third_party/protobuf/src/google/protobuf/stubs/status.cc

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// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc.  All rights reserved.
// https://developers.google.com/protocol-buffers/
//
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// modification, are permitted provided that the following conditions are
// met:
//
//     * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
//     * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include <google/protobuf/stubs/status.h>
 
#include <ostream>
#include <stdio.h>
#include <string>
#include <utility>
 
namespace google {
namespace protobuf {
namespace util {
namespace status_internal {
namespace {
 
inline std::string StatusCodeToString(StatusCode code) {
  switch (code) {
    case StatusCode::kOk:
      return "OK";
    case StatusCode::kCancelled:
      return "CANCELLED";
    case StatusCode::kUnknown:
      return "UNKNOWN";
    case StatusCode::kInvalidArgument:
      return "INVALID_ARGUMENT";
    case StatusCode::kDeadlineExceeded:
      return "DEADLINE_EXCEEDED";
    case StatusCode::kNotFound:
      return "NOT_FOUND";
    case StatusCode::kAlreadyExists:
      return "ALREADY_EXISTS";
    case StatusCode::kPermissionDenied:
      return "PERMISSION_DENIED";
    case StatusCode::kUnauthenticated:
      return "UNAUTHENTICATED";
    case StatusCode::kResourceExhausted:
      return "RESOURCE_EXHAUSTED";
    case StatusCode::kFailedPrecondition:
      return "FAILED_PRECONDITION";
    case StatusCode::kAborted:
      return "ABORTED";
    case StatusCode::kOutOfRange:
      return "OUT_OF_RANGE";
    case StatusCode::kUnimplemented:
      return "UNIMPLEMENTED";
    case StatusCode::kInternal:
      return "INTERNAL";
    case StatusCode::kUnavailable:
      return "UNAVAILABLE";
    case StatusCode::kDataLoss:
      return "DATA_LOSS";
  }
 
  // No default clause, clang will abort if a code is missing from
  // above switch.
  return "UNKNOWN";
}
 
}  // namespace
 
Status::Status() : error_code_(StatusCode::kOk) {}
 
Status::Status(StatusCode error_code, StringPiece error_message)
    : error_code_(error_code) {
  if (error_code != StatusCode::kOk) {
    error_message_ = error_message.ToString();
  }
}
 
Status::Status(const Status& other)
    : error_code_(other.error_code_), error_message_(other.error_message_) {
}
 
Status& Status::operator=(const Status& other) {
  error_code_ = other.error_code_;
  error_message_ = other.error_message_;
  return *this;
}
 
bool Status::operator==(const Status& x) const {
  return error_code_ == x.error_code_ &&
      error_message_ == x.error_message_;
}
 
std::string Status::ToString() const {
  if (error_code_ == StatusCode::kOk) {
    return "OK";
  } else {
    if (error_message_.empty()) {
      return StatusCodeToString(error_code_);
    } else {
      return StatusCodeToString(error_code_) + ":" + error_message_;
    }
  }
}
 
Status OkStatus() { return Status(); }
 
std::ostream& operator<<(std::ostream& os, const Status& x) {
  os << x.ToString();
  return os;
}
 
bool IsAborted(const Status& status) {
  return status.code() == StatusCode::kAborted;
}
 
bool IsAlreadyExists(const Status& status) {
  return status.code() == StatusCode::kAlreadyExists;
}
 
bool IsCancelled(const Status& status) {
  return status.code() == StatusCode::kCancelled;
}
 
bool IsDataLoss(const Status& status) {
  return status.code() == StatusCode::kDataLoss;
}
 
bool IsDeadlineExceeded(const Status& status) {
  return status.code() == StatusCode::kDeadlineExceeded;
}
 
bool IsFailedPrecondition(const Status& status) {
  return status.code() == StatusCode::kFailedPrecondition;
}
 
bool IsInternal(const Status& status) {
  return status.code() == StatusCode::kInternal;
}
 
bool IsInvalidArgument(const Status& status) {
  return status.code() == StatusCode::kInvalidArgument;
}
 
bool IsNotFound(const Status& status) {
  return status.code() == StatusCode::kNotFound;
}
 
bool IsOutOfRange(const Status& status) {
  return status.code() == StatusCode::kOutOfRange;
}
 
bool IsPermissionDenied(const Status& status) {
  return status.code() == StatusCode::kPermissionDenied;
}
 
bool IsResourceExhausted(const Status& status) {
  return status.code() == StatusCode::kResourceExhausted;
}
 
bool IsUnauthenticated(const Status& status) {
  return status.code() == StatusCode::kUnauthenticated;
}
 
bool IsUnavailable(const Status& status) {
  return status.code() == StatusCode::kUnavailable;
}
 
bool IsUnimplemented(const Status& status) {
  return status.code() == StatusCode::kUnimplemented;
}
 
bool IsUnknown(const Status& status) {
  return status.code() == StatusCode::kUnknown;
}
 
Status AbortedError(StringPiece message) {
  return Status(StatusCode::kAborted, message);
}
 
Status AlreadyExistsError(StringPiece message) {
  return Status(StatusCode::kAlreadyExists, message);
}
 
Status CancelledError(StringPiece message) {
  return Status(StatusCode::kCancelled, message);
}
 
Status DataLossError(StringPiece message) {
  return Status(StatusCode::kDataLoss, message);
}
 
Status DeadlineExceededError(StringPiece message) {
  return Status(StatusCode::kDeadlineExceeded, message);
}
 
Status FailedPreconditionError(StringPiece message) {
  return Status(StatusCode::kFailedPrecondition, message);
}
 
Status InternalError(StringPiece message) {
  return Status(StatusCode::kInternal, message);
}
 
Status InvalidArgumentError(StringPiece message) {
  return Status(StatusCode::kInvalidArgument, message);
}
 
Status NotFoundError(StringPiece message) {
  return Status(StatusCode::kNotFound, message);
}
 
Status OutOfRangeError(StringPiece message) {
  return Status(StatusCode::kOutOfRange, message);
}
 
Status PermissionDeniedError(StringPiece message) {
  return Status(StatusCode::kPermissionDenied, message);
}
 
Status ResourceExhaustedError(StringPiece message) {
  return Status(StatusCode::kResourceExhausted, message);
}
 
Status UnauthenticatedError(StringPiece message) {
  return Status(StatusCode::kUnauthenticated, message);
}
 
Status UnavailableError(StringPiece message) {
  return Status(StatusCode::kUnavailable, message);
}
 
Status UnimplementedError(StringPiece message) {
  return Status(StatusCode::kUnimplemented, message);
}
 
Status UnknownError(StringPiece message) {
  return Status(StatusCode::kUnknown, message);
}
 
}  // namespace status_internal
}  // namespace util
}  // namespace protobuf
}  // namespace google