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import functools
import re
# Skip text characters for text token, place those to pending buffer
# and increment current pos
from .state_inline import StateInline
# Rule to skip pure text
# '{}$%@~+=:' reserved for extensions
# !!!! Don't confuse with "Markdown ASCII Punctuation" chars
# http://spec.commonmark.org/0.15/#ascii-punctuation-character
_TerminatorChars = {
"\n",
"!",
"#",
"$",
"%",
"&",
"*",
"+",
"-",
":",
"<",
"=",
">",
"@",
"[",
"\\",
"]",
"^",
"_",
"`",
"{",
"}",
"~",
}
@functools.cache
def _terminator_char_regex() -> re.Pattern[str]:
return re.compile("[" + re.escape("".join(_TerminatorChars)) + "]")
def text(state: StateInline, silent: bool) -> bool:
pos = state.pos
posMax = state.posMax
terminator_char = _terminator_char_regex().search(state.src, pos)
pos = terminator_char.start() if terminator_char else posMax
if pos == state.pos:
return False
if not silent:
state.pending += state.src[state.pos : pos]
state.pos = pos
return True
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