15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file.
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)//
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Helper functions that allow to map enum values to strings.
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
77dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include <stddef.h>
87dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch
97dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch#include "base/logging.h"
107dbb3d5cf0c15f500944d211057644d6a2f37371Ben Murdoch
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace remoting {
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace protocol {
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <typename T>
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct NameMapElement {
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  const T value;
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  const char* const name;
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)};
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <typename T, size_t N>
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const char* ValueToName(const NameMapElement<T> (&map)[N], T value) {
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  for (size_t i = 0; i < N; ++i) {
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    if (map[i].value == value)
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      return map[i].name;
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  }
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  NOTREACHED();
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return NULL;
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)template <typename T, size_t N>
315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)bool NameToValue(const NameMapElement<T> (&map)[N],
325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                 const std::string& name,
335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                 T* result) {
345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  for (size_t i = 0; i < N; ++i) {
355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    if (map[i].name == name) {
365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      *result = map[i].value;
375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)      return true;
385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)    }
395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  }
405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return false;
415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace protocol
445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace remoting
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