htmlparser.java

BBS-CS 天乙社区 v6.0.1(含源码) 天乙社区6.0是一套基于JAVA技术的网络虚拟社区

            while (true) {
          switch ( (jj_ntk == -1) ? jj_ntk() : jj_ntk) {
            case CommentText2:
              ;
              break;
            default:
              jj_la1[11] = jj_gen;
              break label_5;
          }
          jj_consume_token(CommentText2);
        }
        jj_consume_token(CommentEnd2);
        break;
      default:
        jj_la1[12] = jj_gen;
        jj_consume_token( -1);
        throw new ParseException();
    }
  }

  final public void ScriptTag() throws ParseException {
    jj_consume_token(ScriptStart);
    label_6:while (true) {
      switch ( (jj_ntk == -1) ? jj_ntk() : jj_ntk) {
        case ScriptText:
          ;
          break;
        default:
          jj_la1[13] = jj_gen;
          break label_6;
      }
      jj_consume_token(ScriptText);
    }
    jj_consume_token(ScriptEnd);
  }

  final 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);
    }
  }

  final private boolean jj_2_2(int xla) {
    jj_la = xla;
    jj_lastpos = jj_scanpos = token;
    try {
      return!jj_3_2();
    }
    catch (LookaheadSuccess ls) {
      return true;
    }
    finally {
      jj_save(1, xla);
    }
  }

  final private boolean jj_3_1() {
    if (jj_scan_token(ArgQuote1)) {
      return true;
    }
    if (jj_scan_token(CloseQuote1)) {
      return true;
    }
    return false;
  }

  final private boolean jj_3_2() {
    if (jj_scan_token(ArgQuote2)) {
      return true;
    }
    if (jj_scan_token(CloseQuote2)) {
      return true;
    }
    return false;
  }

  public HTMLParserTokenManager token_source;
  SimpleCharStream jj_input_stream;
  public Token token, jj_nt;
  private int jj_ntk;
  private Token jj_scanpos, jj_lastpos;
  private int jj_la;
  public boolean lookingAhead = false;
  private boolean jj_semLA;
  private int jj_gen;
  final private int[] jj_la1 = new int[14];
  static private int[] jj_la1_0;
  static {
    jj_la1_0();
  }

  private static void jj_la1_0() {
    jj_la1_0 = new int[] {
        0x167e, 0x167e, 0x8000, 0x1c0000, 0x10000, 0x40000, 0x80000, 0x100000,
        0x1d8000, 0x1d8000, 0x4000000, 0x10000000, 0x30, 0x2000, };
  }

  final private JJCalls[] jj_2_rtns = new JJCalls[2];
  private boolean jj_rescan = false;
  private int jj_gc = 0;

  public HTMLParser(java.io.InputStream stream) {
    try {
      Reader reader = new InputStreamReader(stream,
                                            com.laoer.bbscs.sys.Constant.
                                            CHARSET);
      jj_input_stream = new SimpleCharStream(reader, 1, 1);
    }
    catch (UnsupportedEncodingException ex) {
      jj_input_stream = new SimpleCharStream(stream, 1, 1);
    }
    token_source = new HTMLParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 14; i++) {
      jj_la1[i] = -1;
    }
    for (int i = 0; i < jj_2_rtns.length; i++) {
      jj_2_rtns[i] = new JJCalls();
    }
  }

  public void ReInit(java.io.InputStream 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 < 14; i++) {
      jj_la1[i] = -1;
    }
    for (int i = 0; i < jj_2_rtns.length; i++) {
      jj_2_rtns[i] = new JJCalls();
    }
  }

  public HTMLParser(java.io.Reader stream) {
    jj_input_stream = new SimpleCharStream(stream, 1, 1);
    token_source = new HTMLParserTokenManager(jj_input_stream);
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 14; i++) {
      jj_la1[i] = -1;
    }
    for (int i = 0; i < jj_2_rtns.length; i++) {
      jj_2_rtns[i] = new JJCalls();
    }
  }

  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 < 14; i++) {
      jj_la1[i] = -1;
    }
    for (int i = 0; i < jj_2_rtns.length; i++) {
      jj_2_rtns[i] = new JJCalls();
    }
  }

  public HTMLParser(HTMLParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 14; i++) {
      jj_la1[i] = -1;
    }
    for (int i = 0; i < jj_2_rtns.length; i++) {
      jj_2_rtns[i] = new JJCalls();
    }
  }

  public void ReInit(HTMLParserTokenManager tm) {
    token_source = tm;
    token = new Token();
    jj_ntk = -1;
    jj_gen = 0;
    for (int i = 0; i < 14; i++) {
      jj_la1[i] = -1;
    }
    for (int i = 0; i < jj_2_rtns.length; i++) {
      jj_2_rtns[i] = new JJCalls();
    }
  }

  final 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();
  final 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;
  }

  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;
  }

  final public Token getToken(int index) {
    Token t = lookingAhead ? jj_scanpos : token;
    for (int i = 0; i < index; i++) {
      if (t.next != null) {
        t = t.next;
      }
      else {
        t = t.next = token_source.getNextToken();
      }
    }
    return t;
  }

  final 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.Vector jj_expentries = new java.util.Vector();
  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];
      }
      boolean exists = false;
      for (java.util.Enumeration e = jj_expentries.elements();
           e.hasMoreElements(); ) {
        int[] oldentry = (int[]) (e.nextElement());
        if (oldentry.length == jj_expentry.length) {
          exists = true;
          for (int i = 0; i < jj_expentry.length; i++) {
            if (oldentry[i] != jj_expentry[i]) {
              exists = false;
              break;
            }
          }
          if (exists) {
            break;
          }
        }
      }
      if (!exists) {
        jj_expentries.addElement(jj_expentry);
      }
      if (pos != 0) {
        jj_lasttokens[ (jj_endpos = pos) - 1] = kind;
      }
    }
  }

  public ParseException generateParseException() {
    jj_expentries.removeAllElements();
    boolean[] la1tokens = new boolean[30];
    for (int i = 0; i < 30; i++) {
      la1tokens[i] = false;
    }
    if (jj_kind >= 0) {
      la1tokens[jj_kind] = true;
      jj_kind = -1;
    }
    for (int i = 0; i < 14; 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 < 30; i++) {
      if (la1tokens[i]) {
        jj_expentry = new int[1];
        jj_expentry[0] = i;
        jj_expentries.addElement(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] = (int[]) jj_expentries.elementAt(i);
    }
    return new ParseException(token, exptokseq, tokenImage);
  }

  final public void enable_tracing() {
  }

  final public void disable_tracing() {
  }

  final private void jj_rescan_token() {
    jj_rescan = true;
    for (int i = 0; i < 2; i++) {
      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;
            case 1:
              jj_3_2();
              break;
          }
        }
        p = p.next;
      }
      while (p != null);
    }
    jj_rescan = false;
  }

  final 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;
  }

//    void handleException(Exception e) {
//      System.out.println(e.toString());  // print the error message
//      System.out.println("Skipping...");
//      Token t;
//      do {
//        t = getNextToken();
//      } while (t.kind != TagEnd);
//    }
}