| """ |
| 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]) |
