webrtc/talk/base/optionsfile.h
henrike@webrtc.org 28e2075280 Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
2013-07-10 00:45:36 +00:00

67 lines
2.5 KiB
C++

/*
* 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_