Examples of XPathEvaluator

com.envoisolutions.sxc.xpath.XPathEvaluator
dk.brics.xpath.evaluator.XPathEvaluator
net.sf.saxon.sxpath.XPathEvaluator
This class provide a native Saxon API for free-standing evaluation of XPath expressions. Unlike the JAXP API offered by {@link net.sf.saxon.xpath.XPathEvaluator} it exposes Saxon classes and interfacesand thus provides a more strongly-typed interface with greater control over the detailed behaviour. @author Michael H. Kay @since 8.4
net.sf.saxon.xpath.XPathEvaluator

XPathEvaluator provides a simple API for standalone XPath processing (that is, executing XPath expressions in the absence of an XSLT stylesheet). It is an implementation of the JAXP 1.3 XPath interface, with additional methods provided (a) for backwards compatibility (b) to give extra control over the XPath evaluation, and (c) to support XPath 2.0.

It is intended to evolve this so that it only supports the JAXP style of operation. Some of the methods are therefore marked as deprecated in this release, and will be dropped in a future release.

For an alternative XPath API, offering more direct access to Saxon capabilities, see {@link net.sf.saxon.sxpath.XPathEvaluator}.

Note that the XPathEvaluator links to a Saxon {@link Configuration}object. By default a new Configuration is created automatically. In many applications, however, it is desirable to share a configuration. The default configuration is not schema aware. All source documents used by XPath expressions under this evaluator must themselves be built using the Configuration used by this evaluator.
@author Michael H. Kay
org.dbwiki.data.query.xpath.XPathEvaluator
org.pdf4j.saxon.sxpath.XPathEvaluator
This class provide a native Saxon API for free-standing evaluation of XPath expressions. Unlike the JAXP API offered by {@link org.pdf4j.saxon.xpath.XPathEvaluator} it exposes Saxon classes and interfacesand thus provides a more strongly-typed interface with greater control over the detailed behaviour. @author Michael H. Kay @since 8.4
org.pdf4j.saxon.xpath.XPathEvaluator

XPathEvaluator provides a simple API for standalone XPath processing (that is, executing XPath expressions in the absence of an XSLT stylesheet). It is an implementation of the JAXP 1.3 XPath interface, with additional methods provided (a) for backwards compatibility (b) to give extra control over the XPath evaluation, and (c) to support XPath 2.0.

It is intended to evolve this so that it only supports the JAXP style of operation. Some of the methods are therefore marked as deprecated in this release, and will be dropped in a future release.

For an alternative XPath API, offering more direct access to Saxon capabilities, see {@link org.pdf4j.saxon.sxpath.XPathEvaluator}.

Note that the XPathEvaluator links to a Saxon {@link Configuration}object. By default a new Configuration is created automatically. In many applications, however, it is desirable to share a configuration. The default configuration is not schema aware. All source documents used by XPath expressions under this evaluator must themselves be built using the Configuration used by this evaluator.
@author Michael H. Kay
org.w3c.dom.xpath.XPathEvaluator
3.org/2002/08/WD-DOM-Level-3-XPath-20020820'>Document Object Model (DOM) Level 3 XPath Specification.
us.codecraft.xsoup.XPathEvaluator

Examples of org.pdf4j.saxon.sxpath.XPathEvaluator


    public static void main(String[] args) throws Exception {
        Configuration config = new Configuration();
        Expression exp;
        if (args[0].equals("xpath")) {
            XPathEvaluator xpath = new XPathEvaluator(config);
            XPathExpression xpexp = xpath.createExpression(args[1]);
            exp = xpexp.getInternalExpression();
        } else if (args[0].equals("xquery")) {
            StaticQueryContext sqc = new StaticQueryContext(config);
            sqc.setBaseURI(new File(args[1]).toURI().toString());
            XQueryExpression xqe = sqc.compileQuery(new FileReader(args[1]));

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Examples of org.pdf4j.saxon.sxpath.XPathEvaluator

     * @throws SaxonApiException if any static error is detected while analyzing the expression
     */


    public XPathExecutable compile(String source) throws SaxonApiException {
        try {
            XPathEvaluator eval = new XPathEvaluator(processor.getUnderlyingConfiguration());
            eval.setStaticContext(env);
            XPathExpression cexp = eval.createExpression(source);
            return new XPathExecutable(cexp, processor, env, declaredVariables);
        } catch (XPathException e) {
            throw new SaxonApiException(e);
        }
    }

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Examples of org.pdf4j.saxon.sxpath.XPathEvaluator

     * @since 9.1
     */


    public XPathExecutable compilePattern(String source) throws SaxonApiException {
        try {
            XPathEvaluator eval = new XPathEvaluator(processor.getUnderlyingConfiguration());
            eval.setStaticContext(env);
            XPathExpression cexp = eval.createPattern(source);
            return new XPathExecutable(cexp, processor, env, declaredVariables);
        } catch (XPathException e) {
            throw new SaxonApiException(e);
        }
    }

