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net.ripe.db.whois.common.generated.PeerLexer Maven / Gradle / Ivy

/* The following code was generated by JFlex 1.4.3 on 2/08/15 8:21 PM */

package net.ripe.db.whois.common.generated;

import net.ripe.db.whois.common.rpsl.ParserHelper;

/*
  filename: peer.flex

  description:
    Defines the tokenizer for an RPSL peer attribute.

  notes:
    Tokens are defined in the associated grammar, peer.y.
*/


/**
 * This class is a scanner generated by 
 * JFlex 1.4.3
 * on 2/08/15 8:21 PM from the specification file
 * /Users/benjamin/Uni/COMP3500/rpsl4j-parser/src/main/parser/jflex/peer.flex
 */
public class PeerLexer implements net.ripe.db.whois.common.rpsl.AttributeLexer {

  /** This character denotes the end of file */
  public static final int YYEOF = -1;

  /** initial size of the lookahead buffer */
  private static final int ZZ_BUFFERSIZE = 16384;

  /** lexical states */
  public static final int YYINITIAL = 0;

  /**
   * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
   * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
   *                  at the beginning of a line
   * l is of the form l = 2*k, k a non negative integer
   */
  private static final int ZZ_LEXSTATE[] = { 
     0, 0
  };

  /** 
   * Translates characters to character classes
   */
  private static final String ZZ_CMAP_PACKED = 
    "\11\0\1\26\1\26\25\0\1\26\14\0\1\4\1\2\1\0\1\1"+
    "\1\20\1\21\1\16\1\17\1\23\1\24\1\25\1\22\1\15\1\41"+
    "\6\0\1\14\1\40\1\36\1\32\1\34\1\30\1\10\1\3\1\35"+
    "\2\3\1\31\1\33\1\7\1\27\1\5\1\3\1\6\1\13\1\12"+
    "\1\3\1\37\4\3\4\0\1\11\1\0\1\14\1\40\1\36\1\32"+
    "\1\34\1\30\1\10\1\3\1\35\2\3\1\31\1\33\1\7\1\27"+
    "\1\5\1\3\1\6\1\13\1\12\1\3\1\37\4\3\uff85\0";

  /** 
   * Translates characters to character classes
   */
  private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);

  /** 
   * Translates DFA states to action switch labels.
   */
  private static final int [] ZZ_ACTION = zzUnpackAction();

  private static final String ZZ_ACTION_PACKED_0 =
    "\1\0\1\1\1\2\5\3\1\4\7\3\2\0\16\3"+
    "\1\0\4\3\1\5\1\3\1\6\1\3\3\6\3\3"+
    "\1\0\1\5\1\3\1\0\2\3\1\0\3\3\1\0"+
    "\1\7\2\6\2\3\1\10\2\0\2\3\1\0\1\3"+
    "\3\0\2\6\2\0\1\11\1\12\1\13\4\0\2\6"+
    "\1\0\1\14\11\0\2\6\12\0\2\6\10\0\2\6"+
    "\1\15\1\0\4\11\1\0\4\13\2\0\2\6\1\0"+
    "\2\11\1\0\2\13\2\0\1\6\1\0\2\11\1\0"+
    "\2\13\2\0\2\11\2\13\2\0\2\11\2\13\2\0"+
    "\2\11\2\13\1\0\2\11\2\13\2\11\2\13\1\11"+
    "\1\13";

  private static int [] zzUnpackAction() {
    int [] result = new int[180];
    int offset = 0;
    offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackAction(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }


  /** 
   * Translates a state to a row index in the transition table
   */
  private static final int [] ZZ_ROWMAP = zzUnpackRowMap();

