| /* The following code was generated by JFlex 1.4.3 on 1/21/13 3:00 AM */ |
| |
| // ******************************************************************************* |
| // * Copyright (c) 2005, 2009 Andrea Bittau, University College London, and others |
| // * All rights reserved. This program and the accompanying materials |
| // * are made available under the terms of the Eclipse Public License v1.0 |
| // * which accompanies this distribution, and is available at |
| // * http://www.eclipse.org/legal/epl-v10.html |
| // * |
| // * Contributors: |
| // * Andrea Bittau - initial API and implementation from the PsychoPath XPath 2.0 |
| // * David Carver - bug 280987 - fixed literal issues for integer and decimal |
| // * Jesper S Moller - bug 283214 - fix IF THEN ELSE parsing and update grammars |
| // * Jesper S Moller - bug 286061 correct handling of quoted string |
| // * Jesper Moller - bug 297707 - Missing the empty-sequence() type |
| // * Jesper Moller - bug 388504 - XPath scanner does not detect non-ASCII names |
| // *******************************************************************************/ |
| |
| |
| package org.eclipse.wst.xml.xpath2.processor.internal; |
| |
| import java_cup.runtime.*; |
| |
| |
| /** |
| * This class is a scanner generated by |
| * <a href="http://www.jflex.de/">JFlex</a> 1.4.3 |
| * on 1/21/13 3:00 AM from the specification file |
| * <tt>/Users/jesper/Eclipse/Repositories/webtools.sourceediting.xpath/bundles/org.eclipse.wst.xml.xpath2.processor/grammars/xpath.lex</tt> |
| */ |
| class XPathFlex implements java_cup.runtime.Scanner { |
| |
| /** 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; |
| public static final int COMMENT = 2; |
| |
| /** |
| * 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 |
| }; |
| |
| /** |
| * Translates characters to character classes |
| */ |
| private static final String ZZ_CMAP_PACKED = |
| "\11\0\1\1\1\1\2\0\1\1\22\0\1\1\1\25\1\2\1\0"+ |
| "\1\33\2\0\1\3\1\15\1\21\1\22\1\7\1\32\1\14\1\5"+ |
| "\1\30\12\4\1\16\1\0\1\26\1\24\1\27\1\34\1\31\4\12"+ |
| "\1\13\25\12\1\17\1\0\1\20\1\0\1\12\1\0\1\44\1\47"+ |
| "\1\35\1\41\1\6\1\51\1\54\1\36\1\37\2\12\1\40\1\55"+ |
| "\1\43\1\52\1\56\1\57\1\46\1\42\1\45\1\50\1\60\1\53"+ |
| "\1\61\1\62\1\12\1\0\1\23\103\0\27\12\1\0\37\12\1\0"+ |
| "\u0208\12\160\0\16\12\1\0\u1c81\12\14\0\2\12\142\0\u0120\12\u0a70\0"+ |
| "\u03f0\12\21\0\ua7ff\12\u0400\10\u0400\11\u1900\0\u04d0\12\40\0\u020e\12\2\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 = |
| "\2\0\1\1\1\2\2\1\1\3\1\4\1\5\1\6"+ |
| "\1\1\1\5\1\7\1\10\1\11\1\12\1\13\1\14"+ |
| "\1\15\1\16\1\17\1\1\1\20\1\21\1\22\1\23"+ |
