org.apache.lucene.analysis.wikipedia.WikipediaTokenizerImpl Maven / Gradle / Ivy
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/* The following code was generated by JFlex 1.7.0 */
/*
* 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.
*/
package org.apache.lucene.analysis.wikipedia;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
/**
* JFlex-generated tokenizer that is aware of Wikipedia syntax.
*/
@SuppressWarnings("fallthrough")
class WikipediaTokenizerImpl {
/** 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 = 4096;
/** lexical states */
public static final int YYINITIAL = 0;
public static final int CATEGORY_STATE = 2;
public static final int INTERNAL_LINK_STATE = 4;
public static final int EXTERNAL_LINK_STATE = 6;
public static final int TWO_SINGLE_QUOTES_STATE = 8;
public static final int THREE_SINGLE_QUOTES_STATE = 10;
public static final int FIVE_SINGLE_QUOTES_STATE = 12;
public static final int DOUBLE_EQUALS_STATE = 14;
public static final int DOUBLE_BRACE_STATE = 16;
public static final int STRING = 18;
/**
* 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, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7,
8, 8, 9, 9
};
/**
* Translates characters to character classes
*/
private static final String ZZ_CMAP_PACKED =
"\11\0\1\24\1\23\1\0\1\24\1\22\22\0\1\24\1\0\1\12"+
"\1\53\2\0\1\3\1\1\4\0\1\14\1\5\1\2\1\10\12\16"+
"\1\27\1\0\1\7\1\11\1\13\1\53\1\4\2\15\1\30\5\15"+
"\1\41\21\15\1\25\1\0\1\26\1\0\1\6\1\0\1\31\1\43"+
"\2\15\1\33\1\40\1\34\1\50\1\41\4\15\1\42\1\35\1\51"+
"\1\15\1\36\1\52\1\32\3\15\1\44\1\37\1\15\1\45\1\47"+
"\1\46\102\0\27\15\1\0\37\15\1\0\u0568\15\12\17\206\15\12\17"+
"\u026c\15\12\17\166\15\12\17\166\15\12\17\166\15\12\17\166\15\12\17"+
"\167\15\11\17\166\15\12\17\166\15\12\17\166\15\12\17\340\15\12\17"+
"\166\15\12\17\u0166\15\12\17\266\15\u0100\15\u0e00\15\u1040\0\u0150\21\140\0"+
"\20\21\u0100\0\200\21\200\0\u19c0\21\100\0\u5200\21\u0c00\0\u2bb0\20\u2150\0"+
"\u0200\21\u0465\0\73\21\75\15\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\uffff\0\63\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 =
"\12\0\4\1\4\2\1\3\1\4\1\1\2\5\1\6"+
"\1\5\1\7\1\5\2\10\1\11\1\5\1\12\1\11"+
"\1\13\1\14\1\15\1\16\1\15\1\17\1\20\1\10"+
"\1\21\1\10\4\22\1\23\1\24\1\25\1\26\3\0"+
"\1\27\14\0\1\30\1\31\1\32\1\33\1\11\1\0"+
"\1\34\1\35\1\36\1\0\1\37\1\0\1\40\3\0"+
