from ..char_classes import LIST_ELLIPSES, LIST_ICONS
from ..char_classes import CONCAT_QUOTES, ALPHA, ALPHA_LOWER, ALPHA_UPPER

from ..punctuation import TOKENIZER_SUFFIXES as DEFAULT_TOKENIZER_SUFFIXES


# Copied from `de` package. Main purpose is to ensure that hyphens are not
# split on.

_quotes = CONCAT_QUOTES.replace("'", "")

_infixes = (
    LIST_ELLIPSES
    + LIST_ICONS
    + [
        r"(?<=[{}])\.(?=[{}])".format(ALPHA_LOWER, ALPHA_UPPER),
        r"(?<=[{a}])[,!?](?=[{a}])".format(a=ALPHA),
        r'(?<=[{a}"])[:<>=](?=[{a}])'.format(a=ALPHA),
        r"(?<=[{a}]),(?=[{a}])".format(a=ALPHA),
        r"(?<=[{a}])([{q}\)\]\(\[])(?=[{a}])".format(a=ALPHA, q=_quotes),
        r"(?<=[{a}])--(?=[{a}])".format(a=ALPHA),
        r"(?<=[0-9])-(?=[0-9])",
    ]
)


# Remove "'s" suffix from suffix list. In Dutch, "'s" is a plural ending when
# it occurs as a suffix and a clitic for "eens" in standalone use. To avoid
# ambiguity it's better to just leave it attached when it occurs as a suffix.
default_suffix_blacklist = ("'s", "'S", "’s", "’S")
_suffixes = [
    suffix
    for suffix in DEFAULT_TOKENIZER_SUFFIXES
    if suffix not in default_suffix_blacklist
]

TOKENIZER_INFIXES = _infixes
TOKENIZER_SUFFIXES = _suffixes