| "\1\24\1\25\1\26\17\5\2\2\1\0\1\27\1\0"+ |
| "\1\27\1\30\1\0\1\31\1\0\2\5\1\32\2\5"+ |
| "\1\33\1\34\1\35\1\36\1\37\1\40\1\41\1\42"+ |
| "\1\43\4\5\1\44\1\45\1\5\1\46\1\47\1\50"+ |
| "\7\5\1\51\2\5\1\52\5\5\1\53\4\5\1\54"+ |
| "\1\55\1\56\1\57\3\5\1\60\1\61\1\62\1\0"+ |
| "\14\5\1\63\1\5\1\64\10\5\1\65\10\5\1\66"+ |
| "\1\67\4\5\1\70\4\5\1\71\1\5\1\72\2\5"+ |
| "\1\73\2\5\1\74\2\5\1\75\1\5\1\76\2\5"+ |
| "\1\77\1\100\12\5\1\101\1\5\1\102\13\5\1\103"+ |
| "\2\5\1\104\6\5\1\105\14\5\1\106\1\5\1\107"+ |
| "\2\5\1\110\2\5\1\111\16\5\1\112\1\113\7\5"+ |
| "\1\114\6\5\1\115\4\5\1\116\1\117\1\5\1\120"+ |
| "\1\5\1\121\1\122\2\5\1\123\4\5\1\124\27\5"+ |
| "\1\125\6\5\1\126\1\5\1\127\14\5\1\130\1\131"+ |
| "\4\5\1\132\1\133\1\5\1\134\4\5\1\135"; |
| |
| private static int [] zzUnpackAction() { |
| int [] result = new int[337]; |
| 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\63\0\146\0\146\0\231\0\314\0\377\0\u0132"+ |
| "\0\u0165\0\146\0\u0198\0\u01cb\0\146\0\u01fe\0\u0231\0\146"+ |
| "\0\146\0\146\0\146\0\146\0\146\0\u0264\0\u0297\0\u02ca"+ |
| "\0\u02fd\0\146\0\146\0\146\0\146\0\u0330\0\u0363\0\u0396"+ |
| "\0\u03c9\0\u03fc\0\u042f\0\u0462\0\u0495\0\u04c8\0\u04fb\0\u052e"+ |
| "\0\u0561\0\u0594\0\u05c7\0\u05fa\0\u062d\0\u0660\0\231\0\u0693"+ |
| "\0\314\0\u06c6\0\u06f9\0\u072c\0\146\0\u0198\0\u075f\0\u0792"+ |
| "\0\u01cb\0\u07c5\0\u07f8\0\146\0\146\0\146\0\146\0\146"+ |
| "\0\146\0\146\0\146\0\146\0\u082b\0\u085e\0\u0891\0\u08c4"+ |
| "\0\u01cb\0\u08f7\0\u092a\0\u01cb\0\u095d\0\u01cb\0\u0990\0\u09c3"+ |
| "\0\u09f6\0\u0a29\0\u0a5c\0\u0a8f\0\u0ac2\0\u01cb\0\u0af5\0\u0b28"+ |
| "\0\u01cb\0\u0b5b\0\u0b8e\0\u0bc1\0\u0bf4\0\u0c27\0\u01cb\0\u0c5a"+ |
| "\0\u0c8d\0\u0cc0\0\u0cf3\0\u01cb\0\u01cb\0\u01cb\0\u01cb\0\u0d26"+ |
| "\0\u0d59\0\u0d8c\0\146\0\146\0\u0dbf\0\u0dbf\0\u0df2\0\u0e25"+ |
| "\0\u0e58\0\u0e8b\0\u0ebe\0\u0ef1\0\u0f24\0\u0f57\0\u0f8a\0\u0fbd"+ |
| "\0\u0ff0\0\u1023\0\u01cb\0\u1056\0\u01cb\0\u1089\0\u10bc\0\u10ef"+ |
| "\0\u1122\0\u1155\0\u1188\0\u11bb\0\u11ee\0\u01cb\0\u1221\0\u1254"+ |
| "\0\u1287\0\u12ba\0\u12ed\0\u1320\0\u1353\0\u1386\0\u01cb\0\u01cb"+ |
| "\0\u13b9\0\u13ec\0\u141f\0\u1452\0\u01cb\0\u1485\0\u14b8\0\u14eb"+ |
| "\0\u151e\0\u1551\0\u1584\0\u01cb\0\u15b7\0\u15ea\0\u01cb\0\u161d"+ |
| "\0\u1650\0\u01cb\0\u1683\0\u16b6\0\u01cb\0\u16e9\0\u01cb\0\u171c"+ |
| "\0\u174f\0\u01cb\0\u01cb\0\u1782\0\u17b5\0\u17e8\0\u181b\0\u184e"+ |
| "\0\u1881\0\u18b4\0\u18e7\0\u191a\0\u194d\0\u01cb\0\u1980\0\u01cb"+ |
| "\0\u19b3\0\u19e6\0\u1a19\0\u1a4c\0\u1a7f\0\u1ab2\0\u1ae5\0\u1b18"+ |
| "\0\u1b4b\0\u1b7e\0\u1bb1\0\u01cb\0\u1be4\0\u1c17\0\u01cb\0\u1c4a"+ |
