Examples of org.pdf4j.saxon.event.TreeReceiver

org.pdf4j.saxon.event.TreeReceiver
A TreeReceiver acts as a bridge between a SequenceReceiver, which can receive events for constructing any kind of sequence, and an ordinary Receiver, which only handles events relating to the building of trees. To do this, it has to process any items added to the sequence using the append() interface; all other events are passed through unchanged.
If atomic items are appended to the sequence, then adjacent atomic items are turned in to a text node by converting them to strings and adding a single space as a separator.

If a document node is appended to the sequence, then the document node is ignored and its children are appended to the sequence.

If any other node is appended to the sequence, then it is pushed to the result as a sequence of Receiver events, which may involve walking recursively through the contents of a tree.

    public void writeXdmValue(XdmValue value, Destination destination) throws SaxonApiException {
        try {
            Receiver out = destination.getReceiver(config);
            out.setPipelineConfiguration(config.makePipelineConfiguration());
            out = new NamespaceReducer(out);
            TreeReceiver tree = new TreeReceiver(out);
            tree.open();
            tree.startDocument(0);
            for (Iterator<XdmItem> it = value.iterator(); it.hasNext();) {
                XdmItem item = it.next();
                tree.append((Item)item.getUnderlyingValue(), 0, NodeInfo.ALL_NAMESPACES);
            }
            tree.endDocument();
            tree.close();
        } catch (XPathException err) {
            throw new SaxonApiException(err);
        }
    }

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            return current;
        } else if (pe instanceof StartDocumentEvent || pe instanceof StartElementEvent) {
            SubtreeIterator sub = new SubtreeIterator(base, pe);
            TinyBuilder builder = new TinyBuilder();
            builder.setPipelineConfiguration(pipe);
            TreeReceiver receiver = new TreeReceiver(builder);
            builder.setPipelineConfiguration(pipe);
            EventIteratorToReceiver.copy(sub, receiver);
            current = builder.getCurrentRoot();
            position++;
            return current;

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        props = SaxonXQSequence.setDefaultProperties(props);
        try {
            SerializerFactory sf = config.getSerializerFactory();
            PipelineConfiguration pipe = config.makePipelineConfiguration();
            Receiver out = sf.getReceiver(result, pipe, props);
            TreeReceiver tr = new TreeReceiver(out);
            tr.open();
            tr.append(item, 0, NodeInfo.ALL_NAMESPACES);
            tr.close();
        } catch (XPathException e) {
            XQException xqe = new XQException(e.getMessage());
            xqe.initCause(e);
            throw xqe;
        }

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Related Classes of org.pdf4j.saxon.event.TreeReceiver

org.pdf4j.saxon.evpull.SequenceComposer

org.pdf4j.saxon.s9api.Processor

org.pdf4j.saxon.xqj.SaxonXQItem

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