// ---------------------------------------------------------------------------- | |
// boost/format/exceptions.hpp | |
// ---------------------------------------------------------------------------- | |
// Copyright Samuel Krempp 2003. | |
// | |
// Distributed under the Boost Software License, Version 1.0. | |
// (See accompanying file LICENSE_1_0.txt or copy at | |
// http://www.boost.org/LICENSE_1_0.txt) | |
// | |
// | |
// See http://www.boost.org/libs/format/ for library home page | |
// ---------------------------------------------------------------------------- | |
#ifndef BOOST_FORMAT_EXCEPTIONS_HPP | |
#define BOOST_FORMAT_EXCEPTIONS_HPP | |
#include <stdexcept> | |
namespace boost { | |
namespace io { | |
// **** exceptions ----------------------------------------------- | |
class format_error : public std::exception | |
{ | |
public: | |
format_error() {} | |
virtual const char *what() const throw() { | |
return "boost::format_error: " | |
"format generic failure"; | |
} | |
}; | |
class bad_format_string : public format_error | |
{ | |
std::size_t pos_, next_; | |
public: | |
bad_format_string(std::size_t pos, std::size_t size) | |
: pos_(pos), next_(size) {} | |
std::size_t get_pos() const { return pos_; } | |
std::size_t get_next() const { return next_; } | |
virtual const char *what() const throw() { | |
return "boost::bad_format_string: format-string is ill-formed"; | |
} | |
}; | |
class too_few_args : public format_error | |
{ | |
std::size_t cur_, expected_; | |
public: | |
too_few_args(std::size_t cur, std::size_t expected) | |
: cur_(cur), expected_(expected) {} | |
std::size_t get_cur() const { return cur_; } | |
std::size_t get_expected() const { return expected_; } | |
virtual const char *what() const throw() { | |
return "boost::too_few_args: " | |
"format-string referred to more arguments than were passed"; | |
} | |
}; | |
class too_many_args : public format_error | |
{ | |
std::size_t cur_, expected_; | |
public: | |
too_many_args(std::size_t cur, std::size_t expected) | |
: cur_(cur), expected_(expected) {} | |
std::size_t get_cur() const { return cur_; } | |
std::size_t get_expected() const { return expected_; } | |
virtual const char *what() const throw() { | |
return "boost::too_many_args: " | |
"format-string referred to less arguments than were passed"; | |
} | |
}; | |
class out_of_range : public format_error | |
{ | |
int index_, beg_, end_; // range is [ beg, end [ | |
public: | |
out_of_range(int index, int beg, int end) | |
: index_(index), beg_(beg), end_(end) {} | |
int get_index() const { return index_; } | |
int get_beg() const { return beg_; } | |
int get_end() const { return end_; } | |
virtual const char *what() const throw() { | |
return "boost::out_of_range: " | |
"tried to refer to an argument (or item) number which" | |
" is out of range, according to the format string"; | |
} | |
}; | |
} // namespace io | |
} // namespace boost | |
#endif // BOOST_FORMAT_EXCEPTIONS_HPP |