| |
| 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 |
|
|
