tedious/lib/token/tabname-token-parser.js

A TDS driver, for connecting to MS SQLServer databases.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
var _token = require("./token");
var _helpers = require("./helpers");
// s2.2.7.20

function tabNameParser(buf, offset, _options) {
  // length
  let tokenLength;
  ({
    offset,
    value: tokenLength
  } = (0, _helpers.readUInt16LE)(buf, offset));
  if (buf.length < offset + tokenLength) {
    throw new _helpers.NotEnoughDataError(offset + tokenLength);
  }
  const end = offset + tokenLength;
  const tableNames = [];

  // Table names are sent as their individual parts. (While TDS versions
  // before 7.1 Revision 1 sent each name as a single string, all servers
  // that speak TDS 7.1 or newer use the multi-part format.)
  while (offset < end) {
    let numberOfTableNameParts;
    ({
      offset,
      value: numberOfTableNameParts
    } = (0, _helpers.readUInt8)(buf, offset));
    const tableName = [];
    for (let i = 0; i < numberOfTableNameParts; i++) {
      let tableNamePart;
      ({
        offset,
        value: tableNamePart
      } = (0, _helpers.readUsVarChar)(buf, offset));
      tableName.push(tableNamePart);
    }
    tableNames.push(tableName);
  }
  if (offset !== end) {
    throw new Error('Malformed TABNAME token');
  }
  return new _helpers.Result(new _token.TabNameToken(tableNames), offset);
}
var _default = exports.default = tabNameParser;
module.exports = tabNameParser;
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