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#pragma once
#include <util/generic/ptr.h>
#include <util/generic/strbuf.h>
namespace NProtobufJson {
class IJsonOutput {
public:
template <typename T>
IJsonOutput& Write(const T& t) {
DoWrite(t);
return *this;
}
IJsonOutput& WriteNull() {
DoWriteNull();
return *this;
}
IJsonOutput& BeginList() {
DoBeginList();
return *this;
}
IJsonOutput& EndList() {
DoEndList();
return *this;
}
IJsonOutput& BeginObject() {
DoBeginObject();
return *this;
}
IJsonOutput& WriteKey(const TStringBuf& key) {
DoWriteKey(key);
return *this;
}
IJsonOutput& EndObject() {
DoEndObject();
return *this;
}
IJsonOutput& WriteRawJson(const TStringBuf& str) {
DoWriteRawJson(str);
return *this;
}
virtual ~IJsonOutput() {
}
protected:
virtual void DoWrite(const TStringBuf& s) = 0;
virtual void DoWrite(const TString& s) = 0;
virtual void DoWrite(int i) = 0;
void DoWrite(long i) {
DoWrite(static_cast<long long>(i));
}
virtual void DoWrite(long long i) = 0;
virtual void DoWrite(unsigned int i) = 0;
void DoWrite(unsigned long i) {
DoWrite(static_cast<unsigned long long>(i));
}
virtual void DoWrite(unsigned long long i) = 0;
virtual void DoWrite(float f) = 0;
virtual void DoWrite(double f) = 0;
virtual void DoWrite(bool b) = 0;
virtual void DoWriteNull() = 0;
virtual void DoBeginList() = 0;
virtual void DoEndList() = 0;
virtual void DoBeginObject() = 0;
virtual void DoWriteKey(const TStringBuf& key) = 0;
virtual void DoEndObject() = 0;
virtual void DoWriteRawJson(const TStringBuf& str) = 0;
};
using TJsonMapOutputPtr = THolder<IJsonOutput>;
}
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