Package org.pdf4j.saxon.om

Examples of org.pdf4j.saxon.om.SequenceIterator

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        } else {
            href = argument[0].evaluateItem(context).getStringValue();
        }

        CollectionURIResolver resolver = context.getConfiguration().getCollectionURIResolver();
        SequenceIterator iter;
        try {
            iter = resolver.resolve(href, expressionBaseURI, context);
        } catch (XPathException e) {
            e.setLocator(this);
            throw e;
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    * Evaluate the function to return an iteration of selected nodes.
    */

    public SequenceIterator iterate(XPathContext context) throws XPathException {
        GenericAtomicComparer comparer = getAtomicComparer(2, context);
        SequenceIterator seq = argument[0].iterate(context);
        AtomicValue val = (AtomicValue)argument[1].evaluateItem(context);
        return new IndexIterator(seq, val, comparer);
    }
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            return baseProps;
        }
    }

    public SequenceIterator iterate(XPathContext context) throws XPathException {
        SequenceIterator forwards = argument[0].iterate(context);
        if (forwards instanceof ReversibleIterator) {
            return ((ReversibleIterator)forwards).getReverseIterator();
        } else {
            SequenceExtent extent = new SequenceExtent(forwards);
            return extent.reverseIterate();
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            int type = argument[0].getItemType(context.getConfiguration().getTypeHierarchy()).getPrimitiveType();
            comp = makeAtomicSortComparer(type, context);
        } else {
            comp = comp.provideContext(context);
        }
        SequenceIterator iter = argument[0].iterate(context);
        return new DistinctIterator(iter, comp);
    }
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    }

    public XQResultSequence executeQuery() throws XQException {
        checkNotClosed();
        try {
            SequenceIterator iter = expression.iterator(context);
            if (scrollable) {
                Value value = Value.asValue(SequenceExtent.makeSequenceExtent(iter));
                return new SaxonXQSequence(value, this);
            } else {
                return new SaxonXQForwardSequence(iter, this);
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        checkOnlyReadOnce();
        if (props == null) {
            props = new Properties();
        }
        props = SaxonXQSequence.setDefaultProperties(props);
        SequenceIterator iter = iterator;
        if (isOnItem()) {
            iter = new Insert.InsertIterator(
                    SingletonIterator.makeIterator(iter.current()),
                    iter, 0);
        }
        try {
            QueryResult.serializeSequence(iter, getConfiguration(), os, props);
        } catch (XPathException e) {
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        if (ow instanceof PrintWriter) {
            pw = (PrintWriter)ow;
        } else {
            pw = new PrintWriter(ow);
        }
        SequenceIterator iter = iterator;
        if (isOnItem()) {
            iter = new Insert.InsertIterator(
                    SingletonIterator.makeIterator(iter.current()),
                    iter, 0);
        }
        try {
            QueryResult.serializeSequence(iter, getConfiguration(), pw, props);
        } catch (XPathException e) {
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                }
            }
            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),
                //  or a SequenceIterator (any sequence)

                if (obj != null) {
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        }
        base.close();
    }

    public SequenceIterator getAnother() throws XPathException {
        SequenceIterator newBase = base.getAnother();
        MappingFunction newAction = action instanceof StatefulMappingFunction ?
                ((StatefulMappingFunction)action).getAnother() :
                action;
        return new MappingIterator(newBase, newAction);
    }
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    public SequenceIterator iterate(final XPathContext context) throws XPathException {

        // This class delivers the result of the expression in unsorted order,
        // without removal of duplicates.

        SequenceIterator result = start.iterate(context);
        XPathContext context2 = context.newMinorContext();
        context2.setCurrentIterator(result);
        context2.setOrigin(this);
        context2.setOriginatingConstructType(Location.PATH_EXPRESSION);
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Related Classes of org.pdf4j.saxon.om.SequenceIterator

  • org.pdf4j.saxon.dom.DOMNodeList
  • org.pdf4j.saxon.evpull.Decomposer
  • org.pdf4j.saxon.expr.AtomicMappingExpression
  • org.pdf4j.saxon.expr.AtomicSequenceConverter
  • org.pdf4j.saxon.expr.CardinalityChecker
  • org.pdf4j.saxon.expr.CastableExpression
  • org.pdf4j.saxon.expr.ContextMappingIterator
  • org.pdf4j.saxon.expr.FilterIterator
  • org.pdf4j.saxon.expr.FirstItemExpression
  • org.pdf4j.saxon.expr.ForExpression
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