//
// This software is now distributed according to
// the Lesser Gnu Public License.  Please see
// http://www.gnu.org/copyleft/lesser.txt for
// the details.
//    -- Happy Computing!
//
package com.stevesoft.pat;

/** This class implements user defined special replacement rules
 * of the form ${=name}. See <a href="http://javaregex.com/code/trans2.java.html">trans2.java</a>
 * and <a href="http://javaregex.com/code/trans2a.java.html">trans2a.java</a>.
 */
public class ChangeRule
    extends SpecialRule
{
  Regex NewRule;
  public ChangeRule(ChangeRule c)
  {
    NewRule = c.NewRule;
  }

  public ChangeRule(String nm, Regex rr)
  {
    name = nm;
    NewRule = rr;
  }

  public ChangeRule(String nm, Transformer tr)
  {
    name = nm;
    NewRule = tr.rp;
  }

  public Object clone1()
  {
    return new ChangeRule(this);
  }

  public String toString1()
  {
    return "${=" + name + "}";
  }

  public void apply(StringBufferLike sb, RegRes rr)
  {}
}