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Examples of org.pdf4j.saxon.sxpath.XPathEvaluator

        if (argument.length > 2) {
            Value errorObject = ((Value)SequenceExtent.makeSequenceExtent(argument[2].iterate(context))).reduce();
            if (errorObject instanceof SingletonNode) {
                NodeInfo root = ((SingletonNode)errorObject).getNode();
                if (root.getNodeKind() == Type.DOCUMENT) {
                    XPathEvaluator xpath = new XPathEvaluator();
                    XPathExpression exp = xpath.createExpression("/error/@module");
                    NodeInfo moduleAtt = (NodeInfo)exp.evaluateSingle(root);
                    String module = (moduleAtt == null ? null : moduleAtt.getStringValue());
                    exp = xpath.createExpression("/error/@line");
                    NodeInfo lineAtt = (NodeInfo)exp.evaluateSingle(root);
                    int line = (lineAtt == null ? -1 : Integer.parseInt(lineAtt.getStringValue()));
                    exp = xpath.createExpression("/error/@column");
                    NodeInfo columnAtt = (NodeInfo)exp.evaluateSingle(root);
                    int column = (columnAtt == null ? -1 : Integer.parseInt(columnAtt.getStringValue()));
                    ExpressionLocation locator = new ExpressionLocation();
                    locator.setSystemId(module);
                    locator.setLineNumber(line);

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Examples of org.pdf4j.saxon.xpath.XPathEvaluator

    public static void main (String[] args) throws Exception {
        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
        factory.setNamespaceAware(true);
        DocumentBuilder db = factory.newDocumentBuilder();
        Document doc = db.newDocument();
        XPathEvaluator xpe = new XPathEvaluator();
        String exp = "ext:sortArrayToNodeList(('fred', 'jane', 'anne', 'sue'))";
        xpe.setNamespaceContext(new NamespaceContext() {
            public String getNamespaceURI(String prefix) {
                return (prefix.equals("ext") ? "java:org.orbeon.saxon.dom.DOMObjectModel" : null);
            }
            public String getPrefix(String namespaceURI) {
                return null;
            }
            public Iterator getPrefixes(String namespaceURI) {
                return null;
            }
        });
        NodeList isList = (NodeList)xpe.evaluate(exp, doc, XPathConstants.NODESET);
        System.err.println("length " + isList.getLength());
    }

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Examples of org.w3c.dom.xpath.XPathEvaluator

             * provide one for us, which means prefixes will not be resolved
             * in the query (Xalan will just throw an error if a prefix
             * is used).  In the future we may want to revisit this
             * to make it easier for users to query based on namespaces.
             */
            XPathEvaluator eval = (XPathEvaluator)
                dBuilder.getDOMImplementation().getFeature("+XPath", "3.0");
            query = eval.createExpression(queryExpr, null);


            this.queryExpr = queryExpr;
            this.opName = opName;
            this.recompileQuery = false;

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Examples of org.w3c.dom.xpath.XPathEvaluator


      // Use the DOM L3 XPath API to apply the xpath expression to the doc.
      System.out.println("Querying DOM using "+xpath);
      
      // Create an XPath evaluator and pass in the document.
      XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
      XPathNSResolver resolver = evaluator.createNSResolver(doc);
      
      // Evaluate the xpath expression
      XPathResult result = (XPathResult)evaluator.evaluate(xpath, doc, resolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
      


      // Serialize the found nodes to System.out.
      System.out.println("<output>");

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Examples of org.w3c.dom.xpath.XPathEvaluator


      // Use the DOM L3 XPath API to apply the xpath expression to the doc.
      System.out.println("Querying DOM using "+xpath);
      
      // Create an XPath evaluator and pass in the document.
      XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
      XPathNSResolver resolver = evaluator.createNSResolver(doc);
      
      // Evaluate the xpath expression
      XPathResult result = (XPathResult)evaluator.evaluate(xpath, doc, resolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
      


      // Serialize the found nodes to System.out.
      System.out.println("<output>");

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Examples of org.w3c.dom.xpath.XPathEvaluator


      // Use the DOM L3 XPath API to apply the xpath expression to the doc.
      System.out.println("Querying DOM using "+xpath);
      
      // Create an XPath evaluator and pass in the document.
      XPathEvaluator evaluator = new XPathEvaluatorImpl(doc);
      XPathNSResolver resolver = evaluator.createNSResolver(doc);
      
      // Evaluate the xpath expression
      XPathResult result = (XPathResult)evaluator.evaluate(xpath, doc, resolver, XPathResult.UNORDERED_NODE_ITERATOR_TYPE, null);
      


      // Serialize the found nodes to System.out.
      System.out.println("<output>");

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Examples of org.w3c.dom.xpath.XPathEvaluator

             * provide one for us, which means prefixes will not be resolved
             * in the query (Xalan will just throw an error if a prefix
             * is used).  In the future we may want to revisit this
             * to make it easier for users to query based on namespaces.
             */
            XPathEvaluator eval = (XPathEvaluator)
                dBuilder.getDOMImplementation().getFeature("+XPath", "3.0");
            query = eval.createExpression(queryExpr, null);


            this.queryExpr = queryExpr;
            this.opName = opName;
            this.recompileQuery = false;

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