62 строки
1.5 KiB
C++
62 строки
1.5 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its 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 <cassert>
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#include <cstring>
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#include <react/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) const {
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*length = 0;
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// Prefix
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if (prefix) {
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auto prefixLength = 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 = 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) {
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int suffixLength = 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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assert(*length < kPropNameLengthHardCap);
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}
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RawPropsKey::operator std::string() const {
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char buffer[kPropNameLengthHardCap];
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RawPropsPropNameLength length = 0;
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render(buffer, &length);
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assert(length < kPropNameLengthHardCap);
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return std::string{buffer, length};
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}
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bool operator==(RawPropsKey const &lhs, RawPropsKey const &rhs) {
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// Note: We check the name first.
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return lhs.name == rhs.name && lhs.prefix == rhs.prefix &&
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lhs.suffix == rhs.suffix;
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}
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bool operator!=(RawPropsKey const &lhs, RawPropsKey const &rhs) {
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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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