Exception.cc

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00001 /*---------------------------------------------------------------------\
00002 |                          ____ _   __ __ ___                          |
00003 |                         |__  / \ / / . \ . \                         |
00004 |                           / / \ V /|  _/  _/                         |
00005 |                          / /__ | | | | | |                           |
00006 |                         /_____||_| |_| |_|                           |
00007 |                                                                      |
00008 \---------------------------------------------------------------------*/
00012 #include <iostream>
00013 #include <sstream>
00014 
00015 #include "zypp/base/Logger.h"
00016 #include "zypp/base/Gettext.h"
00017 #include "zypp/base/String.h"
00018 #include "zypp/base/Exception.h"
00019 
00020 using std::endl;
00021 
00023 namespace zypp
00024 { 
00025 
00026   namespace exception_detail
00027   { 
00028 
00029     std::string CodeLocation::asString() const
00030     {
00031       return str::form( "%s(%s):%u",
00032                         _file.c_str(),
00033                         _func.c_str(),
00034                         _line );
00035     }
00036 
00037     std::ostream & operator<<( std::ostream & str, const CodeLocation & obj )
00038     { return str << obj.asString(); }
00039 
00041   } // namespace exception_detail
00043 
00044   Exception::Exception()
00045   {}
00046 
00047   Exception::Exception( const std::string & msg_r )
00048   : _msg( msg_r )
00049   {}
00050 
00051   Exception::~Exception() throw()
00052   {}
00053 
00054   std::string Exception::asString() const
00055   {
00056     std::ostringstream str;
00057     dumpOn( str );
00058     return str.str();
00059   }
00060 
00061   std::string Exception::asUserString() const
00062   {
00063     std::ostringstream str;
00064     dumpOn( str );
00065     // call gettext to translate the message. This will
00066     // not work if dumpOn() uses composed messages.
00067     return _(str.str().c_str());
00068   }
00069 
00070 
00071   std::ostream & Exception::dumpOn( std::ostream & str ) const
00072   { return str << _msg; }
00073 
00074   std::ostream & Exception::dumpError( std::ostream & str ) const
00075   { return dumpOn( str << _where << ": " ); }
00076 
00077   std::ostream & operator<<( std::ostream & str, const Exception & obj )
00078   { return obj.dumpError( str ); }
00079 
00080 
00081   std::string Exception::strErrno( int errno_r )
00082   { return str::strerror( errno_r ); }
00083 
00084   std::string Exception::strErrno( int errno_r, const std::string & msg_r )
00085   {
00086     std::string ret( msg_r );
00087     ret += ": ";
00088     return ret += strErrno( errno_r );
00089   }
00090 
00091   void Exception::log( const Exception & excpt_r, const CodeLocation & where_r,
00092                        const char *const prefix_r )
00093   {
00094     INT << where_r << " " << prefix_r << " " << excpt_r << endl;
00095   }
00096 
00098 } // namespace zypp

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