63e88f80
 Hu Chunming
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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 <boost/config.hpp>
#include <stdexcept>
namespace boost {
namespace io {
// **** exceptions -----------------------------------------------
class format_error : public std::exception
{
public:
format_error() {}
virtual const char *what() const BOOST_NOEXCEPT_OR_NOTHROW BOOST_OVERRIDE {
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 BOOST_NOEXCEPT_OR_NOTHROW BOOST_OVERRIDE {
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 BOOST_NOEXCEPT_OR_NOTHROW BOOST_OVERRIDE {
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 BOOST_NOEXCEPT_OR_NOTHROW BOOST_OVERRIDE {
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 BOOST_NOEXCEPT_OR_NOTHROW BOOST_OVERRIDE {
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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