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/*
* Copyright (C) 2024 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.
*/
#include "config.h"
#include "CSSCalcSymbolNode.h"
#include "CSSCalcCategoryMapping.h"
#include "CSSCalcSymbolTable.h"
#include "CSSPrimitiveValue.h"
#include "CSSValueKeywords.h"
#include "CalcExpressionNode.h"
#include <wtf/text/TextStream.h>
namespace WebCore {
Ref<CSSCalcSymbolNode> CSSCalcSymbolNode::create(CSSValueID symbol, CSSUnitType unitType)
{
return adoptRef(*new CSSCalcSymbolNode(symbol, unitType));
}
CSSCalcSymbolNode::CSSCalcSymbolNode(CSSValueID symbol, CSSUnitType unitType)
: CSSCalcExpressionNode(calcUnitCategory(unitType))
, m_symbol(symbol)
, m_unitType(unitType)
{
}
String CSSCalcSymbolNode::customCSSText() const
{
return nameLiteralForSerialization(m_symbol);
}
bool CSSCalcSymbolNode::isResolvable() const
{
return false;
}
bool CSSCalcSymbolNode::isZero() const
{
return false;
}
std::unique_ptr<CalcExpressionNode> CSSCalcSymbolNode::createCalcExpression(const CSSToLengthConversionData&) const
{
// CSSCalcSymbolNode does not support conversion to CalcExpression and there are currently
// no specifications that require it.
ASSERT_NOT_REACHED();
return nullptr;
}
double CSSCalcSymbolNode::doubleValue(CSSUnitType, const CSSCalcSymbolTable& symbolTable) const
{
// The symbol table should only lack the value in the case of programmer error.
auto result = symbolTable.get(m_symbol);
ASSERT(result);
return result->value;
}
double CSSCalcSymbolNode::computeLengthPx(const CSSToLengthConversionData&) const
{
// CSSCalcSymbolNode does not support length computation and there are currently
// no specifications that require it.
ASSERT_NOT_REACHED();
return 0;
}
bool CSSCalcSymbolNode::equals(const CSSCalcExpressionNode& other) const
{
if (type() != other.type())
return false;
return m_symbol == static_cast<const CSSCalcSymbolNode&>(other).m_symbol
&& m_unitType == static_cast<const CSSCalcSymbolNode&>(other).m_unitType;
}
CSSCalcExpressionNode::Type CSSCalcSymbolNode::type() const
{
return Type::CssCalcSymbol;
}
CSSUnitType CSSCalcSymbolNode::primitiveType() const
{
return m_unitType;
}
void CSSCalcSymbolNode::collectComputedStyleDependencies(ComputedStyleDependencies&) const
{
}
void CSSCalcSymbolNode::dump(TextStream& ts) const
{
ts << "symbol['" << nameLiteral(m_symbol) << "'] (category: " << category() << ", type: " << primitiveType() << ")";
}
} // namespace WebCore
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