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1065 lines
24 KiB
1065 lines
24 KiB
%{
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/*
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* This file is part of the KDE libraries
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* Copyright (C) 2002-2003 Lars Knoll (knoll@kde.org)
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* Copyright (c) 2003 Apple Computer
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* Copyright (C) 2003 Dirk Mueller (mueller@kde.org)
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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 2 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; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <dom/dom_string.h>
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#include <xml/dom_docimpl.h>
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#include <css/cssstyleselector.h>
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#include <css/css_ruleimpl.h>
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#include <css/css_stylesheetimpl.h>
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#include <css/css_valueimpl.h>
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#include <misc/htmlhashes.h>
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#include "cssparser.h"
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#include <assert.h>
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#include <kdebug.h>
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//#define CSS_DEBUG
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using namespace DOM;
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//
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// The following file defines the function
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// const struct props *findProp(const char *word, int len)
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//
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// with 'props->id' a CSS property in the range from CSS_PROP_MIN to
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// (and including) CSS_PROP_TOTAL-1
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// turn off inlining to void warning with newer gcc
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#undef __inline
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#define __inline
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#include "cssproperties.c"
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#include "cssvalues.c"
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#undef __inline
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int DOM::getPropertyID(const char *tagStr, int len)
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{
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const struct props *propsPtr = findProp(tagStr, len);
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if (!propsPtr)
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return 0;
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return propsPtr->id;
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}
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static inline int getValueID(const char *tagStr, int len)
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{
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const struct css_value *val = findValue(tagStr, len);
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if (!val)
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return 0;
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return val->id;
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}
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#define YYDEBUG 0
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#undef YYMAXDEPTH
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#define YYPARSE_PARAM parser
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%}
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%pure_parser
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%union {
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CSSRuleImpl *rule;
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CSSSelector *selector;
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QPtrList<CSSSelector> *selectorList;
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bool ok;
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MediaListImpl *mediaList;
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CSSMediaRuleImpl *mediaRule;
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CSSRuleListImpl *ruleList;
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ParseString string;
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float val;
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int prop_id;
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unsigned int attribute;
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unsigned int element;
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unsigned int ns;
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CSSSelector::Relation relation;
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CSSSelector::Match match;
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bool b;
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char tok;
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Value value;
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ValueList *valueList;
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}
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%{
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static inline int cssyyerror(const char *x )
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{
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#ifdef CSS_DEBUG
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tqDebug( "%s", x );
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#else
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Q_UNUSED( x );
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#endif
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return 1;
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}
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static int cssyylex( YYSTYPE *yylval ) {
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return CSSParser::current()->lex( yylval );
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}
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#define null 1
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%}
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%destructor { delete $$; $$ = 0; } expr;
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%destructor { delete $$; $$ = 0; } maybe_media_list media_list;
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%destructor { delete $$; $$ = 0; } selector_list;
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%destructor { delete $$; $$ = 0; } ruleset_list;
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%destructor { delete $$; $$ = 0; } specifier specifier_list simple_selector selector class attrib pseudo;
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%no-lines
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%verbose
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%left UNIMPORTANT_TOK
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%token S SGML_CD
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%token INCLUDES
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%token DASHMATCH
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%token BEGINSWITH
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%token ENDSWITH
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%token CONTAINS
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%token <string> STRING
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%right <string> IDENT
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%token <string> NTH
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%nonassoc <string> HASH
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%nonassoc ':'
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%nonassoc '.'
