1/* 2 * Copyright (C) 2003 Lars Knoll (knoll@kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21#ifndef CSSParserValues_h 22#define CSSParserValues_h 23 24#include "CSSSelector.h" 25#include <wtf/text/AtomicString.h> 26 27namespace WebCore { 28 29class CSSValue; 30class QualifiedName; 31 32struct CSSParserString { 33 UChar* characters; 34 int length; 35 36 void lower(); 37 38 operator String() const { return String(characters, length); } 39 operator AtomicString() const { return AtomicString(characters, length); } 40}; 41 42struct CSSParserFunction; 43 44struct CSSParserValue { 45 int id; 46 bool isInt; 47 union { 48 double fValue; 49 int iValue; 50 CSSParserString string; 51 CSSParserFunction* function; 52 }; 53 enum { 54 Operator = 0x100000, 55 Function = 0x100001, 56 Q_EMS = 0x100002 57 }; 58 int unit; 59 60 61 PassRefPtr<CSSValue> createCSSValue(); 62}; 63 64class CSSParserValueList { 65 WTF_MAKE_FAST_ALLOCATED; 66public: 67 CSSParserValueList() 68 : m_current(0) 69 { 70 } 71 ~CSSParserValueList(); 72 73 void addValue(const CSSParserValue&); 74 void insertValueAt(unsigned, const CSSParserValue&); 75 void deleteValueAt(unsigned); 76 void extend(CSSParserValueList&); 77 78 unsigned size() const { return m_values.size(); } 79 CSSParserValue* current() { return m_current < m_values.size() ? &m_values[m_current] : 0; } 80 CSSParserValue* next() { ++m_current; return current(); } 81 82 CSSParserValue* valueAt(unsigned i) { return i < m_values.size() ? &m_values[i] : 0; } 83 84 void clear() { m_values.clear(); } 85 86private: 87 unsigned m_current; 88 Vector<CSSParserValue, 4> m_values; 89}; 90 91struct CSSParserFunction { 92 WTF_MAKE_FAST_ALLOCATED; 93public: 94 CSSParserString name; 95 OwnPtr<CSSParserValueList> args; 96}; 97 98class CSSParserSelector { 99 WTF_MAKE_FAST_ALLOCATED; 100public: 101 CSSParserSelector(); 102 ~CSSParserSelector(); 103 104 PassOwnPtr<CSSSelector> releaseSelector() { return m_selector.release(); } 105 106 void setTag(const QualifiedName& value) { m_selector->setTag(value); } 107 void setValue(const AtomicString& value) { m_selector->setValue(value); } 108 void setAttribute(const QualifiedName& value) { m_selector->setAttribute(value); } 109 void setArgument(const AtomicString& value) { m_selector->setArgument(value); } 110 void setMatch(CSSSelector::Match value) { m_selector->m_match = value; } 111 void setRelation(CSSSelector::Relation value) { m_selector->m_relation = value; } 112 void setForPage() { m_selector->setForPage(); } 113 114 void adoptSelectorVector(Vector<OwnPtr<CSSParserSelector> >& selectorVector); 115 116 CSSSelector::PseudoType pseudoType() const { return m_selector->pseudoType(); } 117 bool isUnknownPseudoElement() const { return m_selector->isUnknownPseudoElement(); } 118 bool isSimple() const { return !m_tagHistory && m_selector->isSimple(); } 119 120 CSSParserSelector* tagHistory() const { return m_tagHistory.get(); } 121 void setTagHistory(PassOwnPtr<CSSParserSelector> selector) { m_tagHistory = selector; } 122 123private: 124 OwnPtr<CSSSelector> m_selector; 125 OwnPtr<CSSParserSelector> m_tagHistory; 126}; 127 128} 129 130#endif 131