  private static final String ZZ_ROWMAP_PACKED_0 =
    "\0\0\0\42\0\104\0\146\0\210\0\252\0\314\0\356"+
    "\0\u0110\0\u0132\0\u0154\0\u0176\0\u0198\0\u01ba\0\u01dc\0\u01fe"+
    "\0\u0220\0\146\0\u0242\0\u0264\0\u0286\0\u02a8\0\u02ca\0\u02ec"+
    "\0\u030e\0\u0330\0\u0352\0\u0374\0\u0396\0\u03b8\0\u03da\0\u03fc"+
    "\0\u041e\0\u0440\0\u0462\0\u0484\0\u04a6\0\u04c8\0\u04ea\0\u050c"+
    "\0\u052e\0\u0550\0\u0572\0\u0594\0\u05b6\0\u05d8\0\u05fa\0\u061c"+
    "\0\146\0\u063e\0\u0660\0\u0682\0\u06a4\0\u06c6\0\u06e8\0\u070a"+
    "\0\u072c\0\u074e\0\146\0\u0770\0\u0792\0\u07b4\0\u07d6\0\146"+
    "\0\u07f8\0\u081a\0\u083c\0\u085e\0\u0880\0\u08a2\0\u08c4\0\u08e6"+
    "\0\u0908\0\u092a\0\u094c\0\u096e\0\u0990\0\u09b2\0\u050c\0\u09d4"+
    "\0\u09f6\0\u0a18\0\u0a3a\0\u0a5c\0\u0a7e\0\u0aa0\0\u0ac2\0\u0990"+
    "\0\u0ae4\0\u0b06\0\u0b28\0\u0b4a\0\u0b6c\0\u0b8e\0\u0bb0\0\u0bd2"+
    "\0\u0bf4\0\u0c16\0\u0c38\0\u0c5a\0\u0c7c\0\u0c9e\0\u0cc0\0\u0ce2"+
    "\0\u0d04\0\u0d26\0\u0d48\0\u0d6a\0\u0d8c\0\u0dae\0\u0dd0\0\u0df2"+
    "\0\u0e14\0\u0e36\0\u0e58\0\u0e7a\0\u0e9c\0\u0ebe\0\u0ee0\0\u0f02"+
    "\0\u0f24\0\42\0\u0f46\0\u0f68\0\u0f8a\0\u0fac\0\u0fce\0\u0ff0"+
    "\0\u1012\0\u1034\0\u1056\0\u1078\0\u109a\0\u10bc\0\u10de\0\u1100"+
    "\0\u1122\0\u1144\0\u1166\0\u1188\0\u11aa\0\u11cc\0\u11ee\0\u1210"+
    "\0\u1232\0\u1254\0\u1276\0\u1298\0\u12ba\0\u12dc\0\u12fe\0\u1320"+
    "\0\u1342\0\u1364\0\u1386\0\u13a8\0\u13ca\0\u13ec\0\u140e\0\u1430"+
    "\0\u1452\0\u1474\0\u1496\0\u14b8\0\u14da\0\u14fc\0\u151e\0\u1540"+
    "\0\u1562\0\u1584\0\u15a6\0\u15c8\0\u15ea\0\u160c\0\u162e\0\u1650"+
    "\0\u1672\0\u1694\0\u16b6\0\u16d8";

  private static int [] zzUnpackRowMap() {
    int [] result = new int[180];
    int offset = 0;
    offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackRowMap(String packed, int offset, int [] result) {
    int i = 0;  /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int high = packed.charAt(i++) << 16;
      result[j++] = high | packed.charAt(i++);
    }
    return j;
  }

  /** 
   * The transition table of the DFA
   */
  private static final int [] ZZ_TRANS = zzUnpackTrans();

