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