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%nonassoc '['
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%nonassoc '*'
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%nonassoc error
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%left '|'
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%left IMPORT_SYM
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%token PAGE_SYM
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%token MEDIA_SYM
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%token FONT_FACE_SYM
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%token CHARSET_SYM
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%token NAMESPACE_SYM
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%token KHTML_RULE_SYM
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%token KHTML_DECLS_SYM
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%token KHTML_VALUE_SYM
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%token IMPORTANT_SYM
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%token <val> QEMS
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%token <val> EMS
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%token <val> EXS
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%token <val> PXS
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%token <val> CMS
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%token <val> MMS
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%token <val> INS
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%token <val> PTS
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%token <val> PCS
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%token <val> DEGS
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%token <val> RADS
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%token <val> GRADS
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%token <val> MSECS
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%token <val> SECS
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%token <val> HERZ
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%token <val> KHERZ
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%token <string> DIMEN
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%token <val> PERCENTAGE
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%token <val> FLOAT
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%token <val> INTEGER
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%token <string> URI
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%token <string> FUNCTION
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%token <string> NOTFUNCTION
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%token <string> UNICODERANGE
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%type <relation> combinator
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%type <rule> ruleset
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%type <rule> media
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%type <rule> import
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%type <rule> page
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%type <rule> font_face
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%type <rule> invalid_rule
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%type <rule> invalid_at
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%type <rule> rule
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%type <string> namespace_selector
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%type <string> string_or_uri
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%type <string> ident_or_string
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%type <string> medium
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%type <string> hexcolor
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%type <string> maybe_ns_prefix
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%type <mediaList> media_list
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%type <mediaList> maybe_media_list
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%type <ruleList> ruleset_list
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%type <prop_id> property
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%type <selector> specifier
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%type <selector> specifier_list
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%type <selector> simple_selector
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%type <selector> selector
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%type <selectorList> selector_list
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%type <selector> class
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%type <selector> attrib
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%type <selector> pseudo
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%type <ok> declaration_block
