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#pragma once
#include <unordered_map>
#include <unordered_set>
#include <google/protobuf/message.h>
#include <util/stream/output.h>
struct TJsonSettings {
using TMapperKey = const ::google::protobuf::FieldDescriptor*;
using TMapperValue = std::function<void(IOutputStream&, const ::google::protobuf::Message&, const TJsonSettings&)>;
using TNameGenerator = std::function<TString(const google::protobuf::FieldDescriptor&)>;
bool UI64AsString = true; // JavaScript could not handle large numbers (bigger than 2^53)
bool EnumAsNumbers = true;
bool EmptyRepeated = false;
TString NaN = "null";
std::unordered_map<TMapperKey, TMapperValue> FieldRemapper;
TNameGenerator NameGenerator = {};
};
class TProtoToJson {
public:
static void EscapeJsonString(IOutputStream& os, const TString& s);
static TString EscapeJsonString(const TString& s);
static void ProtoToJson(IOutputStream& to, const ::google::protobuf::Message& protoFrom, const TJsonSettings& jsonSettings = TJsonSettings());
static void ProtoToJsonInline(IOutputStream& to, const ::google::protobuf::Message& protoFrom, const TJsonSettings& jsonSettings = TJsonSettings());
static void ProtoToJsonSchema(IOutputStream& to, const TJsonSettings& jsonSettings, const ::google::protobuf::Descriptor* descriptor);
static void ProtoToJson(IOutputStream& to, const ::google::protobuf::EnumValueDescriptor* descriptor, const TJsonSettings& jsonSettings = TJsonSettings());
template <typename ProtoType>
static void ProtoToJsonSchema(IOutputStream& to, const TJsonSettings& jsonSettings = TJsonSettings()) {
ProtoToJsonSchema(to, jsonSettings, ProtoType::descriptor());
}
protected:
static void ProtoToJsonSchema(IOutputStream& to, const TJsonSettings& jsonSettings, const ::google::protobuf::Descriptor* descriptor, std::unordered_set<const ::google::protobuf::Descriptor*>& descriptors);
};
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