public boolean checkAxisMismatch()

in src/org/apache/xalan/xsltc/compiler/ParentLocationPath.java [112:165]
42 lines of code
35 McCabe index (conditional complexity)

    public boolean checkAxisMismatch() {

	int left = _path.getAxis();
	int right = ((Step)_step).getAxis();

	if (((left == Axis.ANCESTOR) || (left == Axis.ANCESTORORSELF)) &&
	    ((right == Axis.CHILD) ||
	     (right == Axis.DESCENDANT) ||
	     (right == Axis.DESCENDANTORSELF) ||
	     (right == Axis.PARENT) ||
	     (right == Axis.PRECEDING) ||
	     (right == Axis.PRECEDINGSIBLING)))
	    return true;

	if ((left == Axis.CHILD) &&
	    (right == Axis.ANCESTOR) ||
	    (right == Axis.ANCESTORORSELF) ||
	    (right == Axis.PARENT) ||
	    (right == Axis.PRECEDING))
	    return true;

	if ((left == Axis.DESCENDANT) || (left == Axis.DESCENDANTORSELF))
	    return true;

	if (((left == Axis.FOLLOWING) || (left == Axis.FOLLOWINGSIBLING)) &&
	    ((right == Axis.FOLLOWING) ||
	     (right == Axis.PARENT) ||
	     (right == Axis.PRECEDING) ||
	     (right == Axis.PRECEDINGSIBLING)))
	    return true;

	if (((left == Axis.PRECEDING) || (left == Axis.PRECEDINGSIBLING)) &&
	    ((right == Axis.DESCENDANT) ||
	     (right == Axis.DESCENDANTORSELF) ||
	     (right == Axis.FOLLOWING) ||
	     (right == Axis.FOLLOWINGSIBLING) ||
	     (right == Axis.PARENT) ||
	     (right == Axis.PRECEDING) ||
	     (right == Axis.PRECEDINGSIBLING)))
	    return true;

	if ((right == Axis.FOLLOWING) && (left == Axis.CHILD)) {
	    // Special case for '@*/following::*' expressions. The resulting
	    // iterator is initialised with the parent's first child, and this
	    // can cause duplicates in the output if the parent has more than
	    // one attribute that matches the left step.
	    if (_path instanceof Step) {
		int type = ((Step)_path).getNodeType();
		if (type == DTM.ATTRIBUTE_NODE) return true;
	    }
	}

	return false;
    }