MessagePack serializer the alternative to JSON serializer

artydev - Jan 19 - - Dev Community

MessagePack is an efficient binary serialization format. It lets you exchange data among multiple languages like JSON. But it's faster and smaller. Small integers are encoded into a single byte, and typical short strings require only one extra byte in addition to the strings themselves.

msgpack.js
Here is a demo in JS :DEMOJS

var sourceData = {
    aaa:123,
    number2: -0.129,
    text: "Abc with Üñıçôðé and ユニコード",
    flag: true,
    list: [ 1, 2, 3 ],
    obj: { a: 1, b: "2", c: false, d: { a: 0, b: -1 } },
    time: Date.now()
};

const bytes = msgpack.serialize(sourceData);

const data = msgpack.deserialize(bytes)

Object.keys(data).forEach(k => {
  document.write(`<div class="key">${k}</div> : ${data[k]}<br />`)
})

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Here is a msgpack converter for JS : msgpack-converter

MessagePack-Csharp
Here is a demo in c# : DEMOCS

using System;

using MessagePack;

[MessagePackObject]
public class MyClass
{
    // Key attributes take a serialization index (or string name)
    // The values must be unique and versioning has to be considered as well.
    // Keys are described in later sections in more detail.
    [Key("age")]
    public int Age { get; set; }

    [Key("prenom")]
    public string FirstName { get; set; }

    [Key("nom")]
    public string LastName { get; set; }

    // All fields or properties that should not be serialized must be annotated with [IgnoreMember].
    [IgnoreMember]
    public string FullName { get { return FirstName + LastName; } }
}

public class Program
{
    public static void Main()
    {
       var mc = new MyClass
        {
            Age = 99,
            FirstName = "hoge",
            LastName = "huga",
        };

        // Call Serialize/Deserialize, that's all.
        byte[] bytes = MessagePackSerializer.Serialize(mc);
        MyClass mc2 = MessagePackSerializer.Deserialize<MyClass>(bytes);

        // You can dump MessagePack binary blobs to human readable json.
        // Using indexed keys (as opposed to string keys) will serialize to MessagePack arrays,
        // hence property names are not available.
        // [99,"hoge","huga"]
        var json = MessagePackSerializer.ConvertToJson(bytes);
        Console.WriteLine(json);
    }
}

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