| "\0\u1c7d\0\u1cb0\0\u1ce3\0\u1d16\0\u1d49\0\u01cb\0\u1d7c\0\u1daf"+ |
| "\0\u1de2\0\u1e15\0\u1e48\0\u1e7b\0\u1eae\0\u1ee1\0\u1f14\0\u1f47"+ |
| "\0\u1f7a\0\u1fad\0\u01cb\0\u1fe0\0\u01cb\0\u2013\0\u2046\0\u01cb"+ |
| "\0\u2079\0\u20ac\0\u01cb\0\u20df\0\u2112\0\u2145\0\u2178\0\u21ab"+ |
| "\0\u21de\0\u2211\0\u2244\0\u2277\0\u22aa\0\u22dd\0\u2310\0\u2343"+ |
| "\0\u2376\0\u01cb\0\u01cb\0\u23a9\0\u23dc\0\u240f\0\u2442\0\u2475"+ |
| "\0\u24a8\0\u24db\0\u250e\0\u2541\0\u2574\0\u25a7\0\u25da\0\u260d"+ |
| "\0\u2640\0\u01cb\0\u2673\0\u26a6\0\u26d9\0\u270c\0\u01cb\0\u01cb"+ |
| "\0\u273f\0\u01cb\0\u2772\0\u27a5\0\u27d8\0\u280b\0\u283e\0\u2871"+ |
| "\0\u28a4\0\u28d7\0\u290a\0\u293d\0\u01cb\0\u2970\0\u29a3\0\u29d6"+ |
| "\0\u2a09\0\u2a3c\0\u2a6f\0\u2aa2\0\u2ad5\0\u2b08\0\u2b3b\0\u2b6e"+ |
| "\0\u2ba1\0\u2bd4\0\u2c07\0\u2c3a\0\u2c6d\0\u2ca0\0\u2cd3\0\u2d06"+ |
| "\0\u2d39\0\u2d6c\0\u2d9f\0\u2dd2\0\u01cb\0\u2e05\0\u2e38\0\u2e6b"+ |
| "\0\u2e9e\0\u2ed1\0\u2f04\0\u01cb\0\u2f37\0\u01cb\0\u2f6a\0\u2f9d"+ |
| "\0\u2fd0\0\u3003\0\u3036\0\u3069\0\u309c\0\u30cf\0\u3102\0\u3135"+ |
| "\0\u3168\0\u319b\0\u01cb\0\u01cb\0\u31ce\0\u3201\0\u3234\0\u3267"+ |
| "\0\u01cb\0\u01cb\0\u329a\0\u01cb\0\u32cd\0\u3300\0\u3333\0\u3366"+ |
| "\0\u01cb"; |
| |
| private static int [] zzUnpackRowMap() { |
| int [] result = new int[337]; |
| 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\3\1\4\1\5\1\6\1\7\1\10\1\11\1\12"+ |
| "\1\13\1\3\2\14\1\15\1\16\1\17\1\20\1\21"+ |
| "\1\22\1\23\1\24\1\25\1\26\1\27\1\30\1\31"+ |
| "\1\32\1\33\1\34\1\35\1\36\1\14\1\37\1\40"+ |
| "\1\41\1\42\1\43\1\44\1\45\1\46\1\14\1\47"+ |
| "\1\50\1\51\1\14\1\52\1\53\1\54\4\14\15\4"+ |
| "\1\55\1\56\44\4\63\0\2\57\1\60\60\57\3\61"+ |
| "\1\62\57\61\4\0\1\7\1\63\1\64\4\0\1\64"+ |
| "\53\0\1\63\1\65\61\0\3\14\1\0\1\66\1\0"+ |
| "\3\14\20\0\3\14\1\67\14\14\1\70\1\14\1\71"+ |
| "\1\72\1\73\1\14\11\0\1\14\55\0\3\14\1\0"+ |
| "\1\66\1\0\3\14\20\0\26\14\16\0\1\74\62\0"+ |
| "\1\75\5\0\1\76\62\0\1\77\62\0\1\100\1\0"+ |
| "\1\101\60\0\1\102\2\0\1\103\63\0\1\104\36\0"+ |
| "\3\14\1\0\1\66\1\0\3\14\20\0\1\14\1\105"+ |
| "\5\14\1\106\5\14\1\107\10\14\4\0\3\14\1\0"+ |
| "\1\66\1\0\3\14\20\0\4\14\1\110\1\111\1\112"+ |
| "\1\14\1\113\3\14\1\114\11\14\4\0\2\14\1\115"+ |
| "\1\0\1\66\1\0\3\14\20\0\10\14\1\116\15\14"+ |
| "\4\0\2\14\1\117\1\0\1\66\1\0\3\14\20\0"+ |
| "\2\14\1\120\12\14\1\121\10\14\4\0\2\14\1\122"+ |
| "\1\0\1\66\1\0\3\14\20\0\1\123\6\14\1\124"+ |
| "\5\14\1\125\10\14\4\0\2\14\1\126\1\0\1\66"+ |
| "\1\0\3\14\20\0\7\14\1\127\5\14\1\130\10\14"+ |
| "\4\0\3\14\1\0\1\66\1\0\3\14\20\0\5\14"+ |
| "\1\131\1\132\1\14\1\133\15\14\4\0\2\14\1\134"+ |
