/* * Copyright (c) Meta Platforms, Inc. and affiliates. * * This source code is licensed under the MIT license found in the * LICENSE file in the root directory of this source tree. */ #include "RawPropsKey.h" #include #include #include #include #include namespace facebook::react { void RawPropsKey::render(char* buffer, RawPropsPropNameLength* length) const noexcept { *length = 0; // Prefix if (prefix != nullptr) { auto prefixLength = static_cast(std::strlen(prefix)); std::memcpy(buffer, prefix, prefixLength); *length = prefixLength; } // Name auto nameLength = static_cast(std::strlen(name)); std::memcpy(buffer + *length, name, nameLength); *length += nameLength; // Suffix if (suffix != nullptr) { auto suffixLength = static_cast(std::strlen(suffix)); std::memcpy(buffer + *length, suffix, suffixLength); *length += suffixLength; } react_native_assert(*length < kPropNameLengthHardCap); } RawPropsKey::operator std::string() const noexcept { auto buffer = std::array(); RawPropsPropNameLength length = 0; render(buffer.data(), &length); react_native_assert(length < kPropNameLengthHardCap); return std::string{buffer.data(), length}; } static bool areFieldsEqual(const char* lhs, const char* rhs) { if (lhs == nullptr || rhs == nullptr) { return lhs == rhs; } return lhs == rhs || strcmp(lhs, rhs) == 0; } bool operator==(const RawPropsKey& lhs, const RawPropsKey& rhs) noexcept { // Note: We check the name first. return areFieldsEqual(lhs.name, rhs.name) && areFieldsEqual(lhs.prefix, rhs.prefix) && areFieldsEqual(lhs.suffix, rhs.suffix); } bool operator!=(const RawPropsKey& lhs, const RawPropsKey& rhs) noexcept { return !(lhs == rhs); } } // namespace facebook::react