Validation changes, more properties, cleanup

src/commonMain/kotlin/nl/astraeus/css/properties/Animation.kt

@@ -69,7 +69,7 @@ class AnimationTimingFunction(
             n2: Double,
             n3: Double,
             n4: Double
-        ) = AnimationTimingFunction("cubic-bezier($n1, $n2, $n3, $n4)")
+        ) = AnimationTimingFunction("cubic-bezier($n1,$n2,$n3,$n4)")
         fun initial() = AnimationTimingFunction("initial")
         fun inherit() = AnimationTimingFunction("inherit")
 

src/commonMain/kotlin/nl/astraeus/css/properties/Background.kt

@@ -31,50 +31,10 @@ class BackgroundBlendMode(
     }
 }
 
-class BackgroundClip(
-    value: String
-) : CssProperty(value) {
-
-    companion object {
-        fun borderBox() = BackgroundClip("border-box")
-        fun paddingBox() = BackgroundClip("padding-box")
-        fun contentBox() = BackgroundClip("content-box")
-        fun initial() = BackgroundClip("initial")
-        fun inherit() = BackgroundClip("inherit")
-
-    }
-}
-
-class BackgroundOrigin(
-    value: String
-) : CssProperty(value) {
-
-    companion object {
-        fun borderBox() = BackgroundOrigin("border-box")
-        fun paddingBox() = BackgroundOrigin("padding-box")
-        fun contentBox() = BackgroundOrigin("content-box")
-        fun initial() = BackgroundOrigin("initial")
-        fun inherit() = BackgroundOrigin("inherit")
-
-    }
-}
-
 class BackgroundPosition(
     value: String
 ) : CssProperty(value) {
 
-    override fun validateMultiple(props: List<*>) {
-        for (prop in props) {
-            if (prop is CssProperty) {
-                if (prop.css() == "initial" || prop.css() == "inherit") {
-                    check(props.size == 1) {
-                        "'background-position' can only have single value when 'initial' or 'inherit'"
-                    }
-                }
-            }
-        }
-    }
-
     companion object {
         fun left() = BackgroundPosition("left")
         fun center() = BackgroundPosition("center")
@@ -106,12 +66,6 @@ class BackgroundSize(
     value: String
 ) : CssProperty(value) {
 
-    override fun validateMultiple(props: List<*>) {
-        check(props.size <= 2) {
-            "'background-size' can not have more than 2 values"
-        }
-    }
-
     companion object {
         fun px(px: Int) = BackgroundSize("${px}px")
         fun perc(pc: Double) = BackgroundSize("${pc}%")

src/commonMain/kotlin/nl/astraeus/css/properties/Border.kt

@@ -4,21 +4,6 @@ class BorderRadius(
     value: String
 ): CssProperty(value) {
 
-    override fun validateMultiple(props: List<*>) {
-        check(props.size <= 2) {
-            "'background-size' can not have more than 2 values"
-        }
-        for (prop in props) {
-            if (prop is CssProperty) {
-                if (prop.css() == "initial" || prop.css() == "inherit") {
-                    check(props.size == 1) {
-                        "'border-radius' can only have single value when 'initial' or 'inherit'"
-                    }
-                }
-            }
-        }
-    }
-
     companion object {
         fun px(nr: Int) = BorderRadius("${nr}px")
         fun em(nr: Int) = BorderRadius("${nr}em")
@@ -77,3 +62,13 @@ class BorderWidth(
         fun inherit() = BorderWidth("inherit")
     }
 }
+
+class BorderCollapse(
+    value: String
+): CssProperty(value) {
+
+    companion object {
+        fun separate() = BorderWidth("separate")
+        fun collapse() = BorderWidth("collapse")
+    }
+}

src/commonMain/kotlin/nl/astraeus/css/properties/Common.kt

@@ -0,0 +1,36 @@
+package nl.astraeus.css.properties
+
+class Length(
+    value: String
+): CssProperty(value) {
+
+    companion object {
+        fun px(nr: Int) = Length("${nr}px")
+        fun em(nr: Int) = Length("${nr}em")
+        fun em(nr: Double) = Length("${nr}em")
+        fun perc(nr: Int) = Length("${nr}%")
+        fun perc(nr: Double) = Length("${nr}%")
+        fun pc(nr: Int) = Length("${nr}pc")
+        fun pc(nr: Double) = Length("${nr}pc")
+        fun cm(nr: Int) = Length("${nr}cm")
+        fun cm(nr: Double) = Length("${nr}cm")
+        fun initial() = Length("initial")
+        fun inherit() = Length("inherit")
+    }
+
+}
+
+class ClipOrigin(
+    value: String
+) : CssProperty(value) {
+
+    companion object {
+        fun borderBox() = ClipOrigin("border-box")
+        fun paddingBox() = ClipOrigin("padding-box")
+        fun contentBox() = ClipOrigin("content-box")
+        fun initial() = ClipOrigin("initial")
+        fun inherit() = ClipOrigin("inherit")
+
+    }
+}
+

src/commonMain/kotlin/nl/astraeus/css/properties/CssProperty.kt

@@ -3,11 +3,9 @@ package nl.astraeus.css.properties
 open class CssProperty(
     val value: String
 ) {
+
     fun css(): String = value
 
-    open fun validate() {}
-
-    open fun validateMultiple(props: List<*>) {}
 }
 
 fun text(value: String) = TextProperty(value)