'use strict'; const Packet = require('../packets/packet'); class TextRow { constructor(columns) { this.columns = columns || []; } static fromPacket(packet) { // packet.reset(); // set offset to starting point? const columns = []; while (packet.haveMoreData()) { columns.push(packet.readLengthCodedString()); } return new TextRow(columns); } static toPacket(columns, encoding) { const sequenceId = 0; // TODO remove, this is calculated now in connecton let length = 0; columns.forEach(val => { if (val === null || typeof val === 'undefined') { ++length; return; } length += Packet.lengthCodedStringLength(val.toString(10), encoding); }); const buffer = Buffer.allocUnsafe(length + 4); const packet = new Packet(sequenceId, buffer, 0, length + 4); packet.offset = 4; columns.forEach(val => { if (val === null) { packet.writeNull(); return; } if (typeof val === 'undefined') { packet.writeInt8(0); return; } packet.writeLengthCodedString(val.toString(10), encoding); }); return packet; } } module.exports = TextRow;