48 lines
1.3 KiB
Dart
48 lines
1.3 KiB
Dart
import 'dart:io';
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import 'dart_tutorial/addressbook.pb.dart';
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import 'dart_tutorial/addressbook.pbenum.dart';
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// Iterates though all people in the AddressBook and prints info about them.
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void printAddressBook(AddressBook addressBook) {
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for (Person person in addressBook.people) {
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print('Person ID: ${person.id}');
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print(' Name: ${person.name}');
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if (person.hasEmail()) {
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print(' E-mail address:${person.email}');
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}
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for (Person_PhoneNumber phoneNumber in person.phones) {
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switch (phoneNumber.type) {
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case Person_PhoneType.MOBILE:
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print(' Mobile phone #: ');
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break;
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case Person_PhoneType.HOME:
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print(' Home phone #: ');
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break;
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case Person_PhoneType.WORK:
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print(' Work phone #: ');
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break;
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default:
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print(' Unknown phone #: ');
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break;
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}
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print(phoneNumber.number);
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}
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}
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}
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// Reads the entire address book from a file and prints all
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// the information inside.
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main(List<String> arguments) {
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if (arguments.length != 1) {
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print('Usage: list_person ADDRESS_BOOK_FILE');
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exit(-1);
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}
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// Read the existing address book.
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File file = new File(arguments.first);
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AddressBook addressBook = new AddressBook.fromBuffer(file.readAsBytesSync());
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printAddressBook(addressBook);
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}
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