| "\1\0\1\66\1\0\3\14\20\0\1\14\1\135\7\14"+ |
| "\1\136\3\14\1\137\7\14\1\140\4\0\2\14\1\141"+ |
| "\1\0\1\66\1\0\3\14\20\0\26\14\4\0\3\14"+ |
| "\1\0\1\66\1\0\3\14\20\0\6\14\1\142\17\14"+ |
| "\4\0\3\14\1\0\1\66\1\0\3\14\20\0\15\14"+ |
| "\1\143\10\14\4\0\3\14\1\0\1\66\1\0\3\14"+ |
| "\20\0\11\14\1\144\2\14\1\145\11\14\4\0\2\14"+ |
| "\1\146\1\0\1\66\1\0\3\14\20\0\10\14\1\147"+ |
| "\15\14\4\0\3\14\1\0\1\66\1\0\3\14\20\0"+ |
| "\15\14\1\150\10\14\4\0\3\14\1\0\1\66\1\0"+ |
| "\3\14\20\0\7\14\1\151\1\14\1\152\14\14\16\0"+ |
| "\1\153\65\0\1\154\43\0\1\57\63\0\1\61\63\0"+ |
| "\1\63\1\0\1\64\4\0\1\64\53\0\1\155\2\0"+ |
| "\1\156\4\0\1\156\52\0\2\14\1\157\1\0\1\66"+ |
| "\1\0\3\14\20\0\5\14\1\160\20\14\4\0\3\14"+ |
| "\1\0\1\66\1\0\3\14\20\0\21\14\1\161\4\14"+ |
| "\4\0\2\14\1\162\1\0\1\66\1\0\3\14\20\0"+ |
| "\26\14\4\0\3\14\1\0\1\66\1\0\3\14\20\0"+ |
| "\1\163\25\14\4\0\3\14\1\0\1\66\1\0\3\14"+ |
| "\20\0\2\14\1\164\23\14\4\0\3\14\1\0\1\66"+ |
| "\1\0\3\14\20\0\5\14\1\165\20\14\4\0\3\14"+ |
| "\1\0\1\66\1\0\3\14\20\0\20\14\1\166\5\14"+ |
| "\4\0\3\14\1\0\1\66\1\0\3\14\20\0\2\14"+ |
| "\1\167\23\14\4\0\3\14\1\0\1\66\1\0\3\14"+ |
| "\20\0\5\14\1\170\2\14\1\171\15\14\4\0\2\14"+ |
| "\1\172\1\0\1\66\1\0\3\14\20\0\26\14\4\0"+ |
| "\3\14\1\0\1\66\1\0\3\14\20\0\10\14\1\173"+ |
| "\15\14\4\0\3\14\1\0\1\66\1\0\3\14\20\0"+ |
| "\5\14\1\174\20\14\4\0\3\14\1\0\1\66\1\0"+ |
| "\3\14\20\0\23\14\1\175\2\14\4\0\3\14\1\0"+ |
| "\1\66\1\0\3\14\20\0\1\176\25\14\4\0\3\14"+ |
| "\1\0\1\66\1\0\3\14\20\0\3\14\1\177\22\14"+ |
| "\4\0\3\14\1\0\1\66\1\0\3\14\20\0\1\14"+ |
| "\1\200\24\14\4\0\3\14\1\0\1\66\1\0\3\14"+ |
| "\20\0\10\14\1\201\15\14\4\0\3\14\1\0\1\66"+ |
| "\1\0\3\14\20\0\20\14\1\202\5\14\4\0\3\14"+ |
| "\1\0\1\66\1\0\3\14\20\0\20\14\1\203\5\14"+ |
| "\4\0\3\14\1\0\1\66\1\0\3\14\20\0\4\14"+ |
| "\1\204\21\14\4\0\3\14\1\0\1\66\1\0\3\14"+ |
| "\20\0\1\205\3\14\1\206\21\14\4\0\3\14\1\0"+ |
| "\1\66\1\0\3\14\20\0\10\14\1\207\15\14\4\0"+ |
| "\3\14\1\0\1\66\1\0\3\14\20\0\24\14\1\210"+ |
| "\1\14\4\0\2\14\1\211\1\0\1\66\1\0\3\14"+ |
| "\20\0\26\14\4\0\2\14\1\212\1\0\1\66\1\0"+ |
| "\3\14\20\0\26\14\4\0\3\14\1\0\1\66\1\0"+ |
| "\3\14\20\0\21\14\1\213\4\14\4\0\3\14\1\0"+ |
| "\1\66\1\0\3\14\20\0\10\14\1\214\15\14\4\0"+ |
| "\3\14\1\0\1\66\1\0\3\14\20\0\2\14\1\215"+ |
| "\23\14\4\0\3\14\1\0\1\66\1\0\3\14\20\0"+ |
| "\3\14\1\216\5\14\1\217\14\14\4\0\3\14\1\0"+ |
| "\1\66\1\0\3\14\20\0\4\14\1\220\21\14\4\0"+ |
| "\3\14\1\0\1\66\1\0\3\14\20\0\11\14\1\221"+ |
| "\14\14\4\0\2\14\1\222\1\0\1\66\1\0\3\14"+ |
| "\20\0\15\14\1\223\10\14\4\0\1\155\62\0\3\14"+ |
| "\1\0\1\66\1\0\3\14\20\0\20\14\1\224\5\14"+ |
