1"""Horizontal rule
2
3At least 3 of these characters on a line * - _
4"""
5
6import logging
7
8from ..common.utils import isStrSpace
9from .state_block import StateBlock
10
11LOGGER = logging.getLogger(__name__)
12
13
14def hr(state: StateBlock, startLine: int, endLine: int, silent: bool) -> bool:
15 LOGGER.debug("entering hr: %s, %s, %s, %s", state, startLine, endLine, silent)
16
17 pos = state.bMarks[startLine] + state.tShift[startLine]
18 maximum = state.eMarks[startLine]
19
20 if state.is_code_block(startLine):
21 return False
22
23 try:
24 marker = state.src[pos]
25 except IndexError:
26 return False
27 pos += 1
28
29 # Check hr marker
30 if marker not in ("*", "-", "_"):
31 return False
32
33 # markers can be mixed with spaces, but there should be at least 3 of them
34
35 cnt = 1
36 while pos < maximum:
37 ch = state.src[pos]
38 pos += 1
39 if ch != marker and not isStrSpace(ch):
40 return False
41 if ch == marker:
42 cnt += 1
43
44 if cnt < 3:
45 return False
46
47 if silent:
48 return True
49
50 state.line = startLine + 1
51
52 token = state.push("hr", "hr", 0)
53 token.map = [startLine, state.line]
54 token.markup = marker * (cnt + 1)
55
56 return True