let style = Style {
	$0.font = SystemFonts.AmericanTypewriter.font(size: 25) // just pass a string, one of the SystemFonts or an UIFont
	$0.color = "#0433FF" // you can use UIColor or HEX string!
	$0.underline = (.patternDot, UIColor.red)
	$0.alignment = .center
}
let attributedText = "Hello World!".set(style: style) // et voilà!

// Create your own styles

let normal = Style {
	$0.font = SystemFonts.Helvetica_Light.font(size: 15)
}
		
let bold = Style {
	$0.font = SystemFonts.Helvetica_Bold.font(size: 20)
	$0.color = UIColor.red
	$0.backColor = UIColor.yellow
}
		
let italic = normal.byAdding {
	$0.traitVariants = .italic
}

let myGroup = StyleXML(base: normal, ["bold": bold, "italic": italic])
let str = "Hello <bold>Daniele!</bold>. You're ready to <italic>play with us!</italic>"
self.label?.attributedText = str.set(style: myGroup)

let style = Style {
	$0.font = SystemFonts.Helvetica_Bold.font(size: 20)
	$0.color = UIColor.green
	// ... set any other attribute
}

let attrString = "Some text".set(style: style) // attributed string

let bodyStyle: Style = ...
let h1Style: Style = ...
let h2Style: Style = ...
let group = StyleXML(base: bodyStyle, ["h1": h1Style, "h2": h2Style])

let attrString = "Some <h1>text</h1>, <h2>welcome here</h2>".set(style: group)

let emailPattern = "([A-Za-z0-9_\\-\\.\\+])+\\@([A-Za-z0-9_\\-\\.])+\\.([A-Za-z]+)"
let style = StyleRegEx(pattern: emailPattern) {
	$0.color = UIColor.red
	$0.backColor = UIColor.yellow
}
		
let attrString = "My email is [email protected] and my website is http://www.danielemargutti.com".(style: style!)

let body: Style = Style { ... }
let big: Style = Style { ... }
let attributed: AttributedString = "hello ".set(style: body)

// the following code produce an attributed string by
// concatenating an attributed string and two plain string
// (one styled and another plain).
let attStr = attributed + "\(username)!".set(style:big) + ". You are welcome!"

// This produce an attributed string concatenating a plain
// string with an attributed string created via + operator
// between a plain string and a style
let attStr = "Hello" + ("\(username)" + big)

let bold = Style { ... }
let italic = Style { ... }
        
let attributedString = AttributedString.composing {
  "hello".set(style: bold)
  "world".set(style: italic)
}

// apply a globally registered style named MyStyle to the entire string
let a1: AttributedString = "Hello world".set(style: "MyStyle")

// apply a style group to the entire string
// commonStyle will be applied to the entire string as base style
// styleH1 and styleH2 will be applied only for text inside that tags.
let styleH1: Style = ...
let styleH2: Style = ...
let StyleXML = StyleXML(base: commonStyle, ["h1" : styleH1, "h2" : styleH2])
let a2: AttributedString = "Hello <h1>world</h1>, <h2>welcome here</h2>".set(style: StyleXML)

// Apply a style defined via closure to a portion of the string
let a3 = "Hello Guys!".set(Style({ $0.font = SystemFonts.Helvetica_Bold.font(size: 20) }), range: NSMakeRange(0,4))

let a = "hello".set(style: styleA)
let b = "world!".set(style: styleB)
let ab = (a + b).add(styles: [coupondStyleA,coupondStyleB]).remove([.foregroundColor,.font])

let firaLight: UIFont = "FiraCode-Light".font(ofSize: 14)
...
...
let style = Style {
	$0.font = "Jura-Bold"
	$0.size = 24
	...
}

let font1 = SystemFonts.Helvetica_Light.font(size: 15)
let font2 = SystemFonts.Avenir_Black.font(size: 24)

let color: UIColor = "#0433FF".color
...
...
let style = Style {
	$0.color = "#0433FF"
	...
}

let initialStyle = Style {
	$0.font = SystemFonts.Helvetica_Light.font(size: 15)
	$0.alignment = right
}

// The following style contains all the attributes of initialStyle
// but also override the alignment and add a different foreground color.
let subStyle = bold.byAdding {
	$0.alignment = center
	$0.color = UIColor.red
}

let style = Style {
	$0.font = UIFont.boldSystemFont(ofSize: 16.0)
	$0.dynamicText = DynamicText {
		$0.style = .body
		$0.maximumSize = 35.0
		$0.traitCollection = UITraitCollection(userInterfaceIdiom: .phone)
    }
}

// The base style is applied to the entire string
let baseStyle = Style {
	$0.font = UIFont.boldSystemFont(ofSize: self.baseFontSize * 1.15)
	$0.lineSpacing = 1
	$0.kerning = Kerning.adobe(-20)
}

let boldStyle = Style {
	$0.font = UIFont.boldSystemFont(ofSize: self.baseFontSize)
    $0.dynamicText = DynamicText {
    $0.style = .body
    $0.maximumSize = 35.0
    $0.traitCollection = UITraitCollection(userInterfaceIdiom: .phone)
    }
}
		
let italicStyle = Style {
	$0.font = UIFont.italicSystemFont(ofSize: self.baseFontSize)
}

// A group container includes all the style defined.
let groupStyle = StyleXML.init(base: baseStyle, ["b" : boldStyle, "i": italicStyle])

