57 lines
1.3 KiB
Python
57 lines
1.3 KiB
Python
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from abc import ABC
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from typing import Tuple
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from BaseClasses import CollectionState
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from .protocol import StardewRule
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class LiteralStardewRule(StardewRule, ABC):
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value: bool
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def evaluate_while_simplifying(self, state: CollectionState) -> Tuple[StardewRule, bool]:
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return self, self.value
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def __call__(self, state: CollectionState) -> bool:
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return self.value
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def __repr__(self):
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return str(self.value)
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class True_(LiteralStardewRule): # noqa
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value = True
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def __new__(cls, _cache=[]): # noqa
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# Only one single instance will be ever created.
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if not _cache:
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_cache.append(super(True_, cls).__new__(cls))
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return _cache[0]
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def __or__(self, other) -> StardewRule:
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return self
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def __and__(self, other) -> StardewRule:
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return other
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class False_(LiteralStardewRule): # noqa
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value = False
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def __new__(cls, _cache=[]): # noqa
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# Only one single instance will be ever created.
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if not _cache:
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_cache.append(super(False_, cls).__new__(cls))
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return _cache[0]
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def __or__(self, other) -> StardewRule:
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return other
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def __and__(self, other) -> StardewRule:
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return self
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false_ = False_()
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true_ = True_()
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assert false_
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assert true_
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