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.operations;
  23 
  24 import com.sun.org.apache.xml.internal.utils.QName;
  25 import com.sun.org.apache.xpath.internal.Expression;
  26 import com.sun.org.apache.xpath.internal.ExpressionOwner;
  27 import com.sun.org.apache.xpath.internal.XPathContext;
  28 import com.sun.org.apache.xpath.internal.XPathVisitor;
  29 import com.sun.org.apache.xpath.internal.objects.XObject;
  30 import java.util.List;
  31 
  32 /**
  33  * The baseclass for a binary operation.


  34  */
  35 public class Operation extends Expression implements ExpressionOwner
  36 {
  37     static final long serialVersionUID = -3037139537171050430L;
  38 
  39   /** The left operand expression.
  40    *  @serial */
  41   protected Expression m_left;
  42 
  43   /** The right operand expression.
  44    *  @serial */
  45   protected Expression m_right;
  46 
  47   /**
  48    * This function is used to fixup variables from QNames to stack frame
  49    * indexes at stylesheet build time.
  50    * @param vars List of QNames that correspond to variables.  This list
  51    * should be searched backwards for the first qualified name that
  52    * corresponds to the variable reference qname.  The position of the
  53    * QName in the vector from the start of the vector will be its position

   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.operations;
  22 
  23 import com.sun.org.apache.xml.internal.utils.QName;
  24 import com.sun.org.apache.xpath.internal.Expression;
  25 import com.sun.org.apache.xpath.internal.ExpressionOwner;
  26 import com.sun.org.apache.xpath.internal.XPathContext;
  27 import com.sun.org.apache.xpath.internal.XPathVisitor;
  28 import com.sun.org.apache.xpath.internal.objects.XObject;
  29 import java.util.List;
  30 
  31 /**
  32  * The baseclass for a binary operation.
  33  *
  34  * @LastModified: Oct 2017
  35  */
  36 public class Operation extends Expression implements ExpressionOwner
  37 {
  38     static final long serialVersionUID = -3037139537171050430L;
  39 
  40   /** The left operand expression.
  41    *  @serial */
  42   protected Expression m_left;
  43 
  44   /** The right operand expression.
  45    *  @serial */
  46   protected Expression m_right;
  47 
  48   /**
  49    * This function is used to fixup variables from QNames to stack frame
  50    * indexes at stylesheet build time.
  51    * @param vars List of QNames that correspond to variables.  This list
  52    * should be searched backwards for the first qualified name that
  53    * corresponds to the variable reference qname.  The position of the
  54    * QName in the vector from the start of the vector will be its position