1 /* 2 * libjingle 3 * Copyright 2008, Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef TALK_BASE_OPTIONSFILE_H_ 29 #define TALK_BASE_OPTIONSFILE_H_ 30 31 #include <map> 32 #include <string> 33 34 namespace talk_base { 35 36 // Implements storage of simple options in a text file on disk. This is 37 // cross-platform, but it is intended mostly for Linux where there is no 38 // first-class options storage system. 39 class OptionsFile { 40 public: 41 OptionsFile(const std::string &path); 42 43 // Loads the file from disk, overwriting the in-memory values. 44 bool Load(); 45 // Saves the contents in memory, overwriting the on-disk values. 46 bool Save(); 47 48 bool GetStringValue(const std::string& option, std::string* out_val) const; 49 bool GetIntValue(const std::string& option, int* out_val) const; 50 bool SetStringValue(const std::string& option, const std::string& val); 51 bool SetIntValue(const std::string& option, int val); 52 bool RemoveValue(const std::string& option); 53 54 private: 55 typedef std::map<std::string, std::string> OptionsMap; 56 57 static bool IsLegalName(const std::string &name); 58 static bool IsLegalValue(const std::string &value); 59 60 std::string path_; 61 OptionsMap options_; 62 }; 63 64 } // namespace talk_base 65 66 #endif // TALK_BASE_OPTIONSFILE_H_ 67
