Chris@16: // ----------------------------------------------------------------------------
Chris@16: // boost/format/exceptions.hpp 
Chris@16: // ----------------------------------------------------------------------------
Chris@16: 
Chris@16: //  Copyright Samuel Krempp 2003.
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0.
Chris@16: //    (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: //          http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: //
Chris@16: //  See http://www.boost.org/libs/format/ for library home page
Chris@16: 
Chris@16: // ----------------------------------------------------------------------------
Chris@16: 
Chris@16: #ifndef BOOST_FORMAT_EXCEPTIONS_HPP
Chris@16: #define BOOST_FORMAT_EXCEPTIONS_HPP
Chris@16: 
Chris@16: 
Chris@16: #include <stdexcept>
Chris@16: 
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16:     namespace io {
Chris@16: 
Chris@16: // **** exceptions -----------------------------------------------
Chris@16: 
Chris@16:         class format_error : public std::exception
Chris@16:         {
Chris@16:         public:
Chris@16:             format_error()  {}
Chris@16:             virtual const char *what() const throw() {
Chris@16:                 return "boost::format_error: "
Chris@16:                     "format generic failure";
Chris@16:             }
Chris@16:         };
Chris@16: 
Chris@16:         class bad_format_string : public format_error
Chris@16:         {
Chris@16:             std::size_t pos_, next_;
Chris@16:         public:
Chris@16:             bad_format_string(std::size_t pos, std::size_t size) 
Chris@16:                 : pos_(pos), next_(size) {}
Chris@16:             std::size_t get_pos() const { return pos_; }
Chris@16:             std::size_t get_next() const { return next_; }
Chris@16:             virtual const char *what() const throw() {
Chris@16:                 return "boost::bad_format_string: format-string is ill-formed";
Chris@16:             }
Chris@16:         };
Chris@16: 
Chris@16:         class too_few_args : public format_error
Chris@16:         {
Chris@16:             std::size_t cur_, expected_;
Chris@16:         public:
Chris@16:             too_few_args(std::size_t cur, std::size_t expected) 
Chris@16:                 : cur_(cur), expected_(expected) {}
Chris@16:             std::size_t get_cur() const { return cur_; }
Chris@16:             std::size_t get_expected() const { return expected_; }
Chris@16:             virtual const char *what() const throw() {
Chris@16:                 return "boost::too_few_args: "
Chris@16:                     "format-string referred to more arguments than were passed";
Chris@16:             }
Chris@16:         };
Chris@16: 
Chris@16:         class too_many_args : public format_error
Chris@16:         {
Chris@16:             std::size_t cur_, expected_;
Chris@16:         public:
Chris@16:             too_many_args(std::size_t cur, std::size_t expected) 
Chris@16:                 : cur_(cur), expected_(expected) {}
Chris@16:             std::size_t get_cur() const { return cur_; }
Chris@16:             std::size_t get_expected() const { return expected_; }
Chris@16:             virtual const char *what() const throw() {
Chris@16:                 return "boost::too_many_args: "
Chris@16:                     "format-string referred to less arguments than were passed";
Chris@16:             }
Chris@16:         };
Chris@16: 
Chris@16: 
Chris@16:         class  out_of_range : public format_error
Chris@16:         {
Chris@16:             int index_, beg_, end_;    // range is [ beg, end [
Chris@16:         public:
Chris@16:             out_of_range(int index, int beg, int end) 
Chris@16:                 : index_(index), beg_(beg), end_(end) {}
Chris@16:             int get_index() const { return index_; }
Chris@16:             int get_beg() const { return beg_; }
Chris@16:             int get_end() const { return end_; }
Chris@16:             virtual const char *what() const throw() {
Chris@16:                 return "boost::out_of_range: "
Chris@16:                     "tried to refer to an argument (or item) number which"
Chris@16:                     " is out of range, according to the format string";
Chris@16:             }
Chris@16:         };
Chris@16: 
Chris@16: 
Chris@16:     } // namespace io
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_FORMAT_EXCEPTIONS_HPP