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https://github.com/matrix-construct/construct
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ircd: Minor cleanup of rfc1459 header.
This commit is contained in:
Jason Volk
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commit
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1 changed files with 87 additions and 80 deletions
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@ -1,27 +1,21 @@
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/*
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* charybdis: 21st Century IRC++d
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* rfc1459.h: RFC1459 Specification API
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*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 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.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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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
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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.
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//
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// THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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// IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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#pragma once
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#define HAVE_IRCD_RFC1459_H
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@ -29,35 +23,26 @@
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/// Legacy IRC grammars & tools
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namespace ircd::rfc1459
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{
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struct nick;
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struct user;
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struct host;
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struct cmd;
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struct parv;
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struct pfx;
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struct line;
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IRCD_EXCEPTION(ircd::error, error)
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IRCD_EXCEPTION(error, syntax_error)
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IRCD_EXCEPTION(ircd::error, error)
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IRCD_EXCEPTION(error, syntax_error)
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namespace character
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std::ostream &operator<<(std::ostream &, const pfx &);
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std::ostream &operator<<(std::ostream &, const cmd &);
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std::ostream &operator<<(std::ostream &, const parv &);
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std::ostream &operator<<(std::ostream &, const line &); // unterminated
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}
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namespace ircd::rfc1459::character
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{
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enum attr
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:uint
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{
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PRINT = 0x00000001,
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CNTRL = 0x00000002,
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ALPHA = 0x00000004,
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PUNCT = 0x00000008,
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DIGIT = 0x00000010,
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SPACE = 0x00000020,
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NICK = 0x00000040,
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CHAN = 0x00000080,
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KWILD = 0x00000100,
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CHANPFX = 0x00000200,
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USER = 0x00000400,
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HOST = 0x00000800,
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NONEOS = 0x00001000,
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SERV = 0x00002000,
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EOL = 0x00004000,
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MWILD = 0x00008000,
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LET = 0x00010000, // an actual letter
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FCHAN = 0x00020000, // a 'fake' channel char
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};
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enum attr :uint;
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using attr_t = std::underlying_type<attr>::type;
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extern const std::array<attr_t, 256> attrs;
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@ -80,6 +65,34 @@ namespace character
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std::string charset(const attr &attr);
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}
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enum ircd::rfc1459::character::attr
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:uint
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{
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PRINT = 0x00000001,
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CNTRL = 0x00000002,
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ALPHA = 0x00000004,
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PUNCT = 0x00000008,
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DIGIT = 0x00000010,
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SPACE = 0x00000020,
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NICK = 0x00000040,
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CHAN = 0x00000080,
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KWILD = 0x00000100,
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CHANPFX = 0x00000200,
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USER = 0x00000400,
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HOST = 0x00000800,
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NONEOS = 0x00001000,
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SERV = 0x00002000,
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EOL = 0x00004000,
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MWILD = 0x00008000,
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LET = 0x00010000, // an actual letter
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FCHAN = 0x00020000, // a 'fake' channel char
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};
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namespace ircd::rfc1459 {
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struct less;
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using character::is;
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using character::toupper;
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using character::tolower;
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@ -114,44 +127,39 @@ inline bool is_xdigit(const char &c)
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return is_digit(c) || ('a' <= c && c <= 'f') || ('A' <= c && c <= 'F');
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}
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struct less
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{
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bool operator()(const char *const &a, const char *const &b) const;
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bool operator()(const std::string &a, const std::string &b) const;
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bool operator()(const std::string_view &a, const std::string_view &b) const;
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};
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} // namespace ircd::rfc1459
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struct nick
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struct ircd::rfc1459::nick
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:string_view
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{
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using string_view::string_view;
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};
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struct user
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struct ircd::rfc1459::user
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:string_view
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{
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using string_view::string_view;
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};
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struct host
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struct ircd::rfc1459::host
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:string_view
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{
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using string_view::string_view;
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};
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struct cmd
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struct ircd::rfc1459::cmd
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:string_view
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{
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using string_view::string_view;
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};
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struct parv
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struct ircd::rfc1459::parv
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:std::vector<string_view>
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{
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using std::vector<string_view>::vector;
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};
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struct pfx
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struct ircd::rfc1459::pfx
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{
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struct nick nick;
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struct user user;
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@ -160,7 +168,7 @@ struct pfx
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bool empty() const;
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};
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struct line
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struct ircd::rfc1459::line
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{
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struct pfx pfx;
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struct cmd cmd;
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@ -174,15 +182,16 @@ struct line
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line() = default;
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};
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std::ostream &operator<<(std::ostream &, const pfx &);
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std::ostream &operator<<(std::ostream &, const cmd &);
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std::ostream &operator<<(std::ostream &, const parv &);
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std::ostream &operator<<(std::ostream &, const line &); // unterminated
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struct ircd::rfc1459::less
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{
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bool operator()(const char *const &a, const char *const &b) const;
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bool operator()(const std::string &a, const std::string &b) const;
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bool operator()(const std::string_view &a, const std::string_view &b) const;
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};
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inline bool
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less::operator()(const std::string_view &a,
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const std::string_view &b)
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ircd::rfc1459::less::operator()(const std::string_view &a,
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const std::string_view &b)
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const
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{
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return std::lexicographical_compare(begin(a), end(a), begin(b), end(b), []
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@ -193,8 +202,8 @@ const
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}
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inline bool
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less::operator()(const std::string &a,
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const std::string &b)
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ircd::rfc1459::less::operator()(const std::string &a,
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const std::string &b)
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const
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{
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return std::lexicographical_compare(begin(a), end(a), begin(b), end(b), []
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@ -205,8 +214,8 @@ const
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}
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inline bool
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less::operator()(const char *const &a,
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const char *const &b)
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ircd::rfc1459::less::operator()(const char *const &a,
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const char *const &b)
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const
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{
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return std::lexicographical_compare(a, a + strlen(a), b, b + strlen(b), []
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@ -217,22 +226,20 @@ const
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}
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inline const uint8_t &
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character::tolower(const uint8_t &c)
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ircd::rfc1459::character::tolower(const uint8_t &c)
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{
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return tolower_tab[c];
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}
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inline const uint8_t &
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character::toupper(const uint8_t &c)
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ircd::rfc1459::character::toupper(const uint8_t &c)
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{
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return toupper_tab[c];
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}
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inline bool
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character::is(const uint8_t &c,
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const attr &attr)
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ircd::rfc1459::character::is(const uint8_t &c,
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const attr &attr)
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{
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return (attrs[c] & attr) == attr;
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}
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}
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