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Add prefix trimming (#414)

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ZXShady 2025-08-31 21:56:19 +03:00 • committed by GitHub
parent d468f23408
commit aaf57737d5
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5 changed files with 180 additions and 110 deletions
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32
test/test_flags.cpp
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@ -57,7 +57,10 @@ namespace Namespace {
three = 1 << 3,
many = 1 << 30,
};
magic_enum::customize::adl_info<true> adl_magic_enum_define_range(Numbers);
auto adl_magic_enum_define_range(Numbers)
{
return magic_enum::customize::adl_info().flag<true>();
}
}
using Namespace::Numbers;
@ -91,6 +94,24 @@ struct magic_enum::customize::enum_range<number> {
static constexpr bool is_flags = true;
};
enum CStyleFlags {
CStyleFlags_A = 1 << 0,
CStyleFlags_B = 1 << 1,
CStyleFlags_C = 1 << 2,
CStyleFlags_D = 1 << 3,
CStyleFlags_E = 1 << 4,
CStyleFlags_F = 1 << 5,
CStyleFlags_G = 1 << 6,
CStyleFlags_H = 1 << 7,
CStyleFlags_I = 1 << 8,
};
template <>
struct magic_enum::customize::enum_range<CStyleFlags> {
static constexpr bool is_flags = true;
static constexpr auto prefix_length = sizeof("CStyleFlags_")-1;
};
#include <magic_enum/magic_enum.hpp>
#include <magic_enum/magic_enum_fuse.hpp>
@ -117,6 +138,13 @@ TEST_CASE("enum_cast") {
REQUIRE_FALSE(enum_flags_cast<Color&>("GREEN|RED|None").has_value());
REQUIRE_FALSE(enum_flags_cast<Color>("None").has_value());
REQUIRE(enum_flags_cast<CStyleFlags>("A|B|C|D").value() == (CStyleFlags_A | CStyleFlags_B | CStyleFlags_C | CStyleFlags_D));
REQUIRE(enum_flags_cast<CStyleFlags>("a|e|f", [](char lhs, char rhs) { return std::tolower(lhs) == std::tolower(rhs); }).value() == (CStyleFlags_A | CStyleFlags_E | CStyleFlags_F));
REQUIRE_FALSE(enum_flags_cast<CStyleFlags>("blue|E|F|C", [](char lhs, char rhs) { return std::tolower(lhs) == std::tolower(rhs); }).has_value());
REQUIRE(enum_flags_cast<CStyleFlags>("H|I|F|F|F").value() == (CStyleFlags_H | CStyleFlags_I | CStyleFlags_F));
REQUIRE(enum_flags_cast<CStyleFlags>("E|B|C|A").value() == (CStyleFlags_A | CStyleFlags_B | CStyleFlags_C | CStyleFlags_E));
constexpr auto no = enum_cast<Numbers>("one");
REQUIRE(no.value() == Numbers::one);
REQUIRE(enum_cast<Numbers>("two").value() == Numbers::two);
@ -504,6 +532,8 @@ TEST_CASE("enum_flags_name") {
REQUIRE(enum_flags_name(number::four) == "four");
REQUIRE(nto_name == "one|three");
REQUIRE(enum_flags_name(static_cast<number>(0)).empty());
REQUIRE(enum_flags_name(CStyleFlags_A | CStyleFlags_B | CStyleFlags_C | CStyleFlags_D) == "A|B|C|D");
}
TEST_CASE("enum_names") {