66 lines
1.9 KiB
C++
66 lines
1.9 KiB
C++
#include <iostream>
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#include <fstream>
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#include <string>
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#include "addressbook.pb.h"
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using namespace std;
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// Iterates though all people in the AddressBook and prints info about them.
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void ListPeople(const tutorial::AddressBook& address_book) {
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for (int i = 0; i < address_book.people_size(); i++) {
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const tutorial::Person& person = address_book.people(i);
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cout << "Person ID: " << person.id() << endl;
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cout << " Name: " << person.name() << endl;
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if (person.has_email()) {
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cout << " E-mail address: " << person.email() << endl;
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}
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for (int j = 0; j < person.phones_size(); j++) {
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const tutorial::Person::PhoneNumber& phone_number = person.phones(j);
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switch (phone_number.type()) {
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case tutorial::Person::PHONE_TYPE_MOBILE:
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cout << " Mobile phone #: ";
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break;
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case tutorial::Person::PHONE_TYPE_HOME:
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cout << " Home phone #: ";
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break;
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case tutorial::Person::PHONE_TYPE_WORK:
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cout << " Work phone #: ";
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break;
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}
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cout << phone_number.number() << endl;
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}
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}
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}
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// Main function: Reads the entire address book from a file and prints all
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// the information inside.
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int main(int argc, char* argv[]) {
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// Verify that the version of the library that we linked against is
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// compatible with the version of the headers we compiled against.
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GOOGLE_PROTOBUF_VERIFY_VERSION;
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if (argc != 2) {
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cerr << "Usage: " << argv[0] << " ADDRESS_BOOK_FILE" << endl;
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return -1;
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}
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tutorial::AddressBook address_book;
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{
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// Read the existing address book.
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fstream input(argv[1], ios::in | ios::binary);
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if (!address_book.ParseFromIstream(&input)) {
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cerr << "Failed to parse address book." << endl;
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return -1;
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}
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}
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ListPeople(address_book);
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// Optional: Delete all global objects allocated by libprotobuf.
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google::protobuf::ShutdownProtobufLibrary();
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return 0;
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} |