cvs commit: jakarta-tomcat-jasper/jasper34/generator/org/apache/jasper34/jsptree JspNode.java

[co...@apache.org]

costin      01/06/05 22:54:12

  Added:       jasper34/generator/org/apache/jasper34/jsptree JspNode.java
  Log:
  The initial step in creating a generator-independent AST and improving
  the modularity of the generator.
  
  Not used right now, work in progress.
  
  Revision  Changes    Path
  1.1                  jakarta-tomcat-jasper/jasper34/generator/org/apache/jasper34/jsptree/JspNode.java
  
  Index: JspNode.java
  ===================================================================
  /*
   * ====================================================================
   * 
   * The Apache Software License, Version 1.1
   *
   * Copyright (c) 1999 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", "Tomcat", 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 apache@apache.org.
   *
   * 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/>.
   *
   */ 
  
  package org.apache.jasper34.jsptree;
  
  import org.apache.jasper34.core.*;
  import org.apache.jasper34.runtime.JasperException;
  
  import java.lang.reflect.*;
  import java.util.*;
  
  import org.apache.jasper34.parser.*;
  import org.apache.jasper34.generator.*;
  
  import javax.servlet.jsp.*;
  import javax.servlet.jsp.tagext.*;
  
  // XXX Not used right now - it's work in progress, part of generator
  // refactoring to allow multiple generation schemes and improve modularity
  
  /**
   * AST-like representation of a JSP page.
   * 
   * Refactored from GeneratorBase and generators - part of moving
   * to a visitor pattern and decoupling code generators from the rest
   * of the processing ( later we'll have multiple code generators -
   * some pages can be directly translated )
   *
   * It has all the properties that were stored in the Generator trees.
   * ( we'll revisit this later )
   *
   * @author Anil K. Vijendran
   * @author Costin Manolache
   */
  public class JspNode {
      // This will be used to pick the right generator
      String type; 
      
      // Location in the source
      Mark start, stop;
  
      Hashtable attrs;
      char body[];
  
      // Do we need this ?
      JspPageInfo pageInfo;
      Hashtable params; // for Plugin, Forward, Include
      String fallback;  // for Plugin
  
      // tag info
      String prefix;
      String shortTagName;
      TagLibraryInfo tli;
      TagInfo ti;
  
      /* We may need to store the current instance of:
         - pageInfo.vector  // CharData
         - pageInfo.dataFile // CharData
         - pageInfo.stringId // CharData
  
         - pageInfo.beanInfo // Bean, GetProperty, SetProperty
         - pageInfo.sessionVariable // Bean
  
         - pageInfo.getTagHandlerStack() // Tag
         - pageInfo.getTagVarNumbers()
         - pageInfo.libraries
  
  
      */
      
      JspNode( JspPageInfo pageInfo, char body[],
  	     Hashtable attrs,
  	     Mark start, Mark stop) {
  	this.pageInfo=pageInfo;
  	this.start = start;
  	this.stop = stop;
  	this.body = body;
  	this.attrs=attrs;
      }
  
      // --------------------
  
  }