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// Copyright (c) ONNX Project Contributors
/*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <memory>
#include <ostream>
#include <string>
#include <utility>
namespace ONNX_NAMESPACE {
namespace Common {
enum StatusCategory {
NONE = 0,
CHECKER = 1,
OPTIMIZER = 2,
};
enum StatusCode {
OK = 0,
FAIL = 1,
INVALID_ARGUMENT = 2,
INVALID_PROTOBUF = 3,
};
class Status {
public:
Status() noexcept {}
Status(StatusCategory category, int code, const std::string& msg);
Status(StatusCategory category, int code);
Status(const Status& other) {
*this = other;
}
void operator=(const Status& other) {
if (&other != this) {
if (nullptr == other.state_) {
state_.reset();
} else if (state_ != other.state_) {
state_.reset(new State(*other.state_));
}
}
}
Status(Status&&) = default;
Status& operator=(Status&&) = default;
~Status() = default;
bool IsOK() const noexcept;
int Code() const noexcept;
StatusCategory Category() const noexcept;
const std::string& ErrorMessage() const;
std::string ToString() const;
bool operator==(const Status& other) const {
return (this->state_ == other.state_) || (ToString() == other.ToString());
}
bool operator!=(const Status& other) const {
return !(*this == other);
}
static const Status& OK() noexcept;
private:
struct State {
State(StatusCategory cat_, int code_, std::string msg_) : category(cat_), code(code_), msg(std::move(msg_)) {}
StatusCategory category = StatusCategory::NONE;
int code = 0;
std::string msg;
};
static const std::string& EmptyString();
// state_ == nullptr when if status code is OK.
std::unique_ptr<State> state_;
};
inline std::ostream& operator<<(std::ostream& out, const Status& status) {
return out << status.ToString();
}
} // namespace Common
} // namespace ONNX_NAMESPACE
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