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/*
* Copyright (C) 2021 Tyler Wilcock <twilco.o@protonmail.com>.
*
* 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. ``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
* 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.
*/
#include "config.h"
#include "CSSValuePair.h"
#include <wtf/Hasher.h>
#include <wtf/text/MakeString.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
CSSValuePair::CSSValuePair(ValueSeparator separator, Ref<CSSValue> first, Ref<CSSValue> second, IdenticalValueSerialization serialization)
: CSSValue(ClassType::ValuePair)
, m_coalesceIdenticalValues(serialization != IdenticalValueSerialization::DoNotCoalesce)
, m_first(WTFMove(first))
, m_second(WTFMove(second))
{
m_valueSeparator = separator;
}
Ref<CSSValuePair> CSSValuePair::create(Ref<CSSValue> first, Ref<CSSValue> second)
{
return adoptRef(*new CSSValuePair(SpaceSeparator, WTFMove(first), WTFMove(second), IdenticalValueSerialization::Coalesce));
}
Ref<CSSValuePair> CSSValuePair::createSlashSeparated(Ref<CSSValue> first, Ref<CSSValue> second)
{
return adoptRef(*new CSSValuePair(SlashSeparator, WTFMove(first), WTFMove(second), IdenticalValueSerialization::DoNotCoalesce));
}
Ref<CSSValuePair> CSSValuePair::createNoncoalescing(Ref<CSSValue> first, Ref<CSSValue> second)
{
return adoptRef(*new CSSValuePair(SpaceSeparator, WTFMove(first), WTFMove(second), IdenticalValueSerialization::DoNotCoalesce));
}
bool CSSValuePair::canBeCoalesced() const
{
return m_coalesceIdenticalValues && m_first->equals(m_second);
}
String CSSValuePair::customCSSText(const CSS::SerializationContext& context) const
{
auto first = m_first->cssText(context);
auto second = m_second->cssText(context);
if (m_coalesceIdenticalValues && first == second)
return first;
return makeString(first, separatorCSSText(), second);
}
bool CSSValuePair::equals(const CSSValuePair& other) const
{
return m_valueSeparator == other.m_valueSeparator
&& m_coalesceIdenticalValues == other.m_coalesceIdenticalValues
&& m_first->equals(other.m_first)
&& m_second->equals(other.m_second);
}
bool CSSValuePair::addDerivedHash(Hasher& hasher) const
{
add(hasher, m_valueSeparator, m_coalesceIdenticalValues);
return m_first->addHash(hasher) && m_second->addHash(hasher);
}
} // namespace WebCore
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