"\1\41\1\42\2\43\1\42\2\44\2\0\1\43\1\0"+
"\14\43\1\42\3\0\1\11\1\45\3\0\1\46\1\47"+
"\5\0\1\50\4\0\1\50\2\0\2\50\2\0\1\11"+
"\5\0\1\31\1\42\1\43\1\51\3\0\1\11\2\0"+
"\1\52\30\0\1\53\2\0\1\54\1\55\1\56";
private static int [] zzUnpackAction() {
int [] result = new int[181];
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\54\0\130\0\204\0\260\0\334\0\u0108\0\u0134"+
"\0\u0160\0\u018c\0\u01b8\0\u01e4\0\u0210\0\u023c\0\u0268\0\u0294"+
"\0\u02c0\0\u02ec\0\u01b8\0\u0318\0\u0344\0\u01b8\0\u0370\0\u039c"+
"\0\u03c8\0\u03f4\0\u0420\0\u01b8\0\u0370\0\u044c\0\u0478\0\u01b8"+
"\0\u04a4\0\u04d0\0\u04fc\0\u0528\0\u0554\0\u0580\0\u05ac\0\u05d8"+
"\0\u0604\0\u0630\0\u065c\0\u01b8\0\u0688\0\u0370\0\u06b4\0\u06e0"+
"\0\u070c\0\u01b8\0\u01b8\0\u0738\0\u0764\0\u0790\0\u01b8\0\u07bc"+
"\0\u07e8\0\u0814\0\u0840\0\u086c\0\u0898\0\u08c4\0\u08f0\0\u091c"+
"\0\u0948\0\u0974\0\u09a0\0\u09cc\0\u09f8\0\u01b8\0\u01b8\0\u0a24"+
"\0\u0a50\0\u0a7c\0\u0a7c\0\u01b8\0\u0aa8\0\u0ad4\0\u0b00\0\u0b2c"+
"\0\u0b58\0\u0b84\0\u0bb0\0\u0bdc\0\u0c08\0\u0c34\0\u0c60\0\u0c8c"+
"\0\u0814\0\u0cb8\0\u0ce4\0\u0d10\0\u0d3c\0\u0d68\0\u0d94\0\u0dc0"+
"\0\u0dec\0\u0e18\0\u0e44\0\u0e70\0\u0e9c\0\u0ec8\0\u0ef4\0\u0f20"+
"\0\u0f4c\0\u0f78\0\u0fa4\0\u0fd0\0\u0ffc\0\u1028\0\u1054\0\u01b8"+
"\0\u1080\0\u10ac\0\u10d8\0\u1104\0\u01b8\0\u1130\0\u115c\0\u1188"+
"\0\u11b4\0\u11e0\0\u120c\0\u1238\0\u1264\0\u1290\0\u12bc\0\u12e8"+
"\0\u1314\0\u1340\0\u07e8\0\u0974\0\u136c\0\u1398\0\u13c4\0\u13f0"+
"\0\u141c\0\u1448\0\u1474\0\u14a0\0\u01b8\0\u14cc\0\u14f8\0\u1524"+
"\0\u1550\0\u157c\0\u15a8\0\u15d4\0\u1600\0\u162c\0\u01b8\0\u1658"+
"\0\u1684\0\u16b0\0\u16dc\0\u1708\0\u1734\0\u1760\0\u178c\0\u17b8"+
"\0\u17e4\0\u1810\0\u183c\0\u1868\0\u1894\0\u18c0\0\u18ec\0\u1918"+
"\0\u1944\0\u1970\0\u199c\0\u19c8\0\u19f4\0\u1a20\0\u1a4c\0\u1a78"+
"\0\u1aa4\0\u1ad0\0\u01b8\0\u01b8\0\u01b8";
private static int [] zzUnpackRowMap() {
int [] result = new int[181];
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\13\1\14\5\13\1\15\1\13\1\16\3\13\1\17"+
"\1\20\1\21\1\22\1\23\3\13\1\24\2\13\15\17"+
"\1\25\2\13\3\17\1\13\7\26\1\27\5\26\4\30"+
"\5\26\1\31\1\26\15\30\3\26\3\30\10\26\1\27"+
"\5\26\4\32\5\26\1\33\1\26\15\32\3\26\3\32"+
"\1\26\7\34\1\35\5\34\4\36\1\34\1\37\2\26"+
"\1\34\1\40\1\34\15\36\3\34\1\41\2\36\2\34"+
"\1\42\5\34\1\35\5\34\4\43\4\34\1\44\2\34"+
"\15\43\3\34\3\43\10\34\1\35\5\34\4\45\4\34"+
