qt-everywhere-src-5.14.1/qtlocation/src/plugins/geoservices/nokia/qgeouriprovider.cpp

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** This file is part of the QtLocation module of the Qt Toolkit.
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#include "qgeouriprovider.h"

#include <QMap>
#include <QVariant>
#include <QRandomGenerator>
#include <QSet>
#include <QString>

QT_BEGIN_NAMESPACE

QGeoUriProvider::QGeoUriProvider(
                QObject *parent,
                const QVariantMap &parameters,
                const QString &hostParameterName,
                const QString &internationalHost,
                const QString &localizedHost)
    : QObject(parent)
    , m_internationalHost(parameters.value(hostParameterName, internationalHost).toString())
    , m_localizedHost(localizedHost)
    , m_firstSubdomain(QChar::Null)
    , m_maxSubdomains(0)
{
    setCurrentHost(isInternationalNetwork() || m_localizedHost.isEmpty() ? m_internationalHost : m_localizedHost);
}

QString QGeoUriProvider::getCurrentHost() const
{
    if (m_maxSubdomains) {
        QString result(m_firstSubdomain.toLatin1() + QRandomGenerator::global()->bounded(m_maxSubdomains));
        result += '.' + m_currentHost;
        return result;
    }
    return m_currentHost;
}

void QGeoUriProvider::setCurrentHost(const QString &host)
{
    if (host.length() > 4 && host.at(1) == QChar('-') && host.at(3) == QChar('.')) {
        QString realHost = host.right(host.length() - 4);
        m_firstSubdomain = host.at(0);
        m_maxSubdomains = host.at(2).toLatin1() - host.at(0).toLatin1() + 1;
        m_currentHost = realHost;
    } else {
        m_currentHost = host;
        m_firstSubdomain = QChar::Null;
        m_maxSubdomains = 0;
    }
}

void QGeoUriProvider::mobileCountryCodeChanged(int interfaceId, const QString& mcc)
{
    Q_UNUSED(interfaceId);
    Q_UNUSED(mcc);

    setCurrentHost(isInternationalNetwork() || m_localizedHost.isEmpty() ? m_internationalHost : m_localizedHost);
}

bool QGeoUriProvider::isInternationalNetwork() const
{
    return true;
}

QT_END_NAMESPACE