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103 lines
3.4 KiB
103 lines
3.4 KiB
// ---------------------------------------------------------------------------- |
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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 less 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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