Magisk/native/jni/resetprop/_resetprop.hpp
2020-05-07 06:08:30 -07:00

50 lines
1.2 KiB
C++

#pragma once
#include <string>
#include <map>
#include <logging.hpp>
#include <system_properties.h>
#define PERSISTENT_PROPERTY_DIR "/data/property"
struct prop_cb {
virtual void exec(const char *name, const char *value) = 0;
};
template<class T>
struct prop_cb_impl : public prop_cb {
typedef void (*callback_type)(const char *, const char *, T&);
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdangling-field" // Dangling field is expected
prop_cb_impl(T &arg, callback_type fn) : arg(arg), fn(fn) {}
#pragma GCC diagnostic pop
void exec(const char *name, const char *value) override {
fn(name, value, arg);
}
private:
T &arg;
callback_type fn;
};
extern bool use_pb;
using prop_list = std::map<std::string_view, std::string>;
struct prop_collector : prop_cb_impl<prop_list> {
prop_collector(prop_list &list) :
prop_cb_impl<prop_list>(list, [](auto name, auto val, auto list){ list.emplace(name, val); }) {}
};
template <class T, class Func>
prop_cb_impl<T> make_prop_cb(T &arg, Func f) {
return prop_cb_impl<T>(arg, f);
}
std::string persist_getprop(const char *name);
void persist_getprops(prop_cb *prop_cb);
bool persist_deleteprop(const char *name);
void persist_cleanup();