Avoid deeply nested control flow statements.

Open

            if (keywords.indexOf(j) == -1) {
              // this element has child[ren]
              isLeaf = false;
              checkLeaves(e);
            }

Function resolveQName has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring.

Open

Utilities.resolveQName = function(qn, nr, n, useDefault) {
    var parts = Utilities.splitQName(qn);
    if (parts[0] != null) {
        parts[0] = nr.getNamespace(parts[0], n);
    } else {

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Avoid deeply nested control flow statements.

Open

                    if (s.charAt(pos) == ')') {
                        types.push(XPathParser.NODETYPE);
                    } else {
                        types.push(XPathParser.PROCESSINGINSTRUCTIONWITHLITERAL);
                    }

Avoid deeply nested control flow statements.

Open

                    if (this.predicateMatches(pred, xpc)) {
                        newNodes.push(xpc.contextNode);
                    }

Avoid deeply nested control flow statements.

Open

                    if (nodes[0].ownerDocument == null) {
                        // IE 5.5 doesn't have ownerDocument?
                        var n = nodes[0];
                        while (n.parentNode != null) {
                            n = n.parentNode;

Avoid deeply nested control flow statements.

Open

                    if (name == "or") {
                        types.push(XPathParser.OR);
                        values.push(name);
                        continue;
                    }

Avoid deeply nested control flow statements.

Open

                        for (var m = xpc.contextNode.firstChild; m != null; m = m.nextSibling) {
                            if (step.nodeTest.matches(m, xpc)) {
                                newNodes.push(m);
                            }
                        }

Avoid deeply nested control flow statements.

Open

                        if (step.nodeTest.matches(xpc.contextNode, xpc)) {
                            newNodes.push(xpc.contextNode);
                        }

Avoid deeply nested control flow statements.

Open

                        if (nnm != null) {
                            for (var k = 0; k < nnm.length; k++) {
                                var m = nnm.item(k);
                                if (step.nodeTest.matches(m, xpc)) {
                                    newNodes.push(m);

Avoid deeply nested control flow statements.

Open

                        if (step.nodeTest.matches(xpc.contextNode, xpc)) {
                            newNodes.push(xpc.contextNode);
                        }

Avoid deeply nested control flow statements.

Open

                        if (xpc.contextNode.firstChild != null) {
                            st.unshift(xpc.contextNode.firstChild);
                        } else {
                            st.unshift(xpc.contextNode.nextSibling);
                        }

Avoid deeply nested control flow statements.

Open

                        while (st.length > 0) {
                            for (var m = st.pop(); m != null; ) {
                                if (step.nodeTest.matches(m, xpc)) {
                                    newNodes.push(m);
                                }

Avoid deeply nested control flow statements.

Open

                        for (var m = xpc.contextNode.parentNode; m != null && m.nodeType != 9 /*Node.DOCUMENT_NODE*/ && m !== xpc.virtualRoot; m = m.parentNode) {
                            st.unshift(m.nextSibling);
                        }

Avoid deeply nested control flow statements.

Open

                        while (m != null) {
                            if (step.nodeTest.matches(m, xpc)) {
                                newNodes.push(m);
                            }
                            if (m === xpc.virtualRoot) {

Avoid deeply nested control flow statements.

Open

                        outer: while (st.length > 0) {
                            for (var m = st.pop(); m != null; ) {
                                if (m == xpc.contextNode) {
                                    break outer;
                                }

Avoid deeply nested control flow statements.

Open

                        if (xpc.contextNode === xpc.virtualRoot) {
                            break;
                        }

Avoid deeply nested control flow statements.

Open

                        for (var m = xpc.contextNode; m != null; m = m.nodeType == 2 /*Node.ATTRIBUTE_NODE*/ ? this.getOwnerElement(m) : m.parentNode) {
                            if (step.nodeTest.matches(m, xpc)) {
                                newNodes.push(m);
                            }
                            if (m === xpc.virtualRoot) {

Avoid deeply nested control flow statements.

Open

                        if (xpc.contextNode === xpc.virtualRoot) {
                            break;
                        }

Avoid deeply nested control flow statements.

Open

                    if (c == '(') {
                        types.push(XPathParser.FUNCTIONNAME);
                        values.push(name);
                        continue;
                    }

Avoid deeply nested control flow statements.

Open

                        if (xpc.contextNode.nodeType == 1 /*Node.ELEMENT_NODE*/) {
                            n["xml"] = XPath.XML_NAMESPACE_URI;
                            n["xmlns"] = XPath.XMLNS_NAMESPACE_URI;
                            for (var m = xpc.contextNode; m != null && m.nodeType == 1 /*Node.ELEMENT_NODE*/; m = m.parentNode) {
                                for (var k = 0; k < m.attributes.length; k++) {