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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/ReactCommon/react/renderer/core

Просмотр файла: LayoutConstraints.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#pragma once

#include <limits>

#include <react/renderer/core/LayoutPrimitives.h>
#include <react/renderer/graphics/Size.h>
#include <react/utils/hash_combine.h>

namespace facebook::react {

/*
 * Unified layout constraints for measuring.
 */
struct LayoutConstraints {
  Size minimumSize{0, 0};
  Size maximumSize{
      std::numeric_limits<Float>::infinity(),
      std::numeric_limits<Float>::infinity()};
  LayoutDirection layoutDirection{LayoutDirection::Undefined};

  /*
   * Clamps the provided `Size` between the `minimumSize` and `maximumSize`
   * bounds of this `LayoutConstraints`.
   */
  Size clamp(const Size& size) const;
};

inline bool operator==(
    const LayoutConstraints& lhs,
    const LayoutConstraints& rhs) {
  return std::tie(lhs.minimumSize, lhs.maximumSize, lhs.layoutDirection) ==
      std::tie(rhs.minimumSize, rhs.maximumSize, rhs.layoutDirection);
}

inline bool operator!=(
    const LayoutConstraints& lhs,
    const LayoutConstraints& rhs) {
  return !(lhs == rhs);
}

} // namespace facebook::react

namespace std {
template <>
struct hash<facebook::react::LayoutConstraints> {
  size_t operator()(
      const facebook::react::LayoutConstraints& constraints) const {
    return facebook::react::hash_combine(
        constraints.minimumSize,
        constraints.maximumSize,
        constraints.layoutDirection);
  }
};
} // namespace std

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