Sample PR To show proposed changes [Not mergeable]

ExampleiOS/ViewController.swift

@@ -52,12 +52,23 @@ class ViewController: UIViewController {
 		let italicStyle = Style {
 			$0.font = UIFont.italicSystemFont(ofSize: self.baseFontSize)
 		}
+
+
 
 		let style = StyleGroup(base: Style {
 			$0.font = UIFont.systemFont(ofSize: self.baseFontSize)
 			$0.lineSpacing = 2
 			$0.kerning = Kerning.adobe(-15)
 			}, [
+                "font": Style {
+                    $0.color = DynamicColorRepresentable(tagKey: "color", defaultColor:"#000000")
+                },
+                "strike": Style{
+                    $0.strikethrough = (NSUnderlineStyle.single,UIColor.black)
+                },
+                "a":Style{
+                    $0.linkURL = URLRepresentable.tagAttribute("href")
+                },
 				"h3": headerStyle,
 				"h4": headerStyle,
 				"h5": headerStyle,
@@ -69,13 +80,21 @@ class ViewController: UIViewController {
 					$0.paragraphSpacingBefore = self.baseFontSize / 2
 					$0.firstLineHeadIndent = self.baseFontSize
 					$0.headIndent = self.baseFontSize * 1.71
+                    $0.color = DynamicColorRepresentable(tagKey: "color", defaultColor:"#000000")
 				},
 				"sup": Style {
 					$0.font = UIFont.systemFont(ofSize: self.baseFontSize / 1.2)
 					$0.baselineOffset = Float(self.baseFontSize) / 3.5
 				}])
+        do {
+            self.textView?.attributedText =  try bodyHTML.set(style: style)
+        }catch let error {
+            if let nserror = error as? NSError {
+                print(nserror)
+            }
+
+        }
 
-		self.textView?.attributedText = bodyHTML.set(style: style)
         if #available(iOS 10.0, *) {
             self.textView?.adjustsFontForContentSizeCategory = true
         }

ExampleiOS/file.txt

@@ -1,6 +1,6 @@
-<strong>Parler du don d'organe n'est plus tabou. Je me renseigne, j'en discute avec mes proches,... et je décide!</strong>
+<p><strong>Parler du don d'organe n'est plus tabou. Je me renseigne, j'en discute avec mes proches,... et je décide!</strong></p>
 
-En Belgique, au début des années 2000, le nombre de donneurs d’organes avait tendance à diminuer et les listes d’attente à augmenter considérablement ayant comme corollaire une augmentation de la mortalité des patients inscrits sur les listes d’attente.
+En Belgique, au début des années 2000, le nombre de donneurs d’organes avait tendance à diminuer<p> et les listes d’attente à augmenter considérablement ayant comme corollaire une augmentation de la mortalité des patients inscrits sur les listes d’attente<p>.
 
 Soucieux de cette situation, en juin 2005, le Ministre en charge de la Santé publique a souhaité mettre sur pied une vaste campagne de sensibilisation entièrement dédiée au don d’organes.
 
@@ -9,7 +9,12 @@ Depuis, de nombreuses actions entreprises par le SPF Santé publique viennent re
 <strong>Objectifs poursuivis</strong>
 
 Les objectifs principaux de cette campagne sont:
-<li style="text-align: justify;">• d’améliorer la sensibilisation au don auprès des différents groupes auxquels les messages s’adressent,</li>
-<li style="text-align: justify;">• d’inviter les citoyens à «oser» en parler en famille, entre amis, entre collègues. Aborder la mort – sa propre mort – reste relativement tabou pour beaucoup.</li>
+<li style="text-align: justify;",color="#25883d">• d’améliorer la sensibilisation au don auprès des différents groupes auxquels les messages s’adressent,</li>
+<li style="text-align: justify;",color="#25883d">• d’inviter les citoyens à «oser» en parler en famille, entre amis, entre collègues. Aborder la mort – sa propre mort – reste relativement tabou pour beaucoup.</li>
+
+
+<font color='#ff0000'>₹ 149 has <strike>been refunded back</strike> to your Paypal account.</font>
+<font color=#0F1938>&#8377; 149.0</font>
+
 
