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.

        if (path == null)
          path = getStylePath().lookup("anonymous.xsl");


        Path stylePath = path.getParent();
      
        Expr expr = XPath.parseExpr("//xtp:directive.page/@language");
        String language = expr.evalString(xsl);


        String userName = path.getUserPath();
        String mangledName = getMangledName(userName);
      
        String encoding = XPath.evalString("//xsl:output/@encoding", xsl);

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        if (path == null)
          path = getStylePath().lookup("anonymous.xsl");


        Path stylePath = path.getParent();
      
        Expr expr = XPath.parseExpr("//xtp:directive.page/@language");
        String language = expr.evalString(xsl);


        String userName = path.getUserPath();
        String mangledName = getMangledName(userName);
      
        String encoding = XPath.evalString("//xsl:output/@encoding", xsl);

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  {
    // the JDKs xpath is extremely inefficient, causing benchmark
    // problems with mediawiki
    
    try {
      Expr expr = com.caucho.xpath.XPath.parseExpr(pattern);


      return (NodeList) expr.evalObject(node);
    } catch (Exception e) {
      throw new QuercusModuleException(e);
    }
  }

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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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    throws XPathException
  {
    Object []argArray = new Object[args.size()];


    for (int i = 0; i < argArray.length; i++) {
      Expr expr = (Expr) args.get(i);


      switch (argTypes[i]) {
      case J_BOOLEAN:
        argArray[i] = new Boolean(expr.evalBoolean(node, env));
        break;
      case J_BYTE:
        argArray[i] = new Byte((byte) expr.evalNumber(node, env));
        break;
      case J_SHORT:
        argArray[i] = new Short((short) expr.evalNumber(node, env));
        break;
      case J_INT:
        argArray[i] = new Integer((int) expr.evalNumber(node, env));
        break;
      case J_LONG:
        argArray[i] = new Long((long) expr.evalNumber(node, env));
        break;
      case J_FLOAT:
        argArray[i] = new Float((float) expr.evalNumber(node, env));
        break;
      case J_DOUBLE:
        argArray[i] = new Double(expr.evalNumber(node, env));
        break;
      case J_STRING:
        argArray[i] = expr.evalString(node, env);
        break;
      default:
        argArray[i] = expr.evalObject(node, env);
        break;
      }
    }


    try {

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    throws XPathException
  {
    Object []argArray = new Object[args.size()];


    for (int i = 0; i < argArray.length; i++) {
      Expr expr = (Expr) args.get(i);


      switch (argTypes[i]) {
      case J_BOOLEAN:
        argArray[i] = new Boolean(expr.evalBoolean(node, env));
        break;
      case J_BYTE:
        argArray[i] = new Byte((byte) expr.evalNumber(node, env));
        break;
      case J_SHORT:
        argArray[i] = new Short((short) expr.evalNumber(node, env));
        break;
      case J_INT:
        argArray[i] = new Integer((int) expr.evalNumber(node, env));
        break;
      case J_LONG:
        argArray[i] = new Long((long) expr.evalNumber(node, env));
        break;
      case J_FLOAT:
        argArray[i] = new Float((float) expr.evalNumber(node, env));
        break;
      case J_DOUBLE:
        argArray[i] = new Double(expr.evalNumber(node, env));
        break;
      case J_STRING:
        argArray[i] = expr.evalString(node, env);
        break;
      default:
        argArray[i] = expr.evalObject(node, env);
        break;
      }
    }


    try {

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        ! (method.getDeclaringClass().isAssignableFrom(obj.getClass())))
      throw new XPathException(L.l("Can't call method `{0}' on {1}.",
                                   method.getName(), obj));


    for (int i = 0; i < argArray.length; i++) {
      Expr expr = (Expr) args.get(i);


      switch (argTypes[i]) {
      case J_BOOLEAN:
        argArray[i] = new Boolean(expr.evalBoolean(node, env));
        break;
      case J_BYTE:
        argArray[i] = new Byte((byte) expr.evalNumber(node, env));
        break;
      case J_SHORT:
        argArray[i] = new Short((short) expr.evalNumber(node, env));
        break;
      case J_INT:
        argArray[i] = new Integer((int) expr.evalNumber(node, env));
        break;
      case J_LONG:
        argArray[i] = new Long((long) expr.evalNumber(node, env));
        break;
      case J_FLOAT:
        argArray[i] = new Float((float) expr.evalNumber(node, env));
        break;
      case J_DOUBLE:
        argArray[i] = new Double(expr.evalNumber(node, env));
        break;
      case J_STRING:
        argArray[i] = expr.evalString(node, env);
        break;
      default:
        argArray[i] = expr.evalObject(node, env);
        break;
      }
    }


    try {

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    }
    
    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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    if (fun == null)
      throw new RuntimeException("unknown function: " + _name);


    ArrayList<Object> values = new ArrayList<Object>();
    for (int i = 0; i < _args.size(); i++) {
      Expr expr = _args.get(i);
      values.add(expr.evalObject(node, env));
    }


    return fun.eval(node, env, _pattern, values);
  }

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      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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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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