67 lines
1.7 KiB
Python
67 lines
1.7 KiB
Python
import string
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from ._compat import PY2
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from ._compat import unicode
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if PY2:
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from pipenv.vendor.backports.functools_lru_cache import lru_cache
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else:
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from functools import lru_cache
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class TOMLChar(unicode):
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def __init__(self, c):
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super(TOMLChar, self).__init__()
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if len(self) > 1:
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raise ValueError("A TOML character must be of length 1")
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BARE = string.ascii_letters + string.digits + "-_"
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KV = "= \t"
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NUMBER = string.digits + "+-_.e"
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SPACES = " \t"
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NL = "\n\r"
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WS = SPACES + NL
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@lru_cache(maxsize=None)
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def is_bare_key_char(self): # type: () -> bool
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"""
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Whether the character is a valid bare key name or not.
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"""
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return self in self.BARE
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@lru_cache(maxsize=None)
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def is_kv_sep(self): # type: () -> bool
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"""
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Whether the character is a valid key/value separator ot not.
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"""
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return self in self.KV
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@lru_cache(maxsize=None)
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def is_int_float_char(self): # type: () -> bool
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"""
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Whether the character if a valid integer or float value character or not.
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"""
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return self in self.NUMBER
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@lru_cache(maxsize=None)
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def is_ws(self): # type: () -> bool
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"""
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Whether the character is a whitespace character or not.
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"""
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return self in self.WS
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@lru_cache(maxsize=None)
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def is_nl(self): # type: () -> bool
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"""
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Whether the character is a new line character or not.
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"""
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return self in self.NL
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@lru_cache(maxsize=None)
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def is_spaces(self): # type: () -> bool
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"""
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Whether the character is a space or not
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"""
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return self in self.SPACES
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