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Add boost::uuid::invalid_uuid exception class

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Peter Dimov
2026-01-14 19:53:21 +02:00
parent bee48932a6
commit 884c050576
2 changed files with 77 additions and 25 deletions
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30
include/boost/uuid/detail/throw_invalid_uuid.hpp
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@@ -1,41 +1,21 @@
#ifndef BOOST_UUID_DETAIL_THROW_INVALID_UUID_INCLUDED #ifndef BOOST_UUID_DETAIL_THROW_INVALID_UUID_INCLUDED
#define BOOST_UUID_DETAIL_THROW_INVALID_UUID_INCLUDED #define BOOST_UUID_DETAIL_THROW_INVALID_UUID_INCLUDED
// Copyright 2025 Peter Dimov // Copyright 2025, 2026 Peter Dimov
// Distributed under the Boost Software License, Version 1.0. // Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt // https://www.boost.org/LICENSE_1_0.txt
#include <boost/uuid/detail/from_chars_result.hpp> #include <boost/uuid/invalid_uuid.hpp>
#include <boost/throw_exception.hpp> #include <boost/throw_exception.hpp>
#include <boost/config.hpp> #include <boost/assert/source_location.hpp>
#include <stdexcept>
#include <cstdio>
#include <cstddef>
namespace boost { namespace boost {
namespace uuids { namespace uuids {
namespace detail { namespace detail {
BOOST_CXX14_CONSTEXPR inline char const* fc_error_to_string( from_chars_error err ) noexcept BOOST_NORETURN inline void throw_invalid_uuid( std::ptrdiff_t pos, from_chars_error err, boost::source_location const& loc = BOOST_CURRENT_LOCATION )
{ {
switch( err ) boost::throw_exception( invalid_uuid( pos, err ), loc );
{
case from_chars_error::none: return "no error";
case from_chars_error::unexpected_end_of_input: return "unexpected end of input";
case from_chars_error::hex_digit_expected: return "hex digit expected";
case from_chars_error::dash_expected: return "dash expected";
case from_chars_error::closing_brace_expected: return "closing brace expected";
case from_chars_error::unexpected_extra_input: return "unexpected extra input";
default: return "unknown error";
}
}
BOOST_NORETURN inline void throw_invalid_uuid( std::ptrdiff_t pos, from_chars_error err )
{
char buffer[ 128 ];
std::snprintf( buffer, sizeof( buffer ), "Invalid UUID string at position %td: %s", pos, fc_error_to_string( err ) );
BOOST_THROW_EXCEPTION( std::runtime_error( buffer ) );
} }
}}} // namespace boost::uuids::detail }}} // namespace boost::uuids::detail

72
include/boost/uuid/invalid_uuid.hpp Normal file
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@@ -0,0 +1,72 @@
#ifndef BOOST_UUID_INVALID_UUID_HPP_INCLUDED
#define BOOST_UUID_INVALID_UUID_HPP_INCLUDED
// Copyright 2026 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/uuid/detail/from_chars_result.hpp>
#include <boost/config.hpp>
#include <stdexcept>
#include <cstdio>
#include <cstddef>
namespace boost {
namespace uuids {
namespace detail
{
BOOST_CXX14_CONSTEXPR inline char const* fc_error_to_string( from_chars_error err ) noexcept
{
switch( err )
{
case from_chars_error::none: return "no error";
case from_chars_error::unexpected_end_of_input: return "unexpected end of input";
case from_chars_error::hex_digit_expected: return "hex digit expected";
case from_chars_error::dash_expected: return "dash expected";
case from_chars_error::closing_brace_expected: return "closing brace expected";
case from_chars_error::unexpected_extra_input: return "unexpected extra input";
default: return "unknown error";
}
}
} // namespace detail
class BOOST_SYMBOL_VISIBLE invalid_uuid: public std::runtime_error
{
private:
std::ptrdiff_t pos_;
from_chars_error err_;
private:
static std::runtime_error create_base( std::ptrdiff_t pos, from_chars_error err )
{
char buffer[ 128 ];
std::snprintf( buffer, sizeof( buffer ), "Invalid UUID string at position %td: %s", pos, detail::fc_error_to_string( err ) );
return std::runtime_error( buffer );
}
public:
invalid_uuid( std::ptrdiff_t pos, from_chars_error err ): std::runtime_error( create_base( pos, err ) ), pos_( pos ), err_( err )
{
}
std::ptrdiff_t position() const noexcept
{
return pos_;
}
from_chars_error error() const noexcept
{
return err_;
}
};
}} // namespace boost::uuids
#endif // BOOST_UUID_INVALID_UUID_HPP_INCLUDED