Method LoadIMDWktFile

gcore/mdreader/reader_geo_eye.cpp:227–354

* LoadWKTIMDFile() */

 * LoadWKTIMDFile()
 */
char **GDALMDReaderGeoEye::LoadIMDWktFile() const
{
    char **papszResultList = nullptr;
    char **papszLines = CSLLoad(m_osIMDSourceFilename);
    bool bBeginSection = false;
    CPLString osSection;
    CPLString osKeyLevel1;
    CPLString osKeyLevel2;
    CPLString osKeyLevel3;
    int nLevel = 0;
    int nSpaceCount;

    if (papszLines == nullptr)
        return nullptr;

    for (int i = 0; papszLines[i] != nullptr; i++)
    {
        // skip section (=== or ---) lines

        if (STARTS_WITH_CI(papszLines[i], "==="))
        {
            bBeginSection = true;
            continue;
        }

        if (STARTS_WITH_CI(papszLines[i], "---") ||
            CPLStrnlen(papszLines[i], 512) == 0)
            continue;

        // check the metadata level
        nSpaceCount = 0;
        for (int j = 0; j < 11; j++)
        {
            if (papszLines[i][j] != ' ')
                break;
            nSpaceCount++;
        }

        if (nSpaceCount % 3 != 0)
            continue;  // not a metadata item
        nLevel = nSpaceCount / 3;

        const char *pszValue;
        char *pszKey = nullptr;
        pszValue = CPLParseNameValue(papszLines[i], &pszKey);

        if (nullptr != pszValue && CPLStrnlen(pszValue, 512) > 0)
        {

            CPLString osCurrentKey;
            if (nLevel == 0)
            {
                osCurrentKey = CPLOPrintf("%s", pszKey);
            }
            else if (nLevel == 1)
            {
                osCurrentKey =
                    osKeyLevel1 + "." + CPLOPrintf("%s", pszKey + nSpaceCount);