1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef ASH_DISPLAY_DISPLAY_PREF_UTIL_H 6 #define ASH_DISPLAY_DISPLAY_PREF_UTIL_H 7 8 #include <map> 9 #include <string> 10 11 #include "base/strings/string_piece.h" 12 13 namespace ash { 14 15 // Utility templates to create enum to string map and 16 // a function to find an enum value from a string. 17 template<typename T> 18 std::map<T, std::string>* CreateToStringMap(T k1, const std::string& v1, 19 T k2, const std::string& v2, 20 T k3, const std::string& v3, 21 T k4, const std::string& v4) { 22 std::map<T, std::string>* map = new std::map<T, std::string>(); 23 (*map)[k1] = v1; 24 (*map)[k2] = v2; 25 (*map)[k3] = v3; 26 (*map)[k4] = v4; 27 return map; 28 } 29 30 template<typename T> 31 std::map<T, std::string>* CreateToStringMap(T k1, const std::string& v1, 32 T k2, const std::string& v2, 33 T k3, const std::string& v3) { 34 std::map<T, std::string>* map = new std::map<T, std::string>(); 35 (*map)[k1] = v1; 36 (*map)[k2] = v2; 37 (*map)[k3] = v3; 38 return map; 39 } 40 41 template<typename T> 42 bool ReverseFind(const std::map<T, std::string>* map, 43 const base::StringPiece& value, 44 T* key) { 45 typename std::map<T, std::string>::const_iterator iter = map->begin(); 46 for (; 47 iter != map->end(); 48 ++iter) { 49 if (iter->second == value) { 50 *key = iter->first; 51 return true; 52 } 53 } 54 return false; 55 } 56 57 } // namespace ash 58 59 #endif // ASH_DISPLAY_DISPLAY_PREF_UTIL_H 60
