Home | History | Annotate | Download | only in stubs 
      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 {
     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 
     89 Status::Status() : error_code_(error::OK) {
     90 }
     91 
     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 
     99 Status::Status(const Status& other)
    100     : error_code_(other.error_code_), error_message_(other.error_message_) {
    101 }
    102 
    103 Status& Status::operator=(const Status& other) {
    104   error_code_ = other.error_code_;
    105   error_message_ = other.error_message_;
    106   return *this;
    107 }
    108 
    109 bool Status::operator==(const Status& x) const {
    110   return error_code_ == x.error_code_ &&
    111       error_message_ == x.error_message_;
    112 }
    113 
    114 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 
    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