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Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: MIT-0
"""
from __future__ import annotations
from typing import Any
from cfnlint.helpers import FUNCTION_RULES
from cfnlint.jsonschema import Validator
from cfnlint.rules.functions._BaseFn import BaseFn
class Not(BaseFn):
"""Check Not Condition Function Logic"""
id = "E8005"
shortdesc = "Check Fn::Not structure for validity"
description = "Check Fn::Not is a list of one element"
source_url = "https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/intrinsic-function-reference-conditions.html#intrinsic-function-reference-conditions-not"
tags = ["functions", "not"]
def __init__(self) -> None:
super().__init__("Fn::Not", ("boolean",))
self.fn_not = self.validate
def schema(self, validator: Validator, instance: Any) -> dict[str, Any]:
if validator.context.path.path and validator.context.path.path[0] == "Rules":
functions = list(FUNCTION_RULES)
else:
functions = [
"Condition",
"Fn::Equals",
"Fn::Not",
"Fn::And",
"Fn::Or",
]
return {
"type": "array",
"maxItems": 1,
"minItems": 1,
"fn_items": {
"functions": functions,
"schema": {
"type": ["boolean"],
},
},
}
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