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construct/ircd/rfc1459.cc

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2018-02-04 03:22:01 +01:00
// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 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.
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namespace ircd::rfc1459
{
using namespace ircd::spirit;
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}
namespace ircd { namespace rfc1459 { namespace parse
__attribute__((visibility("hidden")))
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{
template<class it, class top> struct grammar;
struct capstan extern const capstan;
struct head extern const head;
}}}
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namespace ircd { namespace rfc1459 { namespace gen
__attribute__((visibility("hidden")))
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{
using ircd::spirit::buffer;
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template<class it, class top> struct grammar;
}}}
BOOST_FUSION_ADAPT_STRUCT
(
ircd::rfc1459::pfx
,( decltype(ircd::rfc1459::pfx::nick), nick )
,( decltype(ircd::rfc1459::pfx::user), user )
,( decltype(ircd::rfc1459::pfx::host), host )
)
BOOST_FUSION_ADAPT_STRUCT
(
ircd::rfc1459::line
,( decltype(ircd::rfc1459::line::pfx), pfx )
,( decltype(ircd::rfc1459::line::cmd), cmd )
,( decltype(ircd::rfc1459::line::parv), parv )
)
/* The grammar template class.
* This aggregates all the rules under one template to make composing them easier.
*
* The grammar template is instantiated by individual parsers depending on the goal
* for the specific parse, or the "top level." The first top-level was an IRC line, so
* a class was created `struct head` specifying grammar::line as the top rule, and
* rfc1459::line as the top output target to parse into.
*/
template<class it,
class top>
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struct ircd::rfc1459::parse::grammar
:qi::grammar<it, top>
{
qi::rule<it> space;
qi::rule<it> colon;
qi::rule<it> nulcrlf;
qi::rule<it> spnulcrlf;
qi::rule<it> terminator;
qi::rule<it, rfc1459::host> hostname;
qi::rule<it, rfc1459::host> server;
qi::rule<it, rfc1459::user> user;
qi::rule<it, rfc1459::nick> nick;
qi::rule<it, rfc1459::pfx> prefix;
qi::rule<it, string_view> trailing;
qi::rule<it, string_view> middle;
qi::rule<it, rfc1459::parv> params;
qi::rule<it, string_view> numeric;
qi::rule<it, rfc1459::cmd> command;
qi::rule<it, rfc1459::line> line;
qi::rule<it, std::deque<rfc1459::line>> tape;
grammar(qi::rule<it, top> &top_rule);
};
template<class it,
class top>
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ircd::rfc1459::parse::grammar<it, top>::grammar(qi::rule<it, top> &top_rule)
:qi::grammar<it, top>::base_type
{
top_rule
}
,space // A single space character
{
/* TODO: RFC says:
* 1) <SPACE> is consists only of SPACE character(s) (0x20).
* Specially notice that TABULATION, and all other control
* characters are considered NON-WHITE-SPACE.
* But our table in this namespace has control characters labeled as SPACE.
* This needs to be fixed.
*/
//char_(charset(character::SPACE))
lit(' ')
,"space"
}
,colon // A single colon character
{
lit(':')
,"colon"
}
,nulcrlf // Match on NUL or CR or LF
{
lit('\0') | lit('\r') | lit('\n')
,"nulcrlf"
}
,spnulcrlf // Match on space or nulcrlf
{
space | nulcrlf
,"spnulcrlf"
}
,terminator // The message terminator
{
lit('\r') >> lit('\n')
,"terminator"
}
,hostname // A valid hostname
{
raw[+char_(charset(character::HOST))] // TODO: https://tools.ietf.org/html/rfc952
,"hostname"
}
,server // A valid servername
{
hostname
,"server"
}
,user // A valid username
{
raw[+char_(charset(character::USER))]
,"user"
}
,nick // A valid nickname, leading letter followed by any NICK chars
{
raw[char_(charset(character::ALPHA)) >> *char_(charset(character::NICK))]
,"nick"
}
,prefix // A valid prefix, required name, optional user and host (or empty placeholders)
{
colon >> (nick | server) >> -(lit('!') >> user) >> -(lit('@') >> hostname)
,"prefix"
}
,trailing // Trailing string pinch
{
colon >> raw[+(char_ - nulcrlf)]
,"trailing"
}
,middle // Spaced parameters
{
!colon >> raw[+(char_ - spnulcrlf)]
,"middle"
}
,params // Parameter vector
{
*(+space >> middle) >> -(+space >> trailing)
,"params"
}
,numeric // \d\d\d numeric
{
repeat(3)[char_(charset(character::DIGIT))]
,"numeric"
}
,command // A command or numeric
{
raw[+char_(charset(character::ALPHA)) | numeric]
,"command"
}
,line
{
-(prefix >> +space) >> command >> params
,"line"
}
,tape
{
+(-line >> +terminator)
,"tape"
}
{
}
// Instantiate the input grammar to parse a const char* buffer into an rfc1459::line object.
