am be49403a: am 0cd115e1: am 578087e3: Merge "New command line tool \'idmap\'"

* commit 'be49403a0362c18edaeafe59ac09baac14294dee':
  New command line tool 'idmap'

1 files changed, 25 insertions, 0 deletions

diff --git a/libs/androidfw/AssetManager.cpp b/libs/androidfw/AssetManager.cpp
index 9cea68c..aa69d2f 100644
--- a/libs/androidfw/AssetManager.cpp
+++ b/libs/androidfw/AssetManager.cpp
@@ -83,6 +83,8 @@ static Asset* const kExcludedAsset = (Asset*) 0xd000000d;
 
 static volatile int32_t gCount = 0;
 
+const char* AssetManager::RESOURCES_FILENAME = "resources.arsc";
+
 namespace {
     // Transform string /a/b/c.apk to /data/resource-cache/a@b@c.apk@idmap
     String8 idmapPathForPackagePath(const String8& pkgPath)
@@ -239,6 +241,29 @@ bool AssetManager::addAssetPath(const String8& path, int32_t* cookie)
     return true;
 }
 
+bool AssetManager::createIdmap(const char* targetApkPath, const char* overlayApkPath,
+        uint32_t targetCrc, uint32_t overlayCrc, uint32_t** outData, uint32_t* outSize)
+{
+    AutoMutex _l(mLock);
+    const String8 paths[2] = { String8(targetApkPath), String8(overlayApkPath) };
+    ResTable tables[2];
+
+    for (int i = 0; i < 2; ++i) {
+        asset_path ap;
+        ap.type = kFileTypeRegular;
+        ap.path = paths[i];
+        Asset* ass = openNonAssetInPathLocked("resources.arsc", Asset::ACCESS_BUFFER, ap);
+        if (ass == NULL) {
+            ALOGW("failed to find resources.arsc in %s\n", ap.path.string());
+            return false;
+        }
+        tables[i].add(ass, (void*)1, false);
+    }
+
+    return tables[0].createIdmap(tables[1], targetCrc, overlayCrc,
+            targetApkPath, overlayApkPath, (void**)outData, outSize) == NO_ERROR;
+}
+
 bool AssetManager::isIdmapStaleLocked(const String8& originalPath, const String8& overlayPath,
                                       const String8& idmapPath)
 {