diff options
| author | Andrew Lamoureux <andrew@vector35.com> | 2019-03-19 17:32:44 -0400 |
|---|---|---|
| committer | Rusty Wagner <rusty@vector35.com> | 2019-03-20 13:00:17 -0400 |
| commit | 24ead55316ac8497df5842caf4e1d51f2b799787 (patch) | |
| tree | 3dfdfae8a076445c9d24bf6d1b40e57f36ebf94a /python/examples/kaitai/shapefile_index.py | |
| parent | 411acbaa4a1d217e731d3df0b189445117be3b26 (diff) | |
kaitai: adjustments and rearrangements for python2/3 compat
Diffstat (limited to 'python/examples/kaitai/shapefile_index.py')
| -rw-r--r-- | python/examples/kaitai/shapefile_index.py | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/python/examples/kaitai/shapefile_index.py b/python/examples/kaitai/shapefile_index.py new file mode 100644 index 00000000..4fbc7142 --- /dev/null +++ b/python/examples/kaitai/shapefile_index.py @@ -0,0 +1,159 @@ +# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild + +from pkg_resources import parse_version +from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO +from enum import Enum +import collections + + +if parse_version(ks_version) < parse_version('0.7'): + raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version)) + +class ShapefileIndex(KaitaiStruct): + + class ShapeType(Enum): + null_shape = 0 + point = 1 + poly_line = 3 + polygon = 5 + multi_point = 8 + point_z = 11 + poly_line_z = 13 + polygon_z = 15 + multi_point_z = 18 + point_m = 21 + poly_line_m = 23 + polygon_m = 25 + multi_point_m = 28 + multi_patch = 31 + SEQ_FIELDS = ["header", "records"] + def __init__(self, _io, _parent=None, _root=None): + self._io = _io + self._parent = _parent + self._root = _root if _root else self + self._debug = collections.defaultdict(dict) + + def _read(self): + self._debug['header']['start'] = self._io.pos() + self.header = self._root.FileHeader(self._io, self, self._root) + self.header._read() + self._debug['header']['end'] = self._io.pos() + self._debug['records']['start'] = self._io.pos() + self.records = [] + i = 0 + while not self._io.is_eof(): + if not 'arr' in self._debug['records']: + self._debug['records']['arr'] = [] + self._debug['records']['arr'].append({'start': self._io.pos()}) + _t_records = self._root.Record(self._io, self, self._root) + _t_records._read() + self.records.append(_t_records) + self._debug['records']['arr'][len(self.records) - 1]['end'] = self._io.pos() + i += 1 + + self._debug['records']['end'] = self._io.pos() + + class FileHeader(KaitaiStruct): + SEQ_FIELDS = ["file_code", "unused_field_1", "unused_field_2", "unused_field_3", "unused_field_4", "unused_field_5", "file_length", "version", "shape_type", "bounding_box"] + def __init__(self, _io, _parent=None, _root=None): + self._io = _io + self._parent = _parent + self._root = _root if _root else self + self._debug = collections.defaultdict(dict) + + def _read(self): + self._debug['file_code']['start'] = self._io.pos() + self.file_code = self._io.ensure_fixed_contents(b"\x00\x00\x27\x0A") + self._debug['file_code']['end'] = self._io.pos() + self._debug['unused_field_1']['start'] = self._io.pos() + self.unused_field_1 = self._io.ensure_fixed_contents(b"\x00\x00\x00\x00") + self._debug['unused_field_1']['end'] = self._io.pos() + self._debug['unused_field_2']['start'] = self._io.pos() + self.unused_field_2 = self._io.ensure_fixed_contents(b"\x00\x00\x00\x00") + self._debug['unused_field_2']['end'] = self._io.pos() + self._debug['unused_field_3']['start'] = self._io.pos() + self.unused_field_3 = self._io.ensure_fixed_contents(b"\x00\x00\x00\x00") + self._debug['unused_field_3']['end'] = self._io.pos() + self._debug['unused_field_4']['start'] = self._io.pos() + self.unused_field_4 = self._io.ensure_fixed_contents(b"\x00\x00\x00\x00") + self._debug['unused_field_4']['end'] = self._io.pos() + self._debug['unused_field_5']['start'] = self._io.pos() + self.unused_field_5 = self._io.ensure_fixed_contents(b"\x00\x00\x00\x00") + self._debug['unused_field_5']['end'] = self._io.pos() + self._debug['file_length']['start'] = self._io.pos() + self.file_length = self._io.read_s4be() + self._debug['file_length']['end'] = self._io.pos() + self._debug['version']['start'] = self._io.pos() + self.version = self._io.ensure_fixed_contents(b"\xE8\x03\x00\x00") + self._debug['version']['end'] = self._io.pos() + self._debug['shape_type']['start'] = self._io.pos() + self.shape_type = KaitaiStream.resolve_enum(self._root.ShapeType, self._io.read_s4le()) + self._debug['shape_type']['end'] = self._io.pos() + self._debug['bounding_box']['start'] = self._io.pos() + self.bounding_box = self._root.BoundingBoxXYZM(self._io, self, self._root) + self.bounding_box._read() + self._debug['bounding_box']['end'] = self._io.pos() + + + class Record(KaitaiStruct): + SEQ_FIELDS = ["offset", "content_length"] + def __init__(self, _io, _parent=None, _root=None): + self._io = _io + self._parent = _parent + self._root = _root if _root else self + self._debug = collections.defaultdict(dict) + + def _read(self): + self._debug['offset']['start'] = self._io.pos() + self.offset = self._io.read_s4be() + self._debug['offset']['end'] = self._io.pos() + self._debug['content_length']['start'] = self._io.pos() + self.content_length = self._io.read_s4be() + self._debug['content_length']['end'] = self._io.pos() + + + class BoundingBoxXYZM(KaitaiStruct): + SEQ_FIELDS = ["x", "y", "z", "m"] + def __init__(self, _io, _parent=None, _root=None): + self._io = _io + self._parent = _parent + self._root = _root if _root else self + self._debug = collections.defaultdict(dict) + + def _read(self): + self._debug['x']['start'] = self._io.pos() + self.x = self._root.BoundsMinMax(self._io, self, self._root) + self.x._read() + self._debug['x']['end'] = self._io.pos() + self._debug['y']['start'] = self._io.pos() + self.y = self._root.BoundsMinMax(self._io, self, self._root) + self.y._read() + self._debug['y']['end'] = self._io.pos() + self._debug['z']['start'] = self._io.pos() + self.z = self._root.BoundsMinMax(self._io, self, self._root) + self.z._read() + self._debug['z']['end'] = self._io.pos() + self._debug['m']['start'] = self._io.pos() + self.m = self._root.BoundsMinMax(self._io, self, self._root) + self.m._read() + self._debug['m']['end'] = self._io.pos() + + + class BoundsMinMax(KaitaiStruct): + SEQ_FIELDS = ["min", "max"] + def __init__(self, _io, _parent=None, _root=None): + self._io = _io + self._parent = _parent + self._root = _root if _root else self + self._debug = collections.defaultdict(dict) + + def _read(self): + self._debug['min']['start'] = self._io.pos() + self.min = self._io.read_f8be() + self._debug['min']['end'] = self._io.pos() + self._debug['max']['start'] = self._io.pos() + self.max = self._io.read_f8be() + self._debug['max']['end'] = self._io.pos() + + + |
