identified some stuff; now uses less interpolation for enum values

- corrected two `attributionsrc` value types
- added some todos

Author: RandomHashTags

Sources/HTMLKit/HTMLKit.swift

@@ -46,7 +46,7 @@ public macro a(
     virtualkeyboardpolicy: HTMLElementAttribute.virtualkeyboardpolicy? = nil,
     writingsuggestions: HTMLElementAttribute.writingsuggestions? = nil,
 
-    attributionsrc: [String] = [],
+    attributionsrc: [String]? = nil,
     download: HTMLElementAttribute.download? = nil,
     href: String? = nil,
     hreflang: String? = nil,
@@ -3401,7 +3401,7 @@ public macro script(
     writingsuggestions: HTMLElementAttribute.writingsuggestions? = nil,
 
     async: Bool = false,
-    attributionsrc: [String] = [],
+    attributionsrc: [String]? = nil,
     blocking: HTMLElementAttribute.blocking? = nil,
     crossorigin: HTMLElementAttribute.crossorigin? = nil,
     defer: Bool = false,
@@ -4729,23 +4729,6 @@ public extension HTMLElementAttribute {
         case refresh
     }
 
-    enum sandbox : String {
-        case allowDownloads = "allow-downloads"
-        case allowForms = "allow-forms"
-        case allowModals = "allow-modals"
-        case allowOrientationLock = "allow-orientation-lock"
-        case allowPointerLock = "allow-pointer-lock"
-        case allowPopups = "allow-popups"
-        case allowPopupsToEscapeSandbox = "allow-popups-to-escape-sandbox"
-        case allowPresentation = "allow-presentation"
-        case allowSameOrigin = "allow-same-origin"
-        case allowScripts = "allow-scripts"
-        case allowStorageAccessByUserActiviation = "allow-storage-access-by-user-activation"
-        case allowTopNavigation = "allow-top-navigation"
-        case allowTopNavigationByUserActivation = "allow-top-navigation-by-user-activation"
-        case allowTopNavigationToCustomProtocols = "allow-top-navigation-to-custom-protocols"
-    }
-
     enum inputmode {
         case none, text, decimal, numeric, tel, search, email, url
     }
@@ -4921,6 +4904,23 @@ public extension HTMLElementAttribute {
         }
     }
 
+    enum sandbox : String {
+        case allowDownloads = "allow-downloads"
+        case allowForms = "allow-forms"
+        case allowModals = "allow-modals"
+        case allowOrientationLock = "allow-orientation-lock"
+        case allowPointerLock = "allow-pointer-lock"
+        case allowPopups = "allow-popups"
+        case allowPopupsToEscapeSandbox = "allow-popups-to-escape-sandbox"
+        case allowPresentation = "allow-presentation"
+        case allowSameOrigin = "allow-same-origin"
+        case allowScripts = "allow-scripts"
+        case allowStorageAccessByUserActiviation = "allow-storage-access-by-user-activation"
+        case allowTopNavigation = "allow-top-navigation"
+        case allowTopNavigationByUserActivation = "allow-top-navigation-by-user-activation"
+        case allowTopNavigationToCustomProtocols = "allow-top-navigation-to-custom-protocols"
+    }
+
     enum scripttype : String {
         case classic = ""
         case importmap, module, speculationrules

Sources/HTMLKitMacros/HTMLElement.swift

@@ -81,11 +81,14 @@ private extension HTMLElement {
         if let float:String = expression.as(FloatLiteralExprSyntax.self)?.literal.text {
             return yup(float)
         }
-        if let value:String = expression.as(ArrayExprSyntax.self)?.elements.map({ $0.expression.as(StringLiteralExprSyntax.self)!.string }).joined(separator: " ") { // TODO: fix: [Int], [HTMLElementAttribute.controlslist], [HTMLElementAttribute.sandbox]
+        // TODO: fix: [Int], [HTMLElementAttribute.controlslist], [HTMLElementAttribute.sandbox]
+        // TODO: fix: attributionsrc attribute has two possible return values (Bool, [String])
+        // TODO: fix: some attributes return a comma separated string instead of space separated
+        if let value:String = expression.as(ArrayExprSyntax.self)?.elements.map({ $0.expression.as(StringLiteralExprSyntax.self)!.string }).joined(separator: " ") {
             return yup(value)
         }
         func member(_ value: String) -> String {
-            var enumName:String = key
+            let enumName:String
             switch elementType.rawValue + key { // better performance than switching key, than switching elementType
                 case "buttontype":
                     enumName = "buttontype"
@@ -100,9 +103,20 @@ private extension HTMLElement {
                     enumName = "scripttype"
                     break
                 default:
+                    enumName = key
                     break
             }
-            return yup("\\(HTMLElementAttribute." + enumName + value + ")")
+            let string:String
+            switch enumName {
+                case "contenteditable", "crossorigin", "download", "formenctype", "hidden", "httpequiv", "numberingtype", "referrerpolicy", "sandbox", "scripttype",
+                        "width", "height":
+                    string = "\\(HTMLElementAttribute." + enumName + value + ")"
+                    break
+                default:
+                    string = String(value[value.index(after: value.startIndex)...])
+                    break
+            }
+            return yup(string)
         }
         if let function:FunctionCallExprSyntax = expression.as(FunctionCallExprSyntax.self) {
             return member("\(function)")