from ..char_classes import (
ALPHA,
ALPHA_LOWER,
CONCAT_QUOTES,
HYPHENS,
LIST_ELLIPSES,
LIST_ICONS,
LIST_PUNCT,
LIST_QUOTES,
UNITS,
)
_currency = r"\$¢£€¥฿৳"
_quotes = CONCAT_QUOTES.replace("'", "")
_list_punct = LIST_PUNCT + "। ॥".strip().split()
_prefixes = [r"\+"] + _list_punct + LIST_ELLIPSES + LIST_QUOTES + LIST_ICONS
_suffixes = (
_list_punct
+ LIST_ELLIPSES
+ LIST_QUOTES
+ LIST_ICONS
+ [
r"(?<=[0-9])\+",
r"(?<=°[FfCcKk])\.",
r"(?<=[0-9])(?:[{c}])".format(c=_currency),
r"(?<=[0-9])(?:{u})".format(u=UNITS),
r"(?<=[{al}{e}{q}(?:{c})])\.".format(
al=ALPHA_LOWER, e=r"%²\-\+", q=CONCAT_QUOTES, c=_currency
),
]
)
_infixes = (
LIST_ELLIPSES
+ LIST_ICONS
+ [
r"(?<=[0-9{zero}-{nine}])[+\-\*^=](?=[0-9{zero}-{nine}-])".format(
zero="০", nine="৯"
),
r"(?<=[{a}]),(?=[{a}])".format(a=ALPHA),
r"(?<=[{a}])({h})(?=[{ae}])".format(a=ALPHA, h=HYPHENS, ae="এ"),
r"(?<=[{a}])(?:{h})(?=[{a}])".format(a=ALPHA, h=HYPHENS),
r"(?<=[{a}])[:<>=/](?=[{a}])".format(a=ALPHA),
]
)
TOKENIZER_PREFIXES = _prefixes
TOKENIZER_SUFFIXES = _suffixes
TOKENIZER_INFIXES = _infixes
