standardtokenizerimpl.java

lucene-2.4.0 是一个全文收索的工具包

/* The following code was generated by JFlex 1.4.1 on 9/4/08 6:49 PM */

package org.apache.lucene.analysis.standard;

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

/*

NOTE: if you change this file and need to regenerate the tokenizer,
      remember to use JRE 1.4 when running jflex (before Lucene 3.0).
      This grammar now uses constructs (eg :digit:) whose meaning can
      vary according to the JRE used to run jflex.  See
      https://issues.apache.org/jira/browse/LUCENE-1126 for details

*/

import org.apache.lucene.analysis.Token;


/**
 * This class is a scanner generated by 
 * <a href="http://www.jflex.de/">JFlex</a> 1.4.1
 * on 9/4/08 6:49 PM from the specification file
 * <tt>/tango/mike/src/lucene.standarddigit/src/java/org/apache/lucene/analysis/standard/StandardTokenizerImpl.jflex</tt>
 */
class StandardTokenizerImpl {

  /** 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;

  /** 
   * Translates characters to character classes
   */
  private static final String ZZ_CMAP_PACKED = 
    "\11\0\1\0\1\15\1\0\1\0\1\14\22\0\1\0\5\0\1\5"+
    "\1\3\4\0\1\11\1\7\1\4\1\11\12\2\6\0\1\6\32\12"+
    "\4\0\1\10\1\0\32\12\57\0\1\12\12\0\1\12\4\0\1\12"+
    "\5\0\27\12\1\0\37\12\1\0\u0128\12\2\0\22\12\34\0\136\12"+
    "\2\0\11\12\2\0\7\12\16\0\2\12\16\0\5\12\11\0\1\12"+
    "\213\0\1\12\13\0\1\12\1\0\3\12\1\0\1\12\1\0\24\12"+
    "\1\0\54\12\1\0\10\12\2\0\32\12\14\0\202\12\12\0\71\12"+
    "\2\0\2\12\2\0\2\12\3\0\46\12\2\0\2\12\67\0\46\12"+
    "\2\0\1\12\7\0\47\12\110\0\33\12\5\0\3\12\56\0\32\12"+
    "\5\0\13\12\25\0\12\2\7\0\143\12\1\0\1\12\17\0\2\12"+
    "\11\0\12\2\3\12\23\0\1\12\1\0\33\12\123\0\46\12\u015f\0"+
    "\65\12\3\0\1\12\22\0\1\12\7\0\12\12\4\0\12\2\25\0"+
    "\10\12\2\0\2\12\2\0\26\12\1\0\7\12\1\0\1\12\3\0"+
    "\4\12\42\0\2\12\1\0\3\12\4\0\12\2\2\12\23\0\6\12"+
    "\4\0\2\12\2\0\26\12\1\0\7\12\1\0\2\12\1\0\2\12"+
    "\1\0\2\12\37\0\4\12\1\0\1\12\7\0\12\2\2\0\3\12"+
    "\20\0\7\12\1\0\1\12\1\0\3\12\1\0\26\12\1\0\7\12"+
    "\1\0\2\12\1\0\5\12\3\0\1\12\22\0\1\12\17\0\1\12"+
    "\5\0\12\2\25\0\10\12\2\0\2\12\2\0\26\12\1\0\7\12"+
    "\1\0\2\12\2\0\4\12\3\0\1\12\36\0\2\12\1\0\3\12"+
    "\4\0\12\2\25\0\6\12\3\0\3\12\1\0\4\12\3\0\2\12"+
