57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2006 Artem Pavlenko
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#ifndef MAPNIK_VALUE_ERROR_INCLUDED
|
|
#define MAPNIK_VALUE_ERROR_INCLUDED
|
|
|
|
#include <iostream>
|
|
#include <sstream>
|
|
|
|
namespace mapnik {
|
|
|
|
class value_error : public std::exception
|
|
{
|
|
public:
|
|
value_error() {}
|
|
|
|
value_error( const std::string & what ) :
|
|
what_( what )
|
|
{
|
|
}
|
|
virtual ~value_error() throw() {};
|
|
|
|
virtual const char * what() const throw()
|
|
{
|
|
return what_.c_str();
|
|
}
|
|
|
|
void append_context(const std::string & ctx) const
|
|
{
|
|
what_ += " " + ctx;
|
|
}
|
|
|
|
protected:
|
|
mutable std::string what_;
|
|
};
|
|
}
|
|
|
|
#endif // MAPNIK_VALUE_ERROR_INCLUDED
|