"\1\44\2\34\15\45\3\34\3\45\10\34\1\35\5\34"+
"\4\45\4\34\1\46\2\34\15\45\3\34\3\45\10\34"+
"\1\35\1\34\1\47\3\34\4\50\7\34\15\50\3\34"+
"\3\50\10\34\1\51\5\34\4\52\7\34\15\52\1\34"+
"\1\53\1\34\3\52\1\34\1\54\1\55\5\54\1\56"+
"\1\54\1\57\3\54\4\60\4\54\1\61\2\54\15\60"+
"\2\54\1\62\3\60\1\54\55\0\1\63\62\0\1\64"+
"\4\0\4\65\7\0\6\65\1\66\6\65\3\0\3\65"+
"\12\0\1\67\43\0\1\70\1\71\1\72\1\73\2\74"+
"\1\0\1\75\3\0\1\75\1\17\1\20\1\21\1\22"+
"\7\0\15\17\3\0\3\17\3\0\1\76\1\0\1\77"+
"\2\100\1\0\1\101\3\0\1\101\3\20\1\22\7\0"+
"\15\20\3\0\3\20\2\0\1\70\1\102\1\72\1\73"+
"\2\100\1\0\1\101\3\0\1\101\1\21\1\20\1\21"+
"\1\22\7\0\15\21\3\0\3\21\3\0\1\103\1\0"+
"\1\77\2\74\1\0\1\75\3\0\1\75\4\22\7\0"+
"\15\22\3\0\3\22\26\0\1\104\73\0\1\105\16\0"+
"\1\64\4\0\4\65\7\0\15\65\3\0\3\65\16\0"+
"\4\30\7\0\15\30\3\0\3\30\27\0\1\106\42\0"+
"\4\32\7\0\15\32\3\0\3\32\27\0\1\107\42\0"+
"\4\36\7\0\15\36\3\0\3\36\24\0\1\26\45\0"+
"\4\36\7\0\2\36\1\110\12\36\3\0\3\36\2\0"+
"\1\111\67\0\4\43\7\0\15\43\3\0\3\43\26\0"+
"\1\112\43\0\4\45\7\0\15\45\3\0\3\45\26\0"+
"\1\113\37\0\1\114\57\0\4\50\7\0\15\50\3\0"+
"\3\50\11\0\1\115\4\0\4\65\7\0\15\65\3\0"+
"\3\65\16\0\4\52\7\0\15\52\3\0\3\52\47\0"+
"\1\114\6\0\1\116\63\0\1\117\57\0\4\60\7\0"+
"\15\60\3\0\3\60\26\0\1\120\43\0\4\65\7\0"+
"\15\65\3\0\3\65\14\0\1\34\1\0\4\121\1\0"+
"\3\122\3\0\15\121\3\0\3\121\14\0\1\34\1\0"+
"\4\121\1\0\3\122\3\0\3\121\1\123\11\121\3\0"+
"\3\121\16\0\1\124\1\0\1\124\10\0\15\124\3\0"+
"\3\124\16\0\1\125\1\126\1\127\1\130\7\0\15\125"+
"\3\0\3\125\16\0\1\131\1\0\1\131\10\0\15\131"+
"\3\0\3\131\16\0\1\132\1\133\1\132\1\133\7\0"+
"\15\132\3\0\3\132\16\0\1\134\2\135\1\136\7\0"+
"\15\134\3\0\3\134\16\0\1\75\2\137\10\0\15\75"+
"\3\0\3\75\16\0\1\140\2\141\1\142\7\0\15\140"+
"\3\0\3\140\16\0\4\133\7\0\15\133\3\0\3\133"+
"\16\0\1\143\2\144\1\145\7\0\15\143\3\0\3\143"+
"\16\0\1\146\2\147\1\150\7\0\15\146\3\0\3\146"+
"\16\0\1\151\1\141\1\152\1\142\7\0\15\151\3\0"+
"\3\151\16\0\1\153\2\126\1\130\7\0\15\153\3\0"+
"\3\153\30\0\1\154\1\155\64\0\1\156\27\0\4\36"+
"\7\0\2\36\1\157\12\36\3\0\3\36\2\0\1\160"+
"\101\0\1\161\1\162\40\0\4\65\7\0\6\65\1\163"+
"\6\65\3\0\3\65\2\0\1\164\63\0\1\165\71\0"+
"\1\166\1\167\34\0\1\170\1\0\1\34\1\0\4\121"+
"\1\0\3\122\3\0\15\121\3\0\3\121\16\0\4\171"+
"\1\0\3\122\3\0\15\171\3\0\3\171\12\0\1\170"+
"\1\0\1\34\1\0\4\121\1\0\3\122\3\0\10\121"+
