YamlDotNet Example

CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
using YamlDotNet.Serialization;
using YamlDotNet.Serialization.NamingConventions;

public class Address
{
    public string Street { get; set; }
    public string City { get; set; }
    public string State { get; set; }
    public string Zip { get; set; }
}
public class Person
{
    public string Name { get; set; }
    public int Age { get; set; }
    public float HeightInInches { get; set; }
    public Dictionary<string, Address> Addresses { get; set; }

}


public class Program
{
    public static void Main()
    {
        var person = new Person
        {
            Name = "Abe Lincoln",
            Age = 25,
            HeightInInches = 6f + 4f / 12f,
            Addresses = new Dictionary<string, Address>{
                { "home", new  Address() {
                        Street = "2720  Sundown Lane",
                        City = "Kentucketsville",
                        State = "Calousiyorkida",
                        Zip = "99978",
                    }},
                { "work", new  Address() {
                        Street = "1600 Pennsylvania Avenue NW",
                        City = "Washington",
                        State = "District of Columbia",
                        Zip = "20500",
                    }},
            }
        };

        var serializer = new SerializerBuilder()
            .WithNamingConvention(CamelCaseNamingConvention.Instance)
            .Build();
        var yaml = serializer.Serialize(person);
        System.Console.WriteLine(yaml);
        // Output: 
        // name: Abe Lincoln
        // age: 25
        // heightInInches: 6.3333334922790527
        // addresses:
        //   home:
        //     street: 2720  Sundown Lane
        //     city: Kentucketsville
        //     state: Calousiyorkida
        //     zip: 99978
        //   work:
        //     street: 1600 Pennsylvania Avenue NW
        //     city: Washington
        //     state: District of Columbia
        //     zip: 20500

        var yml = @"
name: George Washington
age: 89
height_in_inches: 5.75
addresses:
  home:
    street: 400 Mockingbird Lane
    city: Louaryland
    state: Hawidaho
    zip: 99970
";

        var deserializer = new DeserializerBuilder()
            .WithNamingConvention(UnderscoredNamingConvention.Instance)
            .Build();

        //yaml contains a string containing your YAML
        var p = deserializer.Deserialize<Person>(yml);
        var h = p.Addresses["home"];
        System.Console.WriteLine($"{p.Name} is {p.Age} years old and lives at {h.Street} in {h.City}, {h.State}.");
        // Output:
        // George Washington is 89 years old and lives at 400 Mockingbird Lane in Louaryland, Hawidaho.

    }
}