| # 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) |
| |
| |
| 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 |
