Examples of org.pdf4j.saxon.om.Item

org.pdf4j.saxon.om.Item
An Item is an object that can occur as a member of a sequence. It corresponds directly to the concept of an item in the XPath 2.0 data model. There are two kinds of Item: atomic values, and nodes.
This interface is part of the public Saxon API. As such (starting from Saxon 8.4), methods that form part of the stable API are labelled with a JavaDoc "since" tag to identify the Saxon release at which they were introduced.
Note: there is no method getItemType(). This is to avoid having to implement it on every implementation of NodeInfo. Instead, use the static method Type.getItemType(Item). @author Michael H. Kay @since 8.4

            XPathException e = new XPathException("There is no context item");
            e.setXPathContext(context);
            e.setErrorCode("XTDE0565");
            throw e;
        }
        Item currentItem = context.getCurrentIterator().current();
        if (!(currentItem instanceof NodeInfo)) {
            XPathException e = new XPathException("Cannot call xsl:next-match when context item is not a node");
            e.setXPathContext(context);
            e.setErrorCode("XTDE0565");
            throw e;

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            e.setXPathContext(context);
            e.setErrorCode("XTDE0565");
            e.setLocator(this);
            throw e;
        }
        Item currentItem = context.getCurrentIterator().current();
        if (!(currentItem instanceof NodeInfo)) {
            XPathException e = new XPathException("Cannot call xsl:apply-imports when context item is not a node");
            e.setXPathContext(context);
            e.setErrorCode("XTDE0565");
            e.setLocator(this);

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        c2.setOrigin(this);
        c2.setCurrentIterator(iter);
        c2.setCurrentRegexIterator(iter);


        while (true) {
            Item it = iter.next();
            if (it == null) {
                break;
            }
            if (iter.isMatching()) {
                if (matching != null) {

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        checkNotClosed();
        if (position < 0) {
            return false;
        }
        try {
            Item next = iterator.next();
            if (next == null) {
                position = -1;
                return false;
            } else {
                position++;

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        config = factory.getConfiguration();
    }


    //@SuppressWarnings({"ConstantConditions"})
    public Object toObject(XQItemAccessor xqItemAccessor) throws XQException {
        Item item = ((SaxonXQItemAccessor)xqItemAccessor).getSaxonItem();
        if (item instanceof AtomicValue) {
            AtomicValue p = ((AtomicValue)item);
            int t = p.getItemType(config.getTypeHierarchy()).getPrimitiveType();
            switch (t) {
                case StandardNames.XS_ANY_URI:

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        this.base = base;
        this.action = action;
    }


    public Item next() throws XPathException {
        Item nextItem;
        while (true) {
            if (results != null) {
                nextItem = results.next();
                if (nextItem != null) {
                    break;
                } else {
                    results = null;
                }
            }
            Item nextSource = base.next();
            if (nextSource != null) {
                // Call the supplied mapping function
                SequenceIterator obj = action.map(nextSource);


                // The result may be null (representing an empty sequence),

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     *          if any dynamic error occurs evaluating the
     *          expression
     */


    public boolean effectiveBooleanValue(XPathContext context) throws XPathException {
        Item contextItem = context.getContextItem();
        return (contextItem instanceof NodeInfo) && pattern.matches(((NodeInfo)contextItem), context);
    }

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    private void advance() throws XPathException {
        currentMembers = new ArrayList(20);
        currentMembers.add(current);
        while (true) {
            Item nextCandidate = population.next();
            if (nextCandidate == null) {
                break;
            }
            AtomicValue candidateKey =
                    (AtomicValue)keyExpression.evaluateItem(runningContext);

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        count = 0;


        // initialise the array with data


        while (true) {
            Item item = base.next();
            if (item == null) {
                break;
            }
            if (count==allocated) {
                allocated *= 2;

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        HashMap index = new HashMap(40);
        XPathContext c2 = keyContext.newMinorContext();
        c2.setCurrentIterator(population);
        c2.setOriginatingConstructType(Location.GROUPING_KEY);
        while (true) {
            Item item = population.next();
            if (item==null) {
                break;
            }
            SequenceIterator keys = keyExpression.iterate(c2);
            boolean firstKey = true;

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Related Classes of org.pdf4j.saxon.om.Item

org.pdf4j.saxon.dom.DOMNodeList

org.pdf4j.saxon.event.SequenceCopier

org.pdf4j.saxon.evpull.EventMappingIterator

org.pdf4j.saxon.expr.AppendIterator

org.pdf4j.saxon.expr.AtomicSequenceConverter

org.pdf4j.saxon.expr.CardinalityChecker

org.pdf4j.saxon.expr.CastableExpression

org.pdf4j.saxon.expr.ContextItemExpression

org.pdf4j.saxon.expr.ContextMappingIterator

org.pdf4j.saxon.expr.EveryItemMappingIterator

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