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/*
* Copyright (C) 2022 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/HashMap.h>
#include <wtf/Hasher.h>
#include <wtf/text/StringHash.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
using FontFeatureValuesTag = std::pair<String, Vector<unsigned>>;
enum class FontFeatureValuesType {
Styleset,
Stylistic,
CharacterVariant,
Swash,
Ornaments,
Annotation
};
class FontFeatureValues : public RefCounted<FontFeatureValues> {
public:
using Tags = HashMap<String, Vector<unsigned>>;
static Ref<FontFeatureValues> create() { return adoptRef(*new FontFeatureValues()); }
virtual ~FontFeatureValues() = default;
bool isEmpty() const
{
return m_styleset.isEmpty()
&& m_stylistic.isEmpty()
&& m_characterVariant.isEmpty()
&& m_swash.isEmpty()
&& m_ornaments.isEmpty()
&& m_annotation.isEmpty();
}
bool operator==(const FontFeatureValues& other) const
{
return m_styleset == other.styleset()
&& m_stylistic == other.stylistic()
&& m_characterVariant == other.characterVariant()
&& m_swash == other.swash()
&& m_ornaments == other.ornaments()
&& m_annotation == other.annotation();
}
const Tags& styleset() const
{
return m_styleset;
}
Tags& styleset()
{
return m_styleset;
}
const Tags& stylistic() const
{
return m_stylistic;
}
Tags& stylistic()
{
return m_stylistic;
}
const Tags& characterVariant() const
{
return m_characterVariant;
}
Tags& characterVariant()
{
return m_characterVariant;
}
const Tags& swash() const
{
return m_swash;
}
Tags& swash()
{
return m_swash;
}
const Tags& ornaments() const
{
return m_ornaments;
}
Tags& ornaments()
{
return m_ornaments;
}
const Tags& annotation() const
{
return m_annotation;
}
Tags& annotation()
{
return m_annotation;
}
friend void add(Hasher&, const FontFeatureValues&);
friend WTF::TextStream& operator<<(WTF::TextStream&, const FontFeatureValues&);
void updateOrInsert(const FontFeatureValues&);
void updateOrInsertForType(FontFeatureValuesType, const Vector<FontFeatureValuesTag>&);
private:
FontFeatureValues() = default;
Tags m_styleset;
Tags m_stylistic;
Tags m_characterVariant;
Tags m_swash;
Tags m_ornaments;
Tags m_annotation;
};
} // namespace WebCore
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