| "\4\0\2\14\1\225\1\0\1\66\1\0\3\14\20\0"+ |
| "\26\14\4\0\3\14\1\0\1\66\1\0\3\14\20\0"+ |
| "\10\14\1\226\15\14\4\0\3\14\1\0\1\66\1\0"+ |
| "\3\14\20\0\11\14\1\227\14\14\4\0\2\14\1\230"+ |
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| "\1\0\1\66\1\0\3\14\20\0\17\14\1\u014a\6\14"+ |
| "\4\0\3\14\1\0\1\66\1\0\3\14\20\0\13\14"+ |
| "\1\u014b\12\14\4\0\3\14\1\0\1\66\1\0\3\14"+ |
| "\20\0\14\14\1\u014c\11\14\4\0\3\14\1\0\1\66"+ |
| "\1\0\3\14\20\0\1\u014d\25\14\4\0\3\14\1\0"+ |
| "\1\66\1\0\3\14\20\0\10\14\1\u014e\15\14\4\0"+ |
| "\3\14\1\0\1\66\1\0\3\14\20\0\2\14\1\u014f"+ |
| "\23\14\4\0\3\14\1\0\1\66\1\0\3\14\20\0"+ |
| "\15\14\1\u0150\10\14\4\0\3\14\1\0\1\66\1\0"+ |
| "\3\14\20\0\6\14\1\u0151\17\14"; |
| |
| private static int [] zzUnpackTrans() { |
| int [] result = new int[13209]; |
| 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 = |
| "\2\0\2\11\5\1\1\11\2\1\1\11\2\1\6\11"+ |
| "\4\1\4\11\21\1\1\0\1\1\1\0\2\1\1\0"+ |
| "\1\11\1\0\5\1\11\11\46\1\2\11\1\1\1\0"+ |
| "\343\1"; |
| |
| private static int [] zzUnpackAttribute() { |
| int [] result = new int[337]; |
| 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: */ |
| public int lineno() { return yyline + 1; } |
| public int colno() { return yycolumn + 1; } |
| |
| private Symbol symbol(int type) { |
| return new Symbol(type, lineno(), colno()); |
| } |
| private Symbol symbol(int type, Object value) { |
| return new Symbol(type, lineno(), colno(), value); |
| } |
| |
| private int commentLevel = 0; |
| |
| |
| /** |
| * 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. |
| */ |
| XPathFlex(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. |
| */ |
| XPathFlex(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 < 180) { |
| int count = packed.charAt(i++); |
| char value = packed.charAt(i++); |
| do map[j++] = value; while (--count > 0); |
| } |
| return map; |
| } |
| |
| |
| /** |
| * 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) { |
| 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 |
| * <b>cannot</b> be reused (internal buffer is discarded and lost). |
| * Lexical state is set to <tt>ZZ_INITIAL</tt>. |
| * |
| * @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 <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. |
| */ |
| 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 java_cup.runtime.Symbol next_token() 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; |
| |
| 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 76: |
| { return symbol(XpathSym.ANCESTOR); |
| } |
| case 94: break; |
| case 59: |
| { return symbol(XpathSym.ITEM); |