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%type <ok> declaration_list
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%type <ok> declaration
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%type <b> prio
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%type <match> match
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%type <val> unary_operator
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%type <tok> operator
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%type <valueList> expr
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%type <value> term
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%type <value> unary_term
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%type <value> function
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%type <element> element_name
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%type <attribute> attrib_id
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%%
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stylesheet:
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maybe_charset maybe_sgml import_list namespace_list rule_list
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| khtml_rule maybe_space
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| khtml_decls maybe_space
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| khtml_value maybe_space
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;
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khtml_rule:
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KHTML_RULE_SYM '{' maybe_space ruleset maybe_space '}' {
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CSSParser *p = static_cast<CSSParser *>(parser);
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p->rule = $4;
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}
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;
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khtml_decls:
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KHTML_DECLS_SYM declaration_block {
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/* can be empty */
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}
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;
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khtml_value:
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KHTML_VALUE_SYM '{' maybe_space expr '}' {
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CSSParser *p = static_cast<CSSParser *>(parser);
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if ( $4 ) {
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p->valueList = $4;
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#ifdef CSS_DEBUG
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kdDebug( 6080 ) << " got property for " << p->id <<
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(p->important?" important":"")<< endl;
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bool ok =
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#endif
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p->parseValue( p->id, p->important );
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#ifdef CSS_DEBUG
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if ( !ok )
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kdDebug( 6080 ) << " couldn't parse value!" << endl;
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#endif
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}
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#ifdef CSS_DEBUG
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else
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kdDebug( 6080 ) << " no value found!" << endl;
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#endif
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delete p->valueList;
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p->valueList = 0;
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}
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;
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maybe_space:
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/* empty */ %prec UNIMPORTANT_TOK
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| maybe_space S
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;
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maybe_sgml:
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/* empty */
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| maybe_sgml SGML_CD
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| maybe_sgml S
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;
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maybe_charset:
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/* empty */
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| CHARSET_SYM maybe_space STRING maybe_space ';' {
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#ifdef CSS_DEBUG
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kdDebug( 6080 ) << "charset rule: " << qString($3) << endl;
