Igor20264
27 lines
613 B
Python
27 lines
613 B
Python
import re
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from marko.block import BlockElement
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from marko.source import Source
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from re import Match
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class Equation(BlockElement):
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"""Represents formula element
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Syntax: $$ 2 + 2 = 4 $$"""
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pattern = re.compile(r"\$\$([\S\s]*?)\$\$", re.M)
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def __init__(self, match: Match[str]):
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self.latex_equation = match.group(1).strip()
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@classmethod
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def match(cls, source: Source) -> Match[str] | None:
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return source.expect_re(cls.pattern)
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@classmethod
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def parse(cls, source: Source) -> Match[str] | None:
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m = source.match
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source.consume()
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return m
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