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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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29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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
43#include "base/logging.h"
44
45using std::initializer_list;
46using std::map;
47using std::vector;
48
49namespace grpc_ruby_generator {
50
51// Converts an initializer list of the form { key0, value0, key1, value1, ... }
52// into a map of key* to value*. Is merely a readability helper for later code.
53inline map<string, string> ListToDict(const initializer_list<string>& values) {
54 if (values.size() % 2 != 0) {
55 LOG(FATAL) << "Not every 'key' has a value in `values`.";
56 }
57 map<string, string> value_map;
58 auto value_iter = values.begin();
59 for (int i = 0; i < values.size()/2; ++i) {
60 string key = *value_iter;
61 ++value_iter;
62 string value = *value_iter;
63 value_map[key] = value;
64 ++value_iter;
65 }
66 return value_map;
67}
68
69} // namespace grpc_ruby_generator
70
71#endif // NET_GRPC_COMPILER_RUBY_GENERATOR_MAP_INL_H_