77 lines
2.1 KiB
C++
77 lines
2.1 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#include "MethodCall.h"
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#include <folly/json.h>
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#include <stdexcept>
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namespace facebook {
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namespace react {
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#define REQUEST_MODULE_IDS 0
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#define REQUEST_METHOD_IDS 1
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#define REQUEST_PARAMSS 2
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#define REQUEST_CALLID 3
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std::vector<MethodCall> parseMethodCalls(folly::dynamic&& jsonData) throw(std::invalid_argument) {
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if (jsonData.isNull()) {
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return {};
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}
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if (!jsonData.isArray()) {
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throw std::invalid_argument(
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folly::to<std::string>("Did not get valid calls back from JS: ", jsonData.typeName()));
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}
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if (jsonData.size() < REQUEST_PARAMSS + 1) {
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throw std::invalid_argument(
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folly::to<std::string>("Did not get valid calls back from JS: size == ", jsonData.size()));
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}
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auto& moduleIds = jsonData[REQUEST_MODULE_IDS];
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auto& methodIds = jsonData[REQUEST_METHOD_IDS];
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auto& params = jsonData[REQUEST_PARAMSS];
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int callId = -1;
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if (!moduleIds.isArray() || !methodIds.isArray() || !params.isArray()) {
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throw std::invalid_argument(
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folly::to<std::string>("Did not get valid calls back from JS: ", folly::toJson(jsonData)));
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}
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if (moduleIds.size() != methodIds.size() || moduleIds.size() != params.size()) {
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throw std::invalid_argument(
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folly::to<std::string>("Did not get valid calls back from JS: ", folly::toJson(jsonData)));
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}
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if (jsonData.size() > REQUEST_CALLID) {
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if (!jsonData[REQUEST_CALLID].isInt()) {
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throw std::invalid_argument(
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folly::to<std::string>("Did not get valid calls back from JS: %s", folly::toJson(jsonData)));
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} else {
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callId = jsonData[REQUEST_CALLID].getInt();
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}
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}
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std::vector<MethodCall> methodCalls;
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for (size_t i = 0; i < moduleIds.size(); i++) {
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if (!params[i].isArray()) {
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throw std::invalid_argument(
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folly::to<std::string>("Call argument isn't an array"));
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}
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methodCalls.emplace_back(
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moduleIds[i].getInt(),
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methodIds[i].getInt(),
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std::move(params[i]),
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callId);
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// only incremement callid if contains valid callid as callid is optional
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callId += (callId != -1) ? 1 : 0;
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}
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return methodCalls;
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}
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}}
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