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#endif
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}
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| CHARSET_SYM error invalid_block
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| CHARSET_SYM error ';'
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;
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import_list:
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/* empty */
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| import_list import maybe_sgml {
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CSSParser *p = static_cast<CSSParser *>(parser);
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if ( $2 && p->styleElement && p->styleElement->isCSSStyleSheet() ) {
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p->styleElement->append( $2 );
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} else {
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delete $2;
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}
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}
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;
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import:
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IMPORT_SYM maybe_space string_or_uri maybe_space maybe_media_list ';' {
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#ifdef CSS_DEBUG
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kdDebug( 6080 ) << "@import: " << qString($3) << endl;
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#endif
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CSSParser *p = static_cast<CSSParser *>(parser);
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if ( $5 && p->styleElement && p->styleElement->isCSSStyleSheet() )
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$$ = new CSSImportRuleImpl( p->styleElement, domString($3), $5 );
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else
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$$ = 0;
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}
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| IMPORT_SYM error invalid_block {
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$$ = 0;
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}
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| IMPORT_SYM error ';' {
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$$ = 0;
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}
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;
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|
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namespace_list:
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/* empty */ %prec UNIMPORTANT_TOK
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| namespace_list namespace maybe_sgml
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;
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namespace:
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NAMESPACE_SYM maybe_space maybe_ns_prefix string_or_uri maybe_space ';' {
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#ifdef CSS_DEBUG
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kdDebug( 6080 ) << "@namespace: " << qString($4) << endl;
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#endif
|
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CSSParser *p = static_cast<CSSParser *>(parser);
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if (p->styleElement && p->styleElement->isCSSStyleSheet())
|
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static_cast<CSSStyleSheetImpl*>(p->styleElement)->addNamespace(p, domString($3), domString($4));
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}
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| NAMESPACE_SYM error invalid_block
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| NAMESPACE_SYM error ';'
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;
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maybe_ns_prefix:
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/* empty */ { $$.string = 0; }
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| IDENT S { $$ = $1; }
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;
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rule_list:
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/* empty */
|
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| rule_list rule maybe_sgml {
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CSSParser *p = static_cast<CSSParser *>(parser);
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if ( $2 && p->styleElement && p->styleElement->isCSSStyleSheet() ) {
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p->styleElement->append( $2 );
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} else {
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delete $2;
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}
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}
