| // ---------------------------------------------------------------------------- |
| // 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 |