeName == "qReal::IdList" && (value.value<IdList>().size() != 0)) {
			QDomElement list = ValuesSerializer::serializeIdList("list", value.value<IdList>(), doc);
			prop.appendChild(list);
		} else if (typeName == "qReal::Id"){
			prop.setAttribute("value", value.value<Id>().toString());
		} else if (value.toString().isEmpty()) {
			continue;
		} else {
			prop.setAttribute("value", properties[key].toString());
		}

		prop.setAttribute("name", key);

		props.appendChild(prop);
	}

	root.appendChild(props);
}

bool InformWindow::keyProcessing(const int &key)
{
    QMapIterator<int, Command*> it (kbCommand);
    while (it.hasNext())
    {
        it.next();
        if (key == it.key())
        {
            if (it.value() != NULL)
            {
                it.value()->execute();
                return true;
            }
        }
    }
    return false;
}

void LocationTable::dump() const
{
  QMapIterator<std::size_t, Anchor> it = m_offsetTable;
  qCDebug(RPP) << "Location Table:";
  while (it.hasNext()) {
    it.next();
    qCDebug(RPP) << it.key() << " => " << it.value().castToSimpleCursor();
  }
}

void DraggerManagerPrivate::clear()
{
    QMapIterator<WidgetProperties *, QDeclarativeItem *> iterator =
            QMapIterator<WidgetProperties *, QDeclarativeItem *>(draggers);
    while (iterator.hasNext()) {
        iterator.next();
        iterator.value()->deleteLater();
    }
    draggers.clear();
}

void DraggerManager::disableDraggers()
{
    Q_D(DraggerManager);
    QMapIterator<WidgetProperties *, QDeclarativeItem *> iterator =
            QMapIterator<WidgetProperties *, QDeclarativeItem *>(d->draggers);
    while (iterator.hasNext()) {
        iterator.next();
        iterator.value()->setVisible(false);
    }
}

bool MSqlQuery::exec()
{
    // Database connection down.  Try to restart it, give up if it's still
    // down
    if (!m_db)
    {
        // Database structure's been deleted
        return false;
    }

    if (!m_db->isOpen() && !m_db->Reconnect())
    {
        LOG(VB_GENERAL, LOG_INFO, "MySQL server disconnected");
        return false;
    }

    bool result = QSqlQuery::exec();

    // if the query failed with "MySQL server has gone away"
    // Close and reopen the database connection and retry the query if it
    // connects again
    if (!result && QSqlQuery::lastError().number() == 2006 && m_db->Reconnect())
        result = QSqlQuery::exec();

    if (VERBOSE_LEVEL_CHECK(VB_DATABASE) && logLevel <= LOG_DEBUG)
    {
        QString str = lastQuery();

        // Database logging will cause an infinite loop here if not filtered
        // out
        if (!str.startsWith("INSERT INTO logging "))
        {
       	    // Sadly, neither executedQuery() nor lastQuery() display
            // the values in bound queries against a MySQL5 database.
            // So, replace the named placeholders with their values.

            QMapIterator<QString, QVariant> b = boundValues();
            while (b.hasNext())
            {
                b.next();
                str.replace(b.key(), '\'' + b.value().toString() + '\'');
            }

            LOG(VB_DATABASE, LOG_DEBUG,
                QString("MSqlQuery::exec(%1) %2%3")
                        .arg(m_db->MSqlDatabase::GetConnectionName()).arg(str)
                        .arg(isSelect() ? QString(" <<<< Returns %1 row(s)")
                                              .arg(size()) : QString()));
        }
    }

    return result;
}

void ClientPrivate::tuiLaunched () {
    qDebug () << "ClientPrivate::tuiLaunched";
    QMapIterator<QString, Transfer *> iter (transfers);

    if (transfers.count() == 0) {
        // There are no transfers
        return;
    }

    while (iter.hasNext()) {
        iter.next();
        Transfer *transfer = iter.value ();

        if (iter.key() != transfer->transferId ()) {
            qCritical () <<
                "Client::tuiLaunched -> Key does not match transfer id";
        }

        QDBusReply<bool> exists =
            interface->transferExists (transfer->transferId ());
        if (exists.isValid ()) {
            if (exists.value () == true) {
                qDebug() << transfer->transferId () << "exists in TUI"
                    << "- not registering this. Moving to next";

                // Transfer exists in TUI - go to next transfer
                continue;
            }
        } else {
            qCritical() << "Got invalid reply when checking if transfer "
                << transfer->transferId () << " exists in TUI";
            continue;
        }

        QDBusReply<QString> reply =
            interface->registerTransientTransfer (transfer->transferId ());

        if (reply.isValid()) {
            if (reply.value () == transfer->transferId ()) {
                transfer->tuiLaunched ();
            } else {
                qCritical() << "Got " << reply.value () <<
                    " as reply from registerPersistentTransfer instead of "
                    << "expected value of " << transfer->transferId ();
            }
        } else {
            qWarning() << "Transfer with tracker uri" << transfer->transferId ()
                << "not found.";
        }
    }
}

void QtPropertyDataIntrospection::ChildNeedUpdate()
{
	QMapIterator<QtPropertyDataDavaVariant*, const DAVA::IntrospectionMember *> i = QMapIterator<QtPropertyDataDavaVariant*, const DAVA::IntrospectionMember *>(childVariantMembers);

	while(i.hasNext())
	{
		i.next();

		QtPropertyDataDavaVariant *childData = i.key();
		DAVA::VariantType childCurValue = i.value()->Value(object);

		if(childCurValue != childData->GetVariantValue())
		{
			childData->SetVariantValue(childCurValue);
		}