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;
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rule:
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ruleset
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| media
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| page
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| font_face
|
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| invalid_rule
|
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| invalid_at
|
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| import error { delete $1; $$ = 0; }
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;
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|
string_or_uri:
|
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STRING
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| URI
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;
|
|
|
|
maybe_media_list:
|
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/* empty */ {
|
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$$ = new MediaListImpl();
|
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}
|
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| media_list
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;
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|
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media_list:
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medium {
|
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$$ = new MediaListImpl();
|
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$$->appendMedium( domString($1).lower() );
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}
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| media_list ',' maybe_space medium {
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$$ = $1;
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if ($$)
|
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$$->appendMedium( domString($4).lower() );
|
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}
|
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| media_list error {
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delete $1;
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$$ = 0;
|
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}
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;
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|
|
media:
|
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MEDIA_SYM maybe_space media_list '{' maybe_space ruleset_list '}' {
|
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CSSParser *p = static_cast<CSSParser *>(parser);
|
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if ( $3 && $6 &&
|
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p->styleElement && p->styleElement->isCSSStyleSheet() ) {
|
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$$ = new CSSMediaRuleImpl( static_cast<CSSStyleSheetImpl*>(p->styleElement), $3, $6 );
|
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} else {
|
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$$ = 0;
|
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delete $3;
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delete $6;
|
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}
|
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}
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;
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|
|
ruleset_list:
|
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/* empty */ { $$ = 0; }
|
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| ruleset_list ruleset maybe_space {
|
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$$ = $1;
|
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if ( $2 ) {
|
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if ( !$$ ) $$ = new CSSRuleListImpl();
|
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$$->append( $2 );
|
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}
|
|
}
|
|
;
|
|
|
|
medium:
|
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IDENT maybe_space {
|
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$$ = $1;
|
|
}
|
|
;
|
|
|
|
/*
|
|
page:
|
|
PAGE_SYM maybe_space IDENT? pseudo_page? maybe_space
|
|
'{' maybe_space declaration [ ';' maybe_space declaration ]* '}' maybe_space
|
|
;
|
|
|
|
pseudo_page
|
|
: ':' IDENT
|
|
;
|
|
|
|
font_face
|
|
: FONT_FACE_SYM maybe_space
|
|
'{' maybe_space declaration [ ';' maybe_space declaration ]* '}' maybe_space
|
|
;
|
|
*/
|
|
|
|
page:
|
|
PAGE_SYM error invalid_block {
|
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$$ = 0;
|
|
}
|
|
| PAGE_SYM error ';' {
|
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$$ = 0;
|
|
}
|
|
;
|
|
|
|
font_face:
|
|
FONT_FACE_SYM error invalid_block {
|
|
$$ = 0;
|
|
}
|
|
| FONT_FACE_SYM error ';' {
|
|
$$ = 0;
|
|
}
|
|
;
|
|
|
|
combinator:
|
|
'+' maybe_space { $$ = CSSSelector::DirectAdjacent; }
|
|
