import { DOCUMENT_MODE } from "./html.js";
const VALID_DOCTYPE_NAME = "html";
const VALID_SYSTEM_ID = "about:legacy-compat";
const QUIRKS_MODE_SYSTEM_ID = "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd";
const QUIRKS_MODE_PUBLIC_ID_PREFIXES = [
  "+//silmaril//dtd html pro v0r11 19970101//",
  "-//as//dtd html 3.0 aswedit + extensions//",
  "-//advasoft ltd//dtd html 3.0 aswedit + extensions//",
  "-//ietf//dtd html 2.0 level 1//",
  "-//ietf//dtd html 2.0 level 2//",
  "-//ietf//dtd html 2.0 strict level 1//",
  "-//ietf//dtd html 2.0 strict level 2//",
  "-//ietf//dtd html 2.0 strict//",
  "-//ietf//dtd html 2.0//",
  "-//ietf//dtd html 2.1e//",
  "-//ietf//dtd html 3.0//",
  "-//ietf//dtd html 3.2 final//",
  "-//ietf//dtd html 3.2//",
  "-//ietf//dtd html 3//",
  "-//ietf//dtd html level 0//",
  "-//ietf//dtd html level 1//",
  "-//ietf//dtd html level 2//",
  "-//ietf//dtd html level 3//",
  "-//ietf//dtd html strict level 0//",
  "-//ietf//dtd html strict level 1//",
  "-//ietf//dtd html strict level 2//",
  "-//ietf//dtd html strict level 3//",
  "-//ietf//dtd html strict//",
  "-//ietf//dtd html//",
  "-//metrius//dtd metrius presentational//",
  "-//microsoft//dtd internet explorer 2.0 html strict//",
  "-//microsoft//dtd internet explorer 2.0 html//",
  "-//microsoft//dtd internet explorer 2.0 tables//",
  "-//microsoft//dtd internet explorer 3.0 html strict//",
  "-//microsoft//dtd internet explorer 3.0 html//",
  "-//microsoft//dtd internet explorer 3.0 tables//",
  "-//netscape comm. corp.//dtd html//",
  "-//netscape comm. corp.//dtd strict html//",
  "-//o'reilly and associates//dtd html 2.0//",
  "-//o'reilly and associates//dtd html extended 1.0//",
  "-//o'reilly and associates//dtd html extended relaxed 1.0//",
  "-//sq//dtd html 2.0 hotmetal + extensions//",
  "-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//",
  "-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//",
  "-//spyglass//dtd html 2.0 extended//",
  "-//sun microsystems corp.//dtd hotjava html//",
  "-//sun microsystems corp.//dtd hotjava strict html//",
  "-//w3c//dtd html 3 1995-03-24//",
  "-//w3c//dtd html 3.2 draft//",
  "-//w3c//dtd html 3.2 final//",
  "-//w3c//dtd html 3.2//",
  "-//w3c//dtd html 3.2s draft//",
  "-//w3c//dtd html 4.0 frameset//",
  "-//w3c//dtd html 4.0 transitional//",
  "-//w3c//dtd html experimental 19960712//",
  "-//w3c//dtd html experimental 970421//",
  "-//w3c//dtd w3 html//",
  "-//w3o//dtd w3 html 3.0//",
  "-//webtechs//dtd mozilla html 2.0//",
  "-//webtechs//dtd mozilla html//"
];
const QUIRKS_MODE_NO_SYSTEM_ID_PUBLIC_ID_PREFIXES = [
  ...QUIRKS_MODE_PUBLIC_ID_PREFIXES,
  "-//w3c//dtd html 4.01 frameset//",
  "-//w3c//dtd html 4.01 transitional//"
];
const QUIRKS_MODE_PUBLIC_IDS = /* @__PURE__ */ new Set([
  "-//w3o//dtd w3 html strict 3.0//en//",
  "-/w3c/dtd html 4.0 transitional/en",
  "html"
]);
const LIMITED_QUIRKS_PUBLIC_ID_PREFIXES = ["-//w3c//dtd xhtml 1.0 frameset//", "-//w3c//dtd xhtml 1.0 transitional//"];
const LIMITED_QUIRKS_WITH_SYSTEM_ID_PUBLIC_ID_PREFIXES = [
  ...LIMITED_QUIRKS_PUBLIC_ID_PREFIXES,
  "-//w3c//dtd html 4.01 frameset//",
  "-//w3c//dtd html 4.01 transitional//"
];
function hasPrefix(publicId, prefixes) {
  return prefixes.some((prefix) => publicId.startsWith(prefix));
}
function isConforming(token) {
  return token.name === VALID_DOCTYPE_NAME && token.publicId === null && (token.systemId === null || token.systemId === VALID_SYSTEM_ID);
}
function getDocumentMode(token) {
  if (token.name !== VALID_DOCTYPE_NAME) {
    return DOCUMENT_MODE.QUIRKS;
  }
  const { systemId } = token;
  if (systemId && systemId.toLowerCase() === QUIRKS_MODE_SYSTEM_ID) {
    return DOCUMENT_MODE.QUIRKS;
  }
  let { publicId } = token;
  if (publicId !== null) {
    publicId = publicId.toLowerCase();
    if (QUIRKS_MODE_PUBLIC_IDS.has(publicId)) {
      return DOCUMENT_MODE.QUIRKS;
    }
    let prefixes = systemId === null ? QUIRKS_MODE_NO_SYSTEM_ID_PUBLIC_ID_PREFIXES : QUIRKS_MODE_PUBLIC_ID_PREFIXES;
    if (hasPrefix(publicId, prefixes)) {
      return DOCUMENT_MODE.QUIRKS;
    }
    prefixes = systemId === null ? LIMITED_QUIRKS_PUBLIC_ID_PREFIXES : LIMITED_QUIRKS_WITH_SYSTEM_ID_PUBLIC_ID_PREFIXES;
    if (hasPrefix(publicId, prefixes)) {
      return DOCUMENT_MODE.LIMITED_QUIRKS;
    }
  }
  return DOCUMENT_MODE.NO_QUIRKS;
}
export {
  getDocumentMode,
  isConforming
};
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