|
|
|
|
|
import re |
|
|
|
|
|
from ..common.entities import entities |
|
|
from ..common.utils import fromCodePoint, isValidEntityCode |
|
|
from .state_inline import StateInline |
|
|
|
|
|
DIGITAL_RE = re.compile(r"^&#((?:x[a-f0-9]{1,6}|[0-9]{1,7}));", re.IGNORECASE) |
|
|
NAMED_RE = re.compile(r"^&([a-z][a-z0-9]{1,31});", re.IGNORECASE) |
|
|
|
|
|
|
|
|
def entity(state: StateInline, silent: bool) -> bool: |
|
|
pos = state.pos |
|
|
maximum = state.posMax |
|
|
|
|
|
if state.src[pos] != "&": |
|
|
return False |
|
|
|
|
|
if pos + 1 >= maximum: |
|
|
return False |
|
|
|
|
|
if state.src[pos + 1] == "#": |
|
|
if match := DIGITAL_RE.search(state.src[pos:]): |
|
|
if not silent: |
|
|
match1 = match.group(1) |
|
|
code = ( |
|
|
int(match1[1:], 16) if match1[0].lower() == "x" else int(match1, 10) |
|
|
) |
|
|
|
|
|
token = state.push("text_special", "", 0) |
|
|
token.content = ( |
|
|
fromCodePoint(code) |
|
|
if isValidEntityCode(code) |
|
|
else fromCodePoint(0xFFFD) |
|
|
) |
|
|
token.markup = match.group(0) |
|
|
token.info = "entity" |
|
|
|
|
|
state.pos += len(match.group(0)) |
|
|
return True |
|
|
|
|
|
else: |
|
|
if (match := NAMED_RE.search(state.src[pos:])) and match.group(1) in entities: |
|
|
if not silent: |
|
|
token = state.push("text_special", "", 0) |
|
|
token.content = entities[match.group(1)] |
|
|
token.markup = match.group(0) |
|
|
token.info = "entity" |
|
|
|
|
|
state.pos += len(match.group(0)) |
|
|
return True |
|
|
|
|
|
return False |
|
|
|
