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src/java.xml/share/classes/com/sun/org/apache/xpath/internal/axes/FilterExprWalker.java

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   1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
   3  * @LastModified: Oct 2017
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.xpath.internal.axes;
  23 
  24 import com.sun.org.apache.xml.internal.dtm.Axis;
  25 import com.sun.org.apache.xml.internal.dtm.DTM;
  26 import com.sun.org.apache.xml.internal.dtm.DTMIterator;
  27 import com.sun.org.apache.xml.internal.utils.QName;
  28 import com.sun.org.apache.xpath.internal.Expression;
  29 import com.sun.org.apache.xpath.internal.ExpressionOwner;
  30 import com.sun.org.apache.xpath.internal.XPathContext;
  31 import com.sun.org.apache.xpath.internal.XPathVisitor;
  32 import com.sun.org.apache.xpath.internal.compiler.Compiler;
  33 import com.sun.org.apache.xpath.internal.compiler.OpCodes;
  34 import com.sun.org.apache.xpath.internal.objects.XNodeSet;
  35 import java.util.List;
  36 
  37 /**
  38  * Walker for the OP_VARIABLE, or OP_EXTFUNCTION, or OP_FUNCTION, or OP_GROUP,
  39  * op codes.
  40  * @see <a href="http://www.w3.org/TR/xpath#NT-FilterExpr">XPath FilterExpr descriptions</a>

  41  */
  42 public class FilterExprWalker extends AxesWalker
  43 {
  44     static final long serialVersionUID = 5457182471424488375L;
  45 
  46   /**
  47    * Construct a FilterExprWalker using a LocPathIterator.
  48    *
  49    * @param locPathIterator non-null reference to the parent iterator.
  50    */
  51   public FilterExprWalker(WalkingIterator locPathIterator)
  52   {
  53     super(locPathIterator, Axis.FILTEREDLIST);
  54   }
  55 
  56   /**
  57    * Init a FilterExprWalker.
  58    *
  59    * @param compiler non-null reference to the Compiler that is constructing.
  60    * @param opPos positive opcode position for this step.


   1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * the License.  You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 
  21 package com.sun.org.apache.xpath.internal.axes;
  22 
  23 import com.sun.org.apache.xml.internal.dtm.Axis;
  24 import com.sun.org.apache.xml.internal.dtm.DTM;
  25 import com.sun.org.apache.xml.internal.dtm.DTMIterator;
  26 import com.sun.org.apache.xml.internal.utils.QName;
  27 import com.sun.org.apache.xpath.internal.Expression;
  28 import com.sun.org.apache.xpath.internal.ExpressionOwner;
  29 import com.sun.org.apache.xpath.internal.XPathContext;
  30 import com.sun.org.apache.xpath.internal.XPathVisitor;
  31 import com.sun.org.apache.xpath.internal.compiler.Compiler;
  32 import com.sun.org.apache.xpath.internal.compiler.OpCodes;
  33 import com.sun.org.apache.xpath.internal.objects.XNodeSet;
  34 import java.util.List;
  35 
  36 /**
  37  * Walker for the OP_VARIABLE, or OP_EXTFUNCTION, or OP_FUNCTION, or OP_GROUP,
  38  * op codes.
  39  * @see <a href="http://www.w3.org/TR/xpath#NT-FilterExpr">XPath FilterExpr descriptions</a>
  40  * @LastModified: Oct 2017
  41  */
  42 public class FilterExprWalker extends AxesWalker
  43 {
  44     static final long serialVersionUID = 5457182471424488375L;
  45 
  46   /**
  47    * Construct a FilterExprWalker using a LocPathIterator.
  48    *
  49    * @param locPathIterator non-null reference to the parent iterator.
  50    */
  51   public FilterExprWalker(WalkingIterator locPathIterator)
  52   {
  53     super(locPathIterator, Axis.FILTEREDLIST);
  54   }
  55 
  56   /**
  57    * Init a FilterExprWalker.
  58    *
  59    * @param compiler non-null reference to the Compiler that is constructing.
  60    * @param opPos positive opcode position for this step.


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