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1# Process html tags
2from ..common.html_re import HTML_TAG_RE
3from ..common.utils import isLinkClose, isLinkOpen
4from .state_inline import StateInline
7def isLetter(ch: int) -> bool:
8 lc = ch | 0x20 # to lower case
9 # /* a */ and /* z */
10 return (lc >= 0x61) and (lc <= 0x7A)
13def html_inline(state: StateInline, silent: bool) -> bool:
14 pos = state.pos
16 if not state.md.options.get("html", None):
17 return False
19 # Check start
20 maximum = state.posMax
21 if state.src[pos] != "<" or pos + 2 >= maximum:
22 return False
24 # Quick fail on second char
25 ch = state.src[pos + 1]
26 if ch not in ("!", "?", "/") and not isLetter(ord(ch)): # /* / */
27 return False
29 match = HTML_TAG_RE.search(state.src[pos:])
30 if not match:
31 return False
33 if not silent:
34 token = state.push("html_inline", "", 0)
35 token.content = state.src[pos : pos + len(match.group(0))]
37 if isLinkOpen(token.content):
38 state.linkLevel += 1
39 if isLinkClose(token.content):
40 state.linkLevel -= 1
42 state.pos += len(match.group(0))
43 return True