text: /**
   * Copyright (c) 2015-present, Facebook, Inc.
   *
   * 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 <folly/dynamic.h>
  #include <fabric/graphics/Color.h>
  #include <fabric/graphics/Geometry.h>
  
  namespace facebook {
  namespace react {
  
  #pragma mark - Color
  
  inline void fromDynamic(const folly::dynamic &value, SharedColor &result) {
    float red;
    float green;
    float blue;
    float alpha;
  
    if (value.isNumber()) {
      auto argb = value.asInt();
      float ratio = 256;
      alpha = ((argb >> 24) & 0xFF) / ratio;
      red = ((argb >> 16) & 0xFF) / ratio;
      green = ((argb >> 8) & 0xFF) / ratio;
      blue = (argb & 0xFF) / ratio;
    } else if (value.isArray()) {
      auto size = value.size();
      assert(size == 3 || size == 4);
      red = value[0].asDouble();
      green = value[1].asDouble();
      blue = value[2].asDouble();
      alpha = size == 4 ? value[3].asDouble() : 1.0;
    } else {
      abort();
    }
  
    result = colorFromComponents({red, green, blue, alpha});
  }
  
  inline std::string toString(const SharedColor &value) {
    ColorComponents components = colorComponentsFromColor(value);
    const float ratio = 256;
    return "rgba(" +
      folly::to<std::string>(round(components.red * ratio)) + ", " +
      folly::to<std::string>(round(components.green * ratio)) + ", " +
      folly::to<std::string>(round(components.blue * ratio)) + ", " +
      folly::to<std::string>(round(components.alpha * ratio)) + ")";
  }
  
  #pragma mark - Geometry
  
  inline void fromDynamic(const folly::dynamic &value, Float &result) {
    result = value.asDouble();
  }
  
  inline void fromDynamic(const folly::dynamic &value, Point &result) {
    if (value.isObject()) {
      result = Point {(Float)value["x"].asDouble(), (Float)value["y"].asDouble()};
      return;
    }
    if (value.isArray()) {
      result = Point {(Float)value[0].asDouble(), (Float)value[1].asDouble()};
      return;
    }
    abort();
  }
  
  inline void fromDynamic(const folly::dynamic &value, Size &result) {
    if (value.isObject()) {
      result = Size {(Float)value["width"].asDouble(), (Float)value["height"].asDouble()};
      return;
    }
    if (value.isArray()) {
      result = Size {(Float)value[0].asDouble(), (Float)value[1].asDouble()};
      return;
    }
    abort();
  }
  
  inline void fromDynamic(const folly::dynamic &value, EdgeInsets &result) {
    if (value.isObject()) {
      result = EdgeInsets {
        (Float)value["top"].asDouble(),
        (Float)value["left"].asDouble(),
        (Float)value["bottom"].asDouble(),
        (Float)value["right"].asDouble()
      };
      return;
    }
    if (value.isArray()) {
      result = EdgeInsets {
        (Float)value[0].asDouble(),
        (Float)value[1].asDouble(),
        (Float)value[2].asDouble(),
        (Float)value[3].asDouble()
      };
      return;
    }
    abort();
  }
  
  inline std::string toString(const Point &point) {
    return "{" + folly::to<std::string>(point.x) + ", " + folly::to<std::string>(point.y) + "}";
  }
  
  inline std::string toString(const Size &size) {
    return "{" + folly::to<std::string>(size.width) + ", " + folly::to<std::string>(size.height) + "}";
  }
  
  inline std::string toString(const Rect &rect) {
    return "{" + toString(rect.origin) + ", " + toString(rect.size) + "}";
  }
  
  inline std::string toString(const EdgeInsets &edgeInsets) {
    return "{" +
      folly::to<std::string>(edgeInsets.left) + ", " +
      folly::to<std::string>(edgeInsets.top) + ", " +
      folly::to<std::string>(edgeInsets.right) + ", " +
      folly::to<std::string>(edgeInsets.bottom) + "}";
  }
  
  } // namespace react
  } // namespace facebook
  