Revert D48710796: C++ Cleanup 2/N: Reorganize YGConfig

Differential Revision: D48710796 Original commit changeset: d548553f7ce8 Original Phabricator Diff: D48710796 fbshipit-source-id: c8b2de245f3894f6a87c262ec70d313020aa228e
2023-08-29 23:27:25 -07:00
parent ea7f61a3db
commit 13c5ce2234
10 changed files with 107 additions and 122 deletions
--- a/yoga/YGConfig.h
+++ b/yoga/YGConfig.h
@@ -0,0 +1,108 @@
+/*
+ * 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 <yoga/Yoga.h>
+
+#include <yoga/BitUtils.h>
+#include <yoga/Yoga-internal.h>
+
+namespace facebook::yoga {
+
+// Whether moving a node from config "a" to config "b" should dirty previously
+// calculated layout results.
+bool configUpdateInvalidatesLayout(YGConfigRef a, YGConfigRef b);
+
+// Internal variants of log functions, currently used only by JNI bindings.
+// TODO: Reconcile this with the public API
+using LogWithContextFn = int (*)(
+    YGConfigRef config,
+    YGNodeRef node,
+    YGLogLevel level,
+    void* context,
+    const char* format,
+    va_list args);
+using CloneWithContextFn = YGNodeRef (*)(
+    YGNodeRef node,
+    YGNodeRef owner,
+    int childIndex,
+    void* cloneContext);
+
+using ExperimentalFeatureSet =
+    facebook::yoga::detail::EnumBitset<YGExperimentalFeature>;
+
+#pragma pack(push)
+#pragma pack(1)
+// Packed structure of <32-bit options to miminize size per node.
+struct YGConfigFlags {
+  bool useWebDefaults : 1;
+  bool printTree : 1;
+  bool cloneNodeUsesContext : 1;
+  bool loggerUsesContext : 1;
+};
+#pragma pack(pop)
+
+} // namespace facebook::yoga
+
+struct YOGA_EXPORT YGConfig {
+  YGConfig(YGLogger logger);
+
+  void setUseWebDefaults(bool useWebDefaults);
+  bool useWebDefaults() const;
+
+  void setShouldPrintTree(bool printTree);
+  bool shouldPrintTree() const;
+
+  void setExperimentalFeatureEnabled(
+      YGExperimentalFeature feature,
+      bool enabled);
+  bool isExperimentalFeatureEnabled(YGExperimentalFeature feature) const;
+  facebook::yoga::ExperimentalFeatureSet getEnabledExperiments() const;
+
+  void setErrata(YGErrata errata);
+  void addErrata(YGErrata errata);
+  void removeErrata(YGErrata errata);
+  YGErrata getErrata() const;
+  bool hasErrata(YGErrata errata) const;
+
+  void setPointScaleFactor(float pointScaleFactor);
+  float getPointScaleFactor() const;
+
+  void setContext(void* context);
+  void* getContext() const;
+
+  void setLogger(YGLogger logger);
+  void setLogger(facebook::yoga::LogWithContextFn logger);
+  void setLogger(std::nullptr_t);
+  void log(YGConfig*, YGNode*, YGLogLevel, void*, const char*, va_list) const;
+
+  void setCloneNodeCallback(YGCloneNodeFunc cloneNode);
+  void setCloneNodeCallback(facebook::yoga::CloneWithContextFn cloneNode);
+  void setCloneNodeCallback(std::nullptr_t);
+  YGNodeRef cloneNode(
+      YGNodeRef node,
+      YGNodeRef owner,
+      int childIndex,
+      void* cloneContext) const;
+
+private:
+  union {
+    facebook::yoga::CloneWithContextFn withContext;
+    YGCloneNodeFunc noContext;
+  } cloneNodeCallback_;
+  union {
+    facebook::yoga::LogWithContextFn withContext;
+    YGLogger noContext;
+  } logger_;
+
+  facebook::yoga::YGConfigFlags flags_{};
+  facebook::yoga::ExperimentalFeatureSet experimentalFeatures_{};
+  YGErrata errata_ = YGErrataNone;
+  float pointScaleFactor_ = 1.0f;
+  void* context_ = nullptr;
+};