(Swift 2) Demonstrate XML SearchForTag2

Demonstrates how to use SearchForTag2.

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func chilkatTest() {
    let xml = CkoXml()

    // Load the following XML:

    // 	<Test>
    // 	    <testchild1>
    // 	        test
    // 	    </testchild1>
    // 	    <testchild1>
    // 	        test1
    // 	    </testchild1>
    // 	    <testchild1>
    // 	        test2
    // 	    </testchild1>
    // 	    <testchild1>
    // 	        test3
    // 	    </testchild1>
    // 	    <testchild1>
    // 	        test4
    // 	    </testchild1>
    // 	    <testchild1>
    // 	        test5
    // 	    </testchild1>
    // 	    <testchild1>
    // 	        test6
    // 	    </testchild1>
    // 	</Test>

    var success: Bool = xml.LoadXml("<Test><testchild1>test</testchild1><testchild1>test1</testchild1><testchild1>test2</testchild1><testchild1>test3</testchild1><testchild1>test4</testchild1><testchild1>test5</testchild1><testchild1>test6</testchild1></Test>")

    var i: Int = 0
    var xmlSearch: CkoXml? = xml.GetRoot()
    var afterPtr: CkoXml? = xml.GetRoot()
    var pTemp: CkoXml?

    // Alway begin the search from the root.
    while xmlSearch!.SearchForTag2(afterPtr, tag: "testchild1") {
        // If successful, xmlSearch now points to the found element.
        i = i + 1

        // Set afterPtr = xmlSearch (so we find the next match after the one we just found)
        // Rest xmlSearch to the root of the XML tree to be searched.
        print("\(i): \(xmlSearch!.Content)")
        pTemp = afterPtr
        afterPtr = xmlSearch
        pTemp!.GetRoot2()
        xmlSearch = pTemp
    }

    xmlSearch = nil
    afterPtr = nil

    print("----")

    // A better way:
    let sbState = CkoStringBuilder()
    i = 0
    while xml.NextInTraversal2(sbState) != false {
        if xml.TagEquals("testchild1") == true {
            print("\(i): \(xml.Content)")
            i = i + 1
        }

    }

    xml.GetRoot2()

}