Examples with AbstractAxis org.sirix.axis.AbstractAxis used on opensource projects

Example 6 with AbstractAxis

use of org.sirix.axis.AbstractAxis in project sirix by sirixdb.

the class FMSE method getLabels.

/**
 * Creates a flat list of all nodes by doing an in-order-traversal. NOTE: Since this is not a
 * binary tree, we use post-order-traversal (wrong in paper). For each node type (element,
 * attribute, text, comment, ...) there is a separate list.
 *
 * @param rtx {@link XdmNodeReadTrx} reference
 * @param visitor {@link LabelFMSEVisitor} used to save node type/list
 */
private void getLabels(final XdmNodeReadTrx rtx, final LabelFMSEVisitor visitor) {
    assert rtx != null;
    assert visitor != null;
    final long nodeKey = rtx.getNodeKey();
    for (final AbstractAxis axis = new PostOrderAxis(rtx); axis.hasNext(); ) {
        axis.next();
        if (axis.getTrx().getNodeKey() == nodeKey) {
            break;
        }
        axis.getTrx().acceptVisitor(visitor);
    }
    rtx.acceptVisitor(visitor);
}

Example 7 with AbstractAxis

use of org.sirix.axis.AbstractAxis in project sirix by sirixdb.

the class XPathParser method parseAbbrevForwardStep.

/**
 * Parses the the rule AbrevForwardStep according to the following production rule:
 * <p>
 * [31] AbbrevForwardStep ::= "@"? NodeTest .
 * </p>
 *
 * @return FilterAxis
 */
private AbstractAxis parseAbbrevForwardStep() {
    AbstractAxis axis;
    boolean isAttribute;
    if (is(TokenType.AT, true) || mToken.getContent().equals("attribute") || mToken.getContent().equals("schema-attribute")) {
        // in case of .../attribute(..), or .../schema-attribute() the
        // default
        // axis
        // is the attribute axis
        axis = new AttributeAxis(getTransaction());
        isAttribute = true;
    } else {
        // default axis is the child axis
        axis = new ChildAxis(getTransaction());
        isAttribute = false;
    }
    final Filter filter = parseNodeTest(isAttribute);
    return new FilterAxis(axis, filter);
}