Cache resource ID lookups in aapt

This speeds up certain workloads considerably, particularly
those involved in buildling apps via the SDK.  Windows-based
use should particularly benefit from the change.

(cherry picked from commit d8dde13a63565dcd72bcf03a5088407b737ba793)

Change-Id: I33835bc64ade77688d41e8bfcd371b0a5f59d8fd

1 files changed, 30 insertions, 0 deletions

diff --git a/tools/aapt/ResourceIdCache.h b/tools/aapt/ResourceIdCache.h
new file mode 100644
index 0000000..65f7781
--- /dev/null
+++ b/tools/aapt/ResourceIdCache.h
@@ -0,0 +1,30 @@
+//
+// Copyright 2012 The Android Open Source Project
+//
+// Manage a resource ID cache.
+
+#ifndef RESOURCE_ID_CACHE_H
+#define RESOURCE_ID_CACHE_H
+
+namespace android {
+class android::String16;
+
+class ResourceIdCache {
+public:
+    static uint32_t lookup(const android::String16& package,
+            const android::String16& type,
+            const android::String16& name,
+            bool onlyPublic);
+
+    static uint32_t store(const android::String16& package,
+            const android::String16& type,
+            const android::String16& name,
+            bool onlyPublic,
+            uint32_t resId);
+
+    static void dump(void);
+};
+
+}
+
+#endif