78 lines
2.0 KiB
Python
78 lines
2.0 KiB
Python
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# Process autolinks '<protocol:...>'
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import re
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from .state_inline import StateInline
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EMAIL_RE = re.compile(
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r"^([a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$" # noqa: E501
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)
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AUTOLINK_RE = re.compile(r"^([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)$")
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def autolink(state: StateInline, silent: bool) -> bool:
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pos = state.pos
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if state.src[pos] != "<":
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return False
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start = state.pos
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maximum = state.posMax
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while True:
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pos += 1
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if pos >= maximum:
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return False
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ch = state.src[pos]
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if ch == "<":
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return False
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if ch == ">":
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break
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url = state.src[start + 1 : pos]
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if AUTOLINK_RE.search(url) is not None:
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fullUrl = state.md.normalizeLink(url)
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if not state.md.validateLink(fullUrl):
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return False
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if not silent:
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token = state.push("link_open", "a", 1)
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token.attrs = {"href": fullUrl}
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token.markup = "autolink"
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token.info = "auto"
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token = state.push("text", "", 0)
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token.content = state.md.normalizeLinkText(url)
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token = state.push("link_close", "a", -1)
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token.markup = "autolink"
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token.info = "auto"
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state.pos += len(url) + 2
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return True
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if EMAIL_RE.search(url) is not None:
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fullUrl = state.md.normalizeLink("mailto:" + url)
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if not state.md.validateLink(fullUrl):
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return False
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if not silent:
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token = state.push("link_open", "a", 1)
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token.attrs = {"href": fullUrl}
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token.markup = "autolink"
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token.info = "auto"
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token = state.push("text", "", 0)
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token.content = state.md.normalizeLinkText(url)
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token = state.push("link_close", "a", -1)
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token.markup = "autolink"
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token.info = "auto"
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state.pos += len(url) + 2
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return True
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return False
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