Examples of org.apache.xpath.Expression

org.apache.xpath.Expression
This abstract class serves as the base for all expression objects. An Expression can be executed to return a {@link org.apache.xpath.objects.XObject}, normally has a location within a document or DOM, can send error and warning events, and normally do not hold state and are meant to be immutable once construction has completed. An exception to the immutibility rule is iterators and walkers, which must be cloned in order to be used -- the original must still be immutable.

      this.context = context;
      this.query = query;
      this.nsMap = nsMap;
      this.keys = keys;


      Expression ex = null;


      try
      {
        if (nsMap != null)
        {

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    case OpCodes.OP_EXTFUNCTION :
    case OpCodes.OP_FUNCTION :
    case OpCodes.OP_GROUP :
      prevIsOneStepDown = false;


      Expression expr;


      switch (stepType)
      {
      case OpCodes.OP_VARIABLE :
      case OpCodes.OP_EXTFUNCTION :

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          rth.processingInstruction(
            javax.xml.transform.Result.PI_DISABLE_OUTPUT_ESCAPING, "");


        try
        {
          Expression expr = m_selectExpression.getExpression();


          if (TransformerImpl.S_DEBUG)
          {
            XObject obj = expr.execute(xctxt);


            transformer.getTraceManager().fireSelectedEvent(current, this,
                    "select", m_selectExpression, obj);
            obj.dispatchCharactersEvents(rth);
          }
          else
          {
            expr.executeCharsToContentHandler(xctxt, rth);
          }
        }
        finally
        {
          if (m_disableOutputEscaping)

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    if(null != vvar)
    {
      XPath xpath = vvar.getSelect();
      if(null != xpath)
      {
        Expression expr = xpath.getExpression();
        if(null != expr && expr instanceof PathComponent)
        {
          return ((PathComponent)expr).getAnalysisBits();
        }
      }

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    // this third argument is not a locale name. It is the name of a
    // decimal-format declared in the stylesheet!(xsl:decimal-format
    try
    {
      Expression arg2Expr = getArg2();


      if (null != arg2Expr)
      {
        String dfName = arg2Expr.execute(xctxt).str();
        QName qname = new QName(dfName, xctxt.getNamespaceContext());


        dfs = ss.getDecimalFormatComposed(qname);


        if (null == dfs)

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    int docContext = dtm.getDocumentRoot(context);
    XObject arg = (XObject) this.getArg0().execute(xctxt);


    String base = "";
    Expression arg1Expr = this.getArg1();


    if (null != arg1Expr)
    {


      // The URI reference may be relative. The base URI (see [3.2 Base URI]) 
      // of the node in the second argument node-set that is first in document 
      // order is used as the base URI for resolving the 
      // relative URI into an absolute URI. 
      XObject arg2 = arg1Expr.execute(xctxt);


      if (XObject.CLASS_NODESET == arg2.getType())
      {
        int baseNode = arg2.iter().nextNode();

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    XPath matchXPath = template.getMatch();


    if (null != matchXPath)
    {
      Expression matchExpr = matchXPath.getExpression();


      if (matchExpr instanceof StepPattern)
      {
        insertPatternInTable((StepPattern) matchExpr, template);
      }

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    double priority = matchPat.getTemplate().getPriority();


    if (priority == XPath.MATCH_SCORE_NONE)
    {
      Expression ex = matchPat.getStepPattern();


      if (ex instanceof NodeTest)
      {
        return ((NodeTest) ex).getDefaultScore();
      }

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  public Expression compile(int opPos) throws TransformerException
  {


    int op = getOp(opPos);


    Expression expr = null;
    // System.out.println(getPatternString()+"op: "+op);
    switch (op)
    {
    case OpCodes.OP_XPATH :
      expr = compile(opPos + 2); break;

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    case OpCodes.OP_EXTFUNCTION :
    case OpCodes.OP_FUNCTION :
    case OpCodes.OP_GROUP :
      prevIsOneStepDown = false;


      Expression expr;


      switch (stepType)
      {
      case OpCodes.OP_VARIABLE :
      case OpCodes.OP_EXTFUNCTION :

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com.dbxml.db.common.xpath.XPathQuery

com.gargoylesoftware.htmlunit.html.xpath.XPathAdapter

org.apache.xalan.templates.ElemForEach

org.apache.xalan.templates.ElemValueOf

org.apache.xalan.templates.FuncDocument

org.apache.xalan.templates.FuncFormatNumb

org.apache.xalan.templates.RedundentExprEliminator

org.apache.xalan.templates.TemplateList

org.apache.xalan.templates.XUnresolvedVariableSimple

org.apache.xindice.core.query.XPathQueryResolver$XPathQuery

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