chromium/third_party/blink/renderer/core/css/properties/css_bitset.h

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PROPERTIES_CSS_BITSET_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PROPERTIES_CSS_BITSET_H_

#include <algorithm>
#include <array>
#include <bit>
#include <cstring>
#include <initializer_list>

#include "base/check_op.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/css_property_names.h"

namespace blink {

// A bitset designed for CSSPropertyIDs.
//
// It's different from std::bitset, in that it provides optimized traversal
// for situations where only a few bits are set (which is the common case for
// e.g. CSS declarations which apply to an element).
//
// The bitset can store a configurable amount of bits for testing purposes,
// (though not more than kNumCSSPropertyIDs).
template <size_t kBits>
class CORE_EXPORT CSSBitsetBase { … };

CSSBitset;

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_CSS_PROPERTIES_CSS_BITSET_H_