import string
class TOMLChar(str):
def __init__(self, c):
super().__init__()
if len(self) > 1:
raise ValueError("A TOML character must be of length 1")
BARE = string.ascii_letters + string.digits + "-_"
KV = "= \t"
NUMBER = string.digits + "+-_.e"
SPACES = " \t"
NL = "\n\r"
WS = SPACES + NL
def is_bare_key_char(self) -> bool:
"""
Whether the character is a valid bare key name or not.
"""
return self in self.BARE
def is_kv_sep(self) -> bool:
"""
Whether the character is a valid key/value separator or not.
"""
return self in self.KV
def is_int_float_char(self) -> bool:
"""
Whether the character if a valid integer or float value character or not.
"""
return self in self.NUMBER
def is_ws(self) -> bool:
"""
Whether the character is a whitespace character or not.
"""
return self in self.WS
def is_nl(self) -> bool:
"""
Whether the character is a new line character or not.
"""
return self in self.NL
def is_spaces(self) -> bool:
"""
Whether the character is a space or not
"""
return self in self.SPACES
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