 <strong>Pour en savoir plus... <a href="http://www.health.belgium.be/fr/sante/prenez-soin-de-vous/debut-et-fin-de-vie/don-dorganes" target="_blank">www.health.belgium.be/fr/sante/prenez-soin-de-vous/debut-et-fin-de-vie/don-dorganes</a></strong>

Sources/SwiftRichString/Attributes/ColorConvertible.swift

@@ -41,11 +41,34 @@ import UIKit
 /// as color's attributes for several properties inside a style. Style get the color instance from your object
 /// and use it inside for string attributes.
 /// Both `String` and `UIColor`/`NSColor` already conforms this protocol.
-public protocol ColorConvertible {
+public protocol ColorConvertible  {
 	/// Transform a instance of a `ColorConvertible` conform object to a valid `UIColor`/`NSColor`.
 	var color: Color { get }
 }
 
+
+public struct DynamicColorRepresentable:ColorConvertible,DynamicTagComposable{
+    public var color: Color {
+        return defaultColor.color
+    }
+    public var tagKey: String
+
+    // Default color property
+    public var defaultColor: String
+
+    public init(tagKey:String,defaultColor:String) {
+        self.tagKey = tagKey
+        self.defaultColor = defaultColor
+    }
+
+    public func dynamicValueFromTag(_ tag: StyleGroup.TagAttribute?) -> Any? {
+        guard let value = tag?.parameters?[tagKey] else {
+            return nil
+        }
+        return value.color
+    }
+}
+
 // MARK: - ColorConvertible for `UIColor`/`NSColor`
 
 extension Color: ColorConvertible {

Sources/SwiftRichString/Extensions/AttributedString+Ext.swift

@@ -48,9 +48,9 @@ public extension AttributedString {
 	///   - range: 	range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: 	same instance of the receiver with - eventually - modified attributes.
 	@discardableResult
-	func add(style: String, range: NSRange? = nil) -> AttributedString {
+	func add(style: String, range: NSRange? = nil) throws -> AttributedString {
 		guard let style = Styles[style] else { return self }
-		return style.add(to: self, range: range)
+		return try style.add(to: self, range: range)
 	}
 
 	/// Append ordered sequence of styles registered in `StyleManager` to the receiver.
@@ -61,9 +61,9 @@ public extension AttributedString {
 	///   - range: 	range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: 	same instance of the receiver with - eventually - modified attributes.
 	@discardableResult
-	func add(styles: [String], range: NSRange? = nil) -> AttributedString {
+	func add(styles: [String], range: NSRange? = nil) throws -> AttributedString {
 		guard let styles = Styles[styles] else { return self }
-		return styles.mergeStyle().set(to: self, range: range)
+		return try styles.mergeStyle().set(to: self, range: range)
 	}
 
 	/// Replace any existing attributed string's style into the receiver/substring of the receiver
@@ -74,9 +74,9 @@ public extension AttributedString {
 	///   - range: 	range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: 	same instance of the receiver with - eventually - modified attributes.
 	@discardableResult
-	func set(style: String, range: NSRange? = nil) -> AttributedString {
+	func set(style: String, range: NSRange? = nil) throws-> AttributedString {
 		guard let style = Styles[style] else { return self }
-		return style.set(to: self, range: range)
+		return try style.set(to: self, range: range)
 	}
 
 	/// Replace any existing attributed string's style into the receiver/substring of the receiver
@@ -88,9 +88,9 @@ public extension AttributedString {
 	///   - range: 	range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: 	same instance of the receiver with - eventually - modified attributes.
 	@discardableResult
-	func set(styles: [String], range: NSRange? = nil) -> AttributedString {
+	func set(styles: [String], range: NSRange? = nil) throws -> AttributedString {
 		guard let styles = Styles[styles] else { return self }
-		return styles.mergeStyle().set(to: self, range: range)
+		return try styles.mergeStyle().set(to: self, range: range)
 	}
 
