/* Generated By:JavaCC: Do not edit this line. ServiceFileParser.java */
   /*
    *    Copyright 2010-2011 The 99 Software Foundation
    *
    *    Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
   *
   *    Unless required by applicable law or agreed to in writing, software
   *    distributed under the License is distributed on an "AS IS" BASIS,
   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   *    See the License for the specific language governing permissions and
   *    limitations under the License.
   */
  package org.nnsoft.commons.bspi;
  
  import java.util.Iterator;
  import java.util.LinkedHashMap;
  import java.util.LinkedHashSet;
  import java.util.Set;
  
  final class ServiceFileParser<S>
      implements Iterable<String>, ServiceFileParserConstants {
  
      private final Set<String> serviceClassNames = new LinkedHashSet<String>();
  
      private LinkedHashMap<String, Class<? extends S>> providerTypes;
  
      public void setProviderTypes( LinkedHashMap<String, Class<? extends S>> providerTypes )
      {
          this.providerTypes = providerTypes;
      }
  
      public Iterator<String> iterator()
      {
          return serviceClassNames.iterator();
      }
  
    final public void parse() throws ParseException {
      label_1:
      while (true) {
        if (jj_2_1(2)) {
          ;
        } else {
          break label_1;
        }
        serviceName();
      }
      jj_consume_token(0);
    }
  
    final private void serviceName() throws ParseException {
                                Token serviceClassToken;
      serviceClassToken = jj_consume_token(QUALIFIED_NAME);
          String serviceClassName = serviceClassToken.toString();
          if ( !this.providerTypes.containsKey( serviceClassName ) )
          {
              serviceClassNames.add( serviceClassName );
          }
    }
  
    private boolean jj_2_1(int xla) {
      jj_la = xla; jj_lastpos = jj_scanpos = token;
      try { return !jj_3_1(); }
      catch(LookaheadSuccess ls) { return true; }
      finally { jj_save(0, xla); }
    }
  
    private boolean jj_3_1() {
      if (jj_3R_2()) return true;
      return false;
    }
  
    private boolean jj_3R_2() {
      if (jj_scan_token(QUALIFIED_NAME)) return true;
      return false;
    }
  
    /** Generated Token Manager. */
    public ServiceFileParserTokenManager token_source;
    SimpleCharStream jj_input_stream;
    /** Current token. */
    public Token token;
    /** Next token. */
    public Token jj_nt;
    private int jj_ntk;
    private Token jj_scanpos, jj_lastpos;
    private int jj_la;
    private int jj_gen;
    final private int[] jj_la1 = new int[0];
    static private int[] jj_la1_0;
    static {
        jj_la1_init_0();
     }
     private static void jj_la1_init_0() {
        jj_la1_0 = new int[] {};
     }
   final private JJCalls[] jj_2_rtns = new JJCalls[1];
   private boolean jj_rescan = false;
   private int jj_gc = 0;
 
   /** Constructor with InputStream. */
   public ServiceFileParser(java.io.InputStream stream) {
      this(stream, null);
   }
   /** Constructor with InputStream and supplied encoding */
   public ServiceFileParser(java.io.InputStream stream, String encoding) {
     try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
     token_source = new ServiceFileParserTokenManager(jj_input_stream);
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Reinitialise. */
   public void ReInit(java.io.InputStream stream) {
      ReInit(stream, null);
   }
   /** Reinitialise. */
   public void ReInit(java.io.InputStream stream, String encoding) {
     try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
     token_source.ReInit(jj_input_stream);
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Constructor. */
   public ServiceFileParser(java.io.Reader stream) {
     jj_input_stream = new SimpleCharStream(stream, 1, 1);
     token_source = new ServiceFileParserTokenManager(jj_input_stream);
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Reinitialise. */
   public void ReInit(java.io.Reader stream) {
     jj_input_stream.ReInit(stream, 1, 1);
     token_source.ReInit(jj_input_stream);
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Constructor with generated Token Manager. */
   public ServiceFileParser(ServiceFileParserTokenManager tm) {
     token_source = tm;
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Reinitialise. */
   public void ReInit(ServiceFileParserTokenManager tm) {
     token_source = tm;
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   private Token jj_consume_token(int kind) throws ParseException {
     Token oldToken;
     if ((oldToken = token).next != null) token = token.next;
     else token = token.next = token_source.getNextToken();
     jj_ntk = -1;
     if (token.kind == kind) {
       jj_gen++;
       if (++jj_gc > 100) {
         jj_gc = 0;
         for (int i = 0; i < jj_2_rtns.length; i++) {
           JJCalls c = jj_2_rtns[i];
           while (c != null) {
             if (c.gen < jj_gen) c.first = null;
             c = c.next;
           }
         }
       }
       return token;
     }
     token = oldToken;
     jj_kind = kind;
     throw generateParseException();
   }
 
