Examples of net.sf.saxon.event.SequenceReceiver

net.sf.saxon.event.SequenceReceiver
SequenceReceiver: this extension of the Receiver interface is used when processing a sequence constructor. It differs from the Receiver in allowing items (atomic values or nodes) to be added to the sequence, not just tree-building events.


    public TailCall processLeavingTail(XPathContext context) throws XPathException {
        // TODO: we're always constructing the document in memory. Sometimes we could push it out directly.
        Item item = evaluateItem(context);
        if (item != null) {
            SequenceReceiver out = context.getReceiver();
            out.append(item, locationId, NodeInfo.ALL_NAMESPACES);
        }
        return null;
    }

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                result,
                true,
                Configuration.XSLT,
                validationAction,
                schemaType);
        SequenceReceiver out = c2.getReceiver();


        out.open();
        out.startDocument(0);
        content.process(c2);
        out.endDocument();
        out.close();
        if (resolver != null) {
            try {
                resolver.close(result);
            } catch (TransformerException e) {
                throw XPathException.makeXPathException(e);

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    public TailCall processLeavingTail(XPathContext context) throws XPathException {
        String expandedName = evaluateName(context);
        if (expandedName != null) {
            String data = expandChildren(context).toString();
            data = checkContent(data, context);
            SequenceReceiver out = context.getReceiver();
            out.processingInstruction(expandedName, data, locationId, 0);
        }
        return null;
    }

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     * @param context the dynamic evaluation context
     * @return Always returns null
     * @throws XPathException
     */
    public TailCall processLeavingTail(XPathContext context) throws XPathException {
        SequenceReceiver out = context.getReceiver();
        Item item = select.evaluateItem(context);
        if (item != null) {
            out.characters(item.getStringValueCS(), locationId, options);
        }
        return null;
    }

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     * @param context The dynamic context, giving access to the current node,
     *                the current variables, etc.
     */


    public void process(XPathContext context) throws XPathException {
        SequenceReceiver out = context.getReceiver();
        out.append(asItem(), 0, NodeInfo.ALL_NAMESPACES);
    }

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    public TailCall processLeavingTail(XPathContext context) throws XPathException {
        Controller controller = context.getController();
        XPathContext c2 = context.newMinorContext();
        c2.setOrigin(this);
        SequenceReceiver out = c2.getReceiver();
        TinyBuilder builder = new TinyBuilder();
        Receiver receiver = builder;
        PipelineConfiguration pipe = controller.makePipelineConfiguration();
        pipe.setHostLanguage(getContainer().getHostLanguage());
        receiver.setPipelineConfiguration(pipe);

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            de.setXPathContext(context);
            throw de;
        }
        if (reservoir != null) {
            SequenceIterator iter = iterate();
            SequenceReceiver out = context.getReceiver();
            while (true) {
                Item it = iter.next();
                if (it==null) break;
                out.append(it, 0, NodeInfo.ALL_NAMESPACES);
            }
        } else {
            state = BUSY;
            Controller controller = context.getController();
            XPathContext c2 = savedXPathContext.newMinorContext();

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    */


    public TailCall processLeavingTail(XPathContext context) throws XPathException
    {
        Controller controller = context.getController();
        SequenceReceiver out = context.getReceiver();
        int opt = options;
        int ann = annotation;


      // we may need to change the namespace prefix if the one we chose is
      // already in use with a different namespace URI: this is done behind the scenes
      // by the Outputter


        CharSequence value = expandChildren(context);  
        if (schemaType != null) {
            // test whether the value actually conforms to the given type
            ValidationFailure err = schemaType.validateContent(
                    value, DummyNamespaceResolver.getInstance(), context.getConfiguration().getNameChecker());
            if (err != null) {
                ValidationException verr = new ValidationException(
                        "Attribute value " + Err.wrap(value, Err.VALUE) +
                        " does not the match the required type " +
                        schemaType.getDescription() + ". " + err.getMessage());
                verr.setErrorCode("XTTE1540");
                verr.setLocator(this);
                throw verr;
            }
        } else if (validationAction==Validation.STRICT || validationAction==Validation.LAX) {
            try {
                ann = controller.getConfiguration().validateAttribute(
                        nameCode, value, validationAction);
            } catch (ValidationException e) {
                XPathException err = XPathException.makeXPathException(e);
                String errorCode = e.getErrorCodeLocalPart();
                if (errorCode == null) {
                    errorCode = (validationAction==Validation.STRICT ? "XTTE1510" : "XTTE1515");
                }
                err.setErrorCode(errorCode);
                err.setXPathContext(context);
                err.setLocator(this);
                err.setIsTypeError(true);
                throw err;
            }
        }
        try {
            out.attribute(nameCode, ann, value, locationId, opt);
        } catch (XPathException err) {
            throw dynamicError(this, err, context);
        }


        return null;

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    public void process(XPathContext context) throws XPathException {
        ValueRepresentation[] actualArgs = evaluateArguments(context);
        if (tailCall) {
            ((XPathContextMajor)context).requestTailCall(function, actualArgs);
        } else {
            SequenceReceiver out = context.getReceiver();
            XPathContextMajor c2 = context.newCleanContext();
            c2.setReceiver(out);
            c2.setOrigin(this);
            function.process(actualArgs, c2);
        }

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        ValueRepresentation[] actualArgs = evaluateArguments(context);
        if (tailCall) {
            ((XPathContextMajor)context).requestTailCall(function, actualArgs);
            return EmptyEventIterator.getInstance();
        } else {
            SequenceReceiver out = context.getReceiver();
            XPathContextMajor c2 = context.newCleanContext();
            c2.setReceiver(out);
            c2.setOrigin(this);
            return function.iterateEvents(actualArgs, c2);
        }

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