// We can render our string
let bodyHTML = "Hello <b>world!</b>, my name is <i>Daniele</i>"
self.textView?.attributedText = bodyHTML.set(style: group)

// First define our own resolver for attributes
open class MyXMLDynamicAttributesResolver: XMLDynamicAttributesResolver {
    
    public func applyDynamicAttributes(to attributedString: inout AttributedString, xmlStyle: XMLDynamicStyle) {
        let finalStyleToApply = Style()
        xmlStyle.enumerateAttributes { key, value  in
            switch key {
                case "color": // color support
                    finalStyleToApply.color = Color(hexString: value)
                
                default:
                    break
            }
        }
        
        attributedString.add(style: finalStyleToApply)
    }
}

// Then set it to our's StyleXML instance before rendering text.
let groupStyle = StyleXML.init(base: baseStyle, ["b" : boldStyle, "i": italicStyle])
groupStyle.xmlAttributesResolver = MyXMLDynamicAttributesResolver()

open class MyXMLDynamicAttributesResolver: XMLDynamicAttributesResolver {

  public override func styleForUnknownXMLTag(_ tag: String, to attributedString: inout AttributedString, attributes: [String : String]?) {
        super.styleForUnknownXMLTag(tag, to: &attributedString, attributes: attributes)
        
        if tag == "rainbow" {
            let colors = UIColor.randomColors(attributedString.length)
            for i in 0..<attributedString.length {
                attributedString.add(style: Style({
                    $0.color = colors[i]
                }), range: NSMakeRange(i, 1))
            }
        }
        
    }
  }
}

let sourceHTML = "My <b color=\"#db13f2\">webpage</b> is really <b>cool</b>. Take a look <a href=\"http://danielemargutti.com\">here</a>"
        
let styleBase = Style({
    $0.font = UIFont.boldSystemFont(ofSize: 15)
})
        
let styleBold = Style({
    $0.font = UIFont.boldSystemFont(ofSize: 20)
    $0.color = UIColor.blue
})
        
let groupStyle = StyleXML.init(base: styleBase, ["b" : styleBold])
self.textView?.attributedText = sourceHTML.set(style: groupStyle)

let allRedAndUppercaseStyle = Style({
	$0.font = UIFont.boldSystemFont(ofSize: 16.0)
	$0.color = UIColor.red
	$0.textTransforms = [
		.uppercaseWithLocale(Locale.current)
	]
})

let text = "test".set(style: allRedAndUppercaseStyle) // will become red and uppercased (TEST)

let markdownBold = Style({
	$0.font = UIFont.boldSystemFont(ofSize: 16.0)
	$0.color = UIColor.red
	$0.textTransforms = [
		.custom({
			return "**\($0)**"
		})
	]
})

// You can specify the bounds of the image, both for size and the location respecting the base line of the text.
let localTextAndImage = AttributedString(image: UIImage(named: "rocket")!, bounds: CGRect(x: 0, y: -20, width: 25, height: 25))

// You can also load a remote image. If you not specify bounds size is the original size of the image.
let remoteTextAndImage = AttributedString(imageURL: "http://...")

// You can now compose it with other attributed or simple string
let finalString = "...".set(style: myStyle) + remoteTextAndImage + " some other text"

let taggedText = """
  Some text and this image:
  <img named="rocket" rect="0,-50,30,30"/>
  
  This other is loaded from remote URL:
  <img url="https://www.macitynet.it/wp-content/uploads/2018/05/video_ApplePark_magg18.jpg"/>
"""

self.textView?.attributedText = taggedText.set(style: ...)

let xmlText = "- <img named=\"check\" background=\"#0000\"/> has done!"
        
let xmlStyle = StyleXML(base: {
  /// some attributes for base style
})

// This method is called when a new `img` tag is found. It's your chance to
// return a custom image. If you return `nil` (or you don't implement this method)
// image is searched inside any bundled `xcasset` file.
xmlStyle.imageProvider = { (imageName, attributes) in
	switch imageName {
		case "check":
		   // create & return your own image
		default:
		   // ...
	}
}
        
self.textView?.attributedText = xmlText.set(style: x)

// Define a struct with your styles names
public struct StyleNames {
	public static let body: String = "body"
	public static let h1: String = "h1"
	public static let h2: String = "h2"
	
	private init { }
}

let bodyStyle: Style = ...
Styles.register(StyleNames.body, bodyStyle)

let text = "hello world".set(StyleNames.body)

Styles.onDeferStyle = { name in
			
	if name == "MyStyle" {
		let normal = Style {
			$0.font = SystemFonts.Helvetica_Light.font(size: 15)
		}
				
		let bold = Style {
			$0.font = SystemFonts.Helvetica_Bold.font(size: 20)
			$0.color = UIColor.red
			$0.backColor = UIColor.yellow
		}
				
		let italic = normal.byAdding {
			$0.traitVariants = .italic
		}
				
		return (StyleXML(base: normal, ["bold": bold, "italic": italic]), true)
	}
			
	return (nil,false)
}

// use `styleName` set value to update a text with the style
self.label?.styledText = "Another text to render" // text is rendered using specified `styleName` value.

// manually set the an attributed string
self.label?.attributedText = (self.label?.text ?? "").set(myStyle)

// manually set the style via instance
self.label?.style = myStyle
self.label?.styledText = "Updated text"

dependencies: [
    .package(url: "https://github.com/malcommac/SwiftRichString.git", from: "3.5.0")
]