Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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43 lines
987 B
43 lines
987 B
2 years ago
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#! /usr/bin/env ruby
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require './addressbook_pb'
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require 'pry'
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# Iterates though all people in the AddressBook and prints info about them.
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def list_people(address_book)
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address_book.people.each do |person|
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puts "Person ID: #{person.id}"
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puts " Name: #{person.name}"
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if person.email != ""
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puts " Email: #{person.email}"
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end
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person.phones.each do |phone_number|
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type =
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case phone_number.type
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when :MOBILE
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"Mobile phone"
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when :HOME
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"Home phone"
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when :WORK
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"Work phone"
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end
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puts " #{type} #: #{phone_number.number}"
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end
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end
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end
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# Main procedure: Reads the entire address book from a file and prints all
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# the information inside.
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if ARGV.length != 1
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puts "Usage: #{$PROGRAM_NAME} ADDRESS_BOOK_FILE"
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exit(-1)
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end
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# Read the existing address book.
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f = File.open(ARGV[0], "rb")
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address_book = Tutorial::AddressBook.decode(f.read)
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f.close
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list_people(address_book)
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