blob: 753baf27df51175e685e2b8ed601be4357ca5bad [file] [log] [blame]
# 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