Method ReadAsStringArray

gcore/multidim/gdalmultidim_attribute.cpp:471–495

Return the value of an attribute as an array of strings. * * This is the same as the C function GDALAttributeReadAsStringArray() */

 * This is the same as the C function GDALAttributeReadAsStringArray()
 */
CPLStringList GDALAttribute::ReadAsStringArray() const
{
    const auto nElts = GetTotalElementsCount();
    if (nElts > static_cast<unsigned>(std::numeric_limits<int>::max() - 1))
        return CPLStringList();
    char **papszList = static_cast<char **>(
        VSI_CALLOC_VERBOSE(static_cast<int>(nElts) + 1, sizeof(char *)));
    const auto &dims = GetDimensions();
    const auto nDims = GetDimensionCount();
    std::vector<GUInt64> startIdx(1 + nDims, 0);
    std::vector<size_t> count(1 + nDims);
    for (size_t i = 0; i < nDims; i++)
    {
        count[i] = static_cast<size_t>(dims[i]->GetSize());
    }
    Read(startIdx.data(), count.data(), nullptr, nullptr,
         GDALExtendedDataType::CreateString(), papszList, papszList,
         sizeof(char *) * static_cast<int>(nElts));
    for (int i = 0; i < static_cast<int>(nElts); i++)
    {
        if (papszList[i] == nullptr)
            papszList[i] = CPLStrdup("");
    }
    return CPLStringList(papszList);
}

/************************************************************************/
/*                           ReadAsIntArray()                           */