Cppcheck - HTML report - digiKam-nl-search-more-criteria-rev-e2466e0973

# Cppcheck report - digiKam-nl-search-more-criteria-rev-e2466e0973: ../../core/utilities/geolocation/engine/core/MarbleDirs.cpp

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    /* ============================================================
     *
     * This file is a part of digiKam project
     * https://www.digikam.org
     *
     * Date        : 2023-05-15
     * Description : geolocation engine based on Marble.
     *               (c) 2007-2022 Marble Team
     *               https://invent.kde.org/education/marble/-/raw/master/data/credits_authors.html
     *
     * SPDX-FileCopyrightText: 2023-2026 by Gilles Caulier <caulier dot gilles at gmail dot com>
     *
     * SPDX-License-Identifier: LGPL-2.1-or-later
     *
     * ============================================================ */

    #include "MarbleDirs.h"

    // Qt includes

    #include <QFile>
    #include <QCoreApplication>
    #include <QLibraryInfo>
    #include <QStandardPaths>

    // Local includes

    #include "digikam_debug.h"

    namespace Marble
    {

    QString MarbleDirs::path(const QString& relativePath)
    {
        QString localpath  = localPath()       +
                             QDir::separator() +
                             relativePath;   // local path
        QString systempath = systemPath()      +
                             QDir::separator() +
                             relativePath;   // system path
        QString fullpath   = systempath;

        if (QFile::exists(localpath))
        {
            fullpath = localpath;
        }

        return QDir(fullpath).canonicalPath();
    }

    QString MarbleDirs::pluginPath(const QString& relativePath)
    {
        const QString localpath  = pluginLocalPath()  +
                                   QDir::separator()  +
                                   relativePath; // local path
        const QString systempath = pluginSystemPath() +
                                   QDir::separator()  +
                                   relativePath; // system path
        QString fullpath         = systempath;

        if (QFile::exists(localpath))
        {
            fullpath = localpath;
        }

        return QDir(fullpath).canonicalPath();
    }

    QStringList MarbleDirs::entryList(const QString& relativePath, QDir::Filters filters)
    {
        QStringList filesLocal  = QDir(MarbleDirs::localPath()  +
                                       QDir::separator()             +
                                       relativePath).entryList(filters);
        QStringList filesSystem = QDir(MarbleDirs::systemPath() +
                                       QDir::separator()             +
                                       relativePath).entryList(filters);
        QStringList allFiles(filesLocal);
        allFiles << filesSystem;

        // remove duplicate entries

        allFiles.sort();

        for (int i = 1 ; i < allFiles.size() ; ++i)
        {
            if (allFiles.at(i) == allFiles.at(i - 1))
            {
                allFiles.removeAt(i);
                --i;
            }
        }

        return allFiles;
    }

    QStringList MarbleDirs::pluginEntryList(const QString& relativePath, QDir::Filters filters)
    {
        QStringList allFiles;

        // First we try to load in first the local plugin if DK_PLUG_PATH variable is declared.
        // Else, we will load plugins from the system using the standard Qt plugin path.

        QByteArray  dkenv = qgetenv("DK_PLUGIN_PATH");

        if (dkenv.isEmpty())
        {
            allFiles        = QDir(MarbleDirs::pluginLocalPath() +
                                   QDir::separator()             +
                                   relativePath).entryList(filters);
            auto const pluginSystemPath = MarbleDirs::pluginSystemPath();<--- Shadow local variable

            if (!pluginSystemPath.isEmpty())
            {
                allFiles << QDir(pluginSystemPath + QDir::separator() + relativePath).entryList(filters);
            }
        }
        else
        {
            qCWarning(DIGIKAM_GEOENGINE_LOG) << "DK_PLUGIN_PATH env.variable detected. "
                                             "We will use it to load Geolocation plugin...";

            const auto pathList = QString::fromUtf8(dkenv).split(QLatin1Char(';'),
                                                                 Qt::SkipEmptyParts);

            for (const QString& pth : pathList)
            {
                allFiles << QDir(pth).entryList(filters);
            }
        }

        // remove duplicate entries

        allFiles.sort();

        for (int i = 1 ; i < allFiles.size() ; ++i)
        {
            if (allFiles.at(i) == allFiles.at(i - 1))
            {
                allFiles.removeAt(i);
                --i;
            }
        }

        return allFiles;
    }

    QString MarbleDirs::systemPath()
    {
        QString path = QStandardPaths::locate(QStandardPaths::GenericDataLocation,<--- Shadow local variable
                                              QLatin1String("digikam/marble"),
                                              QStandardPaths::LocateDirectory);

        return path;
    }

    QString MarbleDirs::localPath()
    {
        return (
                   QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) +
                   QLatin1String("/digikam/marble_data")
               );
    }

    QString MarbleDirs::pluginLocalPath()
    {
        return (
                   QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) +
                   QLatin1String("/digikam/marble_plugins")
               );
    }

    QString MarbleDirs::pluginSystemPath()
    {

    #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))

        return (
                   QLibraryInfo::path(QLibraryInfo::PluginsPath) +
                   QLatin1String("/digikam/marble")
               );

    #else

        return (
                   QLibraryInfo::location(QLibraryInfo::PluginsPath) +
                   QLatin1String("/digikam/marble")
               );

    #endif

    }

    void MarbleDirs::debug()
    {
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "=== MarbleDirs: ===";
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "Local Path        :" << localPath();
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "Plugin Local Path :" << pluginLocalPath();
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "System Path       :" << systemPath();
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "Plugin System Path:" << pluginSystemPath();
        qCDebug(DIGIKAM_GEOENGINE_LOG) << "===================";
    }

    } // namespace Marble