/**
 * $Id$
 * $Date$
 *
 */

package org.xmlsh.sh.core;

import java.io.IOException;
import java.io.PrintWriter;
import org.xmlsh.core.CoreException;
import org.xmlsh.core.EvalEnv;
import org.xmlsh.sh.shell.Shell;
import org.xmlsh.util.Util;

public class CaseItem {
  private StringList mPattern;
  private CommandExpr mCommand;
  private SourceLocation mLocation;
  private static final EvalEnv mEnv = EvalEnv.basicInstance();

  public CaseItem(StringList pattern, CommandExpr command,
      SourceLocation location) {

    mPattern = pattern;
    mCommand = command;
    mLocation = location;

  }

  public void print(PrintWriter out, boolean bExec) {
    mPattern.print(out);
    out.print(") ");
    if(mCommand != null)
      mCommand.print(out, bExec);
  }

  public boolean matches(Shell shell, String word)
      throws IOException, CoreException {
    for(String pattern : mPattern) {

      String p = EvalUtils.expandStringToString(shell, pattern, mEnv);

      if(Util.wildMatches(p, word, true))
        return true;
    }
    return false;
  }

  public int exec(Shell shell) throws Exception {
    if(mCommand == null)
      return 0;
    return shell.exec(mCommand);
  }

  /**
   * @return the location
   */
  public SourceLocator getLocation() {
    return mLocation;
  }

  /**
   * @param location
   *          the location to set
   */
  public void setLocation(SourceLocation location) {
    mLocation = location;
  }

}

//
//
// Copyright (C) 2008-2014 David A. Lee.
//
// The contents of this file are subject to the "Simplified BSD License" (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.opensource.org/licenses/bsd-license.php
//
// Software distributed under the License is distributed on an "AS IS" basis,
// WITHOUT WARRANTY OF ANY KIND, either express or implied.
// See the License for the specific language governing rights and limitations
// under the License.
//
// The Original Code is: all this file.
//
// The Initial Developer of the Original Code is David A. Lee
//
// Portions created by (your name) are Copyright (C) (your legal entity). All
// Rights Reserved.
//
// Contributor(s): none.
//