// Metro module 1312 (f1313).
import * as _classCallCheck from "./_classCallCheck";
import * as __createClass from "./_createClass";
import { varint64read, varint32read } from "./Module1313";
import { WireType } from "./is";
import { PbLong, PbULong } from "./SharedPbLong";
let c1080_5;
let BinaryReader;
let env1080 = {};
const c1080_4 = {
  readUnknownField: true,
  readerFactory: (a0) => new c1080_5(a0)
};
export function binaryReadOptions(a0) {
  return a0 ? {
    ...c1080_4,
    ...a0
  } : c1080_4;
}
BinaryReader = function BinaryReader(a0, a1) {
  let textDecoder = a1;
  _classCallCheck(this, BinaryReader);
  this.varint64 = varint64read;
  this.uint32 = varint32read;
  this.buf = a0;
  this.len = a0.length;
  this.pos = 0;
  this.view = new DataView(a0.buffer, a0.byteOffset, a0.byteLength);
  if (a1 == null) {
    textDecoder = new TextDecoder("utf-8", {
      fatal: true,
      ignoreBOM: true
    });
  }
  this.textDecoder = textDecoder;
};
c1080_5 = __createClass(BinaryReader, [{
  key: "tag",
  value: function tag() {
    const r9 = this.uint32();
    const r2 = r9 >>> 3;
    const r11 = 7 & r9;
    if (!(r2 <= 0) && !(r11 < 0) && !(5 < r11)) {
      return [r2, r11];
    }
    throw new Error("illegal tag: field no " + r2 + " wire type " + r11);
  }
}, {
  key: "skip",
  value: function skip(a0) {
    let r72, buf2, pos;
    L14: {
      pos = this.pos;
      if (WireType.Varint === a0) {
        const buf = this.buf;
        const r66 = +this.pos;
        this.pos = r66 + 1;
        if (128 & buf[r66]) {
          do {
            buf2 = this.buf;
            r72 = +this.pos;
            this.pos = r72 + 1;
          } while (128 & buf2[r72]);
        }
      } else {
        if (WireType.Bit64 === a0) {
          this.pos = this.pos + 4;
        } else if (WireType.Bit32 !== a0) {
          if (WireType.LengthDelimited === a0) {
            this.pos = this.pos + this.uint32();
            break L14;
          }
          if (WireType.StartGroup !== a0) {
            throw new Error("cant skip wire type " + a0);
          }
          let r40 = this.tag()[1];
          if (r40 === WireType.EndGroup) {
            break L14;
          }
          while (true) {
            this.skip(r40);
            r40 = this.tag()[1];
            if (r40 === WireType.EndGroup) {
              break L14;
            }
          }
        }
        this.pos = this.pos + 4;
      }
    }
    this.assertBounds();
    return this.buf.subarray(pos, this.pos);
  }
}, {
  key: "assertBounds",
  value: function assertBounds() {
    if (this.pos > this.len) {
      throw new RangeError("premature EOF");
    }
  }
}, {
  key: "int32",
  value: function int32() {
    return this.uint32() | 0;
  }
}, {
  key: "sint32",
  value: function sint32() {
    const r4 = this.uint32();
    return r4 >>> 1 ^ -(1 & r4);
  }
}, {
  key: "int64",
  value: function int64() {
    return new PbLong(...[...this.varint64()]);
  }
}, {
  key: "uint64",
  value: function uint64() {
    return new PbULong(...[...this.varint64()]);
  }
}, {
  key: "sint64",
  value: function sint64() {
    const [r15, r16] = this.varint64();
    const r2 = -(1 & r15);
    return new PbLong((r15 >>> 1 | (1 & r16) << 31) ^ r2, r16 >>> 1 ^ r2);
  }
}, {
  key: "bool",
  value: function bool() {
    const [r9, r10] = this.varint64();
    return r9 !== 0 || r10 !== 0;
  }
}, {
  key: "fixed32",
  value: function fixed32() {
    const view = this.view;
    const pos = this.pos + 4;
    this.pos = pos;
    return view.getUint32(pos - 4, true);
  }
}, {
  key: "sfixed32",
  value: function sfixed32() {
    const view = this.view;
    const pos = this.pos + 4;
    this.pos = pos;
    return view.getInt32(pos - 4, true);
  }
}, {
  key: "fixed64",
  value: function fixed64() {
    return new PbULong(this.sfixed32(), this.sfixed32());
  }
}, {
  key: "sfixed64",
  value: function sfixed64() {
    return new PbLong(this.sfixed32(), this.sfixed32());
  }
}, {
  key: "float",
  value: function float() {
    const view = this.view;
    const pos = this.pos + 4;
    this.pos = pos;
    return view.getFloat32(pos - 4, true);
  }
}, {
  key: "double",
  value: function double() {
    const view = this.view;
    const pos = this.pos + 8;
    this.pos = pos;
    return view.getFloat64(pos - 8, true);
  }
}, {
  key: "bytes",
  value: function bytes() {
    const r4 = this.uint32();
    const pos = this.pos;
    this.pos = this.pos + r4;
    this.assertBounds();
    return this.buf.subarray(pos, pos + r4);
  }
}, {
  key: "string",
  value: function string() {
    return this.textDecoder.decode(this.bytes());
  }
}]);
export { c1080_5 as BinaryReader };