	}
}

QHash<QString, QVariant> RefactoringApplier::properties(Id const &id) const
{
	QHash<QString, QVariant> result;

	QMapIterator<QString, QVariant> properties =
			(mLogicalModelApi.isLogicalId(id))
			? mLogicalModelApi.logicalRepoApi().propertiesIterator(id)
			: mLogicalModelApi.logicalRepoApi().propertiesIterator(
					mGraphicalModelApi.logicalId(id));

	while (properties.hasNext()) {
		properties.next();

		if (!defaultProperties.contains(properties.key())) {
			result.insert(properties.key(), properties.value());
		}
	}

	return result;
}

void ViewManager::ViewManagerPrivate::slotLockedChanged(bool locked)
{
    if(locked) {
        // When the view is locked, all draggers should be destroyed
        QMapIterator<WidgetProperties *, QDeclarativeItem *> iterator =
                QMapIterator<WidgetProperties *, QDeclarativeItem *>(registeredDraggers);
        while (iterator.hasNext()) {
            iterator.next();
            QDeclarativeItem *item = iterator.value();
            registeredDraggers.remove(iterator.key());
            item->deleteLater();
        }

        q->setCurrentDraggedWidget("");
    } else {
        // For each item in the current page, a dragger should
        // be created
        DisplayedPageWidgetsModel * pageModel = displayedPagesModel->pageModel(currentPageIndex);
        for (int i = 0; i < pageModel->rowCount(); i++) {
            emit q->requestCreateDragger(pageModel->widget(i));
        }
    }
}

void Material::setFilterAnisotropy( float anisotropy )
{
	if( anisotropy > filterAnisotropyMaximum() )
		anisotropy = filterAnisotropyMaximum();
	else if( anisotropy < 1.0f )
		anisotropy = 1.0f;

	QHashIterator< QString, QWeakPointer<MaterialData> > mi( Material::cache() );
	while( mi.hasNext() )
	{
		mi.next();
		QSharedPointer<MaterialData> d = mi.value().toStrongRef();
		if( d.isNull() )
			continue;
		QMapIterator<QString,GLuint> ti (d->textures());
		while( ti.hasNext() )
		{
			ti.next();
			glBindTexture( GL_TEXTURE_2D, ti.value() );
			glTexParameterf( GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, anisotropy );
		}
	}
	sFilterAnisotropy = anisotropy;
}

bool MSqlQuery::exec()
{
    if (!m_db)
    {
        // Database structure's been deleted
        return false;
    }

    if (m_last_prepared_query.isEmpty())
    {
        LOG(VB_GENERAL, LOG_ERR,
            "MSqlQuery::exec(void) called without a prepared query.");
        return false;
    }

#if DEBUG_RECONNECT
    if (random() < RAND_MAX / 50)
    {
        LOG(VB_GENERAL, LOG_INFO,
            "MSqlQuery disconnecting DB to test reconnection logic");
        m_db->m_db.close();
    }
#endif

    // Database connection down.  Try to restart it, give up if it's still
    // down
    if (!m_db->isOpen() && !Reconnect())
    {
        LOG(VB_GENERAL, LOG_INFO, "MySQL server disconnected");
        return false;
    }

    QElapsedTimer timer;
    timer.start();

    bool result = QSqlQuery::exec();
    qint64 elapsed = timer.elapsed();

    // if the query failed with "MySQL server has gone away"
    // Close and reopen the database connection and retry the query if it
    // connects again
    if (!result && QSqlQuery::lastError().number() == 2006 && Reconnect())
        result = QSqlQuery::exec();

    if (!result)
    {
        QString err = MythDB::GetError("MSqlQuery", *this);
        MSqlBindings tmp = QSqlQuery::boundValues();
        bool has_null_strings = false;
        for (MSqlBindings::iterator it = tmp.begin(); it != tmp.end(); ++it)
        {
            if (it->type() != QVariant::String)
                continue;
            if (it->isNull() || it->toString().isNull())
            {
                has_null_strings = true;
                *it = QVariant(QString(""));
            }
        }
        if (has_null_strings)
        {
            bindValues(tmp);
            timer.restart();
            result = QSqlQuery::exec();
            elapsed = timer.elapsed();
        }
        if (result)
        {
            LOG(VB_GENERAL, LOG_ERR,
                QString("Original query failed, but resend with empty "
                        "strings in place of NULL strings worked. ") +
                "\n" + err);
        }
    }

    if (VERBOSE_LEVEL_CHECK(VB_DATABASE, LOG_INFO))
    {
        QString str = lastQuery();

        // Database logging will cause an infinite loop here if not filtered
        // out
        if (!str.startsWith("INSERT INTO logging "))
        {
            // Sadly, neither executedQuery() nor lastQuery() display
            // the values in bound queries against a MySQL5 database.
            // So, replace the named placeholders with their values.

            QMapIterator<QString, QVariant> b = boundValues();
            while (b.hasNext())
            {
                b.next();
                str.replace(b.key(), '\'' + b.value().toString() + '\'');
            }

            LOG(VB_DATABASE, LOG_INFO,
                QString("MSqlQuery::exec(%1) %2%3%4")
                        .arg(m_db->MSqlDatabase::GetConnectionName()).arg(str)
                        .arg(QString(" <<<< Took %1ms").arg(QString::number(elapsed)))
                        .arg(isSelect() ? QString(", Returned %1 row(s)")
                                              .arg(size()) : QString()));
//.........这里部分代码省略.........