Examples with NodeProxy org.exist.dom.persistent.NodeProxy used on opensource projects

Example 16 with NodeProxy

use of org.exist.dom.persistent.NodeProxy in project exist by eXist-db.

the class AddMatch method eval.

@Override
public Sequence eval(final Sequence[] args, final Sequence contextSequence) throws XPathException {
    if (args[0].isEmpty()) {
        return args[0];
    }
    final NodeValue nv = (NodeValue) args[0].itemAt(0);
    if (!nv.isPersistentSet()) {
        return nv;
    }
    final NodeProxy node = (NodeProxy) nv;
    final int thisLevel = node.getNodeId().getTreeLevel();
    String matchStr = null;
    NodeId nodeId = null;
    try {
        for (final XMLStreamReader reader = context.getBroker().getXMLStreamReader(node, true); reader.hasNext(); ) {
            final int status = reader.next();
            if (status == XMLStreamConstants.CHARACTERS) {
                matchStr = reader.getText();
                nodeId = (NodeId) reader.getProperty(ExtendedXMLStreamReader.PROPERTY_NODE_ID);
                break;
            }
            final NodeId otherId = (NodeId) reader.getProperty(ExtendedXMLStreamReader.PROPERTY_NODE_ID);
            final int otherLevel = otherId.getTreeLevel();
            if (status == XMLStreamConstants.END_ELEMENT && otherLevel == thisLevel) {
                // exit-for
                break;
            }
        }
    } catch (IOException | XMLStreamException e) {
        throw new XPathException(this, ErrorCodes.FOER0000, "Exception caught while reading document");
    }
    if (nodeId != null) {
        Match match = new NGramMatch(getContextId(), node.getNodeId(), matchStr);
        match.addOffset(0, matchStr.length());
        node.addMatch(match);
    }
    return node;
}

Example 17 with NodeProxy

use of org.exist.dom.persistent.NodeProxy in project exist by eXist-db.

the class FastQSort method IntroSortLoopByNodeId.

private static final void IntroSortLoopByNodeId(NodeProxy[] a, int l, int r, int maxdepth) // ----------------------------------------------------
{
    while ((r - l) > M) {
        if (maxdepth <= 0) {
            HeapSort.sortByNodeId(a, l, r);
            return;
        }
        maxdepth--;
        int i = (l + r) / 2;
        int j;
        NodeProxy partionElement;
        // the array.
        if (a[l].getNodeId().compareTo(a[i].getNodeId()) > 0) // Tri-Median Methode!
        {
            SwapVals.swap(a, l, i);
        }
        if (a[l].getNodeId().compareTo(a[r].getNodeId()) > 0) {
            SwapVals.swap(a, l, r);
        }
        if (a[i].getNodeId().compareTo(a[r].getNodeId()) > 0) {
            SwapVals.swap(a, i, r);
        }
        partionElement = a[i];
        // loop through the array until indices cross
        i = l + 1;
        j = r - 1;
        while (i <= j) {
            // the partionElement starting from the leftIndex.
            while ((i < r) && (partionElement.getNodeId().compareTo(a[i].getNodeId()) > 0)) ++i;
            // the partionElement starting from the rightIndex.
            while ((j > l) && (partionElement.getNodeId().compareTo(a[j].getNodeId()) < 0)) --j;
            // if the indexes have not crossed, swap
            if (i <= j) {
                SwapVals.swap(a, i, j);
                ++i;
                --j;
            }
        }
        // must now sort the left partition.
        if (l < j) {
            IntroSortLoopByNodeId(a, l, j, maxdepth);
        }
        // must now sort the right partition.
        if (i >= r) {
            break;
        }
        l = i;
    }
}

Example 18 with NodeProxy

use of org.exist.dom.persistent.NodeProxy in project exist by eXist-db.

the class DocumentNameOrId method getResourceByAbsoluteId.