| } |
| case 95: break; |
| case 47: |
| { return symbol(XpathSym.GT); |
| } |
| case 96: break; |
| case 83: |
| { return symbol(XpathSym.DESCENDANT); |
| } |
| case 97: break; |
| case 15: |
| { return symbol(XpathSym.EQUALS); |
| } |
| case 98: break; |
| case 26: |
| { return symbol(XpathSym.EQ); |
| } |
| case 99: break; |
| case 72: |
| { return symbol(XpathSym.ELEMENT); |
| } |
| case 100: break; |
| case 79: |
| { return symbol(XpathSym.NAMESPACE); |
| } |
| case 101: break; |
| case 36: |
| { return symbol(XpathSym.IS); |
| } |
| case 102: break; |
| case 23: |
| { // get rid of quotes |
| String str = yytext(); |
| assert str.length() >= 2; |
| return symbol(XpathSym.STRING, org.eclipse.wst.xml.xpath2.processor.internal.utils.LiteralUtils.unquote(str)); |
| } |
| case 103: break; |
| case 1: |
| { String err = "Unknown character at line " + lineno(); |
| err += " col " + colno(); |
| err += ": " + yytext(); |
| |
| throw new JFlexError(err); |
| } |
| case 104: break; |
| case 20: |
| { return symbol(XpathSym.COMMA); |
| } |
| case 105: break; |
| case 51: |
| { return symbol(XpathSym.LET); |
| } |
| case 106: break; |
| case 73: |
| { return symbol(XpathSym.COMMENT); |
| } |
| case 107: break; |
| case 40: |
| { return symbol(XpathSym.LT); |
| } |
| case 108: break; |
| case 32: |
| { return symbol(XpathSym.LESS_LESS); |
| } |
| case 109: break; |
| case 67: |
| { return symbol(XpathSym.TREAT); |
| } |
| case 110: break; |
| case 13: |
| { return symbol(XpathSym.STAR); |
| } |
| case 111: break; |
| case 68: |
| { return symbol(XpathSym.UNION); |
| } |
| case 112: break; |
| case 21: |
| { return symbol(XpathSym.DOLLAR); |
| } |
| case 113: break; |
| case 87: |
| { return symbol(XpathSym.SCHEMA_ELEMENT); |
| } |
| case 114: break; |
| case 37: |
| { return symbol(XpathSym.IN); |
| } |
| case 115: break; |
| case 44: |
| { return symbol(XpathSym.OR); |
| } |
| case 116: break; |
| case 25: |
| { return symbol(XpathSym.DOTDOT); |
| } |
| case 117: break; |
| case 84: |
| { return symbol(XpathSym.TYPESWITCH); |
| } |
| case 118: break; |
| case 5: |
| { return symbol(XpathSym.NCNAME, yytext()); |
| } |
| case 119: break; |
| case 19: |
| { return symbol(XpathSym.AT_SYM); |
| } |
| case 120: break; |
| case 31: |
| { return symbol(XpathSym.LESSEQUAL); |
| } |
| case 121: break; |
| case 27: |
| { commentLevel++; // int overflow =P |
| yybegin(COMMENT); |
| } |
| case 122: break; |
| case 85: |
| { return symbol(XpathSym.DOCUMENT_NODE); |
| } |
| case 123: break; |
| case 35: |
| { return symbol(XpathSym.FORWARD_SLASHSLASH); |
| } |
| case 124: break; |
