Package net.sf.saxon.om

Examples of net.sf.saxon.om.Item

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     * it throws a type error if the underlying sequence is multi-valued.
    */

    public Item evaluateItem(XPathContext context) throws XPathException {
        int found = 0;
        Item result = null;
        SequenceIterator iter = operand.iterate(context);
        while (true) {
            Item item = iter.next();
            if (item == null) {
                break;
            }
            if (item instanceof AtomicValue) {
                if (found++ > 0) {
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     */

    public static String sum(XPathContext context, SequenceIterator nodes) throws XPathException {
        DurationValue tot = (DurationValue)DurationValue.makeDuration("PT0S");
        while (true) {
            Item it = nodes.next();
            if (it == null) {
                break;
            }
            ConversionResult cr = DurationValue.makeDuration(it.getStringValueCS());
            if (cr instanceof ValidationFailure) {
                return "";
            }
            tot = addDurationValues(tot, (DurationValue)cr, context);
            if (tot == null) {
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    /**
    * Evaluate the function
    */

    public Item evaluateItem(XPathContext c) throws XPathException {
        Item item = argument[0].evaluateItem(c);
        if (item == null) {
            return StringValue.EMPTY_STRING;
        }
        final CharSequence s = item.getStringValueCS();
        switch (operation) {
            case ENCODE_FOR_URI:
                return StringValue.makeStringValue(escape(s, "-_.~"));
            case IRI_TO_URI:
                return StringValue.makeStringValue(iriToUri(s));
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        // Find the first node in ns2 (in document order)

        GlobalOrderComparer comparer = GlobalOrderComparer.getInstance();
        while (true) {
            Item item = ns2.next();
            if (item == null) {
                if (first == null) {
                    return ns1;
                }
                break;
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        // Find the first node in ns2 (in document order)

        GlobalOrderComparer comparer = GlobalOrderComparer.getInstance();
        while (true) {
            Item item = ns2.next();
            if (item == null) {
                if (first == null) {
                    return ns1;
                } else {
                    break;
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    /**
    * Evaluate in a general context
    */

    public Item evaluateItem(XPathContext context) throws XPathException {
        Item arg0 = argument[0].evaluateItem(context);
        if (arg0==null) {
            return DoubleValue.NaN;
        }
        if (arg0 instanceof BooleanValue || arg0 instanceof NumericValue) {
            ConversionResult result = ((AtomicValue)arg0).convert(BuiltInAtomicType.DOUBLE, true, context);
            if (result instanceof ValidationFailure) {
                return DoubleValue.NaN;
            } else {
                return (AtomicValue)result;
            }
        }
        if (arg0 instanceof StringValue && !(arg0 instanceof AnyURIValue)) {
            CharSequence s = arg0.getStringValueCS();
            try {
                return new DoubleValue(Value.stringToNumber(s));
            } catch (NumberFormatException e) {
                return DoubleValue.NaN;
            }
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            }
            DocumentInfo doc = pool.find(documentKey);
            if (doc != null) {
                return true;
            }
            Item item = Document.makeDoc(href, expressionBaseURI, context, this);
            if (item != null) {
                return true;
            } else {
                // The document does not exist; ensure that this remains the case
                pool.markUnavailable(documentKey);
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    * Evaluate the expression
    */

    public Item evaluateItem(XPathContext context) throws XPathException {
        SequenceIterator iter = operand.iterate(context);
        Item result = iter.next();
        iter.close();
        return result;
    }
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     */


    public XdmItem evaluateSingle() throws SaxonApiException {
        try {
            Item i = exp.evaluateSingle(dynamicContext);
            if (i == null) {
                return null;
            }
            return (XdmItem) XdmValue.wrap(i);
        } catch (XPathException e) {
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    * @param context The context for the evaluation
    * @return the parent of the current node defined by the context
    */

    public NodeInfo getNode(XPathContext context) throws XPathException {
        Item item = context.getContextItem();
        if (item==null) {
            dynamicError("The context item is not set", "XPDY0002", context);
        }
        if (item instanceof NodeInfo) {
            return ((NodeInfo)item).getParent();
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Related Classes of net.sf.saxon.om.Item

  • edu.cmu.cs.fusion.xml.TypeComparisonCall
  • net.sf.saxon.dom.DOMNodeList
  • net.sf.saxon.expr.AppendExpression$AppendIterator
  • net.sf.saxon.expr.AppendIterator
  • net.sf.saxon.expr.AtomicSequenceConverter
  • net.sf.saxon.expr.CardinalityChecker
  • net.sf.saxon.expr.ComputedExpression
  • net.sf.saxon.expr.ContextItemExpression
  • net.sf.saxon.expr.ContextMappingIterator
  • net.sf.saxon.expr.ConvertToString
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