mirror of
https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
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204 lines
7.2 KiB
Plaintext
204 lines
7.2 KiB
Plaintext
/*
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* Copyright (C) 2010-2016 JPEXS, All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 3.0 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library.
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*/
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package com.jpexs.decompiler.flash.importers.svg.css;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Stack;
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%%
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%public
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%class CssLexer
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%final
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%unicode
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%char
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%ignorecase
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%type CssParsedSymbol
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%{
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StringBuilder string = new StringBuilder();
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private static String xmlTagName = "";
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public int yychar() {
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return yychar;
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}
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private final Stack<CssParsedSymbol> pushedBack = new Stack<>();
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public int yyline() {
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return yyline + 1;
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}
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private boolean doBuffer = false;
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private List<CssParsedSymbol> buffer = new ArrayList<>();
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public void startBuffer(){
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doBuffer = true;
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}
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public String getAndClearBuffer(){
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StringBuilder sb = new StringBuilder();
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for(CssParsedSymbol s:buffer){
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sb.append(s.value);
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}
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buffer.clear();
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doBuffer = false;
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return sb.toString();
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}
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public int getPos(){
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int pos = yychar() + yylength();
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for(CssParsedSymbol p:pushedBack) {
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pos -= p.value.length();
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}
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return pos;
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}
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public void pushback(CssParsedSymbol symb) {
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pushedBack.push(symb);
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if(!buffer.isEmpty()){
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buffer.remove(buffer.size()-1);
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}
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last = null;
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}
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CssParsedSymbol last;
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public CssParsedSymbol lex() throws java.io.IOException {
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CssParsedSymbol ret = null;
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if (!pushedBack.isEmpty()){
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ret = last = pushedBack.pop();
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} else {
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ret = last = yylex();
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}
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if (doBuffer){
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buffer.add(ret);
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}
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return ret;
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}
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%}
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h= [0-9a-fA-F]
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nonascii= [\240-\377]
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unicode= \\{h}{1,6}(\r\n|[ \t\r\n\f])?
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escape= {unicode}|\\[^\r\n\f0-9a-fA-F]
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nmstart= [_a-zA-Z]|{nonascii}|{escape}
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nmchar= [_a-zA-Z0-9-]|{nonascii}|{escape}
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string1= "\"" ([^\n\r\f\\\"]|\\{nl}|{escape})* "\""
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string2= \'([^\n\r\f\\']|\\{nl}|{escape})*\'
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badstring1= "\"" ([^\n\r\f\\\"]|\\{nl}|{escape})*\\?
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badstring2= \'([^\n\r\f\\']|\\{nl}|{escape})*\\?
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badcomment1= \/\*[^*]*\*+([^/*][^*]*\*+)*
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badcomment2= \/\*[^*]*(\*+[^/*][^*]*)*
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baduri1= {U}{R}{L}\({w}([!#$%&*-\[\]-~]|{nonascii}|{escape})*{w}
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baduri2= {U}{R}{L}\({w}{string}{w}
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baduri3= {U}{R}{L}\({w}{badstring}
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comment= \/\*[^*]*\*+([^/*][^*]*\*+)*\/
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ident= -?{nmstart}{nmchar}*
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name= {nmchar}+
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num= [-+]?[0-9]+|[-+]?[0-9]*"."[0-9]+
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string= {string1}|{string2}
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badstring= {badstring1}|{badstring2}
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badcomment= {badcomment1}|{badcomment2}
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baduri= {baduri1}|{baduri2}|{baduri3}
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url= ([!#$%&*-~]|{nonascii}|{escape})*
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s= [ \t\r\n\f]+
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w= {s}?
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nl= \n|\r\n|\r|\f
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A= A|a|\\0{0,4}(41|61)(\r\n|[ \t\r\n\f])?
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C= C|c|\\0{0,4}(43|63)(\r\n|[ \t\r\n\f])?
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D= D|d|\\0{0,4}(44|64)(\r\n|[ \t\r\n\f])?
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E= E|e|\\0{0,4}(45|65)(\r\n|[ \t\r\n\f])?