// The top rule is inherited and then specified as grammar::line, which is compatible
// with an rfc1459::line object.
//
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struct ircd::rfc1459::parse::head
:parse::grammar<const char *, rfc1459::line>
{
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head(): grammar{line} {}
}
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const ircd::rfc1459::parse::head;
// Instantiate the input grammar to parse a const char* buffer into an rfc1459::tape object.
// The top rule is now grammar::tape and the target object is an rfc1459::tape deque.
//
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struct ircd::rfc1459::parse::capstan
:parse::grammar<const char *, std::deque<rfc1459::line>>
{
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capstan(): grammar{tape} {}
}
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const ircd::rfc1459::parse::capstan;
template<class it,
class top>
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struct ircd::rfc1459::gen::grammar
:karma::grammar<it, top>
{
std::string trail_save;
karma::rule<it> space;
karma::rule<it> colon;
karma::rule<it> terminator;
karma::rule<it, rfc1459::host> hostname;
karma::rule<it, rfc1459::user> user;
karma::rule<it, rfc1459::nick> nick;
karma::rule<it, rfc1459::pfx> prefix;
karma::rule<it, rfc1459::pfx> prefix_optionals;
karma::rule<it, string_view> trailing;
karma::rule<it, string_view> middle;
karma::rule<it, rfc1459::parv> params;
karma::rule<it, rfc1459::cmd> command_numeric;
karma::rule<it, rfc1459::cmd> command_alpha;
karma::rule<it, rfc1459::cmd> command;
karma::rule<it, rfc1459::line> line;
grammar(karma::rule<it, top> &top_rule);
};
template<class it,
class top>
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ircd::rfc1459::gen::grammar<it, top>::grammar(karma::rule<it, top> &top_rule)
:karma::grammar<it, top>::base_type
{
top_rule
}
,space // A single space character
{
lit(' ')
,"space"
}
,colon // A single colon character
{
lit(':')
,"colon"
}
,terminator // The message terminator
{
lit('\r') << lit('\n')
,"terminator"
}
,hostname // A valid hostname
{
+char_(charset(character::HOST)) // TODO: https://tools.ietf.org/html/rfc952
,"hostname"
}
,user // A valid username
{
+char_(charset(character::USER))
,"user"
}
,nick // A valid nickname, leading letter followed by any NICK chars
{
buffer[char_(charset(character::ALPHA)) << *char_(charset(character::NICK))]
,"nick"
}
,prefix
{
colon << nick << lit('!') << user << lit('@') << hostname
,"prefix"
}
,prefix_optionals
{
colon << (nick | lit('*'))
<< lit('!') << (user | lit('*'))
<< lit('@') << (hostname | lit('*'))
,"prefix_optionals"
}
,trailing
{
colon << +(~char_("\r\n"))
,"trailing"
}
,middle // Spaced parameters
{
~char_(":\x20\r\n") << *(~char_("\x20\r\n"))
,"middle"
}
,params //TODO: this doesn't work yet, don't use
{
*(middle % space) << buffer[-trailing]
,"params"
}
,command_numeric // \d\d\d numeric
{
repeat(3)[char_(charset(character::DIGIT))]
,"command_numeric"
}
,command_alpha
{
+char_(charset(character::ALPHA))
,"command_alpha"
}
,command
{
command_alpha | command_numeric
,"command"
}
,line
{
prefix << command << space << params << terminator
,"line"
}
{
}
//NOTE: unterminated
//TODO: Fix carriage
std::ostream &
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ircd::rfc1459::operator<<(std::ostream &s, const line &line)
{
struct carriage
:gen::grammar<karma::ostream_iterator<char>, rfc1459::line>
{
carriage(): grammar{grammar::line} {}
}
static const carriage;
if(!line.pfx.empty())
s << line.pfx << ' ';
s << line.cmd;
if(!line.parv.empty())
s << ' ' << line.parv;
return s;
}
std::ostream &
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ircd::rfc1459::operator<<(std::ostream &s, const parv &parv)
{
using karma::delimit;
struct generate_middle
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:gen::grammar<karma::ostream_iterator<char>, string_view>
{
generate_middle(): grammar{grammar::middle} {}
}
static const generate_middle;
struct generate_trailing
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:gen::grammar<karma::ostream_iterator<char>, string_view>
{
generate_trailing(): grammar{grammar::trailing} {}
}
