/* * libjingle * Copyright 2008, Google Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef TALK_BASE_OPTIONSFILE_H_ #define TALK_BASE_OPTIONSFILE_H_ #include <map> #include <string> namespace talk_base { // Implements storage of simple options in a text file on disk. This is // cross-platform, but it is intended mostly for Linux where there is no // first-class options storage system. class OptionsFile { public: OptionsFile(const std::string &path); // Loads the file from disk, overwriting the in-memory values. bool Load(); // Saves the contents in memory, overwriting the on-disk values. bool Save(); bool GetStringValue(const std::string& option, std::string* out_val) const; bool GetIntValue(const std::string& option, int* out_val) const; bool SetStringValue(const std::string& option, const std::string& val); bool SetIntValue(const std::string& option, int val); bool RemoveValue(const std::string& option); private: typedef std::map<std::string, std::string> OptionsMap; static bool IsLegalName(const std::string &name); static bool IsLegalValue(const std::string &value); std::string path_; OptionsMap options_; }; } // namespace talk_base #endif // TALK_BASE_OPTIONSFILE_H_