Restructure native codebase

native/jni/resetprop/prop.hpp

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <string>
+#include <map>
+
+#include <system_properties.h>
+
+#define PERSISTENT_PROPERTY_DIR  "/data/property"
+
+struct prop_cb {
+    virtual void exec(const char *name, const char *value) {
+        exec(std::string(name), value);
+    }
+    virtual void exec(std::string &&name, const char *value) {
+        exec(name.data(), value);
+    }
+};
+
+extern bool use_pb;
+
+using prop_list = std::map<std::string, std::string>;
+
+struct prop_collector : prop_cb {
+    explicit prop_collector(prop_list &list) : list(list) {}
+    void exec(const char *name, const char *value) override {
+        list.insert_or_assign(name, value);
+    }
+    void exec(std::string &&name, const char *value) override {
+        list.insert_or_assign(std::move(name), value);
+    }
+private:
+    prop_list &list;
+};
+
+std::string persist_getprop(const char *name);
+void persist_getprops(prop_cb *prop_cb);
+bool persist_deleteprop(const char *name);