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/*
* Copyright (C) 2016-2022 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. ``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 "DeprecatedCSSOMValue.h"
#include "DeprecatedCSSOMPrimitiveValue.h"
#include "DeprecatedCSSOMValueList.h"
namespace WebCore {
void DeprecatedCSSOMValue::operator delete(DeprecatedCSSOMValue* value, std::destroying_delete_t)
{
auto destroyAndFree = [&](auto& value) {
std::destroy_at(&value);
std::decay_t<decltype(value)>::freeAfterDestruction(&value);
};
switch (value->classType()) {
case ClassType::Complex:
destroyAndFree(uncheckedDowncast<DeprecatedCSSOMComplexValue>(*value));
break;
case ClassType::Primitive:
destroyAndFree(uncheckedDowncast<DeprecatedCSSOMPrimitiveValue>(*value));
break;
case ClassType::List:
destroyAndFree(uncheckedDowncast<DeprecatedCSSOMValueList>(*value));
break;
}
}
unsigned short DeprecatedCSSOMValue::cssValueType() const
{
switch (classType()) {
case ClassType::Complex:
return uncheckedDowncast<DeprecatedCSSOMComplexValue>(*this).cssValueType();
case ClassType::Primitive:
return uncheckedDowncast<DeprecatedCSSOMPrimitiveValue>(*this).cssValueType();
case ClassType::List:
return CSS_VALUE_LIST;
}
ASSERT_NOT_REACHED();
return CSS_CUSTOM;
}
String DeprecatedCSSOMValue::cssText() const
{
switch (classType()) {
case ClassType::Complex:
return uncheckedDowncast<DeprecatedCSSOMComplexValue>(*this).cssText();
case ClassType::Primitive:
return uncheckedDowncast<DeprecatedCSSOMPrimitiveValue>(*this).cssText();
case ClassType::List:
return uncheckedDowncast<DeprecatedCSSOMValueList>(*this).cssText();
}
ASSERT_NOT_REACHED();
return emptyString();
}
unsigned short DeprecatedCSSOMComplexValue::cssValueType() const
{
// These values are exposed in the DOM, but constants for them are not.
constexpr unsigned short CSS_INITIAL = 4;
constexpr unsigned short CSS_UNSET = 5;
constexpr unsigned short CSS_REVERT = 6;
switch (valueID(m_value.get())) {
case CSSValueInherit:
return CSS_INHERIT;
case CSSValueInitial:
return CSS_INITIAL;
case CSSValueUnset:
return CSS_UNSET;
case CSSValueRevert:
return CSS_REVERT;
default:
return CSS_CUSTOM;
}
}
}
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