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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Helper functions that allow to map enum values to strings.
#ifndef REMOTING_BASE_NAME_VALUE_MAP_H_
#define REMOTING_BASE_NAME_VALUE_MAP_H_
#include <stddef.h>
#include <string_view>
#include "base/check_op.h"
namespace remoting {
template <typename T>
struct NameMapElement {
const T value;
const char* const name;
};
template <typename T, size_t N>
const char* ValueToNameUnchecked(const NameMapElement<T> (&map)[N], T value) {
for (const auto& entry : map) {
if (entry.value == value) {
return entry.name;
}
}
return nullptr;
}
template <typename T, size_t N>
const char* ValueToName(const NameMapElement<T> (&map)[N], T value) {
const char* result = ValueToNameUnchecked(map, value);
DCHECK_NE(nullptr, result);
return result;
}
template <typename T, size_t N>
bool NameToValue(const NameMapElement<T> (&map)[N],
std::string_view name,
T* result) {
for (const auto& entry : map) {
if (entry.name == name) {
*result = entry.value;
return true;
}
}
return false;
}
} // namespace remoting
#endif // REMOTING_BASE_NAME_VALUE_MAP_H_
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