Examples of com.caucho.xpath.Expr

com.caucho.xpath.Expr
Compute values from nodes. Because the expressions themselves are untyped, the class provides methods for creating the type of the desired result.

      name = printSelectBegin(select.getParent(), isForEach, loopVar);


      println(posId + "++;");
      
      FilterPattern pat = (FilterPattern) select;
      Expr expr = pat.getExpr();


      if (expr instanceof NumericExpr) {
        NumericExpr num = (NumericExpr) expr;
        if (num.isConstant()) {
          println("if (" + posId + " > " + (int) num.getValue() + ")");

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    else if (select instanceof FilterPattern) {
      if (! allowJavaSelect(select.getParent()))
        return false;


      Expr expr = ((FilterPattern) select).getExpr();


      return ((expr instanceof NumericExpr) &&
              ((NumericExpr) expr).isConstant());
    }

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    int i = _exprMap.get(exprString);


    if (i >= 0)
      return i;
    
    Expr expr = parseExpr(exprString);
    i = _exprs.size();
    _exprs.add(expr);


    _exprMap.put(exprString, i);

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      print("new com.caucho.xsl.Sort[] {");
      
      for (int j = 0; j < sorts.length; j++) {
        Sort sort = sorts[j];


        Expr lang = sort.getLang();
        Expr caseOrder = sort.getCaseOrder();


        if (lang != null || caseOrder != null) {
          print("new com.caucho.xsl.Sort(\"" + sort.getExpr() + "\", " +
                "\"" + sort.getAscending() + "\", " +
                (lang == null ? "null, " : "\"" + lang + "\", ") +

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    println("_exprs = new Expr[] { ");
    pushDepth();


    for (int i = 0; i < _exprs.size(); i++) {
      Expr expr = _exprs.get(i);


      println("XPath.parseExpr(\"" + expr + "\"),");


      // System.out.println("EXPR: " + expr + " " + expr.getListContext());
      /*

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      String select = elt.getAttribute("select");
      if (select.equals(""))
        throw error(L.l("{0} expects attribute `{1}'",
                        "xsl:sort", "select"));


      Expr expr = parseExpr(select);
      String order = elt.getAttribute("order");
      Expr isAscending = null;
      if (order.equals("")) {
        isAscending = parseExpr("true()");
      }
      else if (order.startsWith("{") && order.endsWith("}")) {
        order = order.substring(1, order.length() - 1);

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   * Generates the sort value.
   */
  public Sort generateSort()
    throws Exception
  {
    Expr expr = parseExpr(_select);


    Expr isAscending = constructBoolean(_order, "ascending");
    Expr caseOrder = constructBoolean(_caseOrder, "upper-first");


    if (_caseOrder == null)
      caseOrder = null;
      
    boolean isText = ! "number".equals(_dataType);

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      name = printSelectBegin(out, select.getParent(), isForEach, loopVar);


      out.println(posId + "++;");
      
      FilterPattern pat = (FilterPattern) select;
      Expr expr = pat.getExpr();


      if (expr instanceof NumericExpr) {
        NumericExpr num = (NumericExpr) expr;
        if (num.isConstant()) {
          out.println("if (" + posId + " > " + (int) num.getValue() + ")");

View Full Code Here


    else if (select instanceof FilterPattern) {
      if (! allowJavaSelect(select.getParent()))
        return false;


      Expr expr = ((FilterPattern) select).getExpr();


      return ((expr instanceof NumericExpr) &&
              ((NumericExpr) expr).isConstant());
    }

View Full Code Here

    }
    
    boolean []ascendingList = new boolean[sortList.length];


    for (int i = 0; i < ascendingList.length; i++) {
      Expr isAscending = sortList[i].getAscending();
      if (isAscending == null || isAscending.evalBoolean(node, env))
        ascendingList[i] = true;
    }


    Comparator []comparatorList = new Comparator[sortList.length];


    for (int i = 0; i < comparatorList.length; i++) {
      Expr langExpr = sortList[i].getLang();
      String lang = null;


      if (langExpr != null) {
        lang = langExpr.evalString(node, env);
      }


      if (lang != null)
        comparatorList[i] = getComparator(lang);
    }


    int []caseOrderList = new int[sortList.length];


    for (int i = 0; i < caseOrderList.length; i++) {
      Expr caseOrder = sortList[i].getCaseOrder();
      if (caseOrder == null)
        caseOrderList[i] = Sort.NO_CASE_ORDER;
      else if (caseOrder.evalBoolean(node, env))
        caseOrderList[i] = Sort.UPPER_FIRST;
      else
        caseOrderList[i] = Sort.LOWER_FIRST;
    }

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Related Classes of com.caucho.xpath.Expr

com.caucho.quercus.lib.dom.DOMXPath

com.caucho.xpath.expr.FunExpr

com.caucho.xpath.expr.NewJavaExpr

com.caucho.xpath.expr.ObjectJavaExpr

com.caucho.xpath.expr.ObjectVar

com.caucho.xpath.expr.StaticJavaExpr

com.caucho.xpath.expr.Var

com.caucho.xpath.pattern.FromExpr

com.caucho.xpath.pattern.NodeArrayListIterator

com.caucho.xpath.pattern.NodeIterator

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