Examples with SequenceIterator org.exist.xquery.value.SequenceIterator used on opensource projects

Example 6 with SequenceIterator

use of org.exist.xquery.value.SequenceIterator in project exist by eXist-db.

the class Expand method eval.

public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    if (args[0].isEmpty()) {
        return Sequence.EMPTY_SEQUENCE;
    }
    // apply serialization options set on the XQuery context
    final Properties serializeOptions = new Properties();
    serializeOptions.setProperty(EXistOutputKeys.EXPAND_XINCLUDES, "yes");
    serializeOptions.setProperty(EXistOutputKeys.HIGHLIGHT_MATCHES, "elements");
    if (getArgumentCount() == 2) {
        final String serOpts = args[1].getStringValue();
        final String[] contents = Option.tokenize(serOpts);
        for (String content : contents) {
            final String[] pair = Option.parseKeyValuePair(content);
            if (pair == null) {
                throw new XPathException(this, "Found invalid serialization option: " + content);
            }
            logger.debug("Setting serialization property: {} = {}", pair[0], pair[1]);
            serializeOptions.setProperty(pair[0], pair[1]);
        }
    } else {
        context.checkOptions(serializeOptions);
    }
    context.pushDocumentContext();
    try {
        final InMemoryNodeSet result = new InMemoryNodeSet();
        final MemTreeBuilder builder = new MemTreeBuilder(getContext());
        final DocumentBuilderReceiver receiver = new DocumentBuilderReceiver(builder, true);
        int attrNr = -1;
        for (final SequenceIterator i = args[0].iterate(); i.hasNext(); ) {
            final NodeValue next = (NodeValue) i.nextItem();
            final short nodeType = ((INodeHandle) next).getNodeType();
            builder.startDocument();
            if (nodeType == Node.ATTRIBUTE_NODE) {
                // NOTE: Attributes nodes need special handling as they cannot be directly serialized via SAX to a ContentHandler
                final Attr attr = (Attr) next.getNode();
                String ns = attr.getNamespaceURI();
                if (ns == null || ns.isEmpty()) {
                    ns = XMLConstants.NULL_NS_URI;
                }
                attrNr = builder.addAttribute(new QName(attr.getLocalName(), ns), attr.getValue());
            } else {
                next.toSAX(context.getBroker(), receiver, serializeOptions);
            }
            builder.endDocument();
            if (Node.DOCUMENT_NODE == nodeType) {
                result.add(builder.getDocument());
            } else if (Node.ATTRIBUTE_NODE == nodeType) {
                result.add(builder.getDocument().getAttribute(attrNr));
            } else {
                result.add(builder.getDocument().getNode(1));
            }
            builder.reset(getContext());
        }
        return result;
    } catch (final SAXException e) {
        throw new XPathException(this, e);
    } finally {
        context.popDocumentContext();
    }
}

Example 7 with SequenceIterator

use of org.exist.xquery.value.SequenceIterator in project exist by eXist-db.

the class Shared method getUrls.

/**
 * Get URL values of sequence items.
 *
 * @param s Sequence
 * @return URLs of items in sequence
 * @throws XPathException Thrown when an item does not have an associated URL.
 */
public static String[] getUrls(Sequence s) throws XPathException {
    final ArrayList<String> urls = new ArrayList<>();
    final SequenceIterator i = s.iterate();
    while (i.hasNext()) {
        final Item next = i.nextItem();
        final String url = getUrl(next);
        urls.add(url);
    }
    String[] returnUrls = new String[urls.size()];
    returnUrls = urls.toArray(returnUrls);
    return returnUrls;
}

Example 8 with SequenceIterator

use of org.exist.xquery.value.SequenceIterator in project exist by eXist-db.

the class Insert method seq2nodeList.

private NodeList seq2nodeList(Sequence contentSeq) throws XPathException {
    final NodeListImpl nl = new NodeListImpl();
    for (final SequenceIterator i = contentSeq.iterate(); i.hasNext(); ) {
        final Item item = i.nextItem();
        if (Type.subTypeOf(item.getType(), Type.NODE)) {
            final NodeValue val = (NodeValue) item;
            nl.add(val.getNode());
        }
    }
    return nl;
}

Example 9 with SequenceIterator

use of org.exist.xquery.value.SequenceIterator in project exist by eXist-db.

the class TestCase method catchError.

public Exception catchError(Sequence result) {
    try {
        for (SequenceIterator i = result.iterate(); i.hasNext(); ) {
            Resource xmldbResource = getResource(i.nextItem());
            xmldbResource.getContent().toString();
        }
    } catch (Exception e) {
        return e;
    }
    return null;
}

Example 10 with SequenceIterator

use of org.exist.xquery.value.SequenceIterator in project exist by eXist-db.

the class Deployment method isResourceDir.

private boolean isResourceDir(final XmldbURI target, final InMemoryNodeSet resources) {
    // iterate here or pass into scandirectory directly or even save as class property???
    for (final SequenceIterator i = resources.iterate(); i.hasNext(); ) {
        final ElementImpl child = (ElementImpl) i.nextItem();
        final String resourcePath = child.getAttribute(RESOURCES_PATH_ATTRIBUTE);
        if (target.toString().endsWith(resourcePath)) {
            return true;
        }
    }
    return false;
}