# -*- coding: utf-8 -*-
"""Classification Level Encodings
====================================
.. module:: pcapkit.vendor.ipv4.classification_level
This module contains the vendor crawler for **Classification Level Encodings**,
which is automatically generating :class:`pcapkit.const.ipv4.classification_level.ClassificationLevel`.
"""
import collections
import sys
from typing import TYPE_CHECKING
from pcapkit.vendor.default import Vendor
if TYPE_CHECKING:
from collections import Counter
__all__ = ['ClassificationLevel']
#: Encoding registry.
DATA = {
0b0000_0001: 'Reserved [4]',
0b0011_1101: 'Top Secret',
0b0101_1010: 'Secret',
0b1001_0110: 'Confidential',
0b0110_0110: 'Reserved [3]',
0b1100_1100: 'Reserved [2]',
0b1010_1011: 'Unclassified',
0b1111_0001: 'Reserved [1]',
} # type: dict[int, str]
def binary(code: 'int') -> 'str':
"""Convert code to binary form."""
return f'0b{bin(code)[2:].upper().zfill(8)}'
[docs]
class ClassificationLevel(Vendor):
"""Classification Level Encodings"""
#: Value limit checker.
FLAG = 'isinstance(value, int) and 0b00000000 <= value <= 0b11111111'
def request(self) -> 'dict[int, str]': # type: ignore[override] # pylint: disable=arguments-differ
"""Fetch registry data.
Returns:
Registry data (:data:`~pcapkit.vendor.ipv4.classification_level.DATA`).
"""
return DATA
def count(self, data: 'dict[int, str]') -> 'Counter[str]': # type: ignore[override]
"""Count field records.
Args:
data: Registry data.
Returns:
Field recordings.
"""
return collections.Counter(map(self.safe_name, data.values()))
def process(self, data: 'dict[int, str]') -> 'tuple[list[str], list[str]]': # type: ignore[override]
"""Process registry data.
Args:
data: Registry data.
Returns:
Enumeration fields and missing fields.
"""
enum = [] # type: list[str]
miss = [
'temp = bin(value)[2:].upper().zfill(8)',
"return extend_enum(cls, 'Unassigned_0b%s' % (temp[:4]+'_'+temp[4:]), value)",
]
for code, name in data.items():
bncd = binary(code)
renm = self.rename(name, bncd)
enum.append(f"{renm} = {bncd}".ljust(76))
return enum, miss
if __name__ == '__main__':
sys.exit(ClassificationLevel()) # type: ignore[arg-type]