private Sequence getResourceByAbsoluteId(final IntegerValue ivAbsoluteId) throws XPathException, PermissionDeniedException, LockException, IOException {
    final BigInteger absoluteId = ivAbsoluteId.toJavaObject(BigInteger.class);
    final Tuple3<Integer, Integer, Byte> decoded = decodeAbsoluteResourceId(absoluteId);
    final DocumentImpl doc = context.getBroker().getResourceById(decoded._1, decoded._3, decoded._2);
    if (doc != null) {
        try (final ManagedDocumentLock docLock = context.getBroker().getBrokerPool().getLockManager().acquireDocumentReadLock(doc.getURI())) {
            if (doc instanceof BinaryDocument) {
                final BinaryDocument bin = (BinaryDocument) doc;
                final InputStream is = context.getBroker().getBinaryResource(bin);
                return Base64BinaryDocument.getInstance(context, is);
            } else {
                return new NodeProxy(doc);
            }
        }
    }
    return Sequence.EMPTY_SEQUENCE;
}

Example 19 with NodeProxy

use of org.exist.dom.persistent.NodeProxy in project exist by eXist-db.

the class FunDoctype method eval.

/* (non-Javadoc)
	 * @see org.exist.xquery.Expression#eval(org.exist.dom.persistent.DocumentSet, org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
	 */
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    final MutableDocumentSet docs = new DefaultDocumentSet();
    for (int i = 0; i < getArgumentCount(); i++) {
        final Sequence seq = getArgument(i).eval(contextSequence, contextItem);
        for (final SequenceIterator j = seq.iterate(); j.hasNext(); ) {
            final String next = j.nextItem().getStringValue();
            try {
                context.getBroker().getXMLResourcesByDoctype(next, docs);
            } catch (final PermissionDeniedException | LockException e) {
                LOG.error(e.getMessage(), e);
                throw new XPathException(this, e);
            }
        }
    }
    final NodeSet result = new ExtArrayNodeSet(1);
    for (final Iterator<DocumentImpl> i = docs.getDocumentIterator(); i.hasNext(); ) {
        result.add(new NodeProxy(i.next(), NodeId.DOCUMENT_NODE));
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 20 with NodeProxy

use of org.exist.dom.persistent.NodeProxy in project exist by eXist-db.

the class Modification method deepCopy.

protected Sequence deepCopy(Sequence inSeq) throws XPathException {
    context.pushDocumentContext();
    final MemTreeBuilder builder = context.getDocumentBuilder();
    final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder);
    final Serializer serializer = context.getBroker().borrowSerializer();
    serializer.setReceiver(receiver);
    try {
        final Sequence out = new ValueSequence();
        for (final SequenceIterator i = inSeq.iterate(); i.hasNext(); ) {
            Item item = i.nextItem();
            if (item.getType() == Type.DOCUMENT) {
                if (((NodeValue) item).getImplementationType() == NodeValue.PERSISTENT_NODE) {
                    final NodeHandle root = (NodeHandle) ((NodeProxy) item).getOwnerDocument().getDocumentElement();
                    item = new NodeProxy(root);
                } else {
                    item = (Item) ((Document) item).getDocumentElement();
                }
            }
            if (Type.subTypeOf(item.getType(), Type.NODE)) {
                if (((NodeValue) item).getImplementationType() == NodeValue.PERSISTENT_NODE) {
                    final int last = builder.getDocument().getLastNode();
                    final NodeProxy p = (NodeProxy) item;
                    serializer.toReceiver(p, false, false);
                    if (p.getNodeType() == Node.ATTRIBUTE_NODE) {
                        item = builder.getDocument().getLastAttr();
                    } else {
                        item = builder.getDocument().getNode(last + 1);
                    }
                } else {
                    ((org.exist.dom.memtree.NodeImpl) item).deepCopy();
                }
            }
            out.add(item);
        }
        return out;
    } catch (final SAXException | DOMException e) {
        throw new XPathException(this, e.getMessage(), e);
    } finally {
        context.getBroker().returnSerializer(serializer);
        context.popDocumentContext();
    }
}