mirror of https://github.com/moparisthebest/wget
140 lines
4.8 KiB
Plaintext
140 lines
4.8 KiB
Plaintext
%option case-insensitive
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%option noyywrap
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%option never-interactive
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%option nounput
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%{
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/* Lex source for CSS tokenizing.
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Taken from http://www.w3.org/TR/CSS21/grammar.html#q2
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Copyright (C) 2006, 2009, 2010, 2011, 2015 Free Software Foundation,
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Inc.
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This file is part of GNU Wget.
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GNU Wget is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or (at
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your option) any later version.
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GNU Wget 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Wget. If not, see <http://www.gnu.org/licenses/>.
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Additional permission under GNU GPL version 3 section 7
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If you modify this program, or any covered work, by linking or
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combining it with the OpenSSL project's OpenSSL library (or a
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modified version of that library), containing parts covered by the
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terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
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grants you additional permission to convey the resulting work.
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Corresponding Source for a non-source form of such a combination
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shall include the source code for the parts of OpenSSL used as well
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as that of the covered work. */
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#define YY_NO_INPUT
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#include "css-tokens.h"
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%}
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h [0-9a-f]
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nonascii [\200-\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-f]
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nmstart [_a-z]|{nonascii}|{escape}
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nmchar [_a-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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invalid1 \"([^\n\r\f\\"]|\\{nl}|{escape})*
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invalid2 \'([^\n\r\f\\']|\\{nl}|{escape})*
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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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invalid {invalid1}|{invalid2}
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url ([!#$%&*-~]|{nonascii}|{escape})*
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s [ \t\r\n\f]
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w ({s}|{comment})*
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nl \n|\r\n|\r|\f
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A a|\\0{0,4}(41|61)(\r\n|[ \t\r\n\f])?
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C c|\\0{0,4}(43|63)(\r\n|[ \t\r\n\f])?
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D d|\\0{0,4}(44|64)(\r\n|[ \t\r\n\f])?
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E e|\\0{0,4}(45|65)(\r\n|[ \t\r\n\f])?
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G g|\\0{0,4}(47|67)(\r\n|[ \t\r\n\f])?|\\g
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H h|\\0{0,4}(48|68)(\r\n|[ \t\r\n\f])?|\\h
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I i|\\0{0,4}(49|69)(\r\n|[ \t\r\n\f])?|\\i
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K k|\\0{0,4}(4b|6b)(\r\n|[ \t\r\n\f])?|\\k
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M m|\\0{0,4}(4d|6d)(\r\n|[ \t\r\n\f])?|\\m
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N n|\\0{0,4}(4e|6e)(\r\n|[ \t\r\n\f])?|\\n
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P p|\\0{0,4}(50|70)(\r\n|[ \t\r\n\f])?|\\p
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R r|\\0{0,4}(52|72)(\r\n|[ \t\r\n\f])?|\\r
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S s|\\0{0,4}(53|73)(\r\n|[ \t\r\n\f])?|\\s
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T t|\\0{0,4}(54|74)(\r\n|[ \t\r\n\f])?|\\t
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X x|\\0{0,4}(58|78)(\r\n|[ \t\r\n\f])?|\\x
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Z z|\\0{0,4}(5a|7a)(\r\n|[ \t\r\n\f])?|\\z
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%%
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{s} {return S;}
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\/\*[^*]*\*+([^/*][^*]*\*+)*\/ {return S;} /* ignore comments */
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"<!--" {return CDO;}
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"-->" {return CDC;}
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"~=" {return INCLUDES;}
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"|=" {return DASHMATCH;}
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{w}"{" {return LBRACE;}
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{w}"+" {return PLUS;}
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{w}">" {return GREATER;}
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{w}"," {return COMMA;}
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{string} {return STRING;}
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{invalid} {return INVALID; /* unclosed string */}
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{ident} {return IDENT;}
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"#"{name} {return HASH;}
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"@import" {return IMPORT_SYM;}
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"@page" {return PAGE_SYM;}
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"@media" {return MEDIA_SYM;}
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"@charset " {return CHARSET_SYM;}
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"!"{w}"important" {return IMPORTANT_SYM;}
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{num}{E}{M} {return EMS;}
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{num}{E}{X} {return EXS;}
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{num}{P}{X} {return LENGTH;}
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{num}{C}{M} {return LENGTH;}
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{num}{M}{M} {return LENGTH;}
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{num}{I}{N} {return LENGTH;}
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{num}{P}{T} {return LENGTH;}
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{num}{P}{C} {return LENGTH;}
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{num}{D}{E}{G} {return ANGLE;}
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{num}{R}{A}{D} {return ANGLE;}
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{num}{G}{R}{A}{D} {return ANGLE;}
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{num}{M}{S} {return TIME;}
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{num}{S} {return TIME;}
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{num}{H}{Z} {return FREQ;}
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{num}{K}{H}{Z} {return FREQ;}
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{num}{ident} {return DIMENSION;}
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{num}% {return PERCENTAGE;}
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{num} {return NUMBER;}
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"url("{w}{string}{w}")" {return URI;}
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"url("{w}{url}{w}")" {return URI;}
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{ident}"(" {return FUNCTION;}
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. {return *yytext;}
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%%
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