"\1\172\4\121\3\0\3\121\2\0\1\70\13\0\1\124"+
"\1\0\1\124\10\0\15\124\3\0\3\124\3\0\1\173"+
"\1\0\1\77\2\174\6\0\1\125\1\126\1\127\1\130"+
"\7\0\15\125\3\0\3\125\3\0\1\175\1\0\1\77"+
"\2\176\1\0\1\177\3\0\1\177\3\126\1\130\7\0"+
"\15\126\3\0\3\126\3\0\1\200\1\0\1\77\2\176"+
"\1\0\1\177\3\0\1\177\1\127\1\126\1\127\1\130"+
"\7\0\15\127\3\0\3\127\3\0\1\201\1\0\1\77"+
"\2\174\6\0\4\130\7\0\15\130\3\0\3\130\3\0"+
"\1\202\2\0\1\202\7\0\1\132\1\133\1\132\1\133"+
"\7\0\15\132\3\0\3\132\3\0\1\202\2\0\1\202"+
"\7\0\4\133\7\0\15\133\3\0\3\133\3\0\1\174"+
"\1\0\1\77\2\174\6\0\1\134\2\135\1\136\7\0"+
"\15\134\3\0\3\134\3\0\1\176\1\0\1\77\2\176"+
"\1\0\1\177\3\0\1\177\3\135\1\136\7\0\15\135"+
"\3\0\3\135\3\0\1\174\1\0\1\77\2\174\6\0"+
"\4\136\7\0\15\136\3\0\3\136\3\0\1\177\2\0"+
"\2\177\1\0\1\177\3\0\1\177\3\137\10\0\15\137"+
"\3\0\3\137\3\0\1\103\1\0\1\77\2\74\1\0"+
"\1\75\3\0\1\75\1\140\2\141\1\142\7\0\15\140"+
"\3\0\3\140\3\0\1\76\1\0\1\77\2\100\1\0"+
"\1\101\3\0\1\101\3\141\1\142\7\0\15\141\3\0"+
"\3\141\3\0\1\103\1\0\1\77\2\74\1\0\1\75"+
"\3\0\1\75\4\142\7\0\15\142\3\0\3\142\3\0"+
"\1\74\1\0\1\77\2\74\1\0\1\75\3\0\1\75"+
"\1\143\2\144\1\145\7\0\15\143\3\0\3\143\3\0"+
"\1\100\1\0\1\77\2\100\1\0\1\101\3\0\1\101"+
"\3\144\1\145\7\0\15\144\3\0\3\144\3\0\1\74"+
"\1\0\1\77\2\74\1\0\1\75\3\0\1\75\4\145"+
"\7\0\15\145\3\0\3\145\3\0\1\75\2\0\2\75"+
"\1\0\1\75\3\0\1\75\1\146\2\147\1\150\7\0"+
"\15\146\3\0\3\146\3\0\1\101\2\0\2\101\1\0"+
"\1\101\3\0\1\101\3\147\1\150\7\0\15\147\3\0"+
"\3\147\3\0\1\75\2\0\2\75\1\0\1\75\3\0"+
"\1\75\4\150\7\0\15\150\3\0\3\150\3\0\1\203"+
"\1\0\1\77\2\74\1\0\1\75\3\0\1\75\1\151"+
"\1\141\1\152\1\142\7\0\15\151\3\0\3\151\3\0"+
"\1\204\1\0\1\77\2\100\1\0\1\101\3\0\1\101"+
"\1\152\1\141\1\152\1\142\7\0\15\152\3\0\3\152"+
"\3\0\1\201\1\0\1\77\2\174\6\0\1\153\2\126"+
"\1\130\7\0\15\153\3\0\3\153\31\0\1\155\54\0"+
"\1\205\64\0\1\206\26\0\4\36\7\0\15\36\3\0"+
"\1\36\1\207\1\36\31\0\1\162\54\0\1\210\35\0"+
"\1\34\1\0\4\121\1\0\3\122\3\0\3\121\1\211"+
"\11\121\3\0\3\121\2\0\1\212\102\0\1\167\54\0"+
"\1\213\34\0\1\214\52\0\1\170\3\0\4\171\7\0"+
"\15\171\3\0\3\171\12\0\1\170\1\0\1\215\1\0"+
"\4\121\1\0\3\122\3\0\15\121\3\0\3\121\16\0"+
"\1\216\1\130\1\216\1\130\7\0\15\216\3\0\3\216"+
"\16\0\4\136\7\0\15\136\3\0\3\136\16\0\4\142"+
"\7\0\15\142\3\0\3\142\16\0\4\145\7\0\15\145"+
"\3\0\3\145\16\0\4\150\7\0\15\150\3\0\3\150"+
