package bboss.org.apache.velocity.runtime.visitor;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import java.io.Writer;
import bboss.org.apache.velocity.context.InternalContextAdapter;
import bboss.org.apache.velocity.runtime.parser.node.ASTAddNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTAndNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTAssignment;
import bboss.org.apache.velocity.runtime.parser.node.ASTBlock;
import bboss.org.apache.velocity.runtime.parser.node.ASTComment;
import bboss.org.apache.velocity.runtime.parser.node.ASTDirective;
import bboss.org.apache.velocity.runtime.parser.node.ASTDivNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTEQNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTElseIfStatement;
import bboss.org.apache.velocity.runtime.parser.node.ASTElseStatement;
import bboss.org.apache.velocity.runtime.parser.node.ASTEscape;
import bboss.org.apache.velocity.runtime.parser.node.ASTEscapedDirective;
import bboss.org.apache.velocity.runtime.parser.node.ASTExpression;
import bboss.org.apache.velocity.runtime.parser.node.ASTFalse;
import bboss.org.apache.velocity.runtime.parser.node.ASTFloatingPointLiteral;
import bboss.org.apache.velocity.runtime.parser.node.ASTGENode;
import bboss.org.apache.velocity.runtime.parser.node.ASTGTNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTIdentifier;
import bboss.org.apache.velocity.runtime.parser.node.ASTIfStatement;
import bboss.org.apache.velocity.runtime.parser.node.ASTIntegerLiteral;
import bboss.org.apache.velocity.runtime.parser.node.ASTIntegerRange;
import bboss.org.apache.velocity.runtime.parser.node.ASTLENode;
import bboss.org.apache.velocity.runtime.parser.node.ASTLTNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTMap;
import bboss.org.apache.velocity.runtime.parser.node.ASTMethod;
import bboss.org.apache.velocity.runtime.parser.node.ASTModNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTMulNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTNENode;
import bboss.org.apache.velocity.runtime.parser.node.ASTNotNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTObjectArray;
import bboss.org.apache.velocity.runtime.parser.node.ASTOrNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTReference;
import bboss.org.apache.velocity.runtime.parser.node.ASTSetDirective;
import bboss.org.apache.velocity.runtime.parser.node.ASTStringLiteral;
import bboss.org.apache.velocity.runtime.parser.node.ASTSubtractNode;
import bboss.org.apache.velocity.runtime.parser.node.ASTText;
import bboss.org.apache.velocity.runtime.parser.node.ASTTrue;
import bboss.org.apache.velocity.runtime.parser.node.ASTWord;
import bboss.org.apache.velocity.runtime.parser.node.ASTprocess;
import bboss.org.apache.velocity.runtime.parser.node.ParserVisitor;
import bboss.org.apache.velocity.runtime.parser.node.SimpleNode;
/**
* This is the base class for all visitors.
* For each AST node, this class will provide
* a bare-bones method for traversal.
*
* @author <a href="mailto:jvanzyl@apache.org">Jason van Zyl</a>
* @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a>
* @version $Id: BaseVisitor.java 747106 2009-02-23 19:25:14Z nbubna $
*/
public abstract class BaseVisitor implements ParserVisitor
{
/** Context used during traversal */
protected InternalContextAdapter context;
/** Writer used as the output sink */
protected Writer writer;
/**
* @param writer
*/
public void setWriter( Writer writer )
{
this.writer = writer;
}
/**
* @param context
*/
public void setContext( InternalContextAdapter context)
{
this.context = context;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.SimpleNode, java.lang.Object)
*/
public Object visit(SimpleNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTprocess, java.lang.Object)
*/
public Object visit(ASTprocess node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTExpression, java.lang.Object)
*/
public Object visit(ASTExpression node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTAssignment, java.lang.Object)
*/
public Object visit(ASTAssignment node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTOrNode, java.lang.Object)
*/
public Object visit(ASTOrNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTAndNode, java.lang.Object)
*/
public Object visit(ASTAndNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTEQNode, java.lang.Object)
*/
public Object visit(ASTEQNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTNENode, java.lang.Object)
*/
public Object visit(ASTNENode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTLTNode, java.lang.Object)
*/
public Object visit(ASTLTNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTGTNode, java.lang.Object)
*/
public Object visit(ASTGTNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTLENode, java.lang.Object)
*/
public Object visit(ASTLENode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTGENode, java.lang.Object)
*/
public Object visit(ASTGENode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTAddNode, java.lang.Object)
*/
public Object visit(ASTAddNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTSubtractNode, java.lang.Object)
*/
public Object visit(ASTSubtractNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTMulNode, java.lang.Object)
*/
public Object visit(ASTMulNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTDivNode, java.lang.Object)
*/
public Object visit(ASTDivNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTModNode, java.lang.Object)
*/
public Object visit(ASTModNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTNotNode, java.lang.Object)
*/
public Object visit(ASTNotNode node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTIntegerLiteral, java.lang.Object)
*/
public Object visit(ASTIntegerLiteral node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTFloatingPointLiteral, java.lang.Object)
* @since 1.5
*/
public Object visit(ASTFloatingPointLiteral node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTStringLiteral, java.lang.Object)
*/
public Object visit(ASTStringLiteral node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTIdentifier, java.lang.Object)
*/
public Object visit(ASTIdentifier node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTMethod, java.lang.Object)
*/
public Object visit(ASTMethod node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTReference, java.lang.Object)
*/
public Object visit(ASTReference node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTTrue, java.lang.Object)
*/
public Object visit(ASTTrue node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTFalse, java.lang.Object)
*/
public Object visit(ASTFalse node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTBlock, java.lang.Object)
*/
public Object visit(ASTBlock node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTText, java.lang.Object)
*/
public Object visit(ASTText node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTIfStatement, java.lang.Object)
*/
public Object visit(ASTIfStatement node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTElseStatement, java.lang.Object)
*/
public Object visit(ASTElseStatement node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTElseIfStatement, java.lang.Object)
*/
public Object visit(ASTElseIfStatement node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTComment, java.lang.Object)
*/
public Object visit(ASTComment node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTObjectArray, java.lang.Object)
*/
public Object visit(ASTObjectArray node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTWord, java.lang.Object)
*/
public Object visit(ASTWord node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTSetDirective, java.lang.Object)
*/
public Object visit(ASTSetDirective node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTDirective, java.lang.Object)
*/
public Object visit(ASTDirective node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTEscapedDirective, java.lang.Object)
* @since 1.5
*/
public Object visit(ASTEscapedDirective node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTEscape, java.lang.Object)
* @since 1.5
*/
public Object visit(ASTEscape node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTMap, java.lang.Object)
* @since 1.5
*/
public Object visit(ASTMap node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
/**
* @see bboss.org.apache.velocity.runtime.parser.node.ParserVisitor#visit(bboss.org.apache.velocity.runtime.parser.node.ASTIntegerRange, java.lang.Object)
* @since 1.5
*/
public Object visit(ASTIntegerRange node, Object data)
{
data = node.childrenAccept(this, data);
return data;
}
}