import { parseLine as f, createLineData as s } from "./parser.js";
function c(a, u = " ") {
  let n = s(null, u);
  const t = {
    ended: !1,
    clone() {
      return c(a.clone(), u);
    },
    async next() {
      if (n.line = await a.next(), n.line === null)
        return !0;
      f(n);
    },
    current() {
      return t;
    },
    line() {
      var e;
      return (e = n.line) == null ? void 0 : e.slice(n.offsetHead);
    },
    head() {
      var e;
      return (e = n.line) == null ? void 0 : e.slice(n.offsetHead, n.offsetTail);
    },
    tail() {
      var e;
      return (e = n.line) == null ? void 0 : e.slice(n.offsetTail);
    },
    level() {
      return n.level;
    },
    async content(e = -1, r = []) {
      var l;
      return e === -1 && (e = n.level + 1), await t.next() || n.level < e ? r : (r.push(((l = n.line) == null ? void 0 : l.slice(e)) || ""), t.content(e, r));
    },
    match(e) {
      return e === t.head();
    },
    async each(e) {
      const r = t.line() !== void 0 ? t.level() : -1;
      for (; !(await t.next() || t.level() <= r || await e()); )
        ;
    },
    async buildObject(e = [], r) {
      r || (r = () => t.tail().trim());
      const i = {};
      return await t.each(async () => {
        if (!!t.head()) {
          if (!e.length || e.includes(t.head())) {
            i[t.head()] = await r();
            return;
          }
          if (e && !e.includes(t.head()) && e.includes("#text")) {
            i["#text"] = [t.line(), ...await t.content(t.level())];
            return;
          }
        }
      }), i;
    },
    async seek(e, r = -1) {
      return r === -1 && (r = n.level), await t.next() ? !1 : t.head() === e ? t : n.level < r ? !1 : t.seek(e, r);
    }
  };
  return t;
}
export {
  c as useDocument
};