44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
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"""Proceess '\n'."""
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from ..common.utils import charStrAt, isStrSpace
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from .state_inline import StateInline
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def newline(state: StateInline, silent: bool) -> bool:
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pos = state.pos
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if state.src[pos] != "\n":
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return False
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pmax = len(state.pending) - 1
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maximum = state.posMax
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# ' \n' -> hardbreak
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# Lookup in pending chars is bad practice! Don't copy to other rules!
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# Pending string is stored in concat mode, indexed lookups will cause
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# conversion to flat mode.
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if not silent:
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if pmax >= 0 and charStrAt(state.pending, pmax) == " ":
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if pmax >= 1 and charStrAt(state.pending, pmax - 1) == " ":
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# Find whitespaces tail of pending chars.
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ws = pmax - 1
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while ws >= 1 and charStrAt(state.pending, ws - 1) == " ":
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ws -= 1
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state.pending = state.pending[:ws]
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state.push("hardbreak", "br", 0)
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else:
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state.pending = state.pending[:-1]
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state.push("softbreak", "br", 0)
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else:
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state.push("softbreak", "br", 0)
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pos += 1
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# skip heading spaces for next line
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while pos < maximum and isStrSpace(state.src[pos]):
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pos += 1
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state.pos = pos
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return True
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