#ifndef CSSValuePool_h
#define CSSValuePool_h
#include "CSSInheritedValue.h"
#include "CSSInitialValue.h"
#include "CSSPrimitiveValue.h"
#include "CSSValueKeywords.h"
#include <wtf/text/AtomicStringHash.h>
#include <wtf/HashMap.h>
#include <wtf/RefPtr.h>
namespace WebCore {
class CSSValueList;
class CSSValuePool {
WTF_MAKE_FAST_ALLOCATED;
public:
PassRefPtr<CSSValueList> createFontFaceValue(const AtomicString&);
PassRefPtr<CSSPrimitiveValue> createFontFamilyValue(const String&);
PassRefPtr<CSSInheritedValue> createInheritedValue() { return m_inheritedValue; }
PassRefPtr<CSSInitialValue> createImplicitInitialValue() { return m_implicitInitialValue; }
PassRefPtr<CSSInitialValue> createExplicitInitialValue() { return m_explicitInitialValue; }
PassRefPtr<CSSPrimitiveValue> createIdentifierValue(int identifier);
PassRefPtr<CSSPrimitiveValue> createColorValue(unsigned rgbValue);
PassRefPtr<CSSPrimitiveValue> createValue(double value, CSSPrimitiveValue::UnitTypes);
PassRefPtr<CSSPrimitiveValue> createValue(const String& value, CSSPrimitiveValue::UnitTypes type) { return CSSPrimitiveValue::create(value, type); }
template<typename T> static PassRefPtr<CSSPrimitiveValue> createValue(T value) { return CSSPrimitiveValue::create(value); }
void drain();
private:
CSSValuePool();
RefPtr<CSSInheritedValue> m_inheritedValue;
RefPtr<CSSInitialValue> m_implicitInitialValue;
RefPtr<CSSInitialValue> m_explicitInitialValue;
RefPtr<CSSPrimitiveValue> m_identifierValueCache[numCSSValueKeywords];
typedef HashMap<unsigned, RefPtr<CSSPrimitiveValue> > ColorValueCache;
ColorValueCache m_colorValueCache;
RefPtr<CSSPrimitiveValue> m_colorTransparent;
RefPtr<CSSPrimitiveValue> m_colorWhite;
RefPtr<CSSPrimitiveValue> m_colorBlack;
static const int maximumCacheableIntegerValue = 255;
RefPtr<CSSPrimitiveValue> m_pixelValueCache[maximumCacheableIntegerValue + 1];
RefPtr<CSSPrimitiveValue> m_percentValueCache[maximumCacheableIntegerValue + 1];
RefPtr<CSSPrimitiveValue> m_numberValueCache[maximumCacheableIntegerValue + 1];
typedef HashMap<AtomicString, RefPtr<CSSValueList> > FontFaceValueCache;
FontFaceValueCache m_fontFaceValueCache;
typedef HashMap<String, RefPtr<CSSPrimitiveValue> > FontFamilyValueCache;
FontFamilyValueCache m_fontFamilyValueCache;
friend CSSValuePool& cssValuePool();
};
CSSValuePool& cssValuePool();
}
#endif