#ifndef CSSSelector_h
#define CSSSelector_h
#include "QualifiedName.h"
namespace WebCore {
class CSSSelector {
public:
CSSSelector()
: m_tagHistory(0)
, m_simpleSelector(0)
, m_nextSelector(0)
, m_argument(nullAtom)
, m_attr(anyQName())
, m_tag(anyQName())
, m_relation(Descendant)
, m_match(None)
, m_pseudoType(PseudoNotParsed)
{
}
CSSSelector(const QualifiedName& qName)
: m_tagHistory(0)
, m_simpleSelector(0)
, m_nextSelector(0)
, m_argument(nullAtom)
, m_attr(anyQName())
, m_tag(qName)
, m_relation(Descendant)
, m_match(None)
, m_pseudoType(PseudoNotParsed)
{
}
~CSSSelector()
{
delete m_tagHistory;
delete m_simpleSelector;
delete m_nextSelector;
}
void append(CSSSelector* n)
{
CSSSelector* end = this;
while (end->m_nextSelector)
end = end->m_nextSelector;
end->m_nextSelector = n;
}
CSSSelector* next() { return m_nextSelector; }
void print();
String selectorText() const;
bool operator==(const CSSSelector&);
unsigned specificity();
enum Match {
None = 0,
Id,
Class,
Exact,
Set,
List,
Hyphen,
PseudoClass,
PseudoElement,
Contain, Begin, End };
enum Relation {
Descendant = 0,
Child,
DirectAdjacent,
IndirectAdjacent,
SubSelector
};
enum PseudoType {
PseudoNotParsed = 0,
PseudoUnknown,
PseudoEmpty,
PseudoFirstChild,
PseudoFirstOfType,
PseudoLastChild,
PseudoLastOfType,
PseudoOnlyChild,
PseudoOnlyOfType,
PseudoFirstLine,
PseudoFirstLetter,
PseudoNthChild,
PseudoNthOfType,
PseudoNthLastChild,
PseudoNthLastOfType,
PseudoLink,
PseudoVisited,
PseudoAnyLink,
PseudoAutofill,
PseudoHover,
PseudoDrag,
PseudoFocus,
PseudoActive,
PseudoChecked,
PseudoEnabled,
PseudoDisabled,
PseudoIndeterminate,
PseudoTarget,
PseudoBefore,
PseudoAfter,
PseudoLang,
PseudoNot,
PseudoRoot,
PseudoSelection,
PseudoFileUploadButton,
PseudoSliderThumb,
PseudoSearchCancelButton,
PseudoSearchDecoration,
PseudoSearchResultsDecoration,
PseudoSearchResultsButton,
PseudoMediaControlsPanel,
PseudoMediaControlsMuteButton,
PseudoMediaControlsPlayButton,
PseudoMediaControlsTimeDisplay,
PseudoMediaControlsTimeline,
PseudoMediaControlsSeekBackButton,
PseudoMediaControlsSeekForwardButton,
PseudoMediaControlsFullscreenButton
};
PseudoType pseudoType() const
{
if (m_pseudoType == PseudoNotParsed)
extractPseudoType();
return static_cast<PseudoType>(m_pseudoType);
}
bool hasTag() const { return m_tag != anyQName(); }
bool hasAttribute() const { return m_attr != anyQName(); }
Relation relation() const { return static_cast<Relation>(m_relation); }
mutable AtomicString m_value;
CSSSelector* m_tagHistory;
CSSSelector* m_simpleSelector; CSSSelector* m_nextSelector; AtomicString m_argument;
QualifiedName m_attr;
QualifiedName m_tag;
unsigned m_relation : 3; mutable unsigned m_match : 4; mutable unsigned m_pseudoType : 8;
private:
void extractPseudoType() const;
};
}
#endif // CSSSelector_h