markdown_it.rules_inline.entity 源代码

# Process html entity - {, ¯, ", ...
import re

from ..common.entities import entities
from ..common.utils import has, isValidEntityCode, fromCodePoint
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)


[文档]def entity(state: StateInline, silent: bool): pos = state.pos maximum = state.posMax if state.srcCharCode[pos] != 0x26: # /* & */ return False if (pos + 1) < maximum: ch = state.srcCharCode[pos + 1] if ch == 0x23: # /* # */ match = DIGITAL_RE.search(state.src[pos:]) if match: if not silent: match1 = match.group(1) code = ( int(match1[1:], 16) if match1[0].lower() == "x" else int(match1, 10) ) state.pending += ( fromCodePoint(code) if isValidEntityCode(code) else fromCodePoint(0xFFFD) ) state.pos += len(match.group(0)) return True else: match = NAMED_RE.search(state.src[pos:]) if match: if has(entities, match.group(1)): if not silent: state.pending += entities[match.group(1)] state.pos += len(match.group(0)) return True if not silent: state.pending += "&" state.pos += 1 return True