@kobold/core/dist/parser/sqPackIndex.js

Kobold core

"use strict";

var _Object$defineProperty = require("@babel/runtime-corejs3/core-js/object/define-property");

_Object$defineProperty(exports, "__esModule", {
  value: true
});

exports.sqPackIndex2Parser = exports.sqPackIndexParser = void 0;

var _binaryParser = require("binary-parser");

const sqPackHeaderParser = new _binaryParser.Parser().endianess('little').saveOffset('__start').array('magic', {
  type: 'uint8',
  length: 8
}).uint8('platformId').seek(3) // unknown
.uint32('size').uint32('version').uint32('type') // Skip the remainder of the size
.saveOffset('__current').seek(function () {
  return this.size - (this.__current - this.__start);
});
const lsdParser = new _binaryParser.Parser().endianess('little').uint32('location').uint32('size').buffer('digest', {
  length: 64
});
const sqPackIndexHeaderParser = new _binaryParser.Parser().endianess('little').saveOffset('__start').uint32('size').uint32('version').nest('indexData', {
  type: lsdParser
}).uint32('dataFileCount').nest('synonymData', {
  type: lsdParser
}).nest('emptyBlockData', {
  type: lsdParser
}).nest('dirIndexData', {
  type: lsdParser
}).uint32('indexType').seek(656) // reserved
.buffer('selfHash', {
  length: 64
}).saveOffset('__current').seek(function () {
  return this.size - (this.__current - this.__start);
});
const hashTablePackedOffsetParser = new _binaryParser.Parser().endianess('little').uint32('data');
const indexHashTableEntryParser = new _binaryParser.Parser().endianess('little').uint64('hash').nest({
  type: hashTablePackedOffsetParser
}).seek(4); // padding

const index2HashTableEntryParser = new _binaryParser.Parser().endianess('little').uint32('hash').nest({
  type: hashTablePackedOffsetParser
});
const sqPackIndexParser = new _binaryParser.Parser().nest('sqPackHeader', {
  type: sqPackHeaderParser
}).nest('sqPackIndexHeader', {
  type: sqPackIndexHeaderParser
}).saveOffset('__current').seek(function () {
  return this.sqPackIndexHeader.indexData.location - this.__current;
}).array('indexes', {
  type: indexHashTableEntryParser,
  // TODO: would be nice to type this properly
  lengthInBytes: 'sqPackIndexHeader.indexData.size'
});
exports.sqPackIndexParser = sqPackIndexParser;
const sqPackIndex2Parser = new _binaryParser.Parser().nest('sqPackHeader', {
  type: sqPackHeaderParser
}).nest('sqPackIndexHeader', {
  type: sqPackIndexHeaderParser
}).saveOffset('__current').seek(function () {
  return this.sqPackIndexHeader.indexData.location - this.__current;
}).array('indexes', {
  type: index2HashTableEntryParser,
  lengthInBytes: 'sqPackIndexHeader.indexData.size'
});
exports.sqPackIndex2Parser = sqPackIndex2Parser;