static const generate_trailing;
ssize_t i(0);
karma::ostream_iterator<char> osi(s);
for(; i < ssize_t(parv.size()) - 1; ++i)
if(!karma::generate(osi, delimit[generate_middle], parv.at(i)))
throw syntax_error("Invalid middle parameter");
if(!parv.empty())
if(!karma::generate(osi, generate_trailing, parv.at(parv.size() - 1)))
throw syntax_error("Invalid trailing parameter");
return s;
}
std::ostream &
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ircd::rfc1459::operator<<(std::ostream &s, const cmd &cmd)
{
struct generate_command
:gen::grammar<karma::ostream_iterator<char>, rfc1459::cmd>
{
generate_command(): grammar{grammar::command} {}
}
static const generate_command;
karma::ostream_iterator<char> osi(s);
if(!karma::generate(osi, generate_command, cmd))
throw syntax_error("Bad command or numeric name");
return s;
}
std::ostream &
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ircd::rfc1459::operator<<(std::ostream &s, const pfx &pfx)
{
struct generate_prefix
:gen::grammar<karma::ostream_iterator<char>, rfc1459::pfx>
{
generate_prefix(): grammar{grammar::prefix} {}
}
static const generate_prefix;
karma::ostream_iterator<char> osi(s);
if(!karma::generate(osi, generate_prefix, pfx))
throw syntax_error("Invalid prefix");
return s;
}
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ircd::rfc1459::line::line(const char *&start,
const char *const &stop)
try
{
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static const auto &grammar
{
parse::head
};
ircd::parse(start, stop, grammar, *this);
}
catch(const qi::expectation_failure<const char *> &e)
{
throw syntax_error
{
"@%d expecting :%s",
int(e.last - e.first),
ircd::string(e.what_).c_str()
};
}
bool
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ircd::rfc1459::line::empty()
const
{
return pfx.empty() &&
cmd.empty() &&
parv.empty();
}
bool
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ircd::rfc1459::pfx::empty()
const
{
return nick.empty() &&
user.empty() &&
host.empty();
}
std::string
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ircd::rfc1459::character::charset(const attr &attr)
{
uint8_t buf[256];
const size_t len(charset(attr, buf, sizeof(buf)));
return { reinterpret_cast<const char *>(buf), len };
}
size_t
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ircd::rfc1459::character::charset(const attr &attr,
uint8_t *const &buf,
const size_t &max)
{
const auto len(gather(attr, buf, max));
std::sort(buf, buf + len, []
(const uint8_t &a, const uint8_t &b)
{
// Ensure special char '-' is always at the front. Also preserve
// the reverse ordering from gather() so NUL is always at the end.
return a == '-'? true:
b == '-'? false:
a > b;
});
return len;
}
std::string
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ircd::rfc1459::character::gather(const attr &attr)
{
uint8_t buf[256];
const size_t len(gather(attr, buf, sizeof(buf)));
return { reinterpret_cast<const char *>(buf), len };
}
size_t
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ircd::rfc1459::character::gather(const attr &attr,
uint8_t *const &buf,
const size_t &max)
{
size_t ret(0);
for(ssize_t i(attrs.size() - 1); i >= 0 && ret < max; --i)
if(is(i, attr))
buf[ret++] = i;
return ret;
}
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decltype(ircd::rfc1459::character::tolower_tab)
ircd::rfc1459::character::tolower_tab
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14,
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
0x1e, 0x1f,
' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
'*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
':', ';', '<', '=', '>', '?',
'@', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
'_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
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decltype(ircd::rfc1459::character::toupper_tab)
ircd::rfc1459::character::toupper_tab
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14,
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
0x1e, 0x1f,
' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
'*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
':', ';', '<', '=', '>', '?',
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^',
0x5f,
