CSSVariableValue.cpp [plain text]
#include "config.h"
#include "CSSVariableValue.h"
#include "CSSCustomPropertyValue.h"
#include "CSSParserValues.h"
#include "CSSValueList.h"
#include "CSSVariableDependentValue.h"
#include <wtf/text/StringBuilder.h>
namespace WebCore {
CSSVariableValue::CSSVariableValue(CSSParserVariable* variable)
: CSSValue(VariableClass)
, m_name(variable->name)
{
if (variable->args)
m_fallbackArguments = CSSValueList::createFromParserValueList(*variable->args);
}
CSSVariableValue::CSSVariableValue(const String& name, PassRefPtr<CSSValueList> fallbackArgs)
: CSSValue(VariableClass)
, m_name(name)
, m_fallbackArguments(fallbackArgs)
{
}
String CSSVariableValue::customCSSText() const
{
StringBuilder result;
result.append("var(");
result.append(m_name);
if (m_fallbackArguments) {
result.append(", ");
result.append(m_fallbackArguments->cssText());
}
result.append(")");
return result.toString();
}
bool CSSVariableValue::equals(const CSSVariableValue& other) const
{
return m_name == other.m_name && compareCSSValuePtr(m_fallbackArguments, other.m_fallbackArguments);
}
bool CSSVariableValue::buildParserValueListSubstitutingVariables(CSSParserValueList* resultList, const CustomPropertyValueMap& customProperties) const
{
if (RefPtr<CSSValue> value = customProperties.get(m_name)) {
if (value->isValueList())
return downcast<CSSValueList>(*value).buildParserValueListSubstitutingVariables(resultList, customProperties);
if (value->isVariableDependentValue())
return downcast<CSSVariableDependentValue>(*value).valueList().buildParserValueListSubstitutingVariables(resultList, customProperties);
}
if (!fallbackArguments() || !fallbackArguments()->length())
return false;
return fallbackArguments()->buildParserValueListSubstitutingVariables(resultList, customProperties);
}
}