| 1 | /* |
| 2 | * Copyright (c) 2024 EfficiOS, inc. |
| 3 | * |
| 4 | * SPDX-License-Identifier: MIT |
| 5 | */ |
| 6 | |
| 7 | #ifndef BABELTRACE_CPP_COMMON_BT2C_FMT_HPP |
| 8 | #define BABELTRACE_CPP_COMMON_BT2C_FMT_HPP |
| 9 | |
| 10 | #include "cpp-common/bt2/value.hpp" |
| 11 | #include "cpp-common/vendor/fmt/format.h" /* IWYU pragma: keep */ |
| 12 | #include "cpp-common/vendor/wise-enum/wise_enum.h" |
| 13 | |
| 14 | #include "uuid.hpp" |
| 15 | |
| 16 | namespace internal { |
| 17 | |
| 18 | template <typename T> |
| 19 | using EnableIfIsWiseEnum = |
| 20 | typename std::enable_if<wise_enum::is_wise_enum<T>::value, wise_enum::string_type>::type; |
| 21 | |
| 22 | } /* namespace internal */ |
| 23 | |
| 24 | namespace bt2 { |
| 25 | |
| 26 | template <typename T> |
| 27 | ::internal::EnableIfIsWiseEnum<T> format_as(const T val) noexcept |
| 28 | { |
| 29 | return wise_enum::to_string<T>(val); |
| 30 | } |
| 31 | |
| 32 | inline std::string format_as(const bt2::ConstValue val) noexcept |
| 33 | { |
| 34 | switch (val.type()) { |
| 35 | case ValueType::Null: |
| 36 | return "null"; |
| 37 | |
| 38 | case ValueType::Bool: |
| 39 | return val.asBool().value() ? "true" : "false"; |
| 40 | |
| 41 | case ValueType::UnsignedInteger: |
| 42 | return fmt::format("{}u", val.asUnsignedInteger().value()); |
| 43 | |
| 44 | case ValueType::SignedInteger: |
| 45 | return fmt::format("{}", val.asSignedInteger().value()); |
| 46 | |
| 47 | case ValueType::Real: |
| 48 | return fmt::format("{}", val.asReal().value()); |
| 49 | |
| 50 | case ValueType::String: |
| 51 | return fmt::format("\"{}\"", val.asString().value()); |
| 52 | |
| 53 | case ValueType::Array: |
| 54 | { |
| 55 | std::string ret {'['}; |
| 56 | const char *maybeComma = ""; |
| 57 | |
| 58 | for (const auto elem : val.asArray()) { |
| 59 | ret += fmt::format("{}{}", maybeComma, elem); |
| 60 | maybeComma = ", "; |
| 61 | } |
| 62 | |
| 63 | ret += ']'; |
| 64 | return ret; |
| 65 | } |
| 66 | |
| 67 | case ValueType::Map: |
| 68 | { |
| 69 | std::string ret {'{'}; |
| 70 | const char *maybeComma = ""; |
| 71 | |
| 72 | val.asMap().forEach([&](const bt2c::CStringView k, const bt2::ConstValue v) { |
| 73 | ret += fmt::format("{}{}: {}", maybeComma, k, v); |
| 74 | maybeComma = ", "; |
| 75 | }); |
| 76 | |
| 77 | ret += '}'; |
| 78 | return ret; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | bt_common_abort(); |
| 83 | } |
| 84 | |
| 85 | } /* namespace bt2 */ |
| 86 | |
| 87 | namespace bt2c { |
| 88 | |
| 89 | template <typename T> |
| 90 | ::internal::EnableIfIsWiseEnum<T> format_as(const T val) noexcept |
| 91 | { |
| 92 | return wise_enum::to_string<T>(val); |
| 93 | } |
| 94 | |
| 95 | inline std::string format_as(const UuidView uuid) |
| 96 | { |
| 97 | return uuid.str(); |
| 98 | } |
| 99 | |
| 100 | } /* namespace bt2c */ |
| 101 | |
| 102 | #endif /* BABELTRACE_CPP_COMMON_BT2C_FMT_HPP */ |