'`', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^',
0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
/*
* CharAttrs table
*
* NOTE: RFC 1459 sez: anything but a ^G, comma, or space is allowed
* for channel names
*/
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const decltype(ircd::rfc1459::character::attrs)
ircd::rfc1459::character::attrs
{{
/* 0 */ CNTRL,
/* 1 */ CNTRL | CHAN | NONEOS,
/* 2 */ CNTRL | CHAN | FCHAN | NONEOS,
/* 3 */ CNTRL | CHAN | FCHAN | NONEOS,
/* 4 */ CNTRL | CHAN | NONEOS,
/* 5 */ CNTRL | CHAN | NONEOS,
/* 6 */ CNTRL | CHAN | NONEOS,
/* 7 BEL */ CNTRL | NONEOS,
/* 8 \b */ CNTRL | CHAN | NONEOS,
/* 9 \t */ CNTRL | SPACE | CHAN | NONEOS,
/* 10 \n */ CNTRL | SPACE | CHAN | NONEOS | EOL,
/* 11 \v */ CNTRL | SPACE | CHAN | NONEOS,
/* 12 \f */ CNTRL | SPACE | CHAN | NONEOS,
/* 13 \r */ CNTRL | SPACE | CHAN | NONEOS | EOL,
/* 14 */ CNTRL | CHAN | NONEOS,
/* 15 */ CNTRL | CHAN | NONEOS,
/* 16 */ CNTRL | CHAN | NONEOS,
/* 17 */ CNTRL | CHAN | NONEOS,
/* 18 */ CNTRL | CHAN | NONEOS,
/* 19 */ CNTRL | CHAN | NONEOS,
/* 20 */ CNTRL | CHAN | NONEOS,
/* 21 */ CNTRL | CHAN | NONEOS,
/* 22 */ CNTRL | CHAN | FCHAN | NONEOS,
/* 23 */ CNTRL | CHAN | NONEOS,
/* 24 */ CNTRL | CHAN | NONEOS,
/* 25 */ CNTRL | CHAN | NONEOS,
/* 26 */ CNTRL | CHAN | NONEOS,
/* 27 */ CNTRL | CHAN | NONEOS,
/* 28 */ CNTRL | CHAN | NONEOS,
/* 29 */ CNTRL | CHAN | FCHAN | NONEOS,
/* 30 */ CNTRL | CHAN | NONEOS,
/* 31 */ CNTRL | CHAN | FCHAN | NONEOS,
/* SP */ PRINT | SPACE,
/* ! */ PRINT | KWILD | CHAN | NONEOS,
/* " */ PRINT | CHAN | NONEOS,
/* # */ PRINT | MWILD | CHANPFX | CHAN | NONEOS,
/* $ */ PRINT | CHAN | NONEOS,
/* % */ PRINT | CHAN | NONEOS,
/* & */ PRINT | CHANPFX | CHAN | NONEOS,
/* ' */ PRINT | CHAN | NONEOS,
/* ( */ PRINT | CHAN | NONEOS,
/* ) */ PRINT | CHAN | NONEOS,
/* * */ PRINT | KWILD | MWILD | CHAN | NONEOS,
/* + */ PRINT | CHAN | NONEOS,
/* , */ PRINT | NONEOS,
/* - */ PRINT | NICK | CHAN | NONEOS | USER | HOST,
/* . */ PRINT | KWILD | CHAN | NONEOS | USER | HOST | SERV,
/* / */ PRINT | CHAN | NONEOS | HOST,
/* 0 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 1 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 2 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 3 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 4 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 5 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 6 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 7 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 8 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* 9 */ PRINT | DIGIT | NICK | CHAN | NONEOS | USER | HOST,
/* : */ PRINT | CHAN | NONEOS | HOST,
/* ; */ PRINT | CHAN | NONEOS,
/* < */ PRINT | CHAN | NONEOS,
/* = */ PRINT | CHAN | NONEOS,
/* > */ PRINT | CHAN | NONEOS,
/* ? */ PRINT | KWILD | MWILD | CHAN | NONEOS,
/* @ */ PRINT | KWILD | MWILD | CHAN | NONEOS,
/* A */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* B */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* C */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* D */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* E */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* F */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* G */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* H */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* I */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* J */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* K */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* L */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* M */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* N */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* O */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* P */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* Q */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* R */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* S */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* T */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* U */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* V */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* W */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* X */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* Y */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* Z */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* [ */ PRINT | ALPHA | NICK | CHAN | NONEOS | USER,
