sl@0: // ----------------------------------------------------------------------------
sl@0: // boost/format/exceptions.hpp 
sl@0: // ----------------------------------------------------------------------------
sl@0: 
sl@0: //  Copyright Samuel Krempp 2003.
sl@0: //
sl@0: // Distributed under the Boost Software License, Version 1.0.
sl@0: //    (See accompanying file LICENSE_1_0.txt or copy at
sl@0: //          http://www.boost.org/LICENSE_1_0.txt)
sl@0: //
sl@0: //
sl@0: //  See http://www.boost.org/libs/format/ for library home page
sl@0: 
sl@0: // ----------------------------------------------------------------------------
sl@0: 
sl@0: #ifndef BOOST_FORMAT_EXCEPTIONS_HPP
sl@0: #define BOOST_FORMAT_EXCEPTIONS_HPP
sl@0: 
sl@0: 
sl@0: #include <stdexcept>
sl@0: 
sl@0: 
sl@0: namespace boost {
sl@0: 
sl@0:     namespace io {
sl@0: 
sl@0: // **** exceptions -----------------------------------------------
sl@0: 
sl@0:         class format_error : public std::exception
sl@0:         {
sl@0:         public:
sl@0:             format_error()  {}
sl@0:             virtual const char *what() const throw() {
sl@0:                 return "boost::format_error: "
sl@0:                     "format generic failure";
sl@0:             }
sl@0:         };
sl@0: 
sl@0:         class bad_format_string : public format_error
sl@0:         {
sl@0:             std::size_t pos_, next_;
sl@0:         public:
sl@0:             bad_format_string(std::size_t pos, std::size_t size) 
sl@0:                 : pos_(pos), next_(size) {}
sl@0:             std::size_t get_pos() const { return pos_; }
sl@0:             std::size_t get_next() const { return next_; }
sl@0:             virtual const char *what() const throw() {
sl@0:                 return "boost::bad_format_string: format-string is ill-formed";
sl@0:             }
sl@0:         };
sl@0: 
sl@0:         class too_few_args : public format_error
sl@0:         {
sl@0:             std::size_t cur_, expected_;
sl@0:         public:
sl@0:             too_few_args(std::size_t cur, std::size_t expected) 
sl@0:                 : cur_(cur), expected_(expected) {}
sl@0:             std::size_t get_cur() const { return cur_; }
sl@0:             std::size_t get_expected() const { return expected_; }
sl@0:             virtual const char *what() const throw() {
sl@0:                 return "boost::too_few_args: "
sl@0:                     "format-string referred to more arguments than were passed";
sl@0:             }
sl@0:         };
sl@0: 
sl@0:         class too_many_args : public format_error
sl@0:         {
sl@0:             std::size_t cur_, expected_;
sl@0:         public:
sl@0:             too_many_args(std::size_t cur, std::size_t expected) 
sl@0:                 : cur_(cur), expected_(expected) {}
sl@0:             std::size_t get_cur() const { return cur_; }
sl@0:             std::size_t get_expected() const { return expected_; }
sl@0:             virtual const char *what() const throw() {
sl@0:                 return "boost::too_many_args: "
sl@0:                     "format-string referred to less arguments than were passed";
sl@0:             }
sl@0:         };
sl@0: 
sl@0: 
sl@0:         class  out_of_range : public format_error
sl@0:         {
sl@0:             int index_, beg_, end_;    // range is [ beg, end [
sl@0:         public:
sl@0:             out_of_range(int index, int beg, int end) 
sl@0:                 : index_(index), beg_(beg), end_(end) {}
sl@0:             int get_index() const { return index_; }
sl@0:             int get_beg() const { return beg_; }
sl@0:             int get_end() const { return end_; }
sl@0:             virtual const char *what() const throw() {
sl@0:                 return "boost::out_of_range: "
sl@0:                     "tried to refer to an argument (or item) number which"
sl@0:                     " is out of range, according to the format string";
sl@0:             }
sl@0:         };
sl@0: 
sl@0: 
sl@0:     } // namespace io
sl@0: 
sl@0: } // namespace boost
sl@0: 
sl@0: 
sl@0: #endif // BOOST_FORMAT_EXCEPTIONS_HPP