Examples of client.net.sf.saxon.ce.om.Item

client.net.sf.saxon.ce.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

        try {
            FastStringBuffer sb = new FastStringBuffer(FastStringBuffer.SMALL);
            int count = 0;
            sb.append(" (");
            while (true) {
                Item next = seq.next();
                if (next == null) {
                    sb.append(") ");
                    return sb.toString();
                }
                if (count++ > 0) {

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    * Evaluate as an Item.
    */


    public Item evaluateItem(XPathContext context) throws XPathException {
        SequenceIterator iter = operand.iterate(context);
        Item item = null;
        while (true) {
            Item nextItem = iter.next();
            if (nextItem == null) break;
            if (requiredCardinality == StaticProperty.EMPTY) {
                typeError("An empty sequence is required as the " +
                    role.getMessage(), role.getErrorCode(), context);
                return null;

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            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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                throw e;
            }
            if (b) {
                
              enterConditionTrace(i);
                Item result = actions[i].evaluateItem(context);
                leaveConditionTrace(i);


                return result;
            }
        }

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        } else {
            NodeInfo source;
            if (select != null) {
                source = (NodeInfo) select.evaluateItem(context);
            } else {
                Item item = context.getContextItem();
                if (!(item instanceof NodeInfo)) {
                    XPathException err = new XPathException("context item for xsl:number must be a node");
                    err.setErrorCode("XTTE0990");
                    err.setIsTypeError(true);
                    err.setXPathContext(context);

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     */


    public Item evaluateItem(XPathContext context) throws XPathException {
        try {
            CharSequence val;
            Item item = select.evaluateItem(context);
            if (item == null) {
                if (noNodeIfEmpty) {
                    return null;
                } else {
                    val = "";
                }
            } else {
                val = item.getStringValueCS();
            }
            Orphan o = new Orphan(context.getController().getConfiguration());
            o.setNodeKind(Type.TEXT);
            o.setStringValue(val);
            return o;

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Related Classes of client.net.sf.saxon.ce.om.Item

client.net.sf.saxon.ce.expr.AdjacentTextNodeMerger

client.net.sf.saxon.ce.expr.AtomicSequenceConverter

client.net.sf.saxon.ce.expr.Atomizer

client.net.sf.saxon.ce.expr.CardinalityChecker

client.net.sf.saxon.ce.expr.CastableExpression

client.net.sf.saxon.ce.expr.ContextItemExpression

client.net.sf.saxon.ce.expr.ContextMappingIterator

client.net.sf.saxon.ce.expr.Expression

client.net.sf.saxon.ce.expr.FilterIterator

client.net.sf.saxon.ce.expr.ForExpression

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