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

Example 1 with SelfAxis

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

the class XPathParser method parseForwardAxis.

/**
 * Parses the the rule ForwardAxis according to the following production rule:
 * <p>
 * [30] ForwardAxis ::= <"child" "::"> | <"descendant" "::"> | <"attribute" "::"> | <"self" "::">
 * | <"descendant-or-self" "::"> | <"following-sibling" "::"> | <"following" "::"> | <"namespace"
 * "::"> .
 * </p>
 *
 * @return axis
 * @throws SirixXPathException
 */
private Axis parseForwardAxis() throws SirixXPathException {
    final Axis axis;
    if (is("child", true)) {
        axis = new ChildAxis(getTransaction());
    } else if (is("descendant", true)) {
        axis = new DescendantAxis(getTransaction());
    } else if (is("descendant-or-self", true)) {
        axis = new DescendantAxis(getTransaction(), IncludeSelf.YES);
    } else if (is("attribute", true)) {
        axis = new AttributeAxis(getTransaction());
    } else if (is("self", true)) {
        axis = new SelfAxis(getTransaction());
    } else if (is("following", true)) {
        axis = new FollowingAxis(getTransaction());
    } else if (is("following-sibling", true)) {
        axis = new FollowingSiblingAxis(getTransaction());
    } else {
        is("namespace", true);
        throw EXPathError.XPST0010.getEncapsulatedException();
    }
    consume(TokenType.COLON, true);
    consume(TokenType.COLON, true);
    return axis;
}

Example 2 with SelfAxis

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

the class ExpressionSingleTest method testAdd.

@Test
public void testAdd() throws SirixException {
    // Verify.
    final ExpressionSingle builder = new ExpressionSingle();
    // test one axis
    AbstractAxis self = new SelfAxis(holder.getReader());
    builder.add(self);
    assertEquals(builder.getExpr(), self);
    // test 2 axis
    AbstractAxis axis1 = new SelfAxis(holder.getReader());
    AbstractAxis axis2 = new SelfAxis(holder.getReader());
    builder.add(axis1);
    builder.add(axis2);
    assertTrue(builder.getExpr() instanceof NestedAxis);
}

Example 3 with SelfAxis

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

the class XPathParser method parseContextItemExpr.

/**
 * Parses the the rule ContextItemExpr according to the following production rule:
 * <p>
 * [46] ContextItemExpr ::= "." .
 * </p>
 */
private void parseContextItemExpr() {
    consume(TokenType.POINT, true);
    mPipeBuilder.addStep(new SelfAxis(getTransaction()));
}