Ilya Gorbunov
62 lines
1.8 KiB
Kotlin
62 lines
1.8 KiB
Kotlin
package kotlin.dom
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import org.w3c.dom.*
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/** Removes all the children from this node */
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fun Node.clear() {
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while (hasChildNodes()) {
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removeChild(firstChild!!)
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}
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}
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/**
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* Removes this node from parent node. Does nothing if no parent node
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*/
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fun Node.removeFromParent() {
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parentNode?.removeChild(this)
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}
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operator fun Node.plus(child: Node): Node {
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appendChild(child)
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return this
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}
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operator fun Element.plus(text: String): Element = appendText(text)
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operator fun Element.plusAssign(text: String): Unit {
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appendText(text)
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}
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/** Returns the owner document of the element or uses the provided document */
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fun Node.ownerDocument(doc: Document? = null): Document = when {
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nodeType == Node.DOCUMENT_NODE -> this as Document
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else -> doc ?: ownerDocument ?: throw IllegalArgumentException("Neither node contains nor parameter doc provides an owner document for $this")
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}
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/**
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* Adds a newly created text node to an element which either already has an owner Document or one must be provided as a parameter
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*/
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@Deprecated("Use appendText() instead", ReplaceWith("appendText(text, doc)"))
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fun Element.addText(text: String, doc: Document? = null): Element = appendText(text, doc)
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/**
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* Adds a newly created text node to an element which either already has an owner Document or one must be provided as a parameter
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*/
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@Deprecated("Use appendText() instead", ReplaceWith("appendText(text)"))
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fun Element.addText(text: String): Element = appendText(text)
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/**
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* Creates text node and append it to the element
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*/
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fun Element.appendText(text: String, doc: Document? = null): Element {
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appendChild(ownerDocument(doc).createTextNode(text))
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return this
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}
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/**
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* Appends the node to the specified parent element
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*/
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fun Node.appendTo(parent: Element) {
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parent.appendChild(this)
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}
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