mirror of
https://github.com/matrix-construct/construct
synced 2024-07-01 08:18:20 +02:00
70 lines
2.5 KiB
C++
70 lines
2.5 KiB
C++
// Matrix Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_UTIL_PRETTY_H
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namespace ircd::util
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{
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// Human readable space suite
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using human_readable_size = std::tuple<uint64_t, long double, const string_view &>;
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// Default format strings used for pretty(size).
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extern const string_view pretty_size_fmt;
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extern const string_view pretty_only_size_fmt;
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// Process the value to be made pretty first with one of the following:
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human_readable_size iec(const uint64_t &value);
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human_readable_size si(const uint64_t &value);
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// Generate a pretty string with a custom fmt string (low-level)
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string_view pretty(const mutable_buffer &out, const string_view &fmt, const human_readable_size &);
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std::string pretty(const human_readable_size &, const string_view &fmt);
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// Generate a pretty string with the pretty_fmt_default implied.
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string_view pretty(const mutable_buffer &out, const human_readable_size &);
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std::string pretty(const human_readable_size &);
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// Generate a pretty string with another (simpler) default fmt string.
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string_view pretty_only(const mutable_buffer &out, const human_readable_size &);
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std::string pretty_only(const human_readable_size &);
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// Human readable time suite (for timers and counts; otherwise see date.h)
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string_view pretty_nanoseconds(const mutable_buffer &out, const long double &, const uint &fmt = 0);
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template<class r, class p> string_view pretty(const mutable_buffer &out, const duration<r, p> &, const uint &fmt = 0);
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template<class r, class p> std::string pretty(const duration<r, p> &, const uint &fmt = 0);
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}
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template<class rep,
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class period>
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std::string
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ircd::util::pretty(const duration<rep, period> &d,
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const uint &fmt)
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{
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return util::string(32, [&d, &fmt]
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(const mutable_buffer &out)
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{
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return pretty(out, d, fmt);
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});
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}
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template<class rep,
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class period>
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ircd::string_view
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ircd::util::pretty(const mutable_buffer &out,
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const duration<rep, period> &d,
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const uint &fmt)
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{
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using nanoseconds_ld = duration<long double, nanoseconds::period>;
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const auto &ns(duration_cast<nanoseconds_ld>(d));
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return pretty_nanoseconds(out, ns.count(), fmt);
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}
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