| '~' maybe_space { $$ = CSSSelector::IndirectAdjacent; }
|
|
| '>' maybe_space { $$ = CSSSelector::Child; }
|
|
| /* empty */ { $$ = CSSSelector::Descendant; }
|
|
;
|
|
|
|
unary_operator:
|
|
'-' { $$ = -1; }
|
|
| '+' { $$ = 1; }
|
|
;
|
|
|
|
ruleset:
|
|
selector_list declaration_block {
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << "got ruleset" << endl << " selector:" << endl;
|
|
#endif
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
if ( $1 && $2 && p->numParsedProperties ) {
|
|
CSSStyleRuleImpl *rule = new CSSStyleRuleImpl( p->styleElement );
|
|
CSSStyleDeclarationImpl *decl = p->createStyleDeclaration( rule );
|
|
rule->setSelector( $1 );
|
|
rule->setDeclaration(decl);
|
|
$$ = rule;
|
|
} else {
|
|
$$ = 0;
|
|
delete $1;
|
|
p->clearProperties();
|
|
}
|
|
}
|
|
;
|
|
|
|
selector_list:
|
|
selector %prec UNIMPORTANT_TOK {
|
|
if ( $1 ) {
|
|
$$ = new QPtrList<CSSSelector>;
|
|
$$->setAutoDelete( true );
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << " got simple selector:" << endl;
|
|
$1->print();
|
|
#endif
|
|
$$->append( $1 );
|
|
khtml::CSSStyleSelector::precomputeAttributeDependencies(static_cast<CSSParser *>(parser)->document(), $1);
|
|
} else {
|
|
$$ = 0;
|
|
}
|
|
}
|
|
| selector_list ',' maybe_space selector %prec UNIMPORTANT_TOK {
|
|
if ( $1 && $4 ) {
|
|
$$ = $1;
|
|
$$->append( $4 );
|
|
khtml::CSSStyleSelector::precomputeAttributeDependencies(static_cast<CSSParser *>(parser)->document(), $4);
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << " got simple selector:" << endl;
|
|
$4->print();
|
|
#endif
|
|
} else {
|
|
delete $1;
|
|
delete $4;
|
|
$$ = 0;
|
|
}
|
|
}
|
|
| selector_list error {
|
|
delete $1;
|
|
$$ = 0;
|
|
}
|
|
;
|
|
|
|
selector:
|
|
simple_selector {
|
|
$$ = $1;
|
|
}
|
|
| selector combinator simple_selector {
|
|
if ( !$1 || !$3 ) {
|
|
delete $1;
|
|
delete $3;
|
|
$$ = 0;
|
|
} else {
|
|
$$ = $3;
|
|
CSSSelector *end = $3;
|
|
while( end->tagHistory )
|
|
end = end->tagHistory;
|
|
end->relation = $2;
|
|
end->tagHistory = $1;
|
|
}
|
|
}
|
|
| selector error {
|
|
delete $1;
|
|
$$ = 0;
|
|
}
|
|
;
|
|
|
|
namespace_selector:
|
|
/* empty */ '|' { $$.string = 0; $$.length = 0; }
|
|
| '*' '|' { static unsigned short star = '*'; $$.string = ☆ $$.length = 1; }
|
|
| IDENT '|' { $$ = $1; }
|
|
;
|
|
|
|
simple_selector:
|
|
element_name maybe_space {
|
|
$$ = new CSSSelector();
|
|
$$->tag = $1;
|
|
}
|
|
| element_name specifier_list maybe_space {
|
|
$$ = $2;
|
|
if ( $$ )
|
|
$$->tag = $1;
|
|
}
|
|
| specifier_list maybe_space {
|
|
$$ = $1;
|
|
if ( $$ )
|
|
$$->tag = makeId(static_cast<CSSParser*>(parser)->defaultNamespace(), anyLocalName);
|
|
}
|
|
| namespace_selector element_name maybe_space {
|
|
$$ = new CSSSelector();
|
|
$$->tag = $2;
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
if (p->styleElement && p->styleElement->isCSSStyleSheet())
|
|
static_cast<CSSStyleSheetImpl*>(p->styleElement)->determineNamespace($$->tag, domString($1));
|
|
}
|
|
| namespace_selector element_name specifier_list maybe_space {
|
|
$$ = $3;
|
|
if ($$) {
|
|
$$->tag = $2;
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
if (p->styleElement && p->styleElement->isCSSStyleSheet())
|
|
static_cast<CSSStyleSheetImpl*>(p->styleElement)->determineNamespace($$->tag, domString($1));
|
|
}
|
|
}
|
|
| namespace_selector specifier_list maybe_space {
|
|
$$ = $2;
|
|
if ($$) {
|
|
$$->tag = makeId(anyNamespace, anyLocalName);
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
if (p->styleElement && p->styleElement->isCSSStyleSheet())
|
|
static_cast<CSSStyleSheetImpl*>(p->styleElement)->determineNamespace($$->tag, domString($1));
|
|
}
|
|
}
|
|
;
|
|
|
|
element_name:
|
|
IDENT {
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
DOM::DocumentImpl *doc = p->document();
|
|
QString tag = qString($1);
|
|
if ( doc ) {
|
|
if (doc->isHTMLDocument())
|
|
tag = tag.lower();
|
|
const DOMString dtag(tag);
|
|
$$ = makeId(p->defaultNamespace(), doc->getId(NodeImpl::ElementId, dtag.implementation(), false, true));
|
|
} else {
|
|
$$ = makeId(p->defaultNamespace(), khtml::getTagID(tag.lower().ascii(), tag.length()));
|
|
// this case should never happen - only when loading
|
|
// the default stylesheet - which must not contain unknown tags
|
|
// assert($$ != 0);
|
|
}
|
|
}
|
|
| '*' {
|
|
$$ = makeId(static_cast<CSSParser*>(parser)->defaultNamespace(), anyLocalName);
|
|
}
|
|
;
|
|
|
|
specifier_list:
|
|
specifier {
|
|
$$ = $1;
|
|
$$->nonCSSHint = static_cast<CSSParser *>(parser)->nonCSSHint;
|
|
}
|
|
| specifier_list specifier {
|
|
$$ = $1;
|
|
if ( $$ ) {
|
|
CSSSelector *end = $1;
|
|
while( end->tagHistory )
|
|
end = end->tagHistory;
|
|
end->relation = CSSSelector::SubSelector;
|
|
end->tagHistory = $2;
|
|
}
|
|
}
|
|
| specifier_list error {
|
|
delete $1;
|
|
$$ = 0;
|
|
}
|
|
;
|
|
|
|
specifier:
|
|
HASH {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::Id;
|
|
$$->attr = ATTR_ID;
|
|
$$->value = domString($1);
|
|