"\16\0\1\217\1\142\1\217\1\142\7\0\15\217\3\0"+
"\3\217\16\0\4\130\7\0\15\130\3\0\3\130\16\0"+
"\4\220\7\0\15\220\3\0\3\220\33\0\1\221\61\0"+
"\1\222\30\0\4\36\6\0\1\223\15\36\3\0\2\36"+
"\1\224\33\0\1\225\32\0\1\170\1\0\1\34\1\0"+
"\4\121\1\0\3\122\3\0\10\121\1\226\4\121\3\0"+
"\3\121\2\0\1\227\104\0\1\230\36\0\4\231\7\0"+
"\15\231\3\0\3\231\3\0\1\173\1\0\1\77\2\174"+
"\6\0\1\216\1\130\1\216\1\130\7\0\15\216\3\0"+
"\3\216\3\0\1\203\1\0\1\77\2\74\1\0\1\75"+
"\3\0\1\75\1\217\1\142\1\217\1\142\7\0\15\217"+
"\3\0\3\217\3\0\1\202\2\0\1\202\7\0\4\220"+
"\7\0\15\220\3\0\3\220\34\0\1\232\55\0\1\233"+
"\26\0\1\234\60\0\4\36\6\0\1\223\15\36\3\0"+
"\3\36\34\0\1\235\31\0\1\170\1\0\1\114\1\0"+
"\4\121\1\0\3\122\3\0\15\121\3\0\3\121\34\0"+
"\1\236\32\0\1\237\2\0\4\231\7\0\15\231\3\0"+
"\3\231\35\0\1\240\62\0\1\241\20\0\1\242\77\0"+
"\1\243\53\0\1\244\32\0\1\34\1\0\4\171\1\0"+
"\3\122\3\0\15\171\3\0\3\171\36\0\1\245\53\0"+
"\1\246\33\0\4\247\7\0\15\247\3\0\3\247\36\0"+
"\1\250\53\0\1\251\54\0\1\252\61\0\1\253\11\0"+
"\1\254\12\0\4\247\7\0\15\247\3\0\3\247\37\0"+
"\1\255\53\0\1\256\54\0\1\257\22\0\1\13\62\0"+
"\4\260\7\0\15\260\3\0\3\260\40\0\1\261\53\0"+
"\1\262\43\0\1\263\26\0\2\260\1\0\2\260\1\0"+
"\2\260\2\0\5\260\7\0\15\260\3\0\4\260\27\0"+
"\1\264\53\0\1\265\24\0";
private static int [] zzUnpackTrans() {
int [] result = new int[6908];
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[] = {
"Unknown 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 =
"\12\0\1\11\7\1\1\11\2\1\1\11\5\1\1\11"+
"\3\1\1\11\13\1\1\11\5\1\2\11\3\0\1\11"+
"\14\0\2\1\2\11\1\1\1\0\2\1\1\11\1\0"+
"\1\1\1\0\1\1\3\0\7\1\2\0\1\1\1\0"+
"\15\1\3\0\1\1\1\11\3\0\1\1\1\11\5\0"+
"\1\1\4\0\1\1\2\0\2\1\2\0\1\1\5\0"+
"\1\11\3\1\3\0\1\1\2\0\1\11\30\0\1\1"+
"\2\0\3\11";
private static int [] zzUnpackAttribute() {
int [] result = new int[181];
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 iff the scanner is currently at the beginning of a line
*/
private boolean zzAtBOL = true;
/** zzAtEOF == true iff the scanner is at the EOF */
private boolean zzAtEOF;
/** denotes if the user-EOF-code has already been executed */
private boolean zzEOFDone;
/**
* The number of occupied positions in zzBuffer beyond zzEndRead.
* When a lead/high surrogate has been read from the input stream
* into the final zzBuffer position, this will have a value of 1;
* otherwise, it will have a value of 0.
