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