 	/// Append passed style to the receiver.
@@ -100,8 +100,8 @@ public extension AttributedString {
 	///   - range: 	range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: 	same instance of the receiver with - eventually - modified attributes.
 	@discardableResult
-	func add(style: StyleProtocol, range: NSRange? = nil) -> AttributedString {
-		return style.add(to: self, range: range)
+	func add(style: StyleProtocol, range: NSRange? = nil) throws -> AttributedString {
+		return try style.add(to: self, range: range)
 	}
 
 	/// Append passed sequences of styles to the receiver.
@@ -112,8 +112,8 @@ public extension AttributedString {
 	///   - range: 	range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: 	same instance of the receiver with - eventually - modified attributes.
 	@discardableResult
-	func add(styles: [StyleProtocol], range: NSRange? = nil) -> AttributedString {
-		return styles.mergeStyle().add(to: self, range: range)
+	func add(styles: [StyleProtocol], range: NSRange? = nil) throws -> AttributedString {
+		return try styles.mergeStyle().add(to: self, range: range)
 	}
 
 	/// Replace the attributes of the string with passed style.
@@ -123,8 +123,8 @@ public extension AttributedString {
 	///   - range: 	range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: 	same instance of the receiver with - eventually - modified attributes.
 	@discardableResult
-	func set(style: StyleProtocol, range: NSRange? = nil) -> AttributedString {
-		return style.set(to: self, range: range)
+	func set(style: StyleProtocol, range: NSRange? = nil) throws -> AttributedString {
+		return try style.set(to: self, range: range)
 	}
 
 	/// Replace the attributes of the string with a style which is an ordered merge of passed
@@ -135,8 +135,8 @@ public extension AttributedString {
 	///   - range: 	range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: 	same instance of the receiver with - eventually - modified attributes.
 	@discardableResult
-	func set(styles: [StyleProtocol], range: NSRange? = nil) -> AttributedString {
-		return styles.mergeStyle().set(to: self, range: range)
+	func set(styles: [StyleProtocol], range: NSRange? = nil) throws -> AttributedString {
+		return try styles.mergeStyle().set(to: self, range: range)
 	}
 
 	/// Remove passed attribute's keys from the receiver.

Sources/SwiftRichString/Extensions/String+Ext.swift

@@ -49,8 +49,8 @@ public extension String {
 	///   - style: name of style registered in `StylesManager` singleton.
 	///   - range: range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: rendered attributed string, `nil` if style is not registered.
-	func set(style: String, range: NSRange? = nil) -> AttributedString? {
-		return StylesManager.shared[style]?.set(to: self, range: range)
+	func set(style: String, range: NSRange? = nil) throws -> AttributedString? {
+		return try StylesManager.shared[style]?.set(to: self, range: range)
 	}
 
 	/// Apply a sequence of styles defied in global `StylesManager` to the receiver string.
@@ -63,8 +63,8 @@ public extension String {
 	///   - styles: ordered list of styles name to apply. Styles must be registed in `StylesManager`.
 	///   - range: range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: attributed string, `nil` if all specified styles required are not registered.
-	func set(styles: [String], range: NSRange? = nil) -> AttributedString? {
-		return StylesManager.shared[styles]?.mergeStyle().set(to: self, range: range)
+	func set(styles: [String], range: NSRange? = nil) throws -> AttributedString? {
+        return try StylesManager.shared[styles]?.mergeStyle().set(to: self, range: range)
 	}
 
 	/// Apply passed style to the receiver string.
@@ -73,8 +73,8 @@ public extension String {
 	///   - style: style to apply.
 	///   - range: range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: rendered attributed string.
-	func set(style: StyleProtocol, range: NSRange? = nil) -> AttributedString {
-		return style.set(to: self, range: range)
+	func set(style: StyleProtocol, range: NSRange? = nil) throws -> AttributedString {
+		return try style.set(to: self, range: range)
 	}
 
