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1   package net.sf.tomp.xtcl.command;
2   
3   import net.sf.tomp.xtcl.Context;
4   
5   import java.io.PrintStream;
6   
7   /***
8    * DOCUMENT ME!
9    * 
10   * @author tomp
11   */
12  public class Ret extends AbstractCommand {
13      /*** DOCUMENT ME! */
14      protected String[] returns;
15  
16      /***
17       * DOCUMENT ME!
18       * 
19       * @param r DOCUMENT ME!
20       */
21      public void setReturns(String[] r) {
22          returns = r;
23      }
24  
25      /***
26       * DOCUMENT ME!
27       * 
28       * @param c DOCUMENT ME!
29       * @return DOCUMENT ME!
30       * @throws Exception DOCUMENT ME!
31       */
32      public int execute(Context c) throws Exception {
33          Context prev = c.getPrevious();
34  
35          for (int i = 0; i < returns.length; i++) {
36              String k = returns[i];
37              Object v = c.get(k);
38  
39              prev.put("$" + (i + 1), v);
40          }
41  
42          PrintStream out = c.getOut();
43  
44          if (out != null) {
45              out.print("OK " + this);
46          }
47  
48          return 0;
49      }
50  
51      /***
52       * DOCUMENT ME!
53       * 
54       * @return DOCUMENT ME!
55       */
56      public String toString() {
57          return "RETURN (" + listArray(returns) + ")";
58      }
59  }
60  
61  /*
62   * The contents of this file are subject to the Mozilla Public License Version
63   * 1.1 (the "License"); you may not use this file except in compliance with the
64   * License. You may obtain a copy of the License at http://www.mozilla.org/MPL/
65   * Software distributed under the License is distributed on an "AS IS" basis,
66   * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
67   * the specific language governing rights and limitations under the License. The
68   * Original Code is: all this file. The Initial Developer of the Original Code
69   * is: Tomas Pitner, Masaryk University in Brno, Czech Republic. Contributor(s):
70   */