Port RSHTMLTag and RSOMLFeedSpecifier to Swift.

Modules/Parser/Sources/Parser/HTML/HTMLTag.swift

@@ -0,0 +1,24 @@
+//
+//  HTMLTag.swift
+//
+//
+//  Created by Brent Simmons on 8/18/24.
+//
+
+import Foundation
+
+public struct HTMLTag: Sendable {
+
+	public enum HTMLTagType {
+		case link
+		case meta
+	}
+
+	public let tagType: HTMLTagType
+	public let attributes: [String: String]?
+
+	public init(tagType: TagType, attributes: [String : String]?) {
+		self.tagType = tagType
+		self.attributes = attributes
+	}
+}

Modules/Parser/Sources/Parser/OPML/OPMLFeedSpecifier.swift

@@ -0,0 +1,40 @@
+//
+//  File.swift
+//  
+//
+//  Created by Brent Simmons on 8/18/24.
+//
+
+import Foundation
+
+public struct OPMLFeedSpecifier: Sendable {
+
+	let title: String?
+	let feedDescription: String?
+	let homePageURL: String?
+	let feedURL: String
+
+	init(title: String?, feedDescription: String?, homePageURL: String?, feedURL: String) {
+
+		if String.isEmptyOrNil(title) {
+			self.title = nil
+		} else {
+			self.title = title
+		}
+
+		if String.isEmptyOrNil(feedDescription) {
+			self.feedDescription = nil
+		} else {
+			self.feedDescription = feedDescription
+		}
+
+		if String.isEmptyOrNil(homePageURL) {
+			self.homePageURL = nil
+		} else {
+			self.homePageURL = homePageURL
+		}
+
+		self.feedURL = feedURL
+	}
+}
+

Modules/Parser/Sources/Parser/Utilities/String+RSParser.swift

@@ -14,4 +14,10 @@ extension String {
 		return self.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty ? nil : self
 	}
 
+	static func isEmptyOrNil(_ s: String?) {
+		if let s {
+			return s.isEmpty
+		}
+		return true
+	}
 }