*/
private int zzFinalHighSurrogate = 0;
/* user code: */
public static final int ALPHANUM = WikipediaTokenizer.ALPHANUM_ID;
public static final int APOSTROPHE = WikipediaTokenizer.APOSTROPHE_ID;
public static final int ACRONYM = WikipediaTokenizer.ACRONYM_ID;
public static final int COMPANY = WikipediaTokenizer.COMPANY_ID;
public static final int EMAIL = WikipediaTokenizer.EMAIL_ID;
public static final int HOST = WikipediaTokenizer.HOST_ID;
public static final int NUM = WikipediaTokenizer.NUM_ID;
public static final int CJ = WikipediaTokenizer.CJ_ID;
public static final int INTERNAL_LINK = WikipediaTokenizer.INTERNAL_LINK_ID;
public static final int EXTERNAL_LINK = WikipediaTokenizer.EXTERNAL_LINK_ID;
public static final int CITATION = WikipediaTokenizer.CITATION_ID;
public static final int CATEGORY = WikipediaTokenizer.CATEGORY_ID;
public static final int BOLD = WikipediaTokenizer.BOLD_ID;
public static final int ITALICS = WikipediaTokenizer.ITALICS_ID;
public static final int BOLD_ITALICS = WikipediaTokenizer.BOLD_ITALICS_ID;
public static final int HEADING = WikipediaTokenizer.HEADING_ID;
public static final int SUB_HEADING = WikipediaTokenizer.SUB_HEADING_ID;
public static final int EXTERNAL_LINK_URL = WikipediaTokenizer.EXTERNAL_LINK_URL_ID;
private int currentTokType;
private int numBalanced = 0;
private int positionInc = 1;
private int numLinkToks = 0;
//Anytime we start a new on a Wiki reserved token (category, link, etc.) this value will be 0, otherwise it will be the number of tokens seen
//this can be useful for detecting when a new reserved token is encountered
//see https://issues.apache.org/jira/browse/LUCENE-1133
private int numWikiTokensSeen = 0;
public static final String [] TOKEN_TYPES = WikipediaTokenizer.TOKEN_TYPES;
/**
Returns the number of tokens seen inside a category or link, etc.
@return the number of tokens seen inside the context of wiki syntax.
**/
public final int getNumWikiTokensSeen(){
return numWikiTokensSeen;
}
public final int yychar()
{
return yychar;
}
public final int getPositionIncrement(){
return positionInc;
}
/**
* Fills Lucene token with the current token text.
*/
final void getText(CharTermAttribute t) {
t.copyBuffer(zzBuffer, zzStartRead, zzMarkedPos-zzStartRead);
}
final int setText(StringBuilder buffer){
int length = zzMarkedPos - zzStartRead;
buffer.append(zzBuffer, zzStartRead, length);
return length;
}
final void reset() {
currentTokType = 0;
numBalanced = 0;
positionInc = 1;
numLinkToks = 0;
numWikiTokensSeen = 0;
}
/**
* Creates a new scanner
*
* @param in the java.io.Reader to read input from.
*/
WikipediaTokenizerImpl(java.io.Reader in) {
this.zzReader = 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[0x110000];
int i = 0; /* index in packed string */
int j = 0; /* index in unpacked array */
while (i < 262) {
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) {
zzEndRead += zzFinalHighSurrogate;
zzFinalHighSurrogate = 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 - zzFinalHighSurrogate) {
/* if not: blow it up */
char newBuffer[] = new char[zzBuffer.length*2];
System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length);
zzBuffer = newBuffer;
zzEndRead += zzFinalHighSurrogate;
zzFinalHighSurrogate = 0;
}
/* fill the buffer with new input */
int requested = zzBuffer.length - zzEndRead;
int numRead = zzReader.read(zzBuffer, zzEndRead, requested);
/* not supposed to occur according to specification of java.io.Reader */
if (numRead == 0) {
throw new java.io.IOException("Reader returned 0 characters. See JFlex examples for workaround.");
}
if (numRead > 0) {
zzEndRead += numRead;
/* If numRead == requested, we might have requested to few chars to
encode a full Unicode character. We assume that a Reader would
otherwise never return half characters. */
if (numRead == requested) {
if (Character.isHighSurrogate(zzBuffer[zzEndRead - 1])) {
--zzEndRead;
zzFinalHighSurrogate = 1;
}
}
/* potentially more input available */
return false;
}
/* numRead < 0 ==> end of stream */
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.
