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/*
* Copyright (C) 2011 Google Inc. All rights reserved.
* Copyright (C) 2014 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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 "CalculationValue.h"
#include "CalculationTree+Copy.h"
#include "CalculationTree+Evaluation.h"
#include <cmath>
#include <wtf/text/TextStream.h>
namespace WebCore {
Ref<CalculationValue> CalculationValue::create(Calculation::Category category, Calculation::Range range, Calculation::Tree&& tree)
{
return adoptRef(*new CalculationValue(category, range, WTFMove(tree)));
}
CalculationValue::CalculationValue(Calculation::Category category, Calculation::Range range, Calculation::Tree&& tree)
: m_category(category)
, m_range(range)
, m_tree(WTFMove(tree))
{
}
CalculationValue::~CalculationValue() = default;
double CalculationValue::evaluate(double percentResolutionLength) const
{
auto result = Calculation::evaluate(m_tree, percentResolutionLength);
if (std::isnan(result))
return 0;
return std::clamp(result, m_range.min, m_range.max);
}
Calculation::Tree CalculationValue::copyTree() const
{
return Calculation::copy(m_tree);
}
Calculation::Child CalculationValue::copyRoot() const
{
auto tree = copyTree();
return { WTFMove(tree.root) };
}
bool CalculationValue::operator==(const CalculationValue& other) const
{
return m_tree == other.m_tree;
}
TextStream& operator<<(TextStream& ts, const CalculationValue& value)
{
return ts << "calc(" << value.tree() << ")";
}
} // namespace WebCore
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