Swift的MsgPack序列化和反序列化器

Swift的MsgPack序列化和反序列化器

MsgPack for Swift... Its' like JSON but faster Made with ♥ in pure Swift, no dependencies, lightweight & fully portable

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Created by Daniele Margutti (@danielemargutti)

MessagePack is an efficient binary serialization format, which lets you exchange data among multiple languages like JSON, except that it's faster and smaller. Small integers are encoded into a single byte while typical short strings require only one extra byte in addition to the strings themselves. You can read more about specs directly from the main web site.

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Index

Current ReleaseHow to useSupported TypesInstallation (CocoaPods, SwiftPM and Carthage)TestsRequirementsCredits

Current Release

Swift 4.x: Latest is 1.0.0 Download here.Swift 3.x: Last is 0.9.1 Download here.

A complete list of changes for each release is available in the CHANGELOG file.

How to use: one-shot pack & unpack

Both serialization and deseralization happens inside a Data object.

In order to pack one or more objects you need to create an empty Data instance and call pack by passing the object(s) you want to serialize. It's pretty easy, take a look here:

var data = Data()do { let obj1 = "Hello World" let obj2 = 45.5 let obj3: [AnyHashable:Any?] = [ "key_1" : "value test","key_2" : 4,"key_3" : true, otherHashableKey: "value1"] // Now you can pack your instances by passing them to pack function try data.pack(obj1,obj2,obj3)} catch { print("Something went wrong while packing data: \(error)") }

Deserializing data is pretty simple too, just call unpack function to an instance of Data with msgpack data:

let data: Data = // msgpack data...do { let decodedObj: Any? = try data.unpack()} catch { print("Something went wrong while unpacking data: \(error)") }

Supported Types

SwiftMsgPack supports the following Swift types:

StringDataBoolnilNumeric values: Int & UInt (UInt8,Int8,UInt16,Int16,UInt32,Int32,UInt64,Int64), Float and DoubleDictionaries ([AnyHashable:Any?])Array ([Any?])

The following limitations are specified by MsgPack specs format:

a value of an Integer object is limited from -(2^63) upto (2^64)-1maximum length of a Binary object is (2^32)-1maximum byte size of a String object is (2^32)-1String objects may contain invalid byte sequence and the behavior of a deserializer depends on the actual implementation when it received invalid byte sequence Deserializers should provide functionality to get the original byte array so that applications can decide how to handle the object maximum number of elements of an Array object is (2^32)-1maximum number of key-value associations of a Map object is (2^32)-1

Installation

You can install Swiftline using CocoaPods, carthage and Swift package manager

CocoaPods

use_frameworks!pod 'SwiftMsgPack'

Carthage

github 'malcommac/SwiftMsgPack'

Swift Package Manager

Add swiftline as dependency in your Package.swift

import PackageDescription let package = Package(name: "YourPackage", dependencies: [ .Package(url: "https://github.com/malcommac/SwiftMsgPack.git", majorVersion: 0), ] )

Tests

SwiftMsgPack has an extensive coverage using XCTest. You can found a complete list of tests inside Tests/SwiftMsgPackTests folder. Tests can also be runned with XCode using the SwiftMsgPack project.

Requirements

Current version is compatible with:

Swift 4.x+ (Swift 3.x up to 0.9.1)iOS 9.0 or latertvOS 9.0 or latermacOS 10.10 or laterLinux compatible environments

Credits & License

SwiftMsgPack is owned and maintained by Daniele Margutti.

As open source creation any help is welcome!

The code of this library is licensed under MIT License; you can use it in commercial products without any limitation.

The only requirement is to add a line in your Credits/About section with the text below:

This software uses open source SwiftMsgPack's library to manage MsgPack data.Web: http://github.com/malcommac/SwiftMsgPack.Created by Daniele Margutti and licensed under MIT License.

msgpack.org[SwiftMsgPack]

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