Method Run

gcore/gdalalgorithm.cpp:6221–6278

/************************************************************************/

bool GDALAlgorithm::Run(GDALProgressFunc pfnProgress, void *pProgressData)
{
    WarnIfDeprecated();

    if (m_selectedSubAlg)
    {
        if (m_calledFromCommandLine)
            m_selectedSubAlg->m_calledFromCommandLine = true;
        return m_selectedSubAlg->Run(pfnProgress, pProgressData);
    }

    if (m_helpRequested || m_helpDocRequested)
    {
        if (m_calledFromCommandLine)
            printf("%s", GetUsageForCLI(false).c_str()); /*ok*/
        return true;
    }

    if (m_JSONUsageRequested)
    {
        if (m_calledFromCommandLine)
            printf("%s", GetUsageAsJSON().c_str()); /*ok*/
        return true;
    }

    if (!ValidateArguments())
        return false;

    if (m_alreadyRun)
    {
        ReportError(CE_Failure, CPLE_AppDefined,
                    "Run() can be called only once per algorithm instance");
        return false;
    }
    m_alreadyRun = true;

    switch (ProcessGDALGOutput())
    {
        case ProcessGDALGOutputRet::GDALG_ERROR:
            return false;

        case ProcessGDALGOutputRet::GDALG_OK:
            return true;

        case ProcessGDALGOutputRet::NOT_GDALG:
            break;
    }

    if (m_executionForStreamOutput)
    {
        if (!CheckSafeForStreamOutput())
        {
            return false;
        }
    }

    return RunImpl(pfnProgress, pProgressData);
}