JJStateInfo


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7    * or http://www.netbeans.org/cddl.txt.
8    *
9    * When distributing Covered Code, include this CDDL Header Notice in each file
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11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  package org.netbeans.modules.css.text.syntax.javacc.lib;
20  
21  import org.netbeans.editor.Syntax;
22  
23  /**
24   * State info holder enriched by jj substates.
25   *
26   * @author  Petr Kuzel
27   * @version 0.9
28   */
29  
30  public final class JJStateInfo extends Syntax.BaseStateInfo {
31  
32      private int[] states;
33  
34      public void setSubStates(int[] states) {
35          this.states = states;
36      }
37  
38      public int[] getSubStates() {
39          return states;
40      }
41  
42  
43      /** @return whether passed substates equals to this substates. */
44      public int compareSubStates(int[] sub) {
45          if (states == null) return Syntax.DIFFERENT_STATE;
46          if (sub == null) return Syntax.DIFFERENT_STATE;
47          if (states.length != sub.length) return Syntax.DIFFERENT_STATE;
48          
49          for (int i = states.length-1; i>=0; i--) {  //faster
50              if (states[i] != sub[i]) return Syntax.DIFFERENT_STATE;
51          }
52          return Syntax.EQUAL_STATE;
53      }
54      
55      public String   toString() {
56          StringBuffer   buf = new StringBuffer  ();
57          buf.append("(JJ[").append("S:" + getState()); // NOI18N
58          buf.append("P:" + getPreScan()).append("subS:");  // NOI18N
59          for (int i=0; i<states.length; i++) {
60              buf.append(states[i] + ","); // NOI18N
61          }
62          buf.append("]JJ)"); // NOI18N
63          return buf.toString();
64      }
65  }
66
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