 	/// Apply passed sequence of `StyleProtocol` instances to the receiver.
@@ -86,8 +86,8 @@ public extension String {
 	///   - styles: ordered list of styles to apply. Styles must be registed in `StylesManager`.
 	///   - range: range of substring where style is applied, `nil` to use the entire string.
 	/// - Returns: attributed string.
-	func set(styles: [StyleProtocol], range: NSRange? = nil) -> AttributedString {
-		return styles.mergeStyle().set(to: self, range: range)
+	func set(styles: [StyleProtocol], range: NSRange? = nil) throws -> AttributedString {
+		return try styles.mergeStyle().set(to: self, range: range)
 	}
 
 }
@@ -100,7 +100,7 @@ public extension String {
 ///   - lhs: plain string.
 ///   - rhs: style to apply.
 /// - Returns: rendered attributed string instance
-public func + (lhs: String, rhs: StyleProtocol) -> AttributedString {
-	return rhs.set(to: lhs, range: nil)
+public func + (lhs: String, rhs: StyleProtocol) throws -> AttributedString {
+	return try rhs.set(to: lhs, range: nil)
 }
 

Sources/SwiftRichString/Extensions/UIKit+Extras.swift

@@ -75,7 +75,7 @@ extension UILabel {
 		set {
 			guard let text = newValue else { return }
             let style = self.style ?? Style()
-            self.attributedText = style.set(to: text, range: nil)
+            self.attributedText =  try? style.set(to: text, range: nil)
 		}
 	}
 
@@ -117,7 +117,7 @@ extension UITextField {
 		set {
 			guard let text = newValue else { return }
             let style = self.style ?? Style()
-            self.attributedText = style.set(to: text, range: nil)
+            self.attributedText = try? style.set(to: text, range: nil)
 		}
 	}
 
@@ -159,7 +159,7 @@ extension UITextView {
 		set {
 			guard let text = newValue else { return }
             let style = self.style ?? Style()
-            self.attributedText = style.set(to: text, range: nil)
+            self.attributedText = try? style.set(to: text, range: nil)
 		}
 	}
 

Sources/SwiftRichString/Style/Style.swift

@@ -101,16 +101,30 @@ public class Style: StyleProtocol {
 	/// You can pass any `ColorConvertible` conform object, it will be transformed to a valid `UIColor`/`NSColor`
 	/// automatically. Both `UIColor`/`NSColor` and `String` are conform to this protocol.
 	public var color: ColorConvertible? {
-		set { self.set(attribute: newValue?.color, forKey: .foregroundColor) }
+		set {
+            if let dynamicColor = newValue as? DynamicTagComposable {
+                self.set(attribute:dynamicColor, forKey: .foregroundColor)
+            }
+            else {
+                self.set(attribute: newValue?.color, forKey: .foregroundColor)
+            }
+        }
 		get { return self.get(attributeForKey: .foregroundColor) }
 	}
 
 	/// Set the background color of the style.
 	/// You can pass any `ColorConvertible` conform object, it will be transformed to a valid `UIColor`/`NSColor`
 	/// automatically. Both `UIColor`/`NSColor` and `String` are conform to this protocol.
 	public var backColor: ColorConvertible? {
-		set { self.set(attribute: newValue?.color, forKey: .backgroundColor) }
-		get { return self.get(attributeForKey: .backgroundColor) }
+        set {
+            if let dynamicColor = newValue as? DynamicTagComposable {
+                self.set(attribute:dynamicColor, forKey: .backgroundColor)
+            }
+            else {
+                self.set(attribute: newValue?.color, forKey: .backgroundColor)
+            }
+        }
+        get { return self.get(attributeForKey: .backgroundColor) }
 	}
 
 	/// This value indicates whether the text is underlined.