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/django/contrib/gis/gdal/prototypes/ds.py

https://code.google.com/p/mango-py/
Python | 71 lines | 53 code | 7 blank | 11 comment | 0 complexity | 40a7ec48f88f9281af24788bb1c24695 MD5 | raw file
 1"""
 2 This module houses the ctypes function prototypes for OGR DataSource
 3 related data structures. OGR_Dr_*, OGR_DS_*, OGR_L_*, OGR_F_*, 
 4 OGR_Fld_* routines are relevant here.
 5"""
 6from ctypes import c_char_p, c_double, c_int, c_long, c_void_p, POINTER
 7from django.contrib.gis.gdal.envelope import OGREnvelope
 8from django.contrib.gis.gdal.libgdal import lgdal
 9from django.contrib.gis.gdal.prototypes.generation import \
10    const_string_output, double_output, geom_output, int_output, \
11    srs_output, void_output, voidptr_output
12
13c_int_p = POINTER(c_int) # shortcut type
14
15### Driver Routines ###
16register_all = void_output(lgdal.OGRRegisterAll, [], errcheck=False)
17cleanup_all = void_output(lgdal.OGRCleanupAll, [], errcheck=False)
18get_driver = voidptr_output(lgdal.OGRGetDriver, [c_int])
19get_driver_by_name = voidptr_output(lgdal.OGRGetDriverByName, [c_char_p])
20get_driver_count = int_output(lgdal.OGRGetDriverCount, [])
21get_driver_name = const_string_output(lgdal.OGR_Dr_GetName, [c_void_p])
22
23### DataSource ###
24open_ds = voidptr_output(lgdal.OGROpen, [c_char_p, c_int, POINTER(c_void_p)])
25destroy_ds = void_output(lgdal.OGR_DS_Destroy, [c_void_p], errcheck=False)
26release_ds = void_output(lgdal.OGRReleaseDataSource, [c_void_p])
27get_ds_name = const_string_output(lgdal.OGR_DS_GetName, [c_void_p])
28get_layer = voidptr_output(lgdal.OGR_DS_GetLayer, [c_void_p, c_int])
29get_layer_by_name = voidptr_output(lgdal.OGR_DS_GetLayerByName, [c_void_p, c_char_p])
30get_layer_count = int_output(lgdal.OGR_DS_GetLayerCount, [c_void_p])
31
32### Layer Routines ###
33get_extent = void_output(lgdal.OGR_L_GetExtent, [c_void_p, POINTER(OGREnvelope), c_int])
34get_feature = voidptr_output(lgdal.OGR_L_GetFeature, [c_void_p, c_long])
35get_feature_count = int_output(lgdal.OGR_L_GetFeatureCount, [c_void_p, c_int])
36get_layer_defn = voidptr_output(lgdal.OGR_L_GetLayerDefn, [c_void_p])
37get_layer_srs = srs_output(lgdal.OGR_L_GetSpatialRef, [c_void_p])
38get_next_feature = voidptr_output(lgdal.OGR_L_GetNextFeature, [c_void_p])
39reset_reading = void_output(lgdal.OGR_L_ResetReading, [c_void_p], errcheck=False)
40test_capability = int_output(lgdal.OGR_L_TestCapability, [c_void_p, c_char_p])
41get_spatial_filter = geom_output(lgdal.OGR_L_GetSpatialFilter, [c_void_p])
42set_spatial_filter = void_output(lgdal.OGR_L_SetSpatialFilter, [c_void_p, c_void_p], errcheck=False)
43set_spatial_filter_rect = void_output(lgdal.OGR_L_SetSpatialFilterRect, [c_void_p, c_double, c_double, c_double, c_double], errcheck=False)
44
45### Feature Definition Routines ###
46get_fd_geom_type = int_output(lgdal.OGR_FD_GetGeomType, [c_void_p])
47get_fd_name = const_string_output(lgdal.OGR_FD_GetName, [c_void_p])
48get_feat_name = const_string_output(lgdal.OGR_FD_GetName, [c_void_p])
49get_field_count = int_output(lgdal.OGR_FD_GetFieldCount, [c_void_p])
50get_field_defn = voidptr_output(lgdal.OGR_FD_GetFieldDefn, [c_void_p, c_int])
51
52### Feature Routines ###
53clone_feature = voidptr_output(lgdal.OGR_F_Clone, [c_void_p])
54destroy_feature = void_output(lgdal.OGR_F_Destroy, [c_void_p], errcheck=False)
55feature_equal = int_output(lgdal.OGR_F_Equal, [c_void_p, c_void_p])
56get_feat_geom_ref = geom_output(lgdal.OGR_F_GetGeometryRef, [c_void_p])
57get_feat_field_count = int_output(lgdal.OGR_F_GetFieldCount, [c_void_p])
58get_feat_field_defn = voidptr_output(lgdal.OGR_F_GetFieldDefnRef, [c_void_p, c_int])
59get_fid = int_output(lgdal.OGR_F_GetFID, [c_void_p])
60get_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])
61get_field_as_double = double_output(lgdal.OGR_F_GetFieldAsDouble, [c_void_p, c_int])
62get_field_as_integer = int_output(lgdal.OGR_F_GetFieldAsInteger, [c_void_p, c_int])
63get_field_as_string = const_string_output(lgdal.OGR_F_GetFieldAsString, [c_void_p, c_int])
64get_field_index = int_output(lgdal.OGR_F_GetFieldIndex, [c_void_p, c_char_p])
65
66### Field Routines ###
67get_field_name = const_string_output(lgdal.OGR_Fld_GetNameRef, [c_void_p])
68get_field_precision = int_output(lgdal.OGR_Fld_GetPrecision, [c_void_p])
69get_field_type = int_output(lgdal.OGR_Fld_GetType, [c_void_p])
70get_field_type_name = const_string_output(lgdal.OGR_GetFieldTypeName, [c_int])
71get_field_width = int_output(lgdal.OGR_Fld_GetWidth, [c_void_p])