  private static final String ZZ_TRANS_PACKED_0 =
    "\1\2\1\3\1\2\1\4\1\2\1\5\1\6\2\4"+
    "\1\2\1\4\1\7\1\10\11\3\1\11\1\12\1\13"+
    "\1\4\1\14\1\15\1\4\1\16\1\17\1\4\1\20"+
    "\1\2\43\0\1\3\1\21\12\0\11\3\15\0\1\4"+
    "\1\0\1\4\1\22\4\4\1\0\14\4\1\0\12\4"+
    "\2\0\1\4\1\0\1\4\1\22\1\4\1\23\2\4"+
    "\1\0\14\4\1\0\5\4\1\24\1\25\3\4\2\0"+
    "\1\4\1\0\1\4\1\22\4\4\1\0\1\26\13\4"+
    "\1\0\6\4\1\27\3\4\2\0\1\4\1\0\1\4"+
    "\1\22\4\4\1\0\1\30\13\4\1\0\12\4\2\0"+
    "\1\4\1\0\1\4\1\22\4\4\1\0\1\4\1\31"+
    "\12\4\1\0\12\4\27\0\1\11\14\0\1\4\1\0"+
    "\1\4\1\22\4\4\1\0\1\4\1\32\12\4\1\0"+
    "\12\4\2\0\1\4\1\0\1\4\1\22\4\4\1\0"+
    "\14\4\1\0\2\4\1\33\7\4\2\0\1\4\1\0"+
    "\1\4\1\22\4\4\1\0\14\4\1\0\10\4\1\34"+
    "\1\4\2\0\1\4\1\0\1\4\1\22\4\4\1\0"+
    "\14\4\1\0\1\12\11\4\2\0\1\4\1\0\1\4"+
    "\1\22\3\4\1\35\1\0\1\4\1\36\12\4\1\0"+
    "\12\4\2\0\1\4\1\0\1\4\1\22\4\4\1\0"+
    "\14\4\1\0\11\4\1\37\2\0\1\4\1\0\1\4"+
    "\1\22\3\4\1\40\1\0\14\4\1\0\12\4\2\0"+
    "\1\41\13\0\11\41\15\0\1\4\1\0\1\4\1\22"+
    "\2\4\1\42\1\4\1\0\14\4\1\0\12\4\2\0"+
    "\1\4\1\0\1\4\1\22\4\4\1\0\14\4\1\0"+
    "\5\4\1\43\4\4\2\0\1\4\1\0\1\4\1\22"+
    "\4\4\1\0\14\4\1\0\4\4\1\44\5\4\2\0"+
    "\1\4\1\0\1\4\1\22\1\4\1\45\2\4\1\0"+
    "\14\4\1\0\12\4\2\0\1\4\1\0\1\4\1\22"+
    "\1\46\3\4\1\0\14\4\1\0\12\4\2\0\1\4"+
    "\1\0\1\4\1\22\4\4\1\0\2\4\1\47\11\4"+
    "\1\0\12\4\2\0\1\50\1\0\1\4\1\22\2\4"+
    "\1\51\1\4\1\0\3\4\1\52\1\53\1\54\2\53"+
    "\4\52\1\0\12\4\2\0\1\4\1\0\1\4\1\22"+
    "\1\55\3\4\1\0\14\4\1\0\12\4\2\0\1\4"+
    "\1\0\1\4\1\22\4\4\1\0\2\4\1\56\11\4"+
    "\1\0\12\4\2\0\1\4\1\0\1\4\1\22\4\4"+
    "\1\0\14\4\1\0\4\4\1\35\5\4\2\0\1\4"+
    "\1\0\1\4\1\22\1\4\1\57\2\4\1\0\14\4"+
    "\1\0\12\4\2\0\1\4\1\0\1\4\1\60\4\4"+
    "\1\0\14\4\1\0\12\4\2\0\1\4\1\0\1\4"+
    "\1\22\4\4\1\0\1\61\13\4\1\0\12\4\2\0"+
    "\1\4\1\0\1\4\1\22\1\62\3\4\1\0\14\4"+
    "\1\0\12\4\2\0\1\41\1\63\12\0\11\41\15\0"+
    "\1\4\1\0\1\4\1\22\3\4\1\64\1\0\14\4"+
    "\1\0\12\4\2\0\1\4\1\0\1\4\1\22\1\4"+
    "\1\65\2\4\1\0\14\4\1\0\12\4\2\0\1\4"+
    "\1\0\1\4\1\66\4\4\1\0\14\4\1\0\12\4"+
    "\2\0\1\4\1\0\1\4\1\22\4\4\1\0\1\4"+
    "\1\67\12\4\1\0\12\4\2\0\1\4\1\0\1\4"+
    "\1\22\2\4\1\70\1\4\1\0\14\4\1\0\12\4"+
    "\2\0\1\4\1\0\1\4\1\22\4\4\1\0\1\71"+
    "\13\4\1\0\12\4\2\0\1\4\1\0\1\4\1\22"+
    "\4\4\1\0\14\4\1\0\12\4\1\72\1\0\1\4"+
    "\1\0\1\4\1\22\4\4\1\0\14\4\1\0\1\73"+
    "\11\4\2\0\1\74\1\0\1\4\1\22\4\4\1\0"+
    "\3\4\11\74\1\0\12\4\1\72\1\0\1\52\1\0"+
    "\1\4\1\22\4\4\1\0\3\4\11\52\1\0\12\4"+
    "\1\72\1\0\1\52\1\0\1\4\1\22\4\4\1\0"+
    "\3\4\3\74\1\52\1\75\4\74\1\0\12\4\1\72"+
    "\1\0\1\4\1\0\1\4\1\22\4\4\1\0\14\4"+
    "\1\0\1\4\1\61\10\4\2\0\1\4\1\0\1\4"+
    "\1\22\1\76\3\4\1\0\14\4\1\0\12\4\2\0"+
    "\1\4\1\0\1\4\1\22\1\61\3\4\1\0\14\4"+
