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 31 #ifndef GOOGLE_PROTOBUF_GENERATED_ENUM_UTIL_H__ 32 #define GOOGLE_PROTOBUF_GENERATED_ENUM_UTIL_H__ 33 34 #include <type_traits> 35 36 #include <google/protobuf/message_lite.h> 37 #include <google/protobuf/stubs/strutil.h> 38 39 #include <google/protobuf/port_def.inc> 40 41 #ifdef SWIG 42 #error "You cannot SWIG proto headers" 43 #endif 44 45 namespace google { 46 namespace protobuf { 47 48 // This type trait can be used to cause templates to only match proto2 enum 49 // types. 50 template <typename T> 51 struct is_proto_enum : ::std::false_type {}; 52 53 namespace internal { 54 55 // The table entry format for storing enum name-to-value mapping used with lite 56 // protos. This struct and the following related functions should only be used 57 // by protobuf generated code. 58 struct EnumEntry { 59 StringPiece name; 60 int value; 61 }; 62 63 // Looks up a numeric enum value given the string name. 64 PROTOBUF_EXPORT bool LookUpEnumValue(const EnumEntry* enums, size_t size, 65 StringPiece name, int* value); 66 67 // Looks up an enum name given the numeric value. 68 PROTOBUF_EXPORT int LookUpEnumName(const EnumEntry* enums, 69 const int* sorted_indices, size_t size, 70 int value); 71 72 // Initializes the list of enum names in std::string form. 73 PROTOBUF_EXPORT bool InitializeEnumStrings( 74 const EnumEntry* enums, const int* sorted_indices, size_t size, 75 internal::ExplicitlyConstructed<std::string>* enum_strings); 76 77 } // namespace internal 78 } // namespace protobuf 79 } // namespace google 80 81 #include <google/protobuf/port_undef.inc> 82 83 #endif // GOOGLE_PROTOBUF_GENERATED_ENUM_UTIL_H__ 84