summaryrefslogtreecommitdiffhomepage
path: root/serialize/packbits.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'serialize/packbits.cpp')
-rw-r--r--serialize/packbits.cpp107
1 files changed, 24 insertions, 83 deletions
diff --git a/serialize/packbits.cpp b/serialize/packbits.cpp
index 74b9ff90..c22c621e 100644
--- a/serialize/packbits.cpp
+++ b/serialize/packbits.cpp
@@ -7,57 +7,36 @@ using namespace floormat::detail_Pack;
namespace {
-#if 0
-template<std::unsigned_integral T, size_t Sum, typename... Xs> struct check_size_overflow;
-
-template<std::unsigned_integral T, std::unsigned_integral U, size_t Sum, size_t N, typename... Xs>
-struct check_size_overflow<T, Sum, Bits<U, N>, Xs...>
-{
- static_assert(std::is_same_v<T, U>);
- static constexpr auto acc = Sum + size_t{N};
- using next_check = check_size_overflow<T, acc, Xs...>;
- static constexpr auto size = next_check::size;
- static constexpr bool result = next_check::result;
-};
-
-template<std::unsigned_integral T, size_t Sum>
-struct check_size_overflow<T, Sum>
-{
- static constexpr size_t size = Sum;
- static constexpr bool result = Sum <= sizeof(T)*8;
-};
-#endif
-
template<std::unsigned_integral T, size_t N> constexpr inline T lowbits = (T{1} << N)-T{1};
template<size_t Val> using us_bits = Bits<uint16_t, Val>;
-static_assert(!Storage<uint32_t, 3>{65535}.check_zero());
-static_assert(Storage<uint32_t, 30>{65535}.advance<16>() == 0);
+static_assert(!pack_input<uint32_t, 3>{65535}.check_zero());
+static_assert(pack_input<uint32_t, 30>{65535}.advance<16>() == 0);
-static_assert(Storage<uint32_t, 30>::next<16>{
- Storage<uint32_t, 30>{65535}.advance<16>()
+static_assert(pack_input<uint32_t, 30>::next<16>{
+ pack_input<uint32_t, 30>{65535}.advance<16>()
}.check_zero());
-static_assert(Storage<uint32_t, 30>::next<16>{}.Capacity == 14);
+static_assert(pack_input<uint32_t, 30>::next<16>{}.Capacity == 14);
constexpr bool test1()
{
constexpr size_t bits[] = { 5, 2, 1 };
constexpr size_t vals[] = { 8, 3, 1, 0 };
- constexpr auto S0 = Storage<uint8_t, vals[0]>{0b10111011};
- constexpr auto S1 = Storage<uint8_t, vals[1]>{0b00000101};
- constexpr auto S2 = Storage<uint8_t, vals[2]>{0b00000001};
- constexpr auto S3 = Storage<uint8_t, vals[3]>{0b00000000};
+ constexpr auto S0 = pack_input<uint8_t, vals[0]>{0b10111011};
+ constexpr auto S1 = pack_input<uint8_t, vals[1]>{0b00000101};
+ constexpr auto S2 = pack_input<uint8_t, vals[2]>{0b00000001};
+ constexpr auto S3 = pack_input<uint8_t, vals[3]>{0b00000000};
using P0 = std::decay_t<decltype(S0)>;
using P1 = P0::next<bits[0]>;
using P2 = P1::next<bits[1]>;
using P3 = P2::next<bits[2]>;
- static_assert(std::is_same_v<P0, Storage<uint8_t, vals[0]>>);
- static_assert(std::is_same_v<P1, Storage<uint8_t, vals[1]>>);
- static_assert(std::is_same_v<P2, Storage<uint8_t, vals[2]>>);
- static_assert(std::is_same_v<P3, Storage<uint8_t, vals[3]>>);
+ static_assert(std::is_same_v<P0, pack_input<uint8_t, vals[0]>>);
+ static_assert(std::is_same_v<P1, pack_input<uint8_t, vals[1]>>);
+ static_assert(std::is_same_v<P2, pack_input<uint8_t, vals[2]>>);
+ static_assert(std::is_same_v<P3, pack_input<uint8_t, vals[3]>>);
static_assert(S0.advance< 0>() == S0.value);
static_assert(S0.advance<bits[0]>() == S1.value);
@@ -73,49 +52,11 @@ constexpr bool test1()
}
static_assert(test1());
-#if 0
-constexpr bool test2()
-{
- using foo1 = us_bits<2>;
- using foo2 = us_bits<10>;
- using foo3 = us_bits<4>;
- using bar1 = check_size_overflow<uint16_t, 0, foo1, foo2>;