    "\1\0\12\4\2\0\1\4\1\0\1\4\1\22\4\4"+
    "\1\0\14\4\1\0\6\4\1\77\3\4\2\0\1\4"+
    "\1\0\1\4\1\22\4\4\1\0\5\4\1\100\6\4"+
    "\1\0\12\4\2\0\1\101\13\0\11\101\15\0\1\4"+
    "\1\0\1\4\1\102\4\4\1\0\14\4\1\0\12\4"+
    "\2\0\1\4\1\0\1\4\1\22\4\4\1\0\2\4"+
    "\1\103\11\4\1\0\12\4\2\0\1\4\1\0\1\4"+
    "\1\22\4\4\1\0\1\4\1\104\12\4\1\0\3\4"+
    "\1\104\6\4\2\0\1\4\1\0\1\4\1\105\4\4"+
    "\1\0\14\4\1\0\12\4\2\0\1\4\1\0\1\4"+
    "\1\22\3\4\1\61\1\0\14\4\1\0\12\4\2\0"+
    "\1\4\1\0\1\4\1\22\4\4\1\0\14\4\1\0"+
    "\6\4\1\106\3\4\6\0\1\107\1\110\5\0\1\111"+
    "\26\0\1\112\1\0\1\4\1\22\4\4\1\0\3\4"+
    "\11\112\1\0\12\4\1\72\1\0\1\74\1\0\1\4"+
    "\1\22\4\4\1\0\3\4\1\113\10\74\1\0\12\4"+
    "\1\72\1\0\1\4\1\0\1\4\1\22\4\4\1\114"+
    "\14\4\1\0\12\4\2\0\1\4\1\0\1\4\1\22"+
    "\4\4\1\0\1\4\1\61\12\4\1\0\12\4\2\0"+
    "\1\101\1\115\12\0\11\101\15\0\1\116\1\0\1\116"+
    "\1\102\4\116\1\102\14\116\1\0\12\116\2\0\1\4"+
    "\1\0\1\4\1\22\4\4\1\0\1\4\1\117\12\4"+
    "\1\0\12\4\2\0\1\4\1\0\1\4\1\22\4\4"+
    "\1\0\14\4\1\0\4\4\1\61\5\4\2\0\1\120"+
    "\1\0\1\120\1\105\4\120\1\105\14\120\1\0\12\120"+
    "\2\0\1\4\1\0\1\4\1\22\4\4\1\0\14\4"+
    "\1\0\7\4\1\61\2\4\7\0\1\121\25\0\1\122"+
    "\17\0\1\123\42\0\1\124\27\0\1\125\1\0\1\4"+
    "\1\22\4\4\1\0\3\4\11\125\1\0\12\4\1\72"+
    "\1\0\1\112\1\0\1\4\1\22\4\4\1\0\3\4"+
    "\1\125\1\112\1\126\2\112\4\125\1\0\12\4\1\72"+
    "\32\0\1\127\10\0\1\130\13\0\11\130\15\0\1\116"+
    "\1\0\1\116\1\102\4\116\1\102\14\116\1\0\12\116"+
    "\1\131\1\0\1\120\1\0\1\120\1\105\4\120\1\105"+
    "\14\120\1\0\12\120\1\132\7\0\1\133\66\0\1\134"+
    "\13\0\1\135\34\0\1\136\13\0\1\137\1\140\1\141"+
    "\2\140\4\137\15\0\1\142\1\0\1\4\1\22\4\4"+
    "\1\0\3\4\11\142\1\0\12\4\1\72\1\0\1\125"+
    "\1\0\1\4\1\22\4\4\1\0\3\4\1\143\10\125"+
    "\1\0\12\4\1\72\14\0\1\144\32\0\1\145\6\0"+
    "\1\146\32\0\1\147\1\110\5\0\1\150\35\0\1\151"+
    "\37\0\1\152\46\0\1\153\67\0\1\72\1\0\1\154"+
    "\13\0\11\154\13\0\1\72\1\0\1\137\13\0\11\137"+
    "\13\0\1\72\1\0\1\137\13\0\3\154\1\137\1\155"+
    "\4\154\13\0\1\72\1\0\1\156\1\0\1\4\1\22"+
    "\4\4\1\0\3\4\11\156\1\0\12\4\1\72\1\0"+
    "\1\142\1\0\1\4\1\22\4\4\1\0\3\4\1\156"+
    "\4\142\1\156\1\142\1\157\1\156\1\0\12\4\1\72"+
    "\33\0\1\160\14\0\1\121\25\0\1\161\20\0\1\162"+
    "\62\0\1\163\20\0\1\164\32\0\1\102\51\0\1\165"+
    "\31\0\1\105\36\0\1\166\13\0\11\166\13\0\1\72"+
    "\1\0\1\154\13\0\1\167\10\154\13\0\1\72\1\0"+
    "\1\170\1\0\1\4\1\22\4\4\1\0\3\4\11\170"+
    "\1\0\12\4\1\72\1\0\1\156\1\0\1\4\1\22"+
    "\4\4\1\0\3\4\1\170\4\156\1\170\2\156\1\171"+
    "\1\0\12\4\1\72\5\0\1\172\70\0\1\173\6\0"+
    "\1\174\13\0\1\175\1\176\1\177\2\176\4\175\50\0"+
    "\1\200\6\0\1\201\13\0\1\202\1\203\1\204\2\203"+
    "\4\202\27\0\1\136\27\0\1\205\13\0\11\205\13\0"+