}
|
|
| class
|
|
| attrib
|
|
| pseudo
|
|
;
|
|
|
|
class:
|
|
'.' IDENT {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::Class;
|
|
$$->attr = ATTR_CLASS;
|
|
$$->value = domString($2);
|
|
}
|
|
;
|
|
|
|
attrib_id:
|
|
IDENT maybe_space {
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
DOM::DocumentImpl *doc = p->document();
|
|
|
|
QString attr = qString($1);
|
|
if ( doc ) {
|
|
if (doc->isHTMLDocument())
|
|
attr = attr.lower();
|
|
const DOMString dattr(attr);
|
|
#ifdef APPLE_CHANGES
|
|
$$ = doc->attrId(0, dattr.implementation(), false);
|
|
#else
|
|
$$ = doc->getId(NodeImpl::AttributeId, dattr.implementation(), false, true);
|
|
#endif
|
|
} else {
|
|
$$ = khtml::getAttrID(attr.lower().ascii(), attr.length());
|
|
// this case should never happen - only when loading
|
|
// the default stylesheet - which must not contain unknown attributes
|
|
assert($$ != 0);
|
|
}
|
|
}
|
|
;
|
|
|
|
attrib:
|
|
'[' maybe_space attrib_id ']' {
|
|
$$ = new CSSSelector();
|
|
$$->attr = $3;
|
|
$$->match = CSSSelector::Set;
|
|
}
|
|
| '[' maybe_space attrib_id match maybe_space ident_or_string maybe_space ']' {
|
|
$$ = new CSSSelector();
|
|
$$->attr = $3;
|
|
$$->match = $4;
|
|
$$->value = domString($6);
|
|
}
|
|
| '[' maybe_space namespace_selector attrib_id ']' {
|
|
$$ = new CSSSelector();
|
|
$$->attr = $4;
|
|
$$->match = CSSSelector::Set;
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
if (p->styleElement && p->styleElement->isCSSStyleSheet())
|
|
static_cast<CSSStyleSheetImpl*>(p->styleElement)->determineNamespace($$->attr, domString($3));
|
|
}
|
|
| '[' maybe_space namespace_selector attrib_id match maybe_space ident_or_string maybe_space ']' {
|
|
$$ = new CSSSelector();
|
|
$$->attr = $4;
|
|
$$->match = (CSSSelector::Match)$5;
|
|
$$->value = domString($7);
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
if (p->styleElement && p->styleElement->isCSSStyleSheet())
|
|
static_cast<CSSStyleSheetImpl*>(p->styleElement)->determineNamespace($$->attr, domString($3));
|
|
}
|
|
;
|
|
|
|
match:
|
|
'=' {
|
|
$$ = CSSSelector::Exact;
|
|
}
|
|
| INCLUDES {
|
|
$$ = CSSSelector::List;
|
|
}
|
|
| DASHMATCH {
|
|
$$ = CSSSelector::Hyphen;
|
|
}
|
|
| BEGINSWITH {
|
|
$$ = CSSSelector::Begin;
|
|
}
|
|
| ENDSWITH {
|
|
$$ = CSSSelector::End;
|
|
}
|
|
| CONTAINS {
|
|
$$ = CSSSelector::Contain;
|
|
}
|
|
;
|
|
|
|
ident_or_string:
|
|
IDENT
|
|
| STRING
|
|
;
|
|
|
|
pseudo:
|
|
':' IDENT {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::PseudoClass;
|
|
$$->value = domString($2);
|
|
}
|
|
|
|
|
':' ':' IDENT {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::PseudoElement;
|
|
$$->value = domString($3);
|
|
}
|
|
// used by :nth-*
|
|
| ':' FUNCTION NTH ')' {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::PseudoClass;
|
|
$$->string_arg = domString($3);
|
|
$$->value = domString($2);
|
|
}
|
|
// used by :nth-*
|
|
| ':' FUNCTION INTEGER ')' {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::PseudoClass;
|
|
$$->string_arg = QString::number($3);
|
|
$$->value = domString($2);
|
|
}
|
|
// used by :nth-* and :lang
|
|
| ':' FUNCTION IDENT ')' {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::PseudoClass;
|
|
$$->string_arg = domString($3);
|
|
$$->value = domString($2);
|
|
}
|
|
// used by :contains
|
|
| ':' FUNCTION STRING ')' {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::PseudoClass;
|
|
$$->string_arg = domString($3);
|
|
$$->value = domString($2);
|
|
}
|
|
// used only by :not
|
|
| ':' NOTFUNCTION maybe_space simple_selector ')' {
|
|
$$ = new CSSSelector();
|
|
$$->match = CSSSelector::PseudoClass;
|
|
$$->simpleSelector = $4;
|
|
$$->value = domString($2);
|
|
}
|
|
;
|
|
|
|
declaration_block:
|
|
'{' maybe_space declaration '}' {
|
|
$$ = $3;
|
|
}
|
|
| '{' maybe_space error '}' {
|
|
$$ = false;
|
|
}
|
|
| '{' maybe_space declaration_list '}' {
|
|
$$ = $3;
|
|
}
|
|
| '{' maybe_space declaration_list declaration '}' {
|
|
$$ = $3;
|
|
if ( $4 )
|
|
$$ = $4;
|
|
}
|
|
| '{' maybe_space declaration_list error '}' {
|
|
$$ = $3;
|
|
}
|
|
;
|
|
|
|
declaration_list:
|
|
declaration ';' maybe_space {
|
|
$$ = $1;
|
|
}
|
|
|
|
|
error ';' maybe_space {
|
|
$$ = false;
|
|
}
|
|
| declaration_list declaration ';' maybe_space {
|
|
$$ = $1;
|
|
if ( $2 )
|
|
$$ = $2;
|
|
}
|
|
| declaration_list error ';' maybe_space {
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
declaration:
|
|
property ':' maybe_space expr prio {
|
|
$$ = false;
|
|
CSSParser *p = static_cast<CSSParser *>(parser);
|
|
if ( $1 && $4 ) {
|
|
p->valueList = $4;
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << " got property: " << $1 <<
|
|
($5?" important":"")<< endl;
|
|
#endif
|
|
bool ok = p->parseValue( $1, $5 );
|
|
if ( ok )
|
|
$$ = ok;
|
|
#ifdef CSS_DEBUG
|
|
else
|
|
kdDebug( 6080 ) << " couldn't parse value!" << endl;
|
|
#endif
|
|
} else {
|
|
delete $4;
|
|
}
|
|
delete p->valueList;
|
|
p->valueList = 0;
|
|
}
|
|
| error invalid_block {
