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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/react-native/ReactCommon/cxxreact

Просмотр файла: MethodCall.cpp

/*
 * 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 "MethodCall.h"

#ifndef RCT_FIT_RM_OLD_RUNTIME

#include <folly/json.h>
#include <stdexcept>

namespace facebook::react {

#define REQUEST_MODULE_IDS 0
#define REQUEST_METHOD_IDS 1
#define REQUEST_PARAMS 2
#define REQUEST_CALLID 3

static const char* errorPrefix = "Malformed calls from JS: ";

std::vector<MethodCall> parseMethodCalls(folly::dynamic&& jsonData) {
  if (jsonData.isNull()) {
    return {};
  }

  if (!jsonData.isArray()) {
    throw std::invalid_argument(
        std::string(errorPrefix) + " input isn't array but " +
        jsonData.typeName());
  }

  if (jsonData.size() < REQUEST_PARAMS + 1) {
    throw std::invalid_argument(
        std::string(errorPrefix) +
        "size == " + std::to_string(jsonData.size()));
  }

  auto& moduleIds = jsonData[REQUEST_MODULE_IDS];
  auto& methodIds = jsonData[REQUEST_METHOD_IDS];
  auto& params = jsonData[REQUEST_PARAMS];
  int callId = -1;

  if (!moduleIds.isArray() || !methodIds.isArray() || !params.isArray()) {
    throw std::invalid_argument(
        std::string(errorPrefix) + "not all fields are arrays.\n\n" +
        folly::toJson(jsonData));
  }

  if (moduleIds.size() != methodIds.size() ||
      moduleIds.size() != params.size()) {
    throw std::invalid_argument(
        std::string(errorPrefix) + "field sizes are different.\n\n" +
        folly::toJson(jsonData));
  }

  if (jsonData.size() > REQUEST_CALLID) {
    if (!jsonData[REQUEST_CALLID].isNumber()) {
      throw std::invalid_argument(
          std::string(errorPrefix) + "invalid callId" +
          jsonData[REQUEST_CALLID].typeName());
    }
    callId = (int)jsonData[REQUEST_CALLID].asInt();
  }

  std::vector<MethodCall> methodCalls;
  for (size_t i = 0; i < moduleIds.size(); i++) {
    if (!params[i].isArray()) {
      throw std::invalid_argument(
          std::string(errorPrefix) + "method arguments isn't array but " +
          params[i].typeName());
    }

    methodCalls.emplace_back(
        static_cast<int>(moduleIds[i].asInt()),
        static_cast<int>(methodIds[i].asInt()),
        std::move(params[i]),
        callId);

    // only increment callid if contains valid callid as callid is optional
    callId += (callId != -1) ? 1 : 0;
  }

  return methodCalls;
}

} // namespace facebook::react

#endif // RCT_FIT_RM_OLD_RUNTIME

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