From cf623c32ee369efbced6f1558eb07d5979213228 Mon Sep 17 00:00:00 2001
From: apell <apell@google.com>
Date: Wed, 24 May 2017 18:42:42 +0200
Subject: Fix bug with combining resource attributes. Attributes were reporting
 that they were over-writable in all cases instead of differentiating by
 attribute type.

RELNOTES: None.
PiperOrigin-RevId: 156999284
---
 .../google/devtools/build/android/FullyQualifiedName.java   | 12 ++++++++----
 .../devtools/build/android/xml/ResourcesAttribute.java      | 13 ++++++++++---
 2 files changed, 18 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/tools/android/java/com/google/devtools/build/android/FullyQualifiedName.java b/src/tools/android/java/com/google/devtools/build/android/FullyQualifiedName.java
index 836239d6be..938627afa5 100644
--- a/src/tools/android/java/com/google/devtools/build/android/FullyQualifiedName.java
+++ b/src/tools/android/java/com/google/devtools/build/android/FullyQualifiedName.java
@@ -25,6 +25,7 @@ import com.google.common.collect.ImmutableList.Builder;
 import com.google.common.collect.Iterators;
 import com.google.common.collect.PeekingIterator;
 import com.google.devtools.build.android.proto.SerializeFormat;
+import com.google.devtools.build.android.xml.ResourcesAttribute;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.file.Path;
@@ -63,7 +64,7 @@ public class FullyQualifiedName implements DataKey {
 
     public String getName();
     public ConcreteType getType();
-    public boolean isOverwritable();
+    public boolean isOverwritable(FullyQualifiedName fqn);
     public int compareTo(Type other);
     @Override public boolean equals(Object obj);
     @Override public int hashCode();
@@ -99,7 +100,7 @@ public class FullyQualifiedName implements DataKey {
     }
 
     @Override
-    public boolean isOverwritable() {
+    public boolean isOverwritable(FullyQualifiedName fqn) {
       return !(resourceType == ResourceType.ID
           || resourceType == ResourceType.PUBLIC
           || resourceType == ResourceType.STYLEABLE);
@@ -182,7 +183,10 @@ public class FullyQualifiedName implements DataKey {
     }
 
     @Override
-    public boolean isOverwritable() {
+    public boolean isOverwritable(FullyQualifiedName fqn) {
+      if (this == RESOURCES_ATTRIBUTE) {
+        return !ResourcesAttribute.AttributeType.from(fqn.name()).isCombining();
+      }
       return true;
     }
 
@@ -531,7 +535,7 @@ public class FullyQualifiedName implements DataKey {
   }
 
   public boolean isOverwritable() {
-    return type.isOverwritable();
+    return type.isOverwritable(this);
   }
 
   /** Creates a FullyQualifiedName from this one with a different package. */
diff --git a/src/tools/android/java/com/google/devtools/build/android/xml/ResourcesAttribute.java b/src/tools/android/java/com/google/devtools/build/android/xml/ResourcesAttribute.java
index 9202d599b5..a54667ecdb 100644
--- a/src/tools/android/java/com/google/devtools/build/android/xml/ResourcesAttribute.java
+++ b/src/tools/android/java/com/google/devtools/build/android/xml/ResourcesAttribute.java
@@ -48,7 +48,11 @@ public class ResourcesAttribute implements XmlResourceValue {
     }
   };
 
-  private static enum AttributeType {
+  /**
+   * Represents the semantic meaning of an xml attribute and how it is combined with other
+   * attributes of the same type.
+   */
+  public static enum AttributeType {
     UNCOMBINABLE(null, null),
     TOOLS_IGNORE("{http://schemas.android.com/tools}ignore", COMMA_SEPARATED_COMBINER),
     TOOLS_MENU("{http://schemas.android.com/tools}menu", COMMA_SEPARATED_COMBINER),
@@ -74,6 +78,10 @@ public class ResourcesAttribute implements XmlResourceValue {
       this.name = name;
       this.combiner = combiner;
     }
+
+    public boolean isCombining() {
+      return this != UNCOMBINABLE;
+    }
   }
 
   public static ResourcesAttribute of(FullyQualifiedName fqn, String name, String value) {
@@ -94,7 +102,6 @@ public class ResourcesAttribute implements XmlResourceValue {
   private final String value;
 
   private ResourcesAttribute(AttributeType type, String name, String value) {
-
     this.type = type;
     this.name = name;
     this.value = value;
@@ -148,7 +155,7 @@ public class ResourcesAttribute implements XmlResourceValue {
   }
 
   public boolean isCombining() {
-    return type != AttributeType.UNCOMBINABLE;
+    return type.isCombining();
   }
 
   @Override
-- 
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