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G= G|g|\\0{0,4}(47|67)(\r\n|[ \t\r\n\f])?|\\g
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H= H|h|\\0{0,4}(48|68)(\r\n|[ \t\r\n\f])?|\\h
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I= I|i|\\0{0,4}(49|69)(\r\n|[ \t\r\n\f])?|\\i
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K= K|k|\\0{0,4}(4b|6b)(\r\n|[ \t\r\n\f])?|\\k
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L= L|l|\\0{0,4}(4c|6c)(\r\n|[ \t\r\n\f])?|\\l
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M= M|m|\\0{0,4}(4d|6d)(\r\n|[ \t\r\n\f])?|\\m
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N= N|n|\\0{0,4}(4e|6e)(\r\n|[ \t\r\n\f])?|\\n
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O= O|o|\\0{0,4}(4f|6f)(\r\n|[ \t\r\n\f])?|\\o
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P= P|p|\\0{0,4}(50|70)(\r\n|[ \t\r\n\f])?|\\p
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R= R|r|\\0{0,4}(52|72)(\r\n|[ \t\r\n\f])?|\\r
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S= S|s|\\0{0,4}(53|73)(\r\n|[ \t\r\n\f])?|\\s
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T= T|t|\\0{0,4}(54|74)(\r\n|[ \t\r\n\f])?|\\t
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U= U|u|\\0{0,4}(55|75)(\r\n|[ \t\r\n\f])?|\\u
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X= X|x|\\0{0,4}(58|78)(\r\n|[ \t\r\n\f])?|\\x
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Z= Z|z|\\0{0,4}(5a|7a)(\r\n|[ \t\r\n\f])?|\\z
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%%
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<YYINITIAL> {
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{s} {return new CssParsedSymbol(yytext(), CssSymbolType.S);}
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\/\*[^*]*\*+([^/*][^*]*\*+)*\/ /* ignore comments */
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{badcomment} /* unclosed comment at EOF */
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"<!--" {return new CssParsedSymbol(yytext(), CssSymbolType.CDO);}
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"-->" {return new CssParsedSymbol(yytext(), CssSymbolType.CDC);}
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"~=" {return new CssParsedSymbol(yytext(), CssSymbolType.INCLUDES);}
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"|=" {return new CssParsedSymbol(yytext(), CssSymbolType.DASHMATCH);}
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{string} {return new CssParsedSymbol(yytext(), CssSymbolType.STRING);}
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{badstring} {return new CssParsedSymbol(yytext(), CssSymbolType.BAD_STRING);}
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{ident} {return new CssParsedSymbol(yytext(), CssSymbolType.IDENT);}
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"#"{name} {return new CssParsedSymbol(yytext(), CssSymbolType.HASH);}
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@{I}{M}{P}{O}{R}{T} {return new CssParsedSymbol(yytext(), CssSymbolType.IMPORT_SYM);}
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@{P}{A}{G}{E} {return new CssParsedSymbol(yytext(), CssSymbolType.PAGE_SYM);}
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@{M}{E}{D}{I}{A} {return new CssParsedSymbol(yytext(), CssSymbolType.MEDIA_SYM);}
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"@charset " {return new CssParsedSymbol(yytext(), CssSymbolType.CHARSET_SYM);}
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"!"({w}|{comment})*{I}{M}{P}{O}{R}{T}{A}{N}{T} {return new CssParsedSymbol(yytext(), CssSymbolType.IMPORTANT_SYM);}
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{num}{E}{M} {return new CssParsedSymbol(yytext(), CssSymbolType.EMS);}
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{num}{E}{X} {return new CssParsedSymbol(yytext(), CssSymbolType.EXS);}
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{num}{P}{X} {return new CssParsedSymbol(yytext(), CssSymbolType.LENGTH);}
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{num}{C}{M} {return new CssParsedSymbol(yytext(), CssSymbolType.LENGTH);}
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{num}{M}{M} {return new CssParsedSymbol(yytext(), CssSymbolType.LENGTH);}
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{num}{I}{N} {return new CssParsedSymbol(yytext(), CssSymbolType.LENGTH);}
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{num}{P}{T} {return new CssParsedSymbol(yytext(), CssSymbolType.LENGTH);}
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{num}{P}{C} {return new CssParsedSymbol(yytext(), CssSymbolType.LENGTH);}
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{num}{D}{E}{G} {return new CssParsedSymbol(yytext(), CssSymbolType.ANGLE);}
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{num}{R}{A}{D} {return new CssParsedSymbol(yytext(), CssSymbolType.ANGLE);}
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{num}{G}{R}{A}{D} {return new CssParsedSymbol(yytext(), CssSymbolType.ANGLE);}
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{num}{M}{S} {return new CssParsedSymbol(yytext(), CssSymbolType.TIME);}
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{num}{S} {return new CssParsedSymbol(yytext(), CssSymbolType.TIME);}
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{num}{H}{Z} {return new CssParsedSymbol(yytext(), CssSymbolType.FREQ);}
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{num}{K}{H}{Z} {return new CssParsedSymbol(yytext(), CssSymbolType.FREQ);}
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{num}{ident} {return new CssParsedSymbol(yytext(), CssSymbolType.DIMENSION);}
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{num}% {return new CssParsedSymbol(yytext(), CssSymbolType.PERCENTAGE);}
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{num} {return new CssParsedSymbol(yytext(), CssSymbolType.NUMBER);}
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{U}{R}{L}"("{w}{string}{w}")" {return new CssParsedSymbol(yytext(), CssSymbolType.URI);}
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{U}{R}{L}"("{w}{url}{w}")" {return new CssParsedSymbol(yytext(), CssSymbolType.URI);}
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{baduri} {return new CssParsedSymbol(yytext(), CssSymbolType.BAD_URI);}
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{ident}"(" {return new CssParsedSymbol(yytext(), CssSymbolType.FUNCTION);}
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{comment} {}
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. {return new CssParsedSymbol(yytext(), CssSymbolType.OTHER);}
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}
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<<EOF>> { return new CssParsedSymbol("", CssSymbolType.EOF); }
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