*
* Internal scan buffer is resized down to its initial length, if it has grown.
*
* @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;
zzFinalHighSurrogate = 0;
yyline = yychar = yycolumn = 0;
zzLexicalState = YYINITIAL;
if (zzBuffer.length > ZZ_BUFFERSIZE)
zzBuffer = new char[ZZ_BUFFERSIZE];
}
/**
* 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;
}
/**
* 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 getNextToken() 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;
zzAction = -1;
zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
zzState = ZZ_LEXSTATE[zzLexicalState];
// set up zzAction for empty match case:
int zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
}
zzForAction: {
while (true) {
if (zzCurrentPosL < zzEndReadL) {
zzInput = Character.codePointAt(zzBufferL, zzCurrentPosL, zzEndReadL);
zzCurrentPosL += Character.charCount(zzInput);
}
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 = Character.codePointAt(zzBufferL, zzCurrentPosL, zzEndReadL);
zzCurrentPosL += Character.charCount(zzInput);
}
}
int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
if (zzNext == -1) break zzForAction;
zzState = zzNext;
zzAttributes = zzAttrL[zzState];
if ( (zzAttributes & 1) == 1 ) {
zzAction = zzState;
zzMarkedPosL = zzCurrentPosL;
if ( (zzAttributes & 8) == 8 ) break zzForAction;
}
}
}
// store back cached position
zzMarkedPos = zzMarkedPosL;
if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
zzAtEOF = true;
return YYEOF;
}
else {
switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
case 1:
{ numWikiTokensSeen = 0; positionInc = 1; /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 47: break;
case 2:
{ positionInc = 1; return ALPHANUM;
}
// fall through
case 48: break;
case 3:
{ positionInc = 1; return CJ;
}
// fall through
case 49: break;
case 4:
{ numWikiTokensSeen = 0; positionInc = 1; currentTokType = EXTERNAL_LINK_URL; yybegin(EXTERNAL_LINK_STATE);/* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 50: break;
case 5:
{ positionInc = 1; /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 51: break;
case 6:
{ yybegin(CATEGORY_STATE); numWikiTokensSeen++; return currentTokType;
}
// fall through
case 52: break;
case 7:
{ yybegin(INTERNAL_LINK_STATE); numWikiTokensSeen++; return currentTokType;
}
// fall through
case 53: break;
case 8:
{ /* Break so we don't hit fall-through warning: */ break;/* ignore */
}
// fall through
case 54: break;
case 9:
{ if (numLinkToks == 0){positionInc = 0;} else{positionInc = 1;} numWikiTokensSeen++; currentTokType = EXTERNAL_LINK; yybegin(EXTERNAL_LINK_STATE); numLinkToks++; return currentTokType;
}
// fall through
case 55: break;
case 10:
{ numLinkToks = 0; positionInc = 0; yybegin(YYINITIAL); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 56: break;
case 11:
{ currentTokType = BOLD; yybegin(THREE_SINGLE_QUOTES_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 57: break;
case 12:
{ currentTokType = ITALICS; numWikiTokensSeen++; yybegin(STRING); return currentTokType;/*italics*/
}
// fall through
case 58: break;
case 13:
{ currentTokType = EXTERNAL_LINK; numWikiTokensSeen = 0; yybegin(EXTERNAL_LINK_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 59: break;
case 14:
{ yybegin(STRING); numWikiTokensSeen++; return currentTokType;
}
// fall through
case 60: break;
case 15:
{ currentTokType = SUB_HEADING; numWikiTokensSeen = 0; yybegin(STRING); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 61: break;
case 16:
{ currentTokType = HEADING; yybegin(DOUBLE_EQUALS_STATE); numWikiTokensSeen++; return currentTokType;
}
// fall through
case 62: break;
case 17:
{ yybegin(DOUBLE_BRACE_STATE); numWikiTokensSeen = 0; return currentTokType;
}
// fall through
case 63: break;
case 18:
{ /* Break so we don't hit fall-through warning: */ break;/* ignore STRING */
}
// fall through
case 64: break;
case 19:
