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

# Cppcheck report - digiKam-nl-search-more-criteria-rev-e2466e0973: ../../core/tests/ocrtextconverter/ocrTesseract_cli.cpp

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    /* ============================================================
     *
     * This file is a part of digiKam project
     * https://www.digikam.org
     *
     * Date        : 2022-08-26
     * Description : CLI tool for OCR Text Converter plugin
     *
     * SPDX-FileCopyrightText: 2022      by Quoc Hung Tran <quochungtran1999 at gmail dot com>
     *
     * SPDX-License-Identifier: GPL-2.0-or-later
     *
     * ============================================================ */

    // Qt includes

    #include <QString>
    #include <QStringList>
    #include <QProcess>
    #include <QFile>
    #include <QUrl>
    #include <QDebug>
    #include <QCoreApplication>
    #include <QDir>

    int main(int argc, char* argv[])
    {
        QCoreApplication app(argc, argv);

        QProcess* const ocrProcess = new QProcess();
        ocrProcess->setProcessChannelMode(QProcess::SeparateChannels);
        QStringList args;

        // ------------------------- IN/OUT ARGUMENTS -------------------------

        QString pathImage       = QLatin1String("../../core/tests/ocrtextconverter/data/");
        QString pathToSaveText  = QLatin1String("../../core/tests/ocrtextconverter/data/");
        QString inputFileName   = pathImage.append(QLatin1String("scanned_img.jpg"));
        QString outputTextName  = pathToSaveText.append(QLatin1String("scanned_img"));

        // add configuration image

        if (!inputFileName.isEmpty())
        {
            args << inputFileName;
        }

        // output base name

        if (!outputTextName.isEmpty())
        {
            args << outputTextName;
        }
        else
        {
            args << QLatin1String("stdout");
        }

        // ----------------------------- OPTIONS -----------------------------

        QString lang       = QLatin1String("eng");
        QString psm        = QLatin1String("3");
        QString oem        = QLatin1String("3");
        QString dpi        = QLatin1String("");
        QUrl userWords     = QUrl(QLatin1String(" "));
        QUrl userPatterns  = QUrl(QLatin1String(" "));

        // User words

        if (!userWords.isValid())<--- Assuming condition is false<--- Assuming condition is false<--- Assuming condition is false<--- Assuming condition is false
        {
            args << QLatin1String("--user-words") << userWords.toLocalFile();
        }

        // User patterns

        if (!userPatterns.isValid())<--- Assuming condition is false<--- Assuming condition is false<--- Assuming condition is false<--- Assuming condition is false
        {
            args << QLatin1String("--user-patterns") << userPatterns.toLocalFile();
        }

        // page Segmentation mode

        if (!psm.isEmpty())<--- Condition '!psm.isEmpty()' is always true
        {
            args << QLatin1String("--psm") << psm;
        }

        // OCR engine mode

        if (!oem.isEmpty())<--- Condition '!oem.isEmpty()' is always true
        {
            args << QLatin1String("--oem") << oem;
        }

        // Language

        if (!lang.isEmpty())<--- Condition '!lang.isEmpty()' is always true
        {
            args << QLatin1String("-l") << lang;
        }

        // Specify DPI for input image
        // Tesseract work best with 300 dpi for input image

        if (!dpi.isEmpty())<--- Condition '!dpi.isEmpty()' is always false
        {
            args << QLatin1String("--dpi") << dpi;
        }

        // ------------------  Running tesseract process ------------------

        const QString cmd = QLatin1String("tesseract");

        ocrProcess->setProgram(cmd);
        ocrProcess->setArguments(args);

        qDebug() << "Running OCR : "
                 << ocrProcess->program()
                 << ocrProcess->arguments();

        ocrProcess->start();

        bool successFlag = (ocrProcess->waitForFinished(-1) && (ocrProcess->exitStatus() == QProcess::NormalExit));

        if (!successFlag)
        {
            qWarning() << "Error starting OCR Process";
            return 0;
        }

        QString output   = QString::fromLocal8Bit(ocrProcess->readAllStandardOutput());

        qDebug() << output;

        delete ocrProcess;

        return 0;
    }