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"""Library for parsing and encoding BOOLEAN values."""
from ical.parsing.property import ParsedProperty
from .data_types import DATA_TYPE
@DATA_TYPE.register("BOOLEAN")
class BooleanEncoder:
"""Encode a boolean ICS value."""
@classmethod
def __property_type__(cls) -> type:
return bool
@classmethod
def __parse_property_value__(cls, prop: ParsedProperty) -> bool:
"""Parse an rfc5545 property into a boolean."""
if prop.value == "TRUE":
return True
if prop.value == "FALSE":
return False
raise ValueError(f"Unable to parse value as boolean: {prop}")
@classmethod
def __encode_property_value__(cls, value: bool) -> str:
"""Serialize boolean as an ICS value."""
return "TRUE" if value else "FALSE"
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