geirm 00/11/11 22:34:10
Added: src/java/org/apache/velocity/runtime/visitor
ParseDirectiveVisitor.java
Log:
New file, a Visitor to help in the parse recursion prevention.
Revision Changes Path
1.1
jakarta-velocity/src/java/org/apache/velocity/runtime/visitor/ParseDirectiveVisitor.java
Index: ParseDirectiveVisitor.java
===================================================================
package org.apache.velocity.runtime.visitor;
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Velocity", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import org.apache.velocity.*;
import org.apache.velocity.runtime.parser.Token;
import org.apache.velocity.runtime.parser.node.*;
/**
* @author <a href="mailto:[EMAIL PROTECTED]">Geir Magnusson Jr.</a>
* @version $Id: ParseDirectiveVisitor.java,v 1.1 2000/11/12 06:34:10 geirm Exp $
*/
public class ParseDirectiveVisitor extends BaseVisitor
{
private int iParseDepth_ = 0;
public Object visit(ASTDirective node, Object data)
{
if (node.getDirectiveName().equals("parse"))
{
iParseDepth_++;
}
node.setParserDepth( iParseDepth_ );
data = node.childrenAccept(this, data);
return data;
}
public void setDepth( int i )
{
iParseDepth_ = i;
}
}
