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nnobleebebb7e2014-12-10 16:31:01 -08001/*
2 *
3 * Copyright 2014, Google Inc.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are
8 * met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * * Redistributions in binary form must reproduce the above
13 * copyright notice, this list of conditions and the following disclaimer
14 * in the documentation and/or other materials provided with the
15 * distribution.
16 * * Neither the name of Google Inc. nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
33
34#ifndef NET_GRPC_COMPILER_RUBY_GENERATOR_MAP_INL_H_
35#define NET_GRPC_COMPILER_RUBY_GENERATOR_MAP_INL_H_
36
37#include <initializer_list>
38#include <map>
39#include <ostream> // NOLINT
40#include <string>
41#include <vector>
42
nnobleebebb7e2014-12-10 16:31:01 -080043using std::initializer_list;
44using std::map;
45using std::vector;
46
47namespace grpc_ruby_generator {
48
49// Converts an initializer list of the form { key0, value0, key1, value1, ... }
50// into a map of key* to value*. Is merely a readability helper for later code.
51inline map<string, string> ListToDict(const initializer_list<string>& values) {
52 if (values.size() % 2 != 0) {
Craig Tillerb5dcec52015-01-13 11:13:42 -080053 // MOE: insert std::cerr << "Not every 'key' has a value in `values`."
54 // << std::endl;
nnobleebebb7e2014-12-10 16:31:01 -080055 }
56 map<string, string> value_map;
57 auto value_iter = values.begin();
Craig Tillerb5dcec52015-01-13 11:13:42 -080058 for (unsigned i = 0; i < values.size() / 2; ++i) {
nnobleebebb7e2014-12-10 16:31:01 -080059 string key = *value_iter;
60 ++value_iter;
61 string value = *value_iter;
62 value_map[key] = value;
63 ++value_iter;
64 }
65 return value_map;
66}
67
68} // namespace grpc_ruby_generator
69
70#endif // NET_GRPC_COMPILER_RUBY_GENERATOR_MAP_INL_H_