LogTools.h

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#ifndef ZYPP_BASE_LOGTOOLS_H
#define ZYPP_BASE_LOGTOOLS_H

#include <iostream>
#include <string>
#include <vector>
#include <list>
#include <set>
#include "zypp/base/Logger.h"

namespace zypp
{ 

  template<class _Iterator>
    std::ostream & dumpRange( std::ostream & str,
                              _Iterator begin, _Iterator end,
                              const std::string & intro = "{",
                              const std::string & pfx   = "\n  ",
                              const std::string & sep   = "\n  ",
                              const std::string & sfx   = "\n",
                              const std::string & extro = "}" )
    {
      str << intro;
      if ( begin != end )
        {
          str << pfx << *begin;
          for (  ++begin; begin != end; ++begin )
            str << sep << *begin;
          str << sfx;
        }
      return str << extro;
    }

  template<class _Iterator>
    std::ostream & dumpRangeLine( std::ostream & str,
                                  _Iterator begin, _Iterator end )
    { return dumpRange( str, begin, end, "(", "", ", ", "", ")" ); }

  template<class _Tp>
    std::ostream & operator<<( std::ostream & str, const std::vector<_Tp> & obj )
    { return dumpRange( str, obj.begin(), obj.end() ); }

  template<class _Tp>
    std::ostream & operator<<( std::ostream & str, const std::set<_Tp> & obj )
    { return dumpRange( str, obj.begin(), obj.end() ); }

  template<class _Tp>
    std::ostream & operator<<( std::ostream & str, const std::list<_Tp> & obj )
    { return dumpRange( str, obj.begin(), obj.end() ); }

  inline std::ostream & operator<<( std::ostream & str, const std::basic_ios<char> & obj )
  {
    std::string ret( "[" );
    ret += ( obj.good() ? 'g' : '_' );
    ret += ( obj.eof()  ? 'e' : '_' );
    ret += ( obj.fail() ? 'F' : '_' );
    ret += ( obj.bad()  ? 'B' : '_' );
    ret += "]";
    return str << ret;
  }

} // namespace zypp
#endif // ZYPP_BASE_LOGTOOLS_H

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