scripts/collect_config_options.py: improve to collect PDF config options

Author: rouault

port/cpl_known_config_options.h

@@ -348,12 +348,19 @@ constexpr static const char* const apszKnownConfigOptions[] =
    "GDAL_PAM_ENABLED", // from gdalpamdataset.cpp
    "GDAL_PAM_MODE", // from gdalpamdataset.cpp
    "GDAL_PAM_PROXY_DIR", // from gdalpamproxydb.cpp
+   "GDAL_PDF_BANDS", // from pdfdrivercore.cpp
+   "GDAL_PDF_DPI", // from pdfdrivercore.cpp
    "GDAL_PDF_GEO_ENCODING", // from pdfcreatecopy.cpp, pdfdataset.cpp
    "GDAL_PDF_LAUNDER_LAYER_NAMES", // from pdfdataset.cpp
+   "GDAL_PDF_LAYERS", // from pdfdrivercore.cpp
+   "GDAL_PDF_LAYERS_OFF", // from pdfdrivercore.cpp
+   "GDAL_PDF_LIB", // from pdfdrivercore.cpp
    "GDAL_PDF_LIMIT_PAGE_COUNT", // from pdfdataset.cpp
+   "GDAL_PDF_NEATLINE", // from pdfdrivercore.cpp
    "GDAL_PDF_OGC_BP_READ_WKT", // from pdfdataset.cpp
    "GDAL_PDF_OGC_BP_WRITE_WKT", // from pdfcreatecopy.cpp, pdfcreatefromcomposition.cpp
    "GDAL_PDF_PRINT_COMMANDS", // from pdfdataset.cpp
+   "GDAL_PDF_RENDERING_OPTIONS", // from pdfdrivercore.cpp
    "GDAL_PDF_USE_SPAWN", // from pdfdataset.cpp
    "GDAL_PDF_WRITE_ESRI_CODE_AS_EPSG", // from pdfcreatecopy.cpp
    "GDAL_PDF_WRITE_GEOREF_ON_IMAGE", // from pdfcreatecopy.cpp
@@ -899,6 +906,7 @@ constexpr static const char* const apszKnownConfigOptions[] =
    "PDF_DUMP_STREAM", // from pdfdataset.cpp
    "PDF_REPORT_GCPS", // from pdfdataset.cpp
    "PDF_USE_CTM", // from pdfdataset.cpp
+   "PDF_USER_PWD", // from pdfdrivercore.cpp
    "PDS4_ENDIANNESS", // from pds4vector.cpp
    "PDS4_FORCE_MASK", // from pds4dataset.cpp
    "PDS4_SIGNEDNESS", // from pds4vector.cpp

scripts/collect_config_options.py

@@ -131,6 +131,16 @@ def collect_config_options(filename):
                 else:
                     options[option].add(os.path.basename(filename))
 
+        pos = l.find("alt_config_option='")
+        if pos >= 0:
+            pos_start = pos + len("alt_config_option='")
+            pos_end = l.find("'", pos_start)
+            option = l[pos_start:pos_end]
+            if option not in options:
+                options[option] = set([os.path.basename(filename)])
+            else:
+                options[option].add(os.path.basename(filename))
+
 
 def explore(dirname):
     for filename in glob.glob(dirname + "/*"):