Add option to avoid clobbering visibility of <declare-styleable>

"aapt2 compile" marks styleables as public instead of preserving
information from <public/> or --visibility options.  This behavior can
now be disabled via --preserve-visibility-of-styleables.

Bug: 146649511
Change-Id: Ifb8ab396573d1393df737a59625e79e9cf2494a7
Tested: aapt2_tests

1 files changed, 26 insertions, 0 deletions

diff --git a/tools/aapt2/ResourceParser_test.cpp b/tools/aapt2/ResourceParser_test.cpp
index 42374690d135..24531bc16445 100644
--- a/tools/aapt2/ResourceParser_test.cpp
+++ b/tools/aapt2/ResourceParser_test.cpp
@@ -614,6 +614,32 @@ TEST_F(ResourceParserTest, ParseAttributesDeclareStyleable) {
   EXPECT_THAT(styleable->entries[2].name, Eq(make_value(test::ParseNameOrDie("attr/baz"))));
 }
 
+TEST_F(ResourceParserTest, ParseDeclareStyleablePreservingVisibility) {
+  StringInputStream input(R"(
+      <resources>
+        <declare-styleable name="foo">
+          <attr name="myattr" />
+        </declare-styleable>
+        <declare-styleable name="bar">
+          <attr name="myattr" />
+        </declare-styleable>
+        <public type="styleable" name="bar" />
+      </resources>)");
+  ResourceParser parser(context_->GetDiagnostics(), &table_, Source{"test"},
+                        ConfigDescription::DefaultConfig(),
+                        ResourceParserOptions{.preserve_visibility_of_styleables = true});
+
+  xml::XmlPullParser xml_parser(&input);
+  ASSERT_TRUE(parser.Parse(&xml_parser));
+
+  EXPECT_EQ(
+      table_.FindResource(test::ParseNameOrDie("styleable/foo")).value().entry->visibility.level,
+      Visibility::Level::kUndefined);
+  EXPECT_EQ(
+      table_.FindResource(test::ParseNameOrDie("styleable/bar")).value().entry->visibility.level,
+      Visibility::Level::kPublic);
+}
+
 TEST_F(ResourceParserTest, ParsePrivateAttributesDeclareStyleable) {
   std::string input = R"(
       <declare-styleable xmlns:privAndroid="http://schemas.android.com/apk/prv/res/android"