split project with app & doric module

doric-Qt/example/doric/yoga/YGLayout.h

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) Facebook, Inc. and its 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 "BitUtils.h"
+#include "YGFloatOptional.h"
+#include "Yoga-internal.h"
+
+using namespace facebook::yoga;
+
+struct YGLayout {
+  std::array<float, 4> position = {};
+  std::array<float, 2> dimensions = {{YGUndefined, YGUndefined}};
+  std::array<float, 4> margin = {};
+  std::array<float, 4> border = {};
+  std::array<float, 4> padding = {};
+
+private:
+  static constexpr size_t directionOffset = 0;
+  static constexpr size_t didUseLegacyFlagOffset =
+      directionOffset + facebook::yoga::detail::bitWidthFn<YGDirection>();
+  static constexpr size_t doesLegacyStretchFlagAffectsLayoutOffset =
+      didUseLegacyFlagOffset + 1;
+  static constexpr size_t hadOverflowOffset =
+      doesLegacyStretchFlagAffectsLayoutOffset + 1;
+  uint8_t flags = 0;
+
+public:
+  uint32_t computedFlexBasisGeneration = 0;
+  YGFloatOptional computedFlexBasis = {};
+
+  // Instead of recomputing the entire layout every single time, we cache some
+  // information to break early when nothing changed
+  uint32_t generationCount = 0;
+  YGDirection lastOwnerDirection = YGDirectionInherit;
+
+  uint32_t nextCachedMeasurementsIndex = 0;
+  std::array<YGCachedMeasurement, YG_MAX_CACHED_RESULT_COUNT>
+      cachedMeasurements = {};
+  std::array<float, 2> measuredDimensions = {{YGUndefined, YGUndefined}};
+
+  YGCachedMeasurement cachedLayout = YGCachedMeasurement();
+
+  YGDirection direction() const {
+    return facebook::yoga::detail::getEnumData<YGDirection>(
+        flags, directionOffset);
+  }
+
+  void setDirection(YGDirection direction) {
+    facebook::yoga::detail::setEnumData<YGDirection>(
+        flags, directionOffset, direction);
+  }
+
+  bool didUseLegacyFlag() const {
+    return facebook::yoga::detail::getBooleanData(
+        flags, didUseLegacyFlagOffset);
+  }
+
+  void setDidUseLegacyFlag(bool val) {
+    facebook::yoga::detail::setBooleanData(flags, didUseLegacyFlagOffset, val);
+  }
+
+  bool doesLegacyStretchFlagAffectsLayout() const {
+    return facebook::yoga::detail::getBooleanData(
+        flags, doesLegacyStretchFlagAffectsLayoutOffset);
+  }
+
+  void setDoesLegacyStretchFlagAffectsLayout(bool val) {
+    facebook::yoga::detail::setBooleanData(
+        flags, doesLegacyStretchFlagAffectsLayoutOffset, val);
+  }
+
+  bool hadOverflow() const {
+    return facebook::yoga::detail::getBooleanData(flags, hadOverflowOffset);
+  }
+  void setHadOverflow(bool hadOverflow) {
+    facebook::yoga::detail::setBooleanData(
+        flags, hadOverflowOffset, hadOverflow);
+  }
+
+  bool operator==(YGLayout layout) const;
+  bool operator!=(YGLayout layout) const { return !(*this == layout); }
+};