108 lines
2.5 KiB
C++
108 lines
2.5 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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#pragma once
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#include <react/bridging/Base.h>
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#include <memory>
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#include <optional>
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namespace facebook::react {
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template <>
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struct Bridging<std::nullptr_t> {
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static std::nullptr_t fromJs(jsi::Runtime &rt, const jsi::Value &value) {
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if (value.isNull() || value.isUndefined()) {
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return nullptr;
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} else {
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throw jsi::JSError(rt, "Cannot convert value to nullptr");
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}
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}
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static std::nullptr_t toJs(jsi::Runtime &, std::nullptr_t) {
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return nullptr;
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}
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};
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template <typename T>
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struct Bridging<std::optional<T>> {
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static std::optional<T> fromJs(
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jsi::Runtime &rt,
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const jsi::Value &value,
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const std::shared_ptr<CallInvoker> &jsInvoker) {
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if (value.isNull() || value.isUndefined()) {
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return {};
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}
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return bridging::fromJs<T>(rt, value, jsInvoker);
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}
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template <typename U>
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static std::optional<T> fromJs(
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jsi::Runtime &rt,
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const std::optional<U> &value,
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const std::shared_ptr<CallInvoker> &jsInvoker) {
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if (value) {
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return bridging::fromJs<T>(rt, *value, jsInvoker);
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}
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return {};
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}
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static jsi::Value toJs(
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jsi::Runtime &rt,
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const std::optional<T> &value,
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const std::shared_ptr<CallInvoker> &jsInvoker) {
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if (value) {
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return bridging::toJs(rt, *value, jsInvoker);
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}
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return jsi::Value::null();
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}
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};
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template <typename T>
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struct Bridging<
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std::shared_ptr<T>,
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std::enable_if_t<!std::is_base_of_v<jsi::HostObject, T>>> {
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static jsi::Value toJs(
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jsi::Runtime &rt,
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const std::shared_ptr<T> &ptr,
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const std::shared_ptr<CallInvoker> &jsInvoker) {
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if (ptr) {
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return bridging::toJs(rt, *ptr, jsInvoker);
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}
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return jsi::Value::null();
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}
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};
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template <typename T>
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struct Bridging<std::unique_ptr<T>> {
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static jsi::Value toJs(
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jsi::Runtime &rt,
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const std::unique_ptr<T> &ptr,
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const std::shared_ptr<CallInvoker> &jsInvoker) {
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if (ptr) {
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return bridging::toJs(rt, *ptr, jsInvoker);
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}
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return jsi::Value::null();
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}
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};
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template <typename T>
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struct Bridging<std::weak_ptr<T>> {
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static jsi::Value toJs(
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jsi::Runtime &rt,
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const std::weak_ptr<T> &weakPtr,
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const std::shared_ptr<CallInvoker> &jsInvoker) {
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if (auto ptr = weakPtr.lock()) {
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return bridging::toJs(rt, *ptr, jsInvoker);
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}
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return jsi::Value::null();
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}
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};
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} // namespace facebook::react
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