Examples with FilterAxis org.sirix.axis.filter.FilterAxis used on opensource projects

Example 16 with FilterAxis

use of org.sirix.axis.filter.FilterAxis 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);
}

Example 17 with FilterAxis

use of org.sirix.axis.filter.FilterAxis in project sirix by sirixdb.

the class NodeWrapper method expandString.

/**
 * Filter text nodes.
 *
 * @return concatenated String of text node values
 */
private String expandString() {
    final FastStringBuffer fsb = new FastStringBuffer(FastStringBuffer.SMALL);
    try {
        final NodeReadTrx rtx = createRtxAndMove();
        final FilterAxis axis = new FilterAxis(new DescendantAxis(rtx), new TextFilter(rtx));
        while (axis.hasNext()) {
            axis.next();
            fsb.append(rtx.getValue());
        }
        rtx.close();
    } catch (final SirixException exc) {
        LOGGER.error(exc.toString());
    }
    return fsb.condense().toString();
}