{ yybegin(STRING); numWikiTokensSeen++; return currentTokType;/* STRING ALPHANUM*/
}
// fall through
case 65: break;
case 20:
{ numBalanced = 0; numWikiTokensSeen = 0; currentTokType = EXTERNAL_LINK;yybegin(EXTERNAL_LINK_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 66: break;
case 21:
{ yybegin(STRING); return currentTokType;/*pipe*/
}
// fall through
case 67: break;
case 22:
{ numWikiTokensSeen = 0; positionInc = 1; if (numBalanced == 0){numBalanced++;yybegin(TWO_SINGLE_QUOTES_STATE);} else{numBalanced = 0;}/* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 68: break;
case 23:
{ numWikiTokensSeen = 0; positionInc = 1; yybegin(DOUBLE_EQUALS_STATE);/* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 69: break;
case 24:
{ numWikiTokensSeen = 0; positionInc = 1; currentTokType = INTERNAL_LINK; yybegin(INTERNAL_LINK_STATE);/* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 70: break;
case 25:
{ numWikiTokensSeen = 0; positionInc = 1; currentTokType = CITATION; yybegin(DOUBLE_BRACE_STATE);/* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 71: break;
case 26:
{ yybegin(YYINITIAL);/* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 72: break;
case 27:
{ numLinkToks = 0; yybegin(YYINITIAL); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 73: break;
case 28:
{ currentTokType = INTERNAL_LINK; numWikiTokensSeen = 0; yybegin(INTERNAL_LINK_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 74: break;
case 29:
{ currentTokType = INTERNAL_LINK; numWikiTokensSeen = 0; yybegin(INTERNAL_LINK_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 75: break;
case 30:
{ yybegin(YYINITIAL); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 76: break;
case 31:
{ numBalanced = 0;currentTokType = ALPHANUM; yybegin(YYINITIAL); /* Break so we don't hit fall-through warning: */ break;/*end italics*/
}
// fall through
case 77: break;
case 32:
{ numBalanced = 0; numWikiTokensSeen = 0; currentTokType = INTERNAL_LINK;yybegin(INTERNAL_LINK_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 78: break;
case 33:
{ positionInc = 1; return APOSTROPHE;
}
// fall through
case 79: break;
case 34:
{ positionInc = 1; return HOST;
}
// fall through
case 80: break;
case 35:
{ positionInc = 1; return NUM;
}
// fall through
case 81: break;
case 36:
{ positionInc = 1; return COMPANY;
}
// fall through
case 82: break;
case 37:
{ currentTokType = BOLD_ITALICS; yybegin(FIVE_SINGLE_QUOTES_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 83: break;
case 38:
{ numBalanced = 0;currentTokType = ALPHANUM;yybegin(YYINITIAL); /* Break so we don't hit fall-through warning: */ break;/*end bold*/
}
// fall through
case 84: break;
case 39:
{ numBalanced = 0;currentTokType = ALPHANUM; yybegin(YYINITIAL); /* Break so we don't hit fall-through warning: */ break;/*end sub header*/
}
// fall through
case 85: break;
case 40:
{ positionInc = 1; return ACRONYM;
}
// fall through
case 86: break;
case 41:
{ positionInc = 1; return EMAIL;
}
// fall through
case 87: break;
case 42:
{ numBalanced = 0;currentTokType = ALPHANUM; yybegin(YYINITIAL); /* Break so we don't hit fall-through warning: */ break;/*end bold italics*/
}
// fall through
case 88: break;
case 43:
{ positionInc = 1; numWikiTokensSeen++; yybegin(EXTERNAL_LINK_STATE); return currentTokType;
}
// fall through
case 89: break;
case 44:
{ numWikiTokensSeen = 0; positionInc = 1; currentTokType = CATEGORY; yybegin(CATEGORY_STATE);/* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 90: break;
case 45:
{ currentTokType = CATEGORY; numWikiTokensSeen = 0; yybegin(CATEGORY_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 91: break;
case 46:
{ numBalanced = 0; numWikiTokensSeen = 0; currentTokType = CATEGORY;yybegin(CATEGORY_STATE); /* Break so we don't hit fall-through warning: */ break;
}
// fall through
case 92: break;
default:
zzScanError(ZZ_NO_MATCH);
}
}
}
}
}