DwmCredenceKnownKeys.hh

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//===========================================================================
// @(#) $DwmPath$
//===========================================================================
//  Copyright (c) Daniel W. McRobb 2022
//  All rights reserved.
//
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//  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 names of the authors and copyright holders may not be used to
//     endorse or promote products derived from this software without
//     specific prior written permission.
//
//  IN NO EVENT SHALL DANIEL W. MCROBB BE LIABLE TO ANY PARTY FOR
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//  INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE,
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//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
 
#ifndef _DWMCREDENCEKNOWNKEYS_HH_
#define _DWMCREDENCEKNOWNKEYS_HH_
 
#include <iostream>
#include <map>
#include <string>
 
namespace Dwm {
 
  namespace Credence {
 
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    class KnownKeys
    {
    public:
      //----------------------------------------------------------------------
      //----------------------------------------------------------------------
      KnownKeys(const std::string & dirName = "~/.credence");
      
      //----------------------------------------------------------------------
      //----------------------------------------------------------------------
      std::string Find(const std::string & id) const;
      
      //----------------------------------------------------------------------
      //----------------------------------------------------------------------
      const std::map<std::string,std::string> & Keys() const;
      
    private:
      std::string                        _dirName;
      std::map<std::string,std::string>  _keys;
 
      bool LoadKeys();
      static bool ReadKey(std::istream & is,
                          std::pair<std::string,std::string> & key);
    };
    
    
  }  // namespace Credence
 
}  // namespace Dwm
 
#endif  // _DWMCREDENCEKNOWNKEYS_HH_