   static private final class LookaheadSuccess extends java.lang.Error { }
   final private LookaheadSuccess jj_ls = new LookaheadSuccess();
   private boolean jj_scan_token(int kind) {
     if (jj_scanpos == jj_lastpos) {
       jj_la--;
       if (jj_scanpos.next == null) {
         jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
       } else {
         jj_lastpos = jj_scanpos = jj_scanpos.next;
       }
     } else {
       jj_scanpos = jj_scanpos.next;
     }
     if (jj_rescan) {
       int i = 0; Token tok = token;
       while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
       if (tok != null) jj_add_error_token(kind, i);
     }
     if (jj_scanpos.kind != kind) return true;
     if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
     return false;
   }
 
 
 /** Get the next Token. */
   final public Token getNextToken() {
     if (token.next != null) token = token.next;
     else token = token.next = token_source.getNextToken();
     jj_ntk = -1;
     jj_gen++;
     return token;
   }
 
 /** Get the specific Token. */
   final public Token getToken(int index) {
     Token t = token;
     for (int i = 0; i < index; i++) {
       if (t.next != null) t = t.next;
       else t = t.next = token_source.getNextToken();
     }
     return t;
   }
 
   private int jj_ntk() {
     if ((jj_nt=token.next) == null)
       return (jj_ntk = (token.next=token_source.getNextToken()).kind);
     else
       return (jj_ntk = jj_nt.kind);
   }
 
   private java.util.List<int[]> jj_expentries = new java.util.ArrayList<int[]>();
   private int[] jj_expentry;
   private int jj_kind = -1;
   private int[] jj_lasttokens = new int[100];
   private int jj_endpos;
 
   private void jj_add_error_token(int kind, int pos) {
     if (pos >= 100) return;
     if (pos == jj_endpos + 1) {
       jj_lasttokens[jj_endpos++] = kind;
     } else if (jj_endpos != 0) {
       jj_expentry = new int[jj_endpos];
       for (int i = 0; i < jj_endpos; i++) {
         jj_expentry[i] = jj_lasttokens[i];
       }
       jj_entries_loop: for (java.util.Iterator<?> it = jj_expentries.iterator(); it.hasNext();) {
         int[] oldentry = (int[])(it.next());
         if (oldentry.length == jj_expentry.length) {
           for (int i = 0; i < jj_expentry.length; i++) {
             if (oldentry[i] != jj_expentry[i]) {
               continue jj_entries_loop;
             }
           }
           jj_expentries.add(jj_expentry);
           break jj_entries_loop;
         }
       }
       if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
     }
   }
 
   /** Generate ParseException. */
   public ParseException generateParseException() {
     jj_expentries.clear();
     boolean[] la1tokens = new boolean[13];
     if (jj_kind >= 0) {
       la1tokens[jj_kind] = true;
       jj_kind = -1;
     }
     for (int i = 0; i < 0; i++) {
       if (jj_la1[i] == jj_gen) {
         for (int j = 0; j < 32; j++) {
           if ((jj_la1_0[i] & (1<<j)) != 0) {
             la1tokens[j] = true;
           }
         }
       }
     }
     for (int i = 0; i < 13; i++) {
       if (la1tokens[i]) {
         jj_expentry = new int[1];
         jj_expentry[0] = i;
         jj_expentries.add(jj_expentry);
       }
     }
     jj_endpos = 0;
     jj_rescan_token();
     jj_add_error_token(0, 0);
     int[][] exptokseq = new int[jj_expentries.size()][];
     for (int i = 0; i < jj_expentries.size(); i++) {
       exptokseq[i] = jj_expentries.get(i);
     }
     return new ParseException(token, exptokseq, tokenImage);
   }
 
   /** Enable tracing. */
   final public void enable_tracing() {
   }
 
   /** Disable tracing. */
   final public void disable_tracing() {
   }
 
   private void jj_rescan_token() {
     jj_rescan = true;
     for (int i = 0; i < 1; i++) {
     try {
       JJCalls p = jj_2_rtns[i];
       do {
         if (p.gen > jj_gen) {
           jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
           switch (i) {
             case 0: jj_3_1(); break;
           }
         }
         p = p.next;
       } while (p != null);
       } catch(LookaheadSuccess ls) { }
     }
     jj_rescan = false;
   }
 
   private void jj_save(int index, int xla) {
     JJCalls p = jj_2_rtns[index];
     while (p.gen > jj_gen) {
       if (p.next == null) { p = p.next = new JJCalls(); break; }
       p = p.next;
     }
     p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
   }
 
   static final class JJCalls {
     int gen;
     Token first;
     int arg;
     JJCalls next;
   }
 
 }