mirror of
https://github.com/facebook/react-native.git
synced 2025-11-01 09:14:26 +00:00
Samuel Susla
ce50c43986
Summary: changelog: [internal] Add more clang tidy rules to prevent common class of bugs. Reviewed By: javache Differential Revision: D39245194 fbshipit-source-id: 5521c5c4653d7005b96ebba494e810ba5075afbc
75 lines
2.0 KiB
C++
75 lines
2.0 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#include "RawPropsKey.h"
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#include <array>
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#include <cassert>
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#include <cstring>
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#include <react/debug/react_native_assert.h>
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#include <react/renderer/core/RawPropsPrimitives.h>
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namespace facebook {
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namespace react {
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void RawPropsKey::render(char *buffer, RawPropsPropNameLength *length)
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const noexcept {
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*length = 0;
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// Prefix
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if (prefix != nullptr) {
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auto prefixLength =
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static_cast<RawPropsPropNameLength>(std::strlen(prefix));
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std::memcpy(buffer, prefix, prefixLength);
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*length = prefixLength;
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}
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// Name
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auto nameLength = static_cast<RawPropsPropNameLength>(std::strlen(name));
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std::memcpy(buffer + *length, name, nameLength);
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*length += nameLength;
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// Suffix
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if (suffix != nullptr) {
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auto suffixLength =
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static_cast<RawPropsPropNameLength>(std::strlen(suffix));
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std::memcpy(buffer + *length, suffix, suffixLength);
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*length += suffixLength;
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}
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react_native_assert(*length < kPropNameLengthHardCap);
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}
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RawPropsKey::operator std::string() const noexcept {
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auto buffer = std::array<char, kPropNameLengthHardCap>();
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RawPropsPropNameLength length = 0;
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render(buffer.data(), &length);
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react_native_assert(length < kPropNameLengthHardCap);
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return std::string{buffer.data(), length};
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}
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static bool areFieldsEqual(char const *lhs, char const *rhs) {
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if (lhs == nullptr || rhs == nullptr) {
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return lhs == rhs;
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}
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return lhs == rhs || strcmp(lhs, rhs) == 0;
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}
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bool operator==(RawPropsKey const &lhs, RawPropsKey const &rhs) noexcept {
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// Note: We check the name first.
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return areFieldsEqual(lhs.name, rhs.name) &&
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areFieldsEqual(lhs.prefix, rhs.prefix) &&
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areFieldsEqual(lhs.suffix, rhs.suffix);
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}
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bool operator!=(RawPropsKey const &lhs, RawPropsKey const &rhs) noexcept {
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return !(lhs == rhs);
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}
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} // namespace react
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} // namespace facebook
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