Method RunValidationActions

gcore/gdalalgorithm.cpp:999–1231

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

bool GDALAlgorithmArg::RunValidationActions()
{
    bool ret = true;

    if (GetType() == GAAT_STRING && !GetChoices().empty())
    {
        auto &val = Get<std::string>();
        std::string validVal = ValidateChoice(val);
        if (validVal.empty())
            ret = false;
        else
            val = std::move(validVal);
    }
    else if (GetType() == GAAT_STRING_LIST && !GetChoices().empty())
    {
        auto &values = Get<std::vector<std::string>>();
        for (std::string &val : values)
        {
            std::string validVal = ValidateChoice(val);
            if (validVal.empty())
                ret = false;
            else
                val = std::move(validVal);
        }
    }

    const auto CheckMinCharCount =
        [this, &ret](const std::string &val, int nMinCharCount)
    {
        if (val.size() < static_cast<size_t>(nMinCharCount))
        {
            CPLError(CE_Failure, CPLE_IllegalArg,
                     "Value of argument '%s' is '%s', but should have at least "
                     "%d character%s",
                     GetName().c_str(), val.c_str(), nMinCharCount,
                     nMinCharCount > 1 ? "s" : "");
            ret = false;
        }
    };

    const auto CheckMaxCharCount =
        [this, &ret](const std::string &val, int nMaxCharCount)
    {
        if (val.size() > static_cast<size_t>(nMaxCharCount))
        {
            CPLError(
                CE_Failure, CPLE_IllegalArg,
                "Value of argument '%s' is '%s', but should have no more than "
                "%d character%s",
                GetName().c_str(), val.c_str(), nMaxCharCount,
                nMaxCharCount > 1 ? "s" : "");
            ret = false;
        }
    };

    switch (GetType())
    {
        case GAAT_BOOLEAN: