package net.sourceforge.phpdt.externaltools.variable;

import org.eclipse.core.runtime.IPath;

/**
 * Expands a variable into the last opened PHP file 
 * <p>
 * This class is not intended to be extended by clients.
 * </p>
 */
public class LastPHPFileExpander extends ResourceExpander { //implements IVariableTextExpander {

  /**
   * Create an instance
   */
  public LastPHPFileExpander() {
    super();
  }

  /**
   * Returns a string representation of the path to a file or directory
   * for the given variable tag and value or <code>null</code>.
   * 
   * @see IVariableTextExpander#getText(String, String, ExpandVariableContext)
   */
  public String getText(String varTag, String varValue, ExpandVariableContext context) {
    IPath path = getPath(varTag, varValue, context);
    if (path != null) {
      return path.toString();
    }
    return null;
  }

}