    "\1\0\1\12\1\0\2\12\3\0\2\12\3\0\3\12\3\0\10\12"+
    "\1\0\3\12\55\0\11\2\25\0\10\12\1\0\3\12\1\0\27\12"+
    "\1\0\12\12\1\0\5\12\46\0\2\12\4\0\12\2\25\0\10\12"+
    "\1\0\3\12\1\0\27\12\1\0\12\12\1\0\5\12\44\0\1\12"+
    "\1\0\2\12\4\0\12\2\25\0\10\12\1\0\3\12\1\0\27\12"+
    "\1\0\20\12\46\0\2\12\4\0\12\2\25\0\22\12\3\0\30\12"+
    "\1\0\11\12\1\0\1\12\2\0\7\12\71\0\1\1\60\12\1\1"+
    "\2\12\14\1\7\12\11\1\12\2\47\0\2\12\1\0\1\12\2\0"+
    "\2\12\1\0\1\12\2\0\1\12\6\0\4\12\1\0\7\12\1\0"+
    "\3\12\1\0\1\12\1\0\1\12\2\0\2\12\1\0\4\12\1\0"+
    "\2\12\11\0\1\12\2\0\5\12\1\0\1\12\11\0\12\2\2\0"+
    "\2\12\42\0\1\12\37\0\12\2\26\0\10\12\1\0\42\12\35\0"+
    "\4\12\164\0\42\12\1\0\5\12\1\0\2\12\25\0\12\2\6\0"+
    "\6\12\112\0\46\12\12\0\47\12\11\0\132\12\5\0\104\12\5\0"+
    "\122\12\6\0\7\12\1\0\77\12\1\0\1\12\1\0\4\12\2\0"+
    "\7\12\1\0\1\12\1\0\4\12\2\0\47\12\1\0\1\12\1\0"+
    "\4\12\2\0\37\12\1\0\1\12\1\0\4\12\2\0\7\12\1\0"+
    "\1\12\1\0\4\12\2\0\7\12\1\0\7\12\1\0\27\12\1\0"+
    "\37\12\1\0\1\12\1\0\4\12\2\0\7\12\1\0\47\12\1\0"+
    "\23\12\16\0\11\2\56\0\125\12\14\0\u026c\12\2\0\10\12\12\0"+
    "\32\12\5\0\113\12\225\0\64\12\54\0\12\2\46\0\12\2\6\0"+
    "\130\12\10\0\51\12\u0557\0\234\12\4\0\132\12\6\0\26\12\2\0"+
    "\6\12\2\0\46\12\2\0\6\12\2\0\10\12\1\0\1\12\1\0"+
    "\1\12\1\0\1\12\1\0\37\12\2\0\65\12\1\0\7\12\1\0"+
    "\1\12\3\0\3\12\1\0\7\12\3\0\4\12\2\0\6\12\4\0"+
    "\15\12\5\0\3\12\1\0\7\12\202\0\1\12\202\0\1\12\4\0"+
    "\1\12\2\0\12\12\1\0\1\12\3\0\5\12\6\0\1\12\1\0"+
    "\1\12\1\0\1\12\1\0\4\12\1\0\3\12\1\0\7\12\u0ecb\0"+
    "\2\12\52\0\5\12\12\0\1\13\124\13\10\13\2\13\2\13\132\13"+
    "\1\13\3\13\6\13\50\13\3\13\1\0\136\12\21\0\30\12\70\0"+
    "\20\13\u0100\0\200\13\200\0\u19b6\13\12\13\100\0\u51a6\13\132\13\u048d\12"+
    "\u0773\0\u2ba4\12\u215c\0\u012e\13\322\13\7\12\14\0\5\12\5\0\1\12"+
    "\1\0\12\12\1\0\15\12\1\0\5\12\1\0\1\12\1\0\2\12"+
    "\1\0\2\12\1\0\154\12\41\0\u016b\12\22\0\100\12\2\0\66\12"+
    "\50\0\14\12\164\0\3\12\1\0\1\12\1\0\207\12\23\0\12\2"+
    "\7\0\32\12\6\0\32\12\12\0\1\13\72\13\37\12\3\0\6\12"+
    "\2\0\6\12\2\0\6\12\2\0\3\12\43\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\3\2\1\3\1\1\13\0\1\2\3\4"+
    "\2\0\1\5\1\0\1\5\3\4\6\5\1\6\1\4"+
    "\2\7\1\10\1\0\1\10\3\0\2\10\1\11\1\12"+
    "\1\4";