|
|
$$ = false;
|
|
}
|
|
;
|
|
|
|
property:
|
|
IDENT maybe_space {
|
|
QString str = qString($1);
|
|
$$ = getPropertyID( str.lower().latin1(), str.length() );
|
|
}
|
|
;
|
|
|
|
prio:
|
|
IMPORTANT_SYM maybe_space { $$ = true; }
|
|
| /* empty */ { $$ = false; }
|
|
;
|
|
|
|
expr:
|
|
term {
|
|
$$ = new ValueList;
|
|
$$->addValue( $1 );
|
|
}
|
|
| expr operator term {
|
|
$$ = $1;
|
|
if ( $$ ) {
|
|
if ( $2 ) {
|
|
Value v;
|
|
v.id = 0;
|
|
v.unit = Value::Operator;
|
|
v.iValue = $2;
|
|
$$->addValue( v );
|
|
}
|
|
$$->addValue( $3 );
|
|
}
|
|
}
|
|
;
|
|
|
|
operator:
|
|
'/' maybe_space {
|
|
$$ = '/';
|
|
}
|
|
| ',' maybe_space {
|
|
$$ = ',';
|
|
}
|
|
| /* empty */ {
|
|
$$ = 0;
|
|
}
|
|
;
|
|
|
|
term:
|
|
unary_term { $$ = $1; }
|
|
| unary_operator unary_term { $$ = $2; $$.fValue *= $1; }
|
|
/* DIMEN is an unary_term, but since we store the string we must not modify fValue */
|
|
| DIMEN maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_DIMENSION; }
|
|
| STRING maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_STRING; }
|
|
| IDENT maybe_space {
|
|
QString str = qString( $1 );
|
|
$$.id = getValueID( str.lower().latin1(), str.length() );
|
|
$$.unit = CSSPrimitiveValue::CSS_IDENT;
|
|
$$.string = $1;
|
|
}
|
|
| URI maybe_space { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_URI; }
|
|
| UNICODERANGE maybe_space { $$.id = 0; $$.iValue = 0; $$.unit = CSSPrimitiveValue::CSS_UNKNOWN;/* ### */ }
|
|
| hexcolor { $$.id = 0; $$.string = $1; $$.unit = CSSPrimitiveValue::CSS_RGBCOLOR; }
|
|
/* ### according to the specs a function can have a unary_operator in front. I know no case where this makes sense */
|
|
| function {
|
|
$$ = $1;
|
|
}
|
|
;
|
|
|
|
unary_term:
|
|
INTEGER maybe_space { $$.id = 0; $$.isInt = true; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_NUMBER; }
|
|
| FLOAT maybe_space { $$.id = 0; $$.isInt = false; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_NUMBER; }
|
|
| PERCENTAGE maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_PERCENTAGE; }
|
|
| PXS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_PX; }
|
|
| CMS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_CM; }
|
|
| MMS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_MM; }
|
|
| INS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_IN; }
|
|
| PTS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_PT; }
|
|
| PCS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_PC; }
|
|
| DEGS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_DEG; }
|
|
| RADS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_RAD; }
|
|
| GRADS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_GRAD; }
|
|
| MSECS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_MS; }
|
|
| SECS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_S; }
|
|
| HERZ maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_HZ; }
|
|
| KHERZ maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_KHZ; }
|
|
| EMS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_EMS; }
|
|
| QEMS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = Value::Q_EMS; }
|
|
| EXS maybe_space { $$.id = 0; $$.fValue = $1; $$.unit = CSSPrimitiveValue::CSS_EXS; }
|
|
;
|
|
|
|
|
|
function:
|
|
FUNCTION maybe_space expr ')' maybe_space {
|
|
Function *f = new Function;
|
|
f->name = $1;
|
|
f->args = $3;
|
|
$$.id = 0;
|
|
$$.unit = Value::Function;
|
|
$$.function = f;
|
|
}
|
|
| FUNCTION maybe_space error {
|
|
Function *f = new Function;
|
|
f->name = $1;
|
|
f->args = 0;
|
|
$$.id = 0;
|
|
$$.unit = Value::Function;
|
|
$$.function = f;
|
|
}
|
|
|
|
;
|
|
/*
|
|
* There is a constraint on the color that it must
|
|
* have either 3 or 6 hex-digits (i.e., [0-9a-fA-F])
|
|
* after the "#"; e.g., "#000" is OK, but "#abcd" is not.
|
|
*/
|
|
hexcolor:
|
|
HASH maybe_space { $$ = $1; }
|
|
;
|
|
|
|
|
|
/* error handling rules */
|
|
|
|
invalid_at:
|
|
'@' error invalid_block {
|
|
$$ = 0;
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << "skipped invalid @-rule" << endl;
|
|
#endif
|
|
}
|
|
| '@' error ';' {
|
|
$$ = 0;
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << "skipped invalid @-rule" << endl;
|
|
#endif
|
|
}
|
|
;
|
|
|
|
invalid_rule:
|
|
error invalid_block {
|
|
$$ = 0;
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << "skipped invalid rule" << endl;
|
|
#endif
|
|
}
|
|
/*
|
|
Seems like the two rules below are trying too much and violating
|
|
http://www.hixie.ch/tests/evil/mixed/csserrorhandling.html
|
|
|
|
| error ';' {
|
|
$$ = 0;
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << "skipped invalid rule" << endl;
|
|
#endif
|
|
}
|
|
| error '}' {
|
|
$$ = 0;
|
|
#ifdef CSS_DEBUG
|
|
kdDebug( 6080 ) << "skipped invalid rule" << endl;
|
|
#endif
|
|
}
|
|
*/
|
|
;
|
|
|
|
invalid_block:
|
|
'{' error invalid_block_list error '}'
|
|
| '{' error '}'
|
|
;
|
|
|
|
invalid_block_list:
|
|
invalid_block
|
|
| invalid_block_list error invalid_block
|
|
;
|
|
|
|
%%
|
|
|