1 files changed, 64 insertions, 0 deletions
diff --git a/libs/androidfw/LocaleDataLookup.cpp b/libs/androidfw/LocaleDataLookup.cpp
new file mode 100644
index 000000000000..5441e2258900
--- /dev/null
+++ b/libs/androidfw/LocaleDataLookup.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2024 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <unordered_map>
+#include <unordered_set>
+
+#include <androidfw/LocaleDataLookup.h>
+
+namespace android {
+
+#include "LocaleDataTables.cpp"
+
+const size_t SCRIPT_PARENTS_COUNT = sizeof(SCRIPT_PARENTS)/sizeof(SCRIPT_PARENTS[0]);
+
+const char* lookupLikelyScript(uint32_t packed_lang_region) {
+
+    auto lookup_result = LIKELY_SCRIPTS.find(packed_lang_region);
+    if (lookup_result == LIKELY_SCRIPTS.end()) {
+        return nullptr;
+    } else {
+        return SCRIPT_CODES[lookup_result->second];
+    }
+}
+
+uint32_t findParentLocalePackedKey(const char* script, uint32_t packed_lang_region) {
+    for (size_t i = 0; i < SCRIPT_PARENTS_COUNT; i++) {
+        if (memcmp(script, SCRIPT_PARENTS[i].script, SCRIPT_LENGTH) == 0) {
+            auto map = SCRIPT_PARENTS[i].map;
+            auto lookup_result = map->find(packed_lang_region);
+            if (lookup_result != map->end()) {
+                return lookup_result->second;
+            }
+            break;
+        }
+    }
+    return 0;
+}
+
+uint32_t getMaxAncestorTreeDepth() {
+    return MAX_PARENT_DEPTH;
+}
+
+namespace hidden {
+
+bool isRepresentative(uint64_t packed_locale) {
+    return (REPRESENTATIVE_LOCALES.count(packed_locale) != 0);
+}
+
+} // namespace hidden
+
+} // namespace android