  private static int [] zzUnpackAction() {
    int [] result = new int[51];
    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\16\0\34\0\52\0\70\0\16\0\106\0\124"+
    "\0\142\0\160\0\176\0\214\0\232\0\250\0\266\0\304"+
    "\0\322\0\340\0\356\0\374\0\u010a\0\u0118\0\u0126\0\u0134"+
    "\0\u0142\0\u0150\0\u015e\0\u016c\0\u017a\0\u0188\0\u0196\0\u01a4"+
    "\0\u01b2\0\u01c0\0\u01ce\0\u01dc\0\u01ea\0\u01f8\0\322\0\u0206"+
    "\0\u0214\0\u0222\0\u0230\0\u023e\0\u024c\0\u025a\0\124\0\214"+
    "\0\u0268\0\u0276\0\u0284";

  private static int [] zzUnpackRowMap() {
    int [] result = new int[51];
    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\4\7\2\1\5\1\6\1\7\1\2"+
    "\17\0\2\3\1\0\1\10\1\0\1\11\2\12\1\13"+
    "\1\3\4\0\1\3\1\4\1\0\1\14\1\0\1\11"+
    "\2\15\1\16\1\4\4\0\1\3\1\4\1\17\1\20"+
    "\1\21\1\22\2\12\1\13\1\23\20\0\1\2\1\0"+
    "\1\24\1\25\7\0\1\26\4\0\2\27\7\0\1\27"+
    "\4\0\1\30\1\31\7\0\1\32\5\0\1\33\7\0"+
    "\1\13\4\0\1\34\1\35\7\0\1\36\4\0\1\37"+
    "\1\40\7\0\1\41\4\0\1\42\1\43\7\0\1\44"+
    "\15\0\1\45\4\0\1\24\1\25\7\0\1\46\15\0"+
    "\1\47\4\0\2\27\7\0\1\50\4\0\1\3\1\4"+
    "\1\17\1\10\1\21\1\22\2\12\1\13\1\23\4\0"+
    "\2\24\1\0\1\51\1\0\1\11\2\52\1\0\1\24"+
    "\4\0\1\24\1\25\1\0\1\53\1\0\1\11\2\54"+
    "\1\55\1\25\4\0\1\24\1\25\1\0\1\51\1\0"+
    "\1\11\2\52\1\0\1\26\4\0\2\27\1\0\1\56"+
    "\2\0\1\56\2\0\1\27\4\0\2\30\1\0\1\52"+
    "\1\0\1\11\2\52\1\0\1\30\4\0\1\30\1\31"+
    "\1\0\1\54\1\0\1\11\2\54\1\55\1\31\4\0"+
    "\1\30\1\31\1\0\1\52\1\0\1\11\2\52\1\0"+
    "\1\32\5\0\1\33\1\0\1\55\2\0\3\55\1\33"+
    "\4\0\2\34\1\0\1\57\1\0\1\11\2\12\1\13"+
    "\1\34\4\0\1\34\1\35\1\0\1\60\1\0\1\11"+
    "\2\15\1\16\1\35\4\0\1\34\1\35\1\0\1\57"+
    "\1\0\1\11\2\12\1\13\1\36\4\0\2\37\1\0"+
    "\1\12\1\0\1\11\2\12\1\13\1\37\4\0\1\37"+
    "\1\40\1\0\1\15\1\0\1\11\2\15\1\16\1\40"+
    "\4\0\1\37\1\40\1\0\1\12\1\0\1\11\2\12"+
    "\1\13\1\41\4\0\2\42\1\0\1\13\2\0\3\13"+
    "\1\42\4\0\1\42\1\43\1\0\1\16\2\0\3\16"+
    "\1\43\4\0\1\42\1\43\1\0\1\13\2\0\3\13"+
    "\1\44\6\0\1\17\6\0\1\45\4\0\1\24\1\25"+
    "\1\0\1\61\1\0\1\11\2\52\1\0\1\26\4\0"+
    "\2\27\1\0\1\56\2\0\1\56\2\0\1\50\4\0"+
    "\2\24\7\0\1\24\4\0\2\30\7\0\1\30\4\0"+
    "\2\34\7\0\1\34\4\0\2\37\7\0\1\37\4\0"+
    "\2\42\7\0\1\42\4\0\2\62\7\0\1\62\4\0"+
    "\2\24\7\0\1\63\4\0\2\62\1\0\1\56\2\0"+
    "\1\56\2\0\1\62\4\0\2\24\1\0\1\61\1\0"+
    "\1\11\2\52\1\0\1\24\3\0";

  private static int [] zzUnpackTrans() {
    int [] result = new int[658];
    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 <code>aState</code>
   */
  private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();

  private static final String ZZ_ATTRIBUTE_PACKED_0 =
    "\1\0\1\11\3\1\1\11\1\1\13\0\4\1\2\0"+
    "\1\1\1\0\17\1\1\0\1\1\3\0\5\1";

  private static int [] zzUnpackAttribute() {
    int [] result = new int[51];
    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 textposition at the last state to be included in yytext */
  private int zzPushbackPos;

  /** 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;

  /* user code: */

public static final int ALPHANUM          = StandardTokenizer.ALPHANUM;
public static final int APOSTROPHE        = StandardTokenizer.APOSTROPHE;
public static final int ACRONYM           = StandardTokenizer.ACRONYM;
public static final int COMPANY           = StandardTokenizer.COMPANY;
public static final int EMAIL             = StandardTokenizer.EMAIL;
public static final int HOST              = StandardTokenizer.HOST;
public static final int NUM               = StandardTokenizer.NUM;
public static final int CJ                = StandardTokenizer.CJ;
/**
 * @deprecated this solves a bug where HOSTs that end with '.' are identified
 *             as ACRONYMs. It is deprecated and will be removed in the next
 *             release.
 */
public static final int ACRONYM_DEP       = StandardTokenizer.ACRONYM_DEP;

public static final String [] TOKEN_TYPES = StandardTokenizer.TOKEN_TYPES;