1 /* 2 * Copyright 2008 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef WEBRTC_BASE_OPTIONSFILE_H_ 12 #define WEBRTC_BASE_OPTIONSFILE_H_ 13 14 #include <map> 15 #include <string> 16 17 namespace rtc { 18 19 // Implements storage of simple options in a text file on disk. This is 20 // cross-platform, but it is intended mostly for Linux where there is no 21 // first-class options storage system. 22 class OptionsFile { 23 public: 24 OptionsFile(const std::string &path); 25 ~OptionsFile(); 26 27 // Loads the file from disk, overwriting the in-memory values. 28 bool Load(); 29 // Saves the contents in memory, overwriting the on-disk values. 30 bool Save(); 31 32 bool GetStringValue(const std::string& option, std::string* out_val) const; 33 bool GetIntValue(const std::string& option, int* out_val) const; 34 bool SetStringValue(const std::string& option, const std::string& val); 35 bool SetIntValue(const std::string& option, int val); 36 bool RemoveValue(const std::string& option); 37 38 private: 39 typedef std::map<std::string, std::string> OptionsMap; 40 41 static bool IsLegalName(const std::string &name); 42 static bool IsLegalValue(const std::string &value); 43 44 std::string path_; 45 OptionsMap options_; 46 }; 47 48 } // namespace rtc 49 50 #endif // WEBRTC_BASE_OPTIONSFILE_H_ 51