    "\1\72\1\0\1\166\13\0\1\205\1\166\1\206\2\166"+
    "\4\205\13\0\1\72\1\0\1\207\1\0\1\4\1\22"+
    "\4\4\1\0\3\4\11\207\1\0\12\4\1\72\1\0"+
    "\1\170\1\0\1\4\1\22\4\4\1\0\3\4\3\207"+
    "\1\170\1\210\4\207\1\0\12\4\1\72\6\0\1\211"+
    "\74\0\1\131\1\0\1\212\13\0\11\212\13\0\1\131"+
    "\1\0\1\175\13\0\11\175\13\0\1\131\1\0\1\175"+
    "\13\0\3\212\1\175\1\213\4\212\13\0\1\131\6\0"+
    "\1\214\74\0\1\132\1\0\1\215\13\0\11\215\13\0"+
    "\1\132\1\0\1\202\13\0\11\202\13\0\1\132\1\0"+
    "\1\202\13\0\3\215\1\202\1\216\4\215\13\0\1\132"+
    "\1\0\1\217\13\0\11\217\13\0\1\72\1\0\1\205"+
    "\13\0\1\220\10\205\13\0\1\72\1\0\1\50\1\0"+
    "\1\4\1\22\4\4\1\0\3\4\11\50\1\0\12\4"+
    "\1\72\1\0\1\207\1\0\1\4\1\22\4\4\1\0"+
    "\3\4\1\221\10\207\1\0\12\4\1\72\14\0\1\222"+
    "\26\0\1\223\13\0\11\223\13\0\1\131\1\0\1\212"+
    "\13\0\1\224\10\212\13\0\1\131\14\0\1\225\26\0"+
    "\1\226\13\0\11\226\13\0\1\132\1\0\1\215\13\0"+
    "\1\227\10\215\13\0\1\132\1\0\1\230\13\0\11\230"+
    "\13\0\1\72\1\0\1\217\13\0\1\230\4\217\1\230"+
    "\1\217\1\231\1\230\13\0\1\72\1\0\1\50\1\0"+
    "\1\4\1\22\4\4\1\0\4\4\4\50\1\4\1\50"+
    "\2\4\1\0\12\4\1\72\13\0\1\174\27\0\1\232"+
    "\13\0\11\232\13\0\1\131\1\0\1\223\13\0\1\232"+
    "\1\223\1\233\2\223\4\232\13\0\1\131\13\0\1\201"+
    "\27\0\1\234\13\0\11\234\13\0\1\132\1\0\1\226"+
    "\13\0\1\234\1\226\1\235\2\226\4\234\13\0\1\132"+
    "\1\0\1\236\13\0\11\236\13\0\1\72\1\0\1\230"+
    "\13\0\1\236\4\230\1\236\2\230\1\237\13\0\1\72"+
    "\1\0\1\240\13\0\11\240\13\0\1\131\1\0\1\232"+
    "\13\0\1\241\10\232\13\0\1\131\1\0\1\242\13\0"+
    "\11\242\13\0\1\132\1\0\1\234\13\0\1\243\10\234"+
    "\13\0\1\132\1\0\1\244\13\0\11\244\13\0\1\72"+
    "\1\0\1\236\13\0\3\244\1\236\1\245\4\244\13\0"+
    "\1\72\1\0\1\246\13\0\11\246\13\0\1\131\1\0"+
    "\1\240\13\0\1\246\4\240\1\246\1\240\1\247\1\246"+
    "\13\0\1\131\1\0\1\250\13\0\11\250\13\0\1\132"+
    "\1\0\1\242\13\0\1\250\4\242\1\250\1\242\1\251"+
    "\1\250\13\0\1\132\1\0\1\136\13\0\11\136\13\0"+
    "\1\72\1\0\1\244\13\0\1\252\10\244\13\0\1\72"+
    "\1\0\1\253\13\0\11\253\13\0\1\131\1\0\1\246"+
    "\13\0\1\253\4\246\1\253\2\246\1\254\13\0\1\131"+
    "\1\0\1\255\13\0\11\255\13\0\1\132\1\0\1\250"+
    "\13\0\1\255\4\250\1\255\2\250\1\256\13\0\1\132"+
    "\1\0\1\136\14\0\4\136\1\0\1\136\15\0\1\72"+
    "\1\0\1\257\13\0\11\257\13\0\1\131\1\0\1\253"+
    "\13\0\3\257\1\253\1\260\4\257\13\0\1\131\1\0"+
    "\1\261\13\0\11\261\13\0\1\132\1\0\1\255\13\0"+
    "\3\261\1\255\1\262\4\261\13\0\1\132\1\0\1\174"+
    "\13\0\11\174\13\0\1\131\1\0\1\257\13\0\1\263"+
    "\10\257\13\0\1\131\1\0\1\201\13\0\11\201\13\0"+
    "\1\132\1\0\1\261\13\0\1\264\10\261\13\0\1\132"+
    "\1\0\1\174\14\0\4\174\1\0\1\174\15\0\1\131"+
    "\1\0\1\201\14\0\4\201\1\0\1\201\15\0\1\132";