| case 18: |
| { return symbol(XpathSym.FORWARD_SLASH); |
| } |
| case 125: break; |
| case 69: |
| { return symbol(XpathSym.EXCEPT); |
| } |
| case 126: break; |
| case 91: |
| { return symbol(XpathSym.PRECEDING_SIBLING); |
| } |
| case 127: break; |
| case 75: |
| { return symbol(XpathSym.INSTANCE); |
| } |
| case 128: break; |
| case 56: |
| { return symbol(XpathSym.ELSE); |
| } |
| case 129: break; |
| case 46: |
| { return symbol(XpathSym.GE); |
| } |
| case 130: break; |
| case 48: |
| { commentLevel++; |
| } |
| case 131: break; |
| case 38: |
| { return symbol(XpathSym.IF); |
| } |
| case 132: break; |
| case 43: |
| { return symbol(XpathSym.TO); |
| } |
| case 133: break; |
| case 86: |
| { return symbol(XpathSym.EMPTY_SEQUENCE); |
| } |
| case 134: break; |
| case 82: |
| { return symbol(XpathSym.PRECEDING); |
| } |
| case 135: break; |
| case 33: |
| { return symbol(XpathSym.GREATEREQUAL); |
| } |
| case 136: break; |
| case 89: |
| { return symbol(XpathSym.ANCESTOR_OR_SELF); |
| } |
| case 137: break; |
| case 80: |
| { return symbol(XpathSym.ATTRIBUTE); |
| } |
| case 138: break; |
| case 88: |
| { return symbol(XpathSym.SCHEMA_ATTRIBUTE); |
| } |
| case 139: break; |
| case 81: |
| { return symbol(XpathSym.FOLLOWING); |
| } |
| case 140: break; |
| case 54: |
| { return symbol(XpathSym.FOR); |
| } |
| case 141: break; |
| case 14: |
| { return symbol(XpathSym.PIPE); |
| } |
| case 142: break; |
| case 22: |
| { return symbol(XpathSym.QUESTIONMARK); |
| } |
| case 143: break; |
| case 39: |
| { return symbol(XpathSym.LE); |
| } |
| case 144: break; |
| case 24: |
| { return symbol(XpathSym.DECIMAL, new java.math.BigDecimal(yytext())); |
| } |
| case 145: break; |
| case 77: |
| { return symbol(XpathSym.INTERSECT); |
| } |
| case 146: break; |
| case 49: |
| { commentLevel--; |
| if(commentLevel == 0) |
| yybegin(YYINITIAL); |
| } |
| case 147: break; |
| case 45: |
| { return symbol(XpathSym.OF); |
| } |
| case 148: break; |
| case 66: |
| { return symbol(XpathSym.CHILD); |
| } |
| case 149: break; |
| case 41: |
| { return symbol(XpathSym.NE); |
| } |
| case 150: break; |
| case 60: |
| { return symbol(XpathSym.SELF); |
| } |
| case 151: break; |
| case 28: |
| { return symbol(XpathSym.COLONCOLON); |
| } |
| case 152: break; |
| case 52: |
| { return symbol(XpathSym.DIV); |
| } |
| case 153: break; |
| case 90: |
| { return symbol(XpathSym.FOLLOWING_SIBLING); |
| } |
| case 154: break; |
| case 63: |
| { return symbol(XpathSym.TEXT); |
| } |
| case 155: break; |
| case 70: |
| { return symbol(XpathSym.RETURN); |
| } |
| case 156: break; |
| case 55: |
