1 /* 2 * 3 * Copyright 2015 gRPC authors. 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 */ 18 19 #ifndef GRPC_INTERNAL_COMPILER_RUBY_GENERATOR_MAP_INL_H 20 #define GRPC_INTERNAL_COMPILER_RUBY_GENERATOR_MAP_INL_H 21 22 #include "src/compiler/config.h" 23 24 #include <initializer_list> 25 #include <iostream> 26 #include <map> 27 #include <ostream> // NOLINT 28 #include <vector> 29 30 using std::initializer_list; 31 using std::map; 32 using std::vector; 33 34 namespace grpc_ruby_generator { 35 36 // Converts an initializer list of the form { key0, value0, key1, value1, ... } 37 // into a map of key* to value*. Is merely a readability helper for later code. 38 inline std::map<grpc::string, grpc::string> ListToDict( 39 const initializer_list<grpc::string>& values) { 40 if (values.size() % 2 != 0) { 41 std::cerr << "Not every 'key' has a value in `values`." << std::endl; 42 } 43 std::map<grpc::string, grpc::string> value_map; 44 auto value_iter = values.begin(); 45 for (unsigned i = 0; i < values.size() / 2; ++i) { 46 grpc::string key = *value_iter; 47 ++value_iter; 48 grpc::string value = *value_iter; 49 value_map[key] = value; 50 ++value_iter; 51 } 52 return value_map; 53 } 54 55 } // namespace grpc_ruby_generator 56 57 #endif // GRPC_INTERNAL_COMPILER_RUBY_GENERATOR_MAP_INL_H 58