org.specs2.xml.Nodex.scala Maven / Gradle / Ivy
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package org.specs2
package xml
import scala.xml._
/**
* Extension methods for NodeSeqs and Nodes
*/
trait Nodex { outer =>
/**
* This class adds more methods to the NodeSeq class
*/
implicit class extendNodeSeq(ns: NodeSeq) {
def ==/(n: NodeSeq): Boolean = NodeFunctions.isEqualIgnoringSpace(ns, n)
def isEqualIgnoringSpace(n: NodeSeq): Boolean = NodeFunctions.isEqualIgnoringSpace(ns, n)
def isEqualIgnoringSpaceOrdered(n: NodeSeq): Boolean = NodeFunctions.isEqualIgnoringSpaceOrdered(ns, n)
def filterNodes(condition: Node => Boolean, recurse: Node => Boolean = (e: Node) => true) = NodeFunctions.filter(ns, condition, recurse)
}
/**
* This class adds more methods to the Node class
*/
implicit class extendNode(n: Node) {
/**
* @return true if the Node represents some empty text (containing spaces or newlines)
*/
def isSpaceNode: Boolean = NodeFunctions.isSpaceNode(n)
def matchNode(other: Node,
attributes: List[String] = Nil,
attributeValues: Map[String, String] = Map(),
exactMatch: Boolean = false,
textTest: String => Boolean = (s:String) => true) =
NodeFunctions.matchNode(n, other, attributes, attributeValues, exactMatch, textTest)
}
implicit class reducable(ns: Seq[Node]) {
def reduceNodes = NodeSeq.fromSeq(ns)
}
implicit class reducableSeq(ns: Seq[NodeSeq]) {
def reduceNodes = reducable(ns.flatMap(_.theSeq)).reduceNodes
}
/**
* reduce a sequence of T's with a function transforming T's to NodeSeq
*/
implicit class anyReducable[T](ns: Seq[T]) {
def reduceNodesWith(f: T => NodeSeq) = ns.foldLeft(NodeSeq.Empty) { (res, cur) => res ++ f(cur) }
}
/**
* this implicit definition adds an 'unless' method to a NodeSeq so that it is only evaluated if a condition is true.
* Otherwise NodeSeq.Empty is returned
*/
implicit class NodeSeqOps(ns: =>NodeSeq) {
def unless(b: Boolean): NodeSeq = if (b) NodeSeq.Empty else ns
}
implicit class NodeOps(n: =>Node) {
def unless(b: Boolean) = if (b) NodeSeq.Empty else n
}
/** @return an unprefixed attribute from pair */
implicit def pairToUnprefixedAttribute(pair: (Any, Any)): UnprefixedAttribute =
new UnprefixedAttribute(pair._1.toString, pair._2.toString, Null)
}
object Nodex extends Nodex