- static_assert(bar1::result);
- static_assert(bar1::size == 12);
-
- using bar2 = check_size_overflow<uint16_t, 0, foo2>;
- static_assert(bar2::result);
- static_assert(bar2::size == 10);
-
- using bar3 = check_size_overflow<uint16_t, 0, foo1, foo2, foo3>;
- static_assert(bar3::result);
- static_assert(bar3::size == 16);
-
- using foo4 = us_bits<1>;
- using bar4 = check_size_overflow<uint16_t, 0, foo1, foo2, foo3, foo4>;
- static_assert(!bar4::result);
- static_assert(bar4::size == 17);
-
- using foo5 = us_bits<20>;
- using bar5 = check_size_overflow<uint16_t, 0, foo1, foo2, foo3, foo4, foo5>;
- static_assert(!bar5::result);
- static_assert(bar5::size == 37);
-
- using foo6 = us_bits<40>;
- using bar6 = check_size_overflow<uint16_t, 0, foo1, foo2, foo3, foo4, foo6>;
- static_assert(!bar6::result);
- static_assert(bar6::size == 57);
-
- return true;
-}
-static_assert(test2());
-#endif
-
constexpr bool test3()
{
- constexpr auto S0 = Storage<uint16_t, 16>{0b1110100110001011};
- constexpr auto S1 = Storage<uint16_t, 4>{0b1110};
- constexpr auto S2 = Storage<uint16_t, 1>{0b1};
+ constexpr auto S0 = pack_input<uint16_t, 16>{0b1110100110001011};
+ constexpr auto S1 = pack_input<uint16_t, 4>{0b1110};
+ constexpr auto S2 = pack_input<uint16_t, 1>{0b1};
static_assert(S0.get<12>() == 0b100110001011);
static_assert(S0.advance<12>() == S1.value);
@@ -140,7 +81,7 @@ constexpr bool test4()
{
Tuple_u32 tuple{};
static_assert(lowbits<uint32_t, 17> == 0x1ffffU);
- assign_tuple(tuple, Storage<uint32_t, 32>{(uint32_t)-1}, std::make_index_sequence<3>{}, make_pack<uint32_t, 17, 14, 1>{});
+ read_pack(tuple, pack_input<uint32_t, 32>{(uint32_t)-1}, std::make_index_sequence<3>{}, make_pack<uint32_t, 17, 14, 1>{});
auto [a, b, c] = tuple;
fm_assert(a == lowbits<uint32_t, 17>);
fm_assert(b == lowbits<uint32_t, 14>);
@@ -148,7 +89,7 @@ constexpr bool test4()
}
{
Tuple_u8 tuple{};
- assign_tuple(tuple, Storage<uint8_t, 8>{0b101011}, std::make_index_sequence<3>{}, make_pack<uint8_t, 1, 3, 2>{});
+ read_pack(tuple, pack_input<uint8_t, 8>{0b101011}, std::make_index_sequence<3>{}, make_pack<uint8_t, 1, 3, 2>{});
auto [a, b, c] = tuple;
fm_assert(a == 0b1);
fm_assert(b == 0b101);
@@ -156,13 +97,13 @@ constexpr bool test4()
}
{
std::tuple<> empty_tuple;
- assign_tuple(empty_tuple, Storage<uint8_t, 8>{0}, std::index_sequence<>{}, make_pack<uint8_t>{});
+ read_pack(empty_tuple, pack_input<uint8_t, 8>{0}, std::index_sequence<>{}, make_pack<uint8_t>{});
Tuple_u8 tuple{}; (void)tuple;
- //assign_tuple(empty_tuple, Storage<uint8_t, 8>{1}, std::index_sequence<>{}, make_tuple<uint8_t>{});
- //assign_tuple(tuple, Storage<uint8_t, 5>{0b11111}, std::make_index_sequence<3>{}, make_tuple<uint8_t, 2, 2, 2>{});
- //(void)Storage<uint8_t, 9>{};
- //assign_tuple(empty_tuple, Storage<uint8_t, 8>{}, std::index_sequence<0>{}, make_tuple<uint8_t, 1>{});
- //assign_tuple(empty_tuple, Storage<uint8_t, 8>{1}, std::index_sequence<>{}, make_tuple<uint8_t, 1>{});
+ //read_pack(empty_tuple, pack_input<uint8_t, 8>{1}, std::index_sequence<>{}, make_tuple<uint8_t>{});
+ //read_pack(tuple, pack_input<uint8_t, 5>{0b11111}, std::make_index_sequence<3>{}, make_tuple<uint8_t, 2, 2, 2>{});
+ //(void)pack_input<uint8_t, 9>{};
+ //read_pack(empty_tuple, pack_input<uint8_t, 8>{}, std::index_sequence<0>{}, make_tuple<uint8_t, 1>{});
+ //read_pack(empty_tuple, pack_input<uint8_t, 8>{1}, std::index_sequence<>{}, make_tuple<uint8_t, 1>{});
}
return true;
generated by cgit v1.2.3 (git 2.39.1) at 2025-02-27 16:09:17 +0000