Persist whether xml resources have flags

This stores whether an xml document has feature flags in it in a
ResTable_entry so that at runtime we can know not to do extra work
looking for flags.

Test: Automation
Bug: 377974898
Flag: android.content.res.layout_readwrite_flags

Change-Id: Id43b2d9941d1fab8c654d081bf19df5a33a464f3

1 files changed, 5 insertions, 0 deletions

diff --git a/tools/aapt2/ResourceTable.h b/tools/aapt2/ResourceTable.h
index b0e185536d16..778b43adb50b 100644
--- a/tools/aapt2/ResourceTable.h
+++ b/tools/aapt2/ResourceTable.h
@@ -104,6 +104,9 @@ class ResourceConfigValue {
   // The actual Value.
   std::unique_ptr<Value> value;
 
+  // Whether the value uses read/write feature flags
+  bool uses_readwrite_feature_flags = false;
+
   ResourceConfigValue(const android::ConfigDescription& config, android::StringPiece product)
       : config(config), product(product) {
   }
@@ -284,6 +287,7 @@ struct NewResource {
   std::optional<AllowNew> allow_new;
   std::optional<StagedId> staged_id;
   bool allow_mangled = false;
+  bool uses_readwrite_feature_flags = false;
 };
 
 struct NewResourceBuilder {
@@ -297,6 +301,7 @@ struct NewResourceBuilder {
   NewResourceBuilder& SetAllowNew(AllowNew allow_new);
   NewResourceBuilder& SetStagedId(StagedId id);
   NewResourceBuilder& SetAllowMangled(bool allow_mangled);
+  NewResourceBuilder& SetUsesReadWriteFeatureFlags(bool uses_feature_flags);
   NewResource Build();
 
  private: