Source/WebCore/style/CustomFunctionRegistry.cpp

/*
 * Copyright (C) 2026 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 1.  Redistributions of source code must retain the above copyright
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 *
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#include "config.h"
#include "CustomFunctionRegistry.h"

#include "StylePropertiesInlines.h"

namespace WebCore {
namespace Style {

WTF_MAKE_TZONE_ALLOCATED_IMPL(CustomFunction);
WTF_MAKE_TZONE_ALLOCATED_IMPL(CustomFunctionRegistry);

CustomFunction::CustomFunction(const AtomString& name, const Vector<StyleRuleFunction::Parameter>& parameters, const CSSCustomPropertySyntax& returnType, DeclarationsBlocks&& declarationBlocks)
    : name(name)
    , parameters(parameters)
    , returnType(returnType)
    , declarationBlocks(WTF::move(declarationBlocks))
{
}

void CustomFunctionRegistry::registerFunction(const StyleRuleFunction& function, CustomFunction::DeclarationsBlocks&& declarationBlocks)
{
    if (declarationBlocks.isEmpty())
        return;

    auto customFunction = makeUniqueRef<CustomFunction>(function.name(), function.parameters(), function.returnType(), WTF::move(declarationBlocks));

    // Last function with the same name wins.
    m_functions.set(function.name(), WTF::move(customFunction));
}

const CustomFunction* CustomFunctionRegistry::functionForName(const AtomString& name) const
{
    return m_functions.get(name);
}

}
}