| { return symbol(XpathSym.MOD); |
| } |
| case 157: break; |
| case 6: |
| { return symbol(XpathSym.PLUS); |
| } |
| case 158: break; |
| case 30: |
| { return symbol(XpathSym.NOTEQUALS); |
| } |
| case 159: break; |
| case 34: |
| { return symbol(XpathSym.GREATER_GREATER); |
| } |
| case 160: break; |
| case 3: |
| { return symbol(XpathSym.INTEGER, new java.math.BigInteger(yytext())); |
| } |
| case 161: break; |
| case 65: |
| { return symbol(XpathSym.EVERY); |
| } |
| case 162: break; |
| case 74: |
| { return symbol(XpathSym.CASTABLE); |
| } |
| case 163: break; |
| case 92: |
| { return symbol(XpathSym.DESCENDANT_OR_SELF); |
| } |
| case 164: break; |
| case 29: |
| { return symbol(XpathSym.COLONEQ); |
| } |
| case 165: break; |
| case 78: |
| { return symbol(XpathSym.SATISFIES); |
| } |
| case 166: break; |
| case 93: |
| { return symbol(XpathSym.PROCESSING_INSTRUCTION); |
| } |
| case 167: break; |
| case 16: |
| { return symbol(XpathSym.LESSTHAN); |
| } |
| case 168: break; |
| case 57: |
| { return symbol(XpathSym.CAST); |
| } |
| case 169: break; |
| case 12: |
| { return symbol(XpathSym.RPAR); |
| } |
| case 170: break; |
| case 2: |
| { /* ignore */ |
| } |
| case 171: break; |
| case 10: |
| { return symbol(XpathSym.LBRACKET); |
| } |
| case 172: break; |
| case 62: |
| { return symbol(XpathSym.NODE); |
| } |
| case 173: break; |
| case 58: |
| { return symbol(XpathSym.IDIV); |
| } |
| case 174: break; |
| case 50: |
| { return symbol(XpathSym.DOUBLE, new Double(yytext())); |
| } |
| case 175: break; |
| case 64: |
| { return symbol(XpathSym.THEN); |
| } |
| case 176: break; |
| case 61: |
| { return symbol(XpathSym.SOME); |
| } |
| case 177: break; |
| case 71: |
| { return symbol(XpathSym.PARENT); |
| } |
| case 178: break; |
| case 7: |
| { return symbol(XpathSym.MINUS); |
| } |
| case 179: break; |
| case 42: |
| { return symbol(XpathSym.AS); |
| } |
| case 180: break; |
| case 4: |
| { return symbol(XpathSym.DOT); |
| } |
| case 181: break; |
| case 11: |
| { return symbol(XpathSym.RBRACKET); |
| } |
| case 182: break; |
| case 17: |
| { return symbol(XpathSym.GREATER); |
| } |
| case 183: break; |
| case 53: |
| { return symbol(XpathSym.AND); |
| } |
| case 184: break; |
| case 8: |
| { return symbol(XpathSym.LPAR); |
| } |
| case 185: break; |
| case 9: |
| { return symbol(XpathSym.COLON); |
| } |
| case 186: break; |
| default: |
| if (zzInput == YYEOF && zzStartRead == zzCurrentPos) { |
| zzAtEOF = true; |
| zzDoEOF(); |
| { return new java_cup.runtime.Symbol(XpathSym.EOF); } |
| } |
| else { |
| zzScanError(ZZ_NO_MATCH); |
| } |
| } |
| } |
| } |
| |
| |
| } |
