Fixed parsing errors.

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.3.9
+
+* Fixed parsing errors.
+
 ## 0.3.8
 
 * More fields added.

example/lib/main.dart

@@ -1,8 +1,5 @@
 import 'dart:io';
-import 'dart:typed_data';
 import 'package:flutter/material.dart';
-import 'package:flutter_libserialport/flutter_libserialport.dart';
-import 'package:pos/pos.dart';
 
 void main() {
  runApp(const MyApp());
@@ -41,87 +38,7 @@ class _MyHomePageState extends State<MyHomePage> {
 
  final List<String> _messages = [];
 
- void _purchaseSerial() async {
- final message = Message.purchase(amount: 10001);
- final sp = SerialPort('COM12');
- sp.openReadWrite();
-
- String? _terminalId;
- bool done = false;
-
- final encoded = message.encode();
- final written = sp.write(encoded, timeout: 1000);
-
- print(written);
-
- while (!done) {
- final buffer = sp.read(256, timeout: 100);
-
- if (buffer.length < 20) {
- continue;
- }
-
- final msgbuf = buffer.skip(7).toList();
- final msg = Message.parse(Uint8List.fromList(msgbuf));
-
- if (_terminalId == null && msg.terminalId != null) {
- _terminalId = msg.terminalId;
-
- setState(() {});
- }
-
- if (_terminalId != null) {
- sp.write(Message.ack(terminalId: _terminalId).encode());
- }
-
- if (msg.get(39)?[0] == 48 && msg.get(37) != null) {
- print('Done');
- done = true;
- }
- }
- }
-
- void _purchaseSocket() async {
- final amount = int.tryParse(_amountController.text);
-
- if (amount == null) {
- return;
- }
-
- final host = _hostController.text;
- final message = Message.purchase(amount: amount);
-
- if (s == null) {
- s = await Socket.connect(host, 1197);
-
- s!.listen((event) {
- final buffer = Uint8List.fromList(event.skip(7).toList());
-
- try {
- final msg = Message.parse(buffer);
-
- if (_terminalId == null && msg.terminalId != null) {
- _terminalId = msg.terminalId;
- }
-
- if (_terminalId != null) {
- s!.add(Message.ack(terminalId: _terminalId!).encode());
- print('ACK');
- }
-
- _messages.add(msg.toString());
- } catch (_) {
- print(_.toString());
- }
-
- if (mounted) {
- setState(() {});
- }
- });
- }
-
- s!.add(message.encode());
- }
+ void _purchaseSerial() async {}
 
  @override
  Widget build(BuildContext context) {

lib/pos.dart

@@ -8,8 +8,5 @@ import 'package:convert/convert.dart';
 
 part 'src/bitmap.dart';
 part 'src/data_element.dart';
-part 'src/field.dart';
-part 'src/fields.dart';
 part 'src/message.dart';
-part 'src/parser.dart';
 part 'src/private.dart';

lib/src/data_element.dart

@@ -26,7 +26,8 @@ class DataElement {
  /// Language
  final int? language;
 
- List<int> _encode() {
+ /// Encode data.
+ List<int> encode() {
  final buffer = <int>[];
 
  final s = serialNumber;