  private static int [] zzUnpackTrans() {
    int [] result = new int[5882];
    int offset = 0;
    offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackTrans(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      value--;
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }


  /* error codes */
  private static final int ZZ_UNKNOWN_ERROR = 0;
  private static final int ZZ_NO_MATCH = 1;
  private static final int ZZ_PUSHBACK_2BIG = 2;

  /* error messages for the codes above */
  private static final String ZZ_ERROR_MSG[] = {
    "Unkown internal scanner error",
    "Error: could not match input",
    "Error: pushback value was too large"
  };

  /**
   * ZZ_ATTRIBUTE[aState] contains the attributes of state aState
   */
  private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();

  private static final String ZZ_ATTRIBUTE_PACKED_0 =
    "\1\0\1\11\16\1\2\0\16\1\1\0\16\1\1\0"+
    "\2\1\1\0\2\1\1\0\3\1\1\0\6\1\2\0"+
    "\2\1\1\0\1\1\3\0\2\1\2\0\3\1\4\0"+
    "\2\1\1\0\1\1\11\0\2\1\12\0\2\1\10\0"+
    "\2\1\1\11\1\0\4\1\1\0\4\1\2\0\2\1"+
    "\1\0\2\1\1\0\2\1\2\0\1\1\1\0\2\1"+
    "\1\0\2\1\2\0\4\1\2\0\4\1\2\0\4\1"+
    "\1\0\12\1";

  private static int [] zzUnpackAttribute() {
    int [] result = new int[180];
    int offset = 0;
    offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackAttribute(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }

  /** the input device */
  private java.io.Reader zzReader;

  /** the current state of the DFA */
  private int zzState;

  /** the current lexical state */
  private int zzLexicalState = YYINITIAL;

  /** this buffer contains the current text to be matched and is
      the source of the yytext() string */
  private char zzBuffer[] = new char[ZZ_BUFFERSIZE];

  /** the textposition at the last accepting state */
  private int zzMarkedPos;

  /** the current text position in the buffer */
  private int zzCurrentPos;

  /** startRead marks the beginning of the yytext() string in the buffer */
  private int zzStartRead;

  /** endRead marks the last character in the buffer, that has been read
      from input */
  private int zzEndRead;

  /** number of newlines encountered up to the start of the matched text */
  private int yyline;

  /** the number of characters up to the start of the matched text */
  private int yychar;

  /**
   * the number of characters from the last newline up to the start of the 
   * matched text
   */
  private int yycolumn;

  /** 
   * zzAtBOL == true <=> the scanner is currently at the beginning of a line
   */
  private boolean zzAtBOL = true;

  /** zzAtEOF == true <=> the scanner is at the EOF */
  private boolean zzAtEOF;

  /** denotes if the user-EOF-code has already been executed */
  private boolean zzEOFDone;

  /* user code: */
    /* store a reference to the parser object */
    private PeerParser yyparser;

    /* constructor taking an additional parser object */
    public PeerLexer(java.io.Reader r, PeerParser yyparser) {
        this(r);
        this.yyparser = yyparser;
    }

    /* assign value associated with current token to the external parser variable yylval. */
    private void storeTokenValue() {
        if ((this.yyparser != null) && (this.yyparser.yylval != null)) {
            yyparser.yylval.sval = yytext();
        }
    }


  /**
   * Creates a new scanner
   * There is also a java.io.InputStream version of this constructor.
   *
   * @param   in  the java.io.Reader to read input from.
   */
  public PeerLexer(java.io.Reader in) {
    this.zzReader = in;
  }

  /**
   * Creates a new scanner.
   * There is also java.io.Reader version of this constructor.
   *
   * @param   in  the java.io.Inputstream to read input from.
   */
  public PeerLexer(java.io.InputStream in) {
    this(new java.io.InputStreamReader(in));
  }

  /** 
   * Unpacks the compressed character translation table.
   *
   * @param packed   the packed character translation table
   * @return         the unpacked character translation table
   */
  private static char [] zzUnpackCMap(String packed) {
    char [] map = new char[0x10000];
    int i = 0;  /* index in packed string  */
    int j = 0;  /* index in unpacked array */
    while (i < 138) {
      int  count = packed.charAt(i++);
      char value = packed.charAt(i++);
      do map[j++] = value; while (--count > 0);
    }
    return map;
  }


  /**
   * Refills the input buffer.
   *
   * @return      false, iff there was new input.
   * 
   * @exception   java.io.IOException  if any I/O-Error occurs
   */
  private boolean zzRefill() throws java.io.IOException {

    /* first: make room (if you can) */
    if (zzStartRead > 0) {
      System.arraycopy(zzBuffer, zzStartRead,
                       zzBuffer, 0,
                       zzEndRead-zzStartRead);