/* \ */ PRINT | ALPHA | NICK | CHAN | NONEOS | USER,
/* ] */ PRINT | ALPHA | NICK | CHAN | NONEOS | USER,
/* ^ */ PRINT | ALPHA | NICK | CHAN | NONEOS | USER,
/* _ */ PRINT | NICK | CHAN | NONEOS | USER,
/* ` */ PRINT | NICK | CHAN | NONEOS | USER,
/* a */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* b */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* c */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* d */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* e */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* f */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* g */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* h */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* i */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* j */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* k */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* l */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* m */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* n */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* o */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* p */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* q */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* r */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* s */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* t */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* u */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* v */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* w */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* x */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* y */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* z */ PRINT | ALPHA | LET | NICK | CHAN | NONEOS | USER | HOST,
/* { */ PRINT | ALPHA | NICK | CHAN | NONEOS | USER,
/* | */ PRINT | ALPHA | NICK | CHAN | NONEOS | USER,
/* } */ PRINT | ALPHA | NICK | CHAN | NONEOS | USER,
/* ~ */ PRINT | ALPHA | CHAN | NONEOS | USER,
/* del */ CHAN | NONEOS,
/* 0x80 */ CHAN | NONEOS,
/* 0x81 */ CHAN | NONEOS,
/* 0x82 */ CHAN | NONEOS,
/* 0x83 */ CHAN | NONEOS,
/* 0x84 */ CHAN | NONEOS,
/* 0x85 */ CHAN | NONEOS,
/* 0x86 */ CHAN | NONEOS,
/* 0x87 */ CHAN | NONEOS,
/* 0x88 */ CHAN | NONEOS,
/* 0x89 */ CHAN | NONEOS,
/* 0x8A */ CHAN | NONEOS,
/* 0x8B */ CHAN | NONEOS,
/* 0x8C */ CHAN | NONEOS,
/* 0x8D */ CHAN | NONEOS,
/* 0x8E */ CHAN | NONEOS,
/* 0x8F */ CHAN | NONEOS,
/* 0x90 */ CHAN | NONEOS,
/* 0x91 */ CHAN | NONEOS,
/* 0x92 */ CHAN | NONEOS,
/* 0x93 */ CHAN | NONEOS,
/* 0x94 */ CHAN | NONEOS,
/* 0x95 */ CHAN | NONEOS,
/* 0x96 */ CHAN | NONEOS,
/* 0x97 */ CHAN | NONEOS,
/* 0x98 */ CHAN | NONEOS,
/* 0x99 */ CHAN | NONEOS,
/* 0x9A */ CHAN | NONEOS,
/* 0x9B */ CHAN | NONEOS,
/* 0x9C */ CHAN | NONEOS,
/* 0x9D */ CHAN | NONEOS,
/* 0x9E */ CHAN | NONEOS,
/* 0x9F */ CHAN | NONEOS,
/* 0xA0 */ CHAN | FCHAN | NONEOS,
/* 0xA1 */ CHAN | NONEOS,
/* 0xA2 */ CHAN | NONEOS,
/* 0xA3 */ CHAN | NONEOS,
/* 0xA4 */ CHAN | NONEOS,
/* 0xA5 */ CHAN | NONEOS,
/* 0xA6 */ CHAN | NONEOS,
/* 0xA7 */ CHAN | NONEOS,
/* 0xA8 */ CHAN | NONEOS,
/* 0xA9 */ CHAN | NONEOS,
/* 0xAA */ CHAN | NONEOS,
/* 0xAB */ CHAN | NONEOS,
/* 0xAC */ CHAN | NONEOS,
/* 0xAD */ CHAN | NONEOS,
/* 0xAE */ CHAN | NONEOS,
/* 0xAF */ CHAN | NONEOS,
/* 0xB0 */ CHAN | NONEOS,
/* 0xB1 */ CHAN | NONEOS,
/* 0xB2 */ CHAN | NONEOS,
/* 0xB3 */ CHAN | NONEOS,
/* 0xB4 */ CHAN | NONEOS,
/* 0xB5 */ CHAN | NONEOS,
/* 0xB6 */ CHAN | NONEOS,
/* 0xB7 */ CHAN | NONEOS,
/* 0xB8 */ CHAN | NONEOS,
/* 0xB9 */ CHAN | NONEOS,
/* 0xBA */ CHAN | NONEOS,
/* 0xBB */ CHAN | NONEOS,
/* 0xBC */ CHAN | NONEOS,
/* 0xBD */ CHAN | NONEOS,
/* 0xBE */ CHAN | NONEOS,
/* 0xBF */ CHAN | NONEOS,
/* 0xC0 */ CHAN | NONEOS,
/* 0xC1 */ CHAN | NONEOS,
/* 0xC2 */ CHAN | NONEOS,
/* 0xC3 */ CHAN | NONEOS,
/* 0xC4 */ CHAN | NONEOS,
/* 0xC5 */ CHAN | NONEOS,
/* 0xC6 */ CHAN | NONEOS,
/* 0xC7 */ CHAN | NONEOS,
/* 0xC8 */ CHAN | NONEOS,
/* 0xC9 */ CHAN | NONEOS,
/* 0xCA */ CHAN | NONEOS,
/* