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

Example 41 with DescendantAxis

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

the class Matching method containedDescendants.

/**
 * Counts the number of descendant nodes in the subtrees of x and y that are also in the matching.
 *
 * @param nodeX first subtree root node
 * @param nodeY second subtree root node
 * @return number of descendant which have been matched
 */
public long containedDescendants(@Nonnegative final long nodeX, @Nonnegative final long nodeY) {
    long retVal = 0;
    mRtxOld.moveTo(nodeX);
    for (final Axis axis = new DescendantAxis(mRtxOld, IncludeSelf.YES); axis.hasNext(); ) {
        axis.next();
        retVal += mIsInSubtree.get(nodeY, partner(mRtxOld.getNodeKey())) ? 1 : 0;
        if (mRtxOld.getKind() == Kind.ELEMENT) {
            for (int i = 0, nspCount = mRtxOld.getNamespaceCount(); i < nspCount; i++) {
                mRtxOld.moveToNamespace(i);
                retVal += mIsInSubtree.get(nodeY, partner(axis.getTrx().getNodeKey())) ? 1 : 0;
                mRtxOld.moveToParent();
            }
            for (int i = 0, attCount = mRtxOld.getAttributeCount(); i < attCount; i++) {
                mRtxOld.moveToAttribute(i);
                retVal += mIsInSubtree.get(nodeY, partner(axis.getTrx().getNodeKey())) ? 1 : 0;
                mRtxOld.moveToParent();
            }
        }
    }
    return retVal;
}

Example 42 with DescendantAxis

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

the class StAXDiffSerializer method getElementText.

@Override
public String getElementText() throws XMLStreamException {
    final NodeReadTrx rtx = mAxis.getTransaction();
    final long nodeKey = rtx.getNodeKey();
    /*
		 * The cursor has to move back (once) after determining, that a closing tag
		 * would be the next event (precond: closeElement and either goBack or goUp
		 * is true).
		 */
    if (mCloseElements && mToLastKey) {
        rtx.moveTo(mLastKey);
    }
    if (mEvent.getEventType() != XMLStreamConstants.START_ELEMENT) {
        rtx.moveTo(nodeKey);
        throw new XMLStreamException("getElementText() only can be called on a start element");
    }
    final FilterAxis textFilterAxis = new FilterAxis(new DescendantAxis(rtx), new TextFilter(rtx));
    final StringBuilder strBuilder = new StringBuilder();
    while (textFilterAxis.hasNext()) {
        textFilterAxis.next();
        strBuilder.append(mAxis.getTransaction().getValue());
    }
    rtx.moveTo(nodeKey);
    return XMLToken.escapeContent(strBuilder.toString());
}

Example 43 with DescendantAxis

use of org.sirix.axis.DescendantAxis 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();
}

Example 44 with DescendantAxis

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

the class NodeCompTest method testAtomize.

@Test
public void testAtomize() throws SirixXPathException {
    Axis axis = new LiteralExpr(holder.getReader(), -2);
    axis.hasNext();
    axis.next();
    AtomicValue[] value = comparator.atomize(axis);
    assertEquals(value.length, 1);
    assertEquals(holder.getReader().getNodeKey(), value[0].getNodeKey());
    assertEquals("xs:integer", value[0].getType());
    try {
        axis = new DescendantAxis(holder.getReader());
        axis.hasNext();
        comparator.atomize(axis);
    } catch (SirixXPathException e) {
        assertEquals("err:XPTY0004 The type is not appropriate the expression or" + " the typedoes not match a required type as specified by the " + "matching rules.", e.getMessage());
    }
}