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  • Committer: Thomas-Karl Pietrowski
  • Date: 2015-08-15 15:59:50 UTC
  • Revision ID: thopiekar@googlemail.com-20150815155950-j66qn38efmvn289t
syncing with "changes 15.13.0 (11)"  #9a0aca7e3a21d768491b141a8ae86ef0c3fbc227
* https://github.com/openSUSE/libzypp/commit/9a0aca7e3a21d768491b141a8ae86ef0c3fbc227

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zypp/TriBool.h
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#define ZYPP_TRIBOOL_H
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#include <iosfwd>
 
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#include <string>
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#include <boost/logic/tribool.hpp>
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///////////////////////////////////////////////////////////////////
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  using   boost::logic::tribool;
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  using   boost::logic::indeterminate;
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  inline std::string asString( const TriBool & val_r, const std::string & istr_r = std::string(),
 
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                                                      const std::string & tstr_r = std::string(),
 
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                                                      const std::string & fstr_r = std::string() )
 
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  {
 
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    std::string ret;
 
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    if (indeterminate(val_r))
 
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      ret = ( istr_r.empty() ? "indeterminate" : istr_r );
 
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    else if (val_r)
 
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      ret = ( tstr_r.empty() ? "true" : tstr_r );
 
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    else
 
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      ret = ( fstr_r.empty() ? "false" : fstr_r );
 
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    return ret;
 
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  }
 
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  /////////////////////////////////////////////////////////////////
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} // namespace zypp
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///////////////////////////////////////////////////////////////////
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    {
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      /** \relates TriBool stream output */
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      inline std::ostream & operator<<(std::ostream & s, const tribool & obj)
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      {
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        if (indeterminate(obj))
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          s << "indeterminate";
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        else if (obj)
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          s << "true";
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        else
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          s << "false";
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        return s;
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      }
 
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      { return s << zypp::asString( obj ); }
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    }
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}
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#endif // ZYPP_TRIBOOL_H