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- // ----------------------------------------------------------------------------
- // 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 fewer 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
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