parsers.cc

// Copyright 2008 Michael Marsh, University of Maryland.
//
// This file is part of pydtn.
//
// pydtn is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// pydtn is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with pydtn.  If not, see <http://www.gnu.org/licenses/>.
//
// The views and conclusions contained in the software and documentation
// are those of the authors and should not be interpreted as representing
// official policies, either expressed or implied, of the University
// of Maryland.
//
// pydtn extends and embeds the Python interpreter, which is
// Copyright 2001-2006 Python Software Foundation, All Rights Reserved,
// and is released under the PSF License Agreement.
//
// RANLUX random number generation uses the Boost library,
// Copyright 1994-2006 by various authors (details in individual files),
// which is released under the Boost Software License, Version 1.0.

#include "simlpy/interpreter_defs.h"
#include "simlpy/interpreter_hooks.h"

#include "parsers.h"

#include "WrapNode.h"
#include "WrapLink.h"

#include "simlpy/SimulationException.h"

WrapNode*
parse_node( InterpreterItem o )
{
   if ( 0 == o )
   {
      PyErr_SetString(PyExc_ValueError,"null pointer");
      throw SimulationException( __FILE__ , __LINE__ );
   }
   ItemWrapper item = resolve_symbol(o);
   if ( 0 != item.type.find( "node" ) )
   {
      PyErr_SetString(PyExc_TypeError,"a node was expected");
      throw SimulationException( __FILE__ , __LINE__ );
   }
   return ((WrapNode*)(item.item));
}

WrapLink*
parse_link( InterpreterItem o )
{
   if ( 0 == o )
   {
      PyErr_SetString(PyExc_ValueError,"null pointer");
      throw SimulationException( __FILE__ , __LINE__ );
   }
   ItemWrapper item = resolve_symbol(o);
   if ( 0 != item.type.find( "link" ) )
   {
      PyErr_SetString(PyExc_TypeError,"a link was expected");
      throw SimulationException( __FILE__ , __LINE__ );
   }
   return ((WrapLink*)(item.item));
}

std::string
stringify( const DTN::ByteString& s )
{
   if ( 0 == s.length() ) return "-";
   std::string os;
   bool printable = true;
   for ( unsigned int i = 0 ; i < s.length() ; ++i )
   {
      if ( !isprint(s[i]) ) printable = false;
      if ( isspace(s[i]) ) printable = false;
   }
   if ( ! printable )
   {
      os += "0x";
   }
   for ( unsigned int i = 0 ; i < s.length() ; ++i )
   {
      if ( printable )
      {
         os += s[i];
      }
      else
      {
         char tmp[3];
         ::sprintf(tmp,"%02X",s[i]);
         os += tmp[0];
         os += tmp[1];
      }
   }

   return os;
}

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