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