1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
7 // met:
8 //
9 // * Redistributions of source code must retain the above copyright
10 // notice, this list of conditions and the following disclaimer.
11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
14 // distribution.
15 // * Neither the name of Google Inc. nor the names of its
16 // contributors may be used to endorse or promote products derived from
17 // this software without specific prior written permission.
18 //
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #include <google/protobuf/stubs/status.h>
31
32 #include <ostream>
33 #include <stdio.h>
34 #include <string>
35 #include <utility>
36
37 namespace google {
38 namespace protobuf {
39 namespace util {
40 namespace error {
CodeEnumToString(error::Code code)41 inline string CodeEnumToString(error::Code code) {
42 switch (code) {
43 case OK:
44 return "OK";
45 case CANCELLED:
46 return "CANCELLED";
47 case UNKNOWN:
48 return "UNKNOWN";
49 case INVALID_ARGUMENT:
50 return "INVALID_ARGUMENT";
51 case DEADLINE_EXCEEDED:
52 return "DEADLINE_EXCEEDED";
53 case NOT_FOUND:
54 return "NOT_FOUND";
55 case ALREADY_EXISTS:
56 return "ALREADY_EXISTS";
57 case PERMISSION_DENIED:
58 return "PERMISSION_DENIED";
59 case UNAUTHENTICATED:
60 return "UNAUTHENTICATED";
61 case RESOURCE_EXHAUSTED:
62 return "RESOURCE_EXHAUSTED";
63 case FAILED_PRECONDITION:
64 return "FAILED_PRECONDITION";
65 case ABORTED:
66 return "ABORTED";
67 case OUT_OF_RANGE:
68 return "OUT_OF_RANGE";
69 case UNIMPLEMENTED:
70 return "UNIMPLEMENTED";
71 case INTERNAL:
72 return "INTERNAL";
73 case UNAVAILABLE:
74 return "UNAVAILABLE";
75 case DATA_LOSS:
76 return "DATA_LOSS";
77 }
78
79 // No default clause, clang will abort if a code is missing from
80 // above switch.
81 return "UNKNOWN";
82 }
83 } // namespace error.
84
85 const Status Status::OK = Status();
86 const Status Status::CANCELLED = Status(error::CANCELLED, "");
87 const Status Status::UNKNOWN = Status(error::UNKNOWN, "");
88
Status()89 Status::Status() : error_code_(error::OK) {
90 }
91
Status(error::Code error_code,StringPiece error_message)92 Status::Status(error::Code error_code, StringPiece error_message)
93 : error_code_(error_code) {
94 if (error_code != error::OK) {
95 error_message_ = error_message.ToString();
96 }
97 }
98
Status(const Status & other)99 Status::Status(const Status& other)
100 : error_code_(other.error_code_), error_message_(other.error_message_) {
101 }
102
operator =(const Status & other)103 Status& Status::operator=(const Status& other) {
104 error_code_ = other.error_code_;
105 error_message_ = other.error_message_;
106 return *this;
107 }
108
operator ==(const Status & x) const109 bool Status::operator==(const Status& x) const {
110 return error_code_ == x.error_code_ &&
111 error_message_ == x.error_message_;
112 }
113
ToString() const114 string Status::ToString() const {
115 if (error_code_ == error::OK) {
116 return "OK";
117 } else {
118 if (error_message_.empty()) {
119 return error::CodeEnumToString(error_code_);
120 } else {
121 return error::CodeEnumToString(error_code_) + ":" +
122 error_message_;
123 }
124 }
125 }
126
operator <<(ostream & os,const Status & x)127 ostream& operator<<(ostream& os, const Status& x) {
128 os << x.ToString();
129 return os;
130 }
131
132 } // namespace util
133 } // namespace protobuf
134 } // namespace google
135