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obfs: Remerge

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revsic
2019-02-19 03:50:14 +09:00
parent 625c0202b7
commit ac06755c61
1 changed files with 21 additions and 23 deletions
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obfuscator.hpp
+21 -23
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@@ -53,28 +53,29 @@ namespace obfs {
namespace obfs {
template <typename T, T... Others>
struct Sequence;
template <typename T, T Val, T... Others>
struct Sequence<T, Val, Others...> {
template <typename T, T Val>
struct TypeVal {
using value_type = T;
constexpr static T value = Val;
};
using now = Sequence<T, Val, Others...>;
struct Nothing {};
template <typename T, T Val, T... Others>
struct Sequence {
using value = TypeVal<T, Val>;
using next = Sequence<T, Others...>;
template <std::size_t Idx>
using get = std::conditional_t<Idx == 0, now, typename next::get<Idx - 1>>;
using index = std::conditional_t<Idx == 0, value, typename next::template index<Idx - 1>>;
};
template <typename T, T Val>
struct Sequence<T, Val> {
using value_type = T;
constexpr static T value = Val;
using value = TypeVal<T, Val>;
template <std::size_t Idx>
using get = std::enable_if_t<Idx == 0, Sequence<T, Val>>;
using index = std::conditional_t<Idx == 0, value, Nothing>;
};
template <typename T, typename... Ts>
@@ -82,27 +83,27 @@ namespace obfs {
using type = T;
using next = TypeSeq<Ts...>;
// template <std::size_t Idx>
// using get = std::conditional_t<Idx == 0, type, next::get<Idx - 1>>;
template <std::size_t Idx>
using index = std::conditional_t<Idx == 0, type, typename next::template index<Idx - 1>>;
};
template <typename T>
struct TypeSeq<T> {
using type = T;
// template <std::size_t Idx>
// using get = std::enable_if_t<Idx == 0, type>;
template <std::size_t Idx>
using index = std::conditional_t<Idx == 0, type, Nothing>;
};
template <typename... T>
struct SeqPack {
constexpr static std::size_t size = sizeof...(T);
template <typename T, std::size_t Idx>
using single_elem = Sequence<typename T::value_type, T::get<Idx>::value>;
template <std::size_t Idx, typename U>
using getter = typename U::template index<Idx>;
template <std::size_t Idx>
using get = TypeSeq<single_elem<T, Idx>...>;
using index = TypeSeq<getter<Idx, T>...>;
};
}
@@ -152,12 +153,9 @@ namespace obfs {
template <typename Table, std::size_t size>
constexpr auto make_string(char const (&str)[size]) {
using pair = Table::get<OBFS_RAND_VAL(Table::size)>;
// constexpr Encoder encoder = pair::get<0>::value;
// constexpr Decoder decoder = pair::get<1>::value;
constexpr Encoder encoder = pair::type::value;
constexpr Decoder decoder = pair::next::type::value;
using pair = Table::index<OBFS_RAND_VAL(Table::size)>;
constexpr Encoder encoder = pair::index<0>::value;
constexpr Decoder decoder = pair::index<1>::value;
return make_string<encoder, decoder>(str);
}