      /* translate stored positions */
      zzEndRead-= zzStartRead;
      zzCurrentPos-= zzStartRead;
      zzMarkedPos-= zzStartRead;
      zzStartRead = 0;
    }

    /* is the buffer big enough? */
    if (zzCurrentPos >= zzBuffer.length) {
      /* if not: blow it up */
      char newBuffer[] = new char[zzCurrentPos*2];
      System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length);
      zzBuffer = newBuffer;
    }

    /* finally: fill the buffer with new input */
    int numRead = zzReader.read(zzBuffer, zzEndRead,
                                            zzBuffer.length-zzEndRead);

    if (numRead > 0) {
      zzEndRead+= numRead;
      return false;
    }
    // unlikely but not impossible: read 0 characters, but not at end of stream    
    if (numRead == 0) {
      int c = zzReader.read();
      if (c == -1) {
        return true;
      } else {
        zzBuffer[zzEndRead++] = (char) c;
        return false;
      }     
    }

	// numRead < 0
    return true;
  }

    
  /**
   * Closes the input stream.
   */
  public final void yyclose() throws java.io.IOException {
    zzAtEOF = true;            /* indicate end of file */
    zzEndRead = zzStartRead;  /* invalidate buffer    */

    if (zzReader != null)
      zzReader.close();
  }


  /**
   * Resets the scanner to read from a new input stream.
   * Does not close the old reader.
   *
   * All internal variables are reset, the old input stream 
   * cannot be reused (internal buffer is discarded and lost).
   * Lexical state is set to ZZ_INITIAL.
   *
   * @param reader   the new input stream 
   */
  public final void yyreset(java.io.Reader reader) {
    zzReader = reader;
    zzAtBOL  = true;
    zzAtEOF  = false;
    zzEOFDone = false;
    zzEndRead = zzStartRead = 0;
    zzCurrentPos = zzMarkedPos = 0;
    yyline = yychar = yycolumn = 0;
    zzLexicalState = YYINITIAL;
  }


  /**
   * Returns the current lexical state.
   */
  public final int yystate() {
    return zzLexicalState;
  }


  /**
   * Enters a new lexical state
   *
   * @param newState the new lexical state
   */
  public final void yybegin(int newState) {
    zzLexicalState = newState;
  }


  /**
   * Returns the text matched by the current regular expression.
   */
  public final String yytext() {
    return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead );
  }


  /**
   * Returns the character at position pos from the 
   * matched text. 
   * 
   * It is equivalent to yytext().charAt(pos), but faster
   *
   * @param pos the position of the character to fetch. 
   *            A value from 0 to yylength()-1.
   *
   * @return the character at position pos
   */
  public final char yycharat(int pos) {
    return zzBuffer[zzStartRead+pos];
  }


  /**
   * Returns the length of the matched text region.
   */
  public final int yylength() {
    return zzMarkedPos-zzStartRead;
  }


  /**
   * Reports an error that occured while scanning.
   *
   * In a wellformed scanner (no or only correct usage of 
   * yypushback(int) and a match-all fallback rule) this method 
   * will only be called with things that "Can't Possibly Happen".
   * If this method is called, something is seriously wrong
   * (e.g. a JFlex bug producing a faulty scanner etc.).
   *
   * Usual syntax/scanner level error handling should be done
   * in error fallback rules.
   *
   * @param   errorCode  the code of the errormessage to display
   */
  private void zzScanError(int errorCode) {
    String message;
    try {
      message = ZZ_ERROR_MSG[errorCode];
    }
    catch (ArrayIndexOutOfBoundsException e) {
      message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
    }

    throw new Error(message);
  } 


  /**
   * Pushes the specified amount of characters back into the input stream.
   *
   * They will be read again by then next call of the scanning method
   *
   * @param number  the number of characters to be read again.
   *                This number must not be greater than yylength()!
   */
  public void yypushback(int number)  {
    if ( number > yylength() )
      zzScanError(ZZ_PUSHBACK_2BIG);

    zzMarkedPos -= number;
  }


  /**
   * Contains user EOF-code, which will be executed exactly once,
   * when the end of file is reached
   */
  private void zzDoEOF() throws java.io.IOException {
    if (!zzEOFDone) {
      zzEOFDone = true;
      yyclose();
    }
  }


  /**
   * Resumes scanning until the next regular expression is matched,
   * the end of input is encountered or an I/O-Error occurs.
   *
   * @return      the next token
   * @exception   java.io.IOException  if any I/O-Error occurs
   */
  public int yylex() throws java.io.IOException {
    int zzInput;
    int zzAction;

