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/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
* Copyright (C) 2011 Research In Motion Limited. All rights reserved.
* Copyright (C) 2013 Intel Corporation. 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 StylePropertySerializer_h
#define StylePropertySerializer_h
#include "core/css/CSSValueList.h"
#include "core/css/StylePropertySet.h"
#include "wtf/BitArray.h"
namespace blink {
class StylePropertySet;
class StylePropertyShorthand;
class StylePropertySerializer {
public:
explicit StylePropertySerializer(const StylePropertySet&);
String asText() const;
String getPropertyValue(CSSPropertyID) const;
private:
String getCommonValue(const StylePropertyShorthand&) const;
enum CommonValueMode { OmitUncommonValues, ReturnNullOnUncommonValues };
String borderPropertyValue(CommonValueMode) const;
String getLayeredShorthandValue(const StylePropertyShorthand&, bool checkShorthandAvailable = false) const;
String get4Values(const StylePropertyShorthand&) const;
String borderSpacingValue(const StylePropertyShorthand&) const;
String getShorthandValue(const StylePropertyShorthand&) const;
String fontValue() const;
void appendFontLonghandValueIfExplicit(CSSPropertyID, StringBuilder& result, String& value) const;
String backgroundRepeatPropertyValue() const;
String getPropertyText(CSSPropertyID, const String& value, bool isImportant, bool isNotFirstDecl) const;
bool isPropertyShorthandAvailable(const StylePropertyShorthand&) const;
bool shorthandHasOnlyInitialOrInheritedValue(const StylePropertyShorthand&) const;
void appendBackgroundPropertyAsText(StringBuilder& result, unsigned& numDecls) const;
// Only StylePropertySerializer uses the following two classes.
class PropertyValueForSerializer {
public:
explicit PropertyValueForSerializer(StylePropertySet::PropertyReference property)
: m_value(property.value())
, m_id(property.id())
, m_isImportant(property.isImportant())
, m_isImplicit(property.isImplicit())
, m_isInherited(property.isInherited()) { }
PropertyValueForSerializer(CSSPropertyID id, const CSSValue* value, bool isImportant)
: m_value(value)
, m_id(id)
, m_isImportant(isImportant)
, m_isImplicit(value->isImplicitInitialValue())
, m_isInherited(value->isInheritedValue()) { }
CSSPropertyID id() const { return m_id; }
const CSSValue* value() const { return m_value; }
bool isImportant() const { return m_isImportant; }
bool isImplicit() const { return m_isImplicit; }
bool isInherited() const { return m_isInherited; }
bool isValid() const { return m_value; }
private:
const CSSValue* m_value;
CSSPropertyID m_id;
bool m_isImportant;
bool m_isImplicit;
bool m_isInherited;
};
class StylePropertySetForSerializer {
public:
explicit StylePropertySetForSerializer(const StylePropertySet&);
unsigned propertyCount() const;
PropertyValueForSerializer propertyAt(unsigned index) const;
bool shouldProcessPropertyAt(unsigned index) const;
int findPropertyIndex(CSSPropertyID) const;
const CSSValue* getPropertyCSSValue(CSSPropertyID) const;
String getPropertyValue(CSSPropertyID) const;
bool isPropertyImplicit(CSSPropertyID) const;
bool propertyIsImportant(CSSPropertyID) const;
private:
bool hasExpandedAllProperty() const { return hasAllProperty() && m_needToExpandAll; }
bool hasAllProperty() const { return m_allIndex != -1; }
const StylePropertySet& m_propertySet;
int m_allIndex;
BitArray<numCSSProperties> m_longhandPropertyUsed;
bool m_needToExpandAll;
};
const StylePropertySetForSerializer m_propertySet;
};
} // namespace blink
#endif
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