mirror of
https://github.com/matrix-construct/construct
synced 2024-12-30 17:34:04 +01:00
93 lines
2.6 KiB
C++
93 lines
2.6 KiB
C++
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2022 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
//
|
|
// Version registry
|
|
//
|
|
|
|
template<>
|
|
decltype(ircd::util::instance_list<ircd::versions>::allocator)
|
|
ircd::util::instance_list<ircd::versions>::allocator
|
|
{};
|
|
|
|
template<>
|
|
decltype(ircd::util::instance_list<ircd::versions>::list)
|
|
ircd::util::instance_list<ircd::versions>::list
|
|
{
|
|
allocator
|
|
};
|
|
|
|
/// Straightforward construction of versions members; string is copied
|
|
/// into member buffer with null termination.
|
|
ircd::versions::versions(const string_view &name,
|
|
const enum type &type,
|
|
const long &monotonic,
|
|
const std::array<long, 3> &semantic,
|
|
const string_view &string)
|
|
:versions
|
|
{
|
|
name, type, monotonic, semantic, [&string]
|
|
(auto &that, const mutable_buffer &buf)
|
|
{
|
|
strlcpy(buf, string);
|
|
}
|
|
}
|
|
{
|
|
}
|
|
|
|
/// Construction of versions members with closure for custom string generation.
|
|
/// The version string must be stored into buffer with null termination.
|
|
ircd::versions::versions(const string_view &name,
|
|
const enum type &type,
|
|
const long &monotonic,
|
|
const std::array<long, 3> &semantic,
|
|
const std::function<void (versions &, const mutable_buffer &)> &closure)
|
|
:name{name}
|
|
,type{type}
|
|
,monotonic{monotonic}
|
|
,semantic{semantic}
|
|
,string{'\0'}
|
|
{
|
|
if(closure) try
|
|
{
|
|
closure(*this, this->string);
|
|
}
|
|
catch(const std::exception &e)
|
|
{
|
|
log::error
|
|
{
|
|
"Querying %s version of '%s' :%s",
|
|
type == type::ABI? "ABI"_sv : "API"_sv,
|
|
name,
|
|
e.what(),
|
|
};
|
|
}
|
|
|
|
// User provided a string already; nothing else to do
|
|
if(strnlen(this->string, sizeof(this->string)) != 0)
|
|
return;
|
|
|
|
// Generate a string from the semantic version number or if all zeroes
|
|
// from the monotonic version number instead.
|
|
if(!this->semantic[0] && !this->semantic[1] && !this->semantic[2])
|
|
::snprintf(this->string, sizeof(this->string), "%ld",
|
|
this->monotonic);
|
|
else
|
|
::snprintf(this->string, sizeof(this->string), "%ld.%ld.%ld",
|
|
this->semantic[0],
|
|
this->semantic[1],
|
|
this->semantic[2]);
|
|
}
|
|
|
|
// Required for instance_list template instantiation.
|
|
ircd::versions::~versions()
|
|
noexcept
|
|
{
|
|
}
|