    // cached fields:
    int zzCurrentPosL;
    int zzMarkedPosL;
    int zzEndReadL = zzEndRead;
    char [] zzBufferL = zzBuffer;
    char [] zzCMapL = ZZ_CMAP;

    int [] zzTransL = ZZ_TRANS;
    int [] zzRowMapL = ZZ_ROWMAP;
    int [] zzAttrL = ZZ_ATTRIBUTE;

    while (true) {
      zzMarkedPosL = zzMarkedPos;

      yychar+= zzMarkedPosL-zzStartRead;

      boolean zzR = false;
      for (zzCurrentPosL = zzStartRead; zzCurrentPosL < zzMarkedPosL;
                                                             zzCurrentPosL++) {
        switch (zzBufferL[zzCurrentPosL]) {
        case '\u000B':
        case '\u000C':
        case '\u0085':
        case '\u2028':
        case '\u2029':
          yyline++;
          yycolumn = 0;
          zzR = false;
          break;
        case '\r':
          yyline++;
          yycolumn = 0;
          zzR = true;
          break;
        case '\n':
          if (zzR)
            zzR = false;
          else {
            yyline++;
            yycolumn = 0;
          }
          break;
        default:
          zzR = false;
          yycolumn++;
        }
      }

      if (zzR) {
        // peek one character ahead if it is \n (if we have counted one line too much)
        boolean zzPeek;
        if (zzMarkedPosL < zzEndReadL)
          zzPeek = zzBufferL[zzMarkedPosL] == '\n';
        else if (zzAtEOF)
          zzPeek = false;
        else {
          boolean eof = zzRefill();
          zzEndReadL = zzEndRead;
          zzMarkedPosL = zzMarkedPos;
          zzBufferL = zzBuffer;
          if (eof) 
            zzPeek = false;
          else 
            zzPeek = zzBufferL[zzMarkedPosL] == '\n';
        }
        if (zzPeek) yyline--;
      }
      zzAction = -1;

      zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
  
      zzState = ZZ_LEXSTATE[zzLexicalState];


      zzForAction: {
        while (true) {
    
          if (zzCurrentPosL < zzEndReadL)
            zzInput = zzBufferL[zzCurrentPosL++];
          else if (zzAtEOF) {
            zzInput = YYEOF;
            break zzForAction;
          }
          else {
            // store back cached positions
            zzCurrentPos  = zzCurrentPosL;
            zzMarkedPos   = zzMarkedPosL;
            boolean eof = zzRefill();
            // get translated positions and possibly new buffer
            zzCurrentPosL  = zzCurrentPos;
            zzMarkedPosL   = zzMarkedPos;
            zzBufferL      = zzBuffer;
            zzEndReadL     = zzEndRead;
            if (eof) {
              zzInput = YYEOF;
              break zzForAction;
            }
            else {
              zzInput = zzBufferL[zzCurrentPosL++];
            }
          }
          int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
          if (zzNext == -1) break zzForAction;
          zzState = zzNext;

          int zzAttributes = zzAttrL[zzState];
          if ( (zzAttributes & 1) == 1 ) {
            zzAction = zzState;
            zzMarkedPosL = zzCurrentPosL;
            if ( (zzAttributes & 8) == 8 ) break zzForAction;
          }

        }
      }

      // store back cached position
      zzMarkedPos = zzMarkedPosL;

      switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
        case 6: 
          { ParserHelper.validateAsNumber(yytext());
    return PeerParser.TKN_ASNO;
          }
        case 14: break;
        case 9: 
          { return PeerParser.TKN_PRNGNAME;
          }
        case 15: break;
        case 13: 
          { return PeerParser.KEYW_FLAP_DAMP;
          }
        case 16: break;
        case 8: 
          { return PeerParser.TKN_BGP4;
          }
        case 17: break;
        case 5: 
          { return PeerParser.TKN_SIMPLE_PROTOCOL;
          }
        case 18: break;
        case 10: 
          { return PeerParser.KEYW_PEERAS;
          }
        case 19: break;
        case 4: 
          { ;
          }
        case 20: break;
        case 1: 
          { return yytext().charAt(0);
          }
        case 21: break;
        case 11: 
          { return PeerParser.TKN_RTRSNAME;
          }
        case 22: break;
        case 7: 
          { return PeerParser.KEYW_ASNO;
          }
        case 23: break;
        case 12: 
          { ParserHelper.validateIpv4(yytext());
    return PeerParser.TKN_IPV4;
          }
        case 24: break;
        case 3: 
          { ParserHelper.validateDomainNameLabel(yytext());
    storeTokenValue();
    return PeerParser.TKN_DNS;
          }
        case 25: break;
        case 2: 
          { /* check port is in range */
    ParserHelper.validateSmallInt(yytext());
    return PeerParser.TKN_SMALLINT;
          }
        case 26: break;
        default: 
          if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
            zzAtEOF = true;
            zzDoEOF();
              { return 0; }
          } 
          else {
            zzScanError(ZZ_NO_MATCH);
          }
      }
    }
  }


}




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