/* 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.
/** * JFlex-generated tokenizer that is aware of Wikipedia syntax. */
@SuppressWarnings("fallthrough") class WikipediaTokenizerImpl {
This character denotes the end of file
/** This character denotes the end of file */
public static final int YYEOF = -1;
initial size of the lookahead buffer
/** initial size of the lookahead buffer */
private static final int ZZ_BUFFERSIZE = 4096;
lexical states
/** 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
/** * 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
/** * 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
/** * Translates characters to character classes */
private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);
Translates DFA states to action switch labels.
/** * 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
/** * 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
/** * 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"+ 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"\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
/** * 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 = "\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
/** the input device */
private java.io.Reader zzReader;
the current state of the DFA
/** the current state of the DFA */
private int zzState;
the current lexical state
/** 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
/** 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
/** the textposition at the last accepting state */
private int zzMarkedPos;
the current text position in the buffer
/** the current text position in the buffer */
private int zzCurrentPos;
startRead marks the beginning of the yytext() string in the buffer
/** 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
/** 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
/** 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
/** 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
/** * 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
/** * 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
/** zzAtEOF == true iff the scanner is at the EOF */
private boolean zzAtEOF;
denotes if the user-EOF-code has already been executed
/** 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.
/** * 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.
Returns:the number of tokens seen inside the context of wiki syntax.
/** 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.
/** * 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
Params:
  • in – the java.io.Reader to read input from.
/** * 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.
Params:
  • packed – the packed character translation table
Returns: the unpacked character translation table
/** * 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.
Throws:
Returns: false, iff there was new input.
/** * Refills the input buffer. * * @return <code>false</code>, 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.
/** * 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.
Params:
  • reader – the new input stream
/** * 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 * <b>cannot</b> be reused (internal buffer is discarded and lost). * Lexical state is set to <tt>ZZ_INITIAL</tt>. * * 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.
/** * Returns the current lexical state. */
public final int yystate() { return zzLexicalState; }
Enters a new lexical state
Params:
  • newState – the new lexical state
/** * 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.
/** * 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
Params:
  • pos – the position of the character to fetch. A value from 0 to yylength()-1.
Returns:the character at position pos
/** * Returns the character at position <tt>pos</tt> 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.
/** * 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.
Params:
  • errorCode – the code of the errormessage to display
/** * 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
Params:
  • number – the number of characters to be read again. This number must not be greater than yylength()!
/** * 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.
Throws:
Returns: the next token
/** * 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); } } } } }