author | alpar |
Wed, 16 Jun 2004 09:44:30 +0000 | |
changeset 686 | fc8a3393e0d9 |
parent 508 | 95f8f7171bae |
permissions | -rw-r--r-- |
klao@489 | 1 |
// -*- C++ -*- // |
klao@489 | 2 |
|
klao@489 | 3 |
#ifndef HUGO_ERROR_H |
klao@489 | 4 |
#define HUGO_ERROR_H |
klao@489 | 5 |
|
klao@491 | 6 |
//! \ingroup misc |
klao@489 | 7 |
//! \file |
klao@489 | 8 |
//! \brief Basic error handling (signaling) routines. |
klao@489 | 9 |
|
klao@490 | 10 |
#include <exception> |
klao@489 | 11 |
#include <string> |
klao@489 | 12 |
#include <sstream> |
klao@489 | 13 |
|
klao@489 | 14 |
|
klao@489 | 15 |
namespace hugo { |
klao@489 | 16 |
|
klao@489 | 17 |
/** |
klao@489 | 18 |
* \brief Generic exception class. |
klao@489 | 19 |
* |
klao@489 | 20 |
* \todo Do we need this? |
klao@489 | 21 |
* |
klao@489 | 22 |
* \todo Don't we need different kind of exceptions for different kind |
klao@489 | 23 |
* of errors? |
alpar@508 | 24 |
* Shouldn't we use \<stdexcept\> instead? |
klao@489 | 25 |
*/ |
klao@489 | 26 |
class Exception : public std::exception { |
klao@489 | 27 |
protected: |
klao@489 | 28 |
std::ostringstream buf; |
klao@489 | 29 |
public: |
klao@489 | 30 |
Exception() {} |
klao@489 | 31 |
explicit Exception(const std::string &s) { buf << s; } |
klao@490 | 32 |
Exception(const Exception &e) : std::exception() { |
klao@490 | 33 |
buf << e.buf.str(); |
klao@490 | 34 |
} |
klao@489 | 35 |
virtual ~Exception() throw() {} |
klao@489 | 36 |
|
klao@489 | 37 |
virtual const char* what() const throw() { |
klao@489 | 38 |
return buf.str().c_str(); |
klao@489 | 39 |
} |
klao@489 | 40 |
|
klao@489 | 41 |
Exception& operator<<(std::string const& s) { buf << s; return *this; } |
klao@489 | 42 |
Exception& operator<<(char const *s) { buf << s; return *this; } |
klao@489 | 43 |
Exception& operator<<(int i) { buf << i; return *this; } |
klao@489 | 44 |
}; |
klao@489 | 45 |
|
klao@489 | 46 |
/** |
klao@489 | 47 |
* \brief Generic error signaling function. |
klao@489 | 48 |
* |
klao@489 | 49 |
* \todo Do we really need this? Is it helpful? |
klao@489 | 50 |
*/ |
klao@489 | 51 |
inline void fault(const std::string &msg) { |
klao@489 | 52 |
throw Exception(msg); |
klao@489 | 53 |
} |
klao@489 | 54 |
|
klao@489 | 55 |
/** |
klao@489 | 56 |
* \brief Macro for mark not yet implemented features. |
klao@489 | 57 |
* |
klao@489 | 58 |
* \todo Is this the right place for this? It should be used only in |
klao@489 | 59 |
* modules under development. |
klao@489 | 60 |
*/ |
klao@489 | 61 |
|
klao@489 | 62 |
# define FIXME(msg) \ |
klao@490 | 63 |
do { throw ::hugo::Exception() << "FIXME: " msg " (in: " \ |
klao@490 | 64 |
__FILE__ ", " << __LINE__ << ")"; \ |
klao@489 | 65 |
} while(false) |
klao@489 | 66 |
|
klao@489 | 67 |
} |
klao@489 | 68 |
#endif // HUGO_ERROR_H |