codekingpro/portable-devtools

1# Process autolinks '<protocol:...>'2import re3 4from .state_inline import StateInline5 6EMAIL_RE = re.compile(7    r"^([a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*)$"8)9AUTOLINK_RE = re.compile(r"^([a-zA-Z][a-zA-Z0-9+.\-]{1,31}):([^<>\x00-\x20]*)$")10 11 12def autolink(state: StateInline, silent: bool) -> bool:13    pos = state.pos14 15    if state.src[pos] != "<":16        return False17 18    start = state.pos19    maximum = state.posMax20 21    while True:22        pos += 123        if pos >= maximum:24            return False25 26        ch = state.src[pos]27 28        if ch == "<":29            return False30        if ch == ">":31            break32 33    url = state.src[start + 1 : pos]34 35    if AUTOLINK_RE.search(url) is not None:36        fullUrl = state.md.normalizeLink(url)37        if not state.md.validateLink(fullUrl):38            return False39 40        if not silent:41            token = state.push("link_open", "a", 1)42            token.attrs = {"href": fullUrl}43            token.markup = "autolink"44            token.info = "auto"45 46            token = state.push("text", "", 0)47            token.content = state.md.normalizeLinkText(url)48 49            token = state.push("link_close", "a", -1)50            token.markup = "autolink"51            token.info = "auto"52 53        state.pos += len(url) + 254        return True55 56    if EMAIL_RE.search(url) is not None:57        fullUrl = state.md.normalizeLink("mailto:" + url)58        if not state.md.validateLink(fullUrl):59            return False60 61        if not silent:62            token = state.push("link_open", "a", 1)63            token.attrs = {"href": fullUrl}64            token.markup = "autolink"65            token.info = "auto"66 67            token = state.push("text", "", 0)68            token.content = state.md.normalizeLinkText(url)69 70            token = state.push("link_close", "a", -1)71            token.markup = "autolink"72            token.info = "auto"73 74        state.pos += len(url) + 275        return True76 77    return False78