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Code Quality Rank: L4
Programming language: Swift
License: MIT License
Tags: Data Management     XML    
Latest version: v3.0.2

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README

Carthage compatible

SwiftyXML

Platform

SwiftyXML use most swifty way to deal with XML data.

Features

  • [x] Infinity subscript
  • [x] dynamicMemberLookup Support (use $ started string to subscript attribute)
  • [x] Optional | Non-optional value access
  • [x] Directly access Enum type value (enums extends from RawRepresentable)
  • [x] Directly for loop in XML children nodes
  • [x] Accurate error throwing
  • [x] XML construct, formatting
  • [x] Single source file

Sample XML:

<catalog>
    <product description="Cardigan Sweater" product_image="cardigan.jpg" >
        <catalog_item gender="Men's" >
            <item_number>QWZ5671</item_number>
            <price>39.95</price>
            <size description="Medium" >
                <color_swatch image="red_cardigan.jpg" >Red</color_swatch>
                <color_swatch image="burgundy_cardigan.jpg" >Burgundy</color_swatch>
            </size>
            <size description="Large" >
                <color_swatch image="red_cardigan.jpg" >Red</color_swatch>
                <color_swatch image="burgundy_cardigan.jpg" >Burgundy</color_swatch>
            </size>
        </catalog_item>
        <catalog_item gender="Women's" >
            <item_number>RRX9856</item_number>
            <price>42.50</price>
            <size description="Small" >
                <color_swatch image="red_cardigan.jpg" >Red</color_swatch>
                <color_swatch image="navy_cardigan.jpg" >Navy</color_swatch>
                <color_swatch image="burgundy_cardigan.jpg" >Burgundy</color_swatch>
            </size>
        </catalog_item>
    </product>
</catalog>

With SwiftyXML all you have to do is:

let xml = XML(string: xmlContent)
let color0 = xml.product.catalog_item.size.color_swatch.1.string //"Burgundy"
// notice that, we use "$" prefix for subscript attribute
let description0 = xml.product.catalog_item.size.1.$description.string //"Large"

This is same as below, SwiftyXML will auto pick the first element as default:

let xml = XML(data: xmlFileData)
let color = xml.product.0.catalog_item.0.size.0.color_swatch.1.string //return "Burgundy"

What about if you input some wrong keys:

let xml = XML(data: xmlFileData)
// print the error
if let color1 = xml.product.catalog_item.wrong_size.wrong_color.1.xml {
    // do stuff ~
    print(color1)
} else {
    print(xml.product.catalog_item.wrong_size.wrong_color.1.error) //.product.0.catalog_item.0: no such children named: "wrong_size"
}

Requirements

  • iOS 8.0+ | macOS 10.10+ | tvOS 9.0+ | watchOS 2.0+
  • Xcode 8

Installation

CocoaPods

You can use CocoaPods to install SwiftyXML by adding it to your Podfile:

platform :ios, '8.0'
use_frameworks!

target 'MyApp' do
    pod 'SwiftyXML', '~> 3.0.0'
end

Carthage

Create a Cartfile that lists the framework and run carthage update. Follow the instructions to add $(SRCROOT)/Carthage/Build/iOS/SwiftyXML.framework to an iOS project.

github "chenyunguiMilook/SwiftyXML" ~> 3.0.0

Manually

  1. Download and drop XML.swift into your project.
  2. Congratulations!

Swift Package Manager

You can use The Swift Package Manager to install SwiftyXML by adding the proper description to your Package.swift file:

.package(url: "https://github.com/chenyunguiMilook/SwiftyXML.git", from: "3.0.2")

Usage

Initialization

import SwiftyXML
let xml = XML(data: xmlFileData)

Access XML and print out the error

if let color1 = xml.product.catalog_item.wrong_size.wrong_color.1.xml {
    // do stuff ~
    print(color1)
} else {
    print(xml.product.catalog_item.wrong_size.wrong_color.1.error)
}

Catch the error

// catch the error
do {
    let color = try xml.product.catalog_item.wrong_size.wrong_color.1.getXML()
    print(color)
} catch {
    print(error)
}

Access XML List

// handle xml list
for catalog in xml.product.catalog_item {
    for size in catalog.size {
        print(size.$description.stringValue)
    }
}

Read Enums

// read enum value, Notice: enum need implements RawRepresentable
public enum Color : String {
    case Red, Navy, Burgundy
}

if let c: Color = xml.product.catalog_item.size.color_swatch.enum() {
    print(c)
}

Construct XML

let store = XML(name: "store")
    .addAttribute(name: "description", value: "Ball Store")
    .addChildren([
        // attributes can be added in the initializer
        XML(name: "product", attributes: [
            "name": "football",
            "weight": 0.453
        ])
    ])

// attributes can be added to an existing object
let product2 = XML(name: "product")
product2.addAttribute(name: "name", value: "basketball")
product2.addAttribute(name: "weight", value: 0.654)

// children can be added to an existing object
store.addChild(product2)

print(store.toXMLString())
// store xml output
<store description="Ball Store" >
    <product name="football" weight="0.453" />
    <product name="basketball" weight="0.654" />
</store>