diff options
Diffstat (limited to 'webapp/django/contrib/gis/gdal/prototypes/ds.py')
-rw-r--r-- | webapp/django/contrib/gis/gdal/prototypes/ds.py | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/webapp/django/contrib/gis/gdal/prototypes/ds.py b/webapp/django/contrib/gis/gdal/prototypes/ds.py new file mode 100644 index 0000000000..b64183eeb3 --- /dev/null +++ b/webapp/django/contrib/gis/gdal/prototypes/ds.py @@ -0,0 +1,68 @@ +""" + This module houses the ctypes function prototypes for OGR DataSource + related data structures. OGR_Dr_*, OGR_DS_*, OGR_L_*, OGR_F_*, + OGR_Fld_* routines are relevant here. +""" +from ctypes import c_char_p, c_int, c_long, c_void_p, POINTER +from django.contrib.gis.gdal.envelope import OGREnvelope +from django.contrib.gis.gdal.libgdal import lgdal +from django.contrib.gis.gdal.prototypes.generation import \ + const_string_output, double_output, geom_output, int_output, \ + srs_output, void_output, voidptr_output + +c_int_p = POINTER(c_int) # shortcut type + +### Driver Routines ### +register_all = void_output(lgdal.OGRRegisterAll, [], errcheck=False) +cleanup_all = void_output(lgdal.OGRCleanupAll, [], errcheck=False) +get_driver = voidptr_output(lgdal.OGRGetDriver, [c_int]) +get_driver_by_name = voidptr_output(lgdal.OGRGetDriverByName, [c_char_p]) +get_driver_count = int_output(lgdal.OGRGetDriverCount, []) +get_driver_name = const_string_output(lgdal.OGR_Dr_GetName, [c_void_p]) + +### DataSource ### +open_ds = voidptr_output(lgdal.OGROpen, [c_char_p, c_int, POINTER(c_void_p)]) +destroy_ds = void_output(lgdal.OGR_DS_Destroy, [c_void_p], errcheck=False) +release_ds = void_output(lgdal.OGRReleaseDataSource, [c_void_p]) +get_ds_name = const_string_output(lgdal.OGR_DS_GetName, [c_void_p]) +get_layer = voidptr_output(lgdal.OGR_DS_GetLayer, [c_void_p, c_int]) +get_layer_by_name = voidptr_output(lgdal.OGR_DS_GetLayerByName, [c_void_p, c_char_p]) +get_layer_count = int_output(lgdal.OGR_DS_GetLayerCount, [c_void_p]) + +### Layer Routines ### +get_extent = void_output(lgdal.OGR_L_GetExtent, [c_void_p, POINTER(OGREnvelope), c_int]) +get_feature = voidptr_output(lgdal.OGR_L_GetFeature, [c_void_p, c_long]) +get_feature_count = int_output(lgdal.OGR_L_GetFeatureCount, [c_void_p, c_int]) +get_layer_defn = voidptr_output(lgdal.OGR_L_GetLayerDefn, [c_void_p]) +get_layer_srs = srs_output(lgdal.OGR_L_GetSpatialRef, [c_void_p]) +get_next_feature = voidptr_output(lgdal.OGR_L_GetNextFeature, [c_void_p]) +reset_reading = void_output(lgdal.OGR_L_ResetReading, [c_void_p], errcheck=False) +test_capability = int_output(lgdal.OGR_L_TestCapability, [c_void_p, c_char_p]) + +### Feature Definition Routines ### +get_fd_geom_type = int_output(lgdal.OGR_FD_GetGeomType, [c_void_p]) +get_fd_name = const_string_output(lgdal.OGR_FD_GetName, [c_void_p]) +get_feat_name = const_string_output(lgdal.OGR_FD_GetName, [c_void_p]) +get_field_count = int_output(lgdal.OGR_FD_GetFieldCount, [c_void_p]) +get_field_defn = voidptr_output(lgdal.OGR_FD_GetFieldDefn, [c_void_p, c_int]) + +### Feature Routines ### +clone_feature = voidptr_output(lgdal.OGR_F_Clone, [c_void_p]) +destroy_feature = void_output(lgdal.OGR_F_Destroy, [c_void_p], errcheck=False) +feature_equal = int_output(lgdal.OGR_F_Equal, [c_void_p, c_void_p]) +get_feat_geom_ref = geom_output(lgdal.OGR_F_GetGeometryRef, [c_void_p]) +get_feat_field_count = int_output(lgdal.OGR_F_GetFieldCount, [c_void_p]) +get_feat_field_defn = voidptr_output(lgdal.OGR_F_GetFieldDefnRef, [c_void_p, c_int]) +get_fid = int_output(lgdal.OGR_F_GetFID, [c_void_p]) +get_field_as_datetime = int_output(lgdal.OGR_F_GetFieldAsDateTime, [c_void_p, c_int, c_int_p, c_int_p, c_int_p, c_int_p, c_int_p, c_int_p]) +get_field_as_double = double_output(lgdal.OGR_F_GetFieldAsDouble, [c_void_p, c_int]) +get_field_as_integer = int_output(lgdal.OGR_F_GetFieldAsInteger, [c_void_p, c_int]) +get_field_as_string = const_string_output(lgdal.OGR_F_GetFieldAsString, [c_void_p, c_int]) +get_field_index = int_output(lgdal.OGR_F_GetFieldIndex, [c_void_p, c_char_p]) + +### Field Routines ### +get_field_name = const_string_output(lgdal.OGR_Fld_GetNameRef, [c_void_p]) +get_field_precision = int_output(lgdal.OGR_Fld_GetPrecision, [c_void_p]) +get_field_type = int_output(lgdal.OGR_Fld_GetType, [c_void_p]) +get_field_type_name = const_string_output(lgdal.OGR_GetFieldTypeName, [c_int]) +get_field_width = int_output(lgdal.OGR_Fld_GetWidth, [c_void_p]) |