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Diffstat (limited to 'third_party/protobuf/3.6.0/examples/list_people.cc')
-rw-r--r-- | third_party/protobuf/3.6.0/examples/list_people.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/third_party/protobuf/3.6.0/examples/list_people.cc b/third_party/protobuf/3.6.0/examples/list_people.cc new file mode 100644 index 0000000000..b309c59680 --- /dev/null +++ b/third_party/protobuf/3.6.0/examples/list_people.cc @@ -0,0 +1,79 @@ +// See README.txt for information and build instructions. + +#include <fstream> +#include <google/protobuf/util/time_util.h> +#include <iostream> +#include <string> + +#include "addressbook.pb.h" + +using namespace std; + +using google::protobuf::util::TimeUtil; + +// Iterates though all people in the AddressBook and prints info about them. +void ListPeople(const tutorial::AddressBook& address_book) { + for (int i = 0; i < address_book.people_size(); i++) { + const tutorial::Person& person = address_book.people(i); + + cout << "Person ID: " << person.id() << endl; + cout << " Name: " << person.name() << endl; + if (person.email() != "") { + cout << " E-mail address: " << person.email() << endl; + } + + for (int j = 0; j < person.phones_size(); j++) { + const tutorial::Person::PhoneNumber& phone_number = person.phones(j); + + switch (phone_number.type()) { + case tutorial::Person::MOBILE: + cout << " Mobile phone #: "; + break; + case tutorial::Person::HOME: + cout << " Home phone #: "; + break; + case tutorial::Person::WORK: + cout << " Work phone #: "; + break; + default: + cout << " Unknown phone #: "; + break; + } + cout << phone_number.number() << endl; + } + if (person.has_last_updated()) { + cout << " Updated: " << TimeUtil::ToString(person.last_updated()) << endl; + } + } +} + +// Main function: Reads the entire address book from a file and prints all +// the information inside. +int main(int argc, char* argv[]) { + // Verify that the version of the library that we linked against is + // compatible with the version of the headers we compiled against. + GOOGLE_PROTOBUF_VERIFY_VERSION; + + if (argc != 2) { + cerr << "Usage: " << argv[0] << " ADDRESS_BOOK_FILE" << endl; + return -1; + } + + tutorial::AddressBook address_book; + + { + // Read the existing address book. + fstream input(argv[1], ios::in | ios::binary); + if (!address_book.ParseFromIstream(&input)) { + cerr << "Failed to parse address book." << endl; + return -1; + } + } + + ListPeople(address_book); + + // Optional: Delete all global objects allocated by libprotobuf. + google::protobuf::ShutdownProtobufLibrary(); + + return 0; +} |