| """Process links like https://example.org/""" |
|
|
| import re |
|
|
| from .state_inline import StateInline |
|
|
| |
| SCHEME_RE = re.compile(r"(?:^|[^a-z0-9.+-])([a-z][a-z0-9.+-]*)$", re.IGNORECASE) |
|
|
|
|
| def linkify(state: StateInline, silent: bool) -> bool: |
| """Rule for identifying plain-text links.""" |
| if not state.md.options.linkify: |
| return False |
| if state.linkLevel > 0: |
| return False |
| if not state.md.linkify: |
| raise ModuleNotFoundError("Linkify enabled but not installed.") |
|
|
| pos = state.pos |
| maximum = state.posMax |
|
|
| if ( |
| (pos + 3) > maximum |
| or state.src[pos] != ":" |
| or state.src[pos + 1] != "/" |
| or state.src[pos + 2] != "/" |
| ): |
| return False |
|
|
| if not (match := SCHEME_RE.search(state.pending)): |
| return False |
|
|
| proto = match.group(1) |
| if not (link := state.md.linkify.match_at_start(state.src[pos - len(proto) :])): |
| return False |
| url: str = link.url |
|
|
| |
| url = url.rstrip("*") |
|
|
| full_url = state.md.normalizeLink(url) |
| if not state.md.validateLink(full_url): |
| return False |
|
|
| if not silent: |
| state.pending = state.pending[: -len(proto)] |
|
|
| token = state.push("link_open", "a", 1) |
| token.attrs = {"href": full_url} |
| token.markup = "linkify" |
| token.info = "auto" |
|
|
| token = state.push("text", "", 0) |
| token.content = state.md.normalizeLinkText(url) |
|
|
| token = state.push("link_close", "a", -1) |
| token.markup = "linkify" |
| token.info = "auto" |
|
|
| state.pos += len(url) - len(proto) |
| return True |
|
|
