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/*
* Copyright (C) 2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2008, 2009, 2010 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef CSSParserValues_h
#define CSSParserValues_h
#include "CSSSelector.h"
#include <wtf/text/AtomicString.h>
namespace WebCore {
class CSSValue;
class QualifiedName;
struct CSSParserString {
UChar* characters;
int length;
void lower();
operator String() const { return String(characters, length); }
operator AtomicString() const { return AtomicString(characters, length); }
};
struct CSSParserFunction;
struct CSSParserValue {
int id;
bool isInt;
union {
double fValue;
int iValue;
CSSParserString string;
CSSParserFunction* function;
};
enum {
Operator = 0x100000,
Function = 0x100001,
Q_EMS = 0x100002
};
int unit;
PassRefPtr<CSSValue> createCSSValue();
};
class CSSParserValueList {
WTF_MAKE_FAST_ALLOCATED;
public:
CSSParserValueList()
: m_current(0)
{
}
~CSSParserValueList();
void addValue(const CSSParserValue&);
void insertValueAt(unsigned, const CSSParserValue&);
void deleteValueAt(unsigned);
void extend(CSSParserValueList&);
unsigned size() const { return m_values.size(); }
CSSParserValue* current() { return m_current < m_values.size() ? &m_values[m_current] : 0; }
CSSParserValue* next() { ++m_current; return current(); }
CSSParserValue* valueAt(unsigned i) { return i < m_values.size() ? &m_values[i] : 0; }
void clear() { m_values.clear(); }
private:
unsigned m_current;
Vector<CSSParserValue, 4> m_values;
};
struct CSSParserFunction {
WTF_MAKE_FAST_ALLOCATED;
public:
CSSParserString name;
OwnPtr<CSSParserValueList> args;
};
class CSSParserSelector {
WTF_MAKE_FAST_ALLOCATED;
public:
CSSParserSelector();
~CSSParserSelector();
PassOwnPtr<CSSSelector> releaseSelector() { return m_selector.release(); }
void setTag(const QualifiedName& value) { m_selector->setTag(value); }
void setValue(const AtomicString& value) { m_selector->setValue(value); }
void setAttribute(const QualifiedName& value) { m_selector->setAttribute(value); }
void setArgument(const AtomicString& value) { m_selector->setArgument(value); }
void setMatch(CSSSelector::Match value) { m_selector->m_match = value; }
void setRelation(CSSSelector::Relation value) { m_selector->m_relation = value; }
void setForPage() { m_selector->setForPage(); }
void adoptSelectorVector(Vector<OwnPtr<CSSParserSelector> >& selectorVector);
CSSSelector::PseudoType pseudoType() const { return m_selector->pseudoType(); }
bool isUnknownPseudoElement() const { return m_selector->isUnknownPseudoElement(); }
bool isSimple() const { return !m_tagHistory && m_selector->isSimple(); }
bool hasShadowDescendant() const;
CSSParserSelector* tagHistory() const { return m_tagHistory.get(); }
void setTagHistory(PassOwnPtr<CSSParserSelector> selector) { m_tagHistory = selector; }
void insertTagHistory(CSSSelector::Relation before, PassOwnPtr<CSSParserSelector>, CSSSelector::Relation after);
void appendTagHistory(CSSSelector::Relation, PassOwnPtr<CSSParserSelector>);
private:
OwnPtr<CSSSelector> m_selector;
OwnPtr<CSSParserSelector> m_tagHistory;
};
inline bool CSSParserSelector::hasShadowDescendant() const
{
return m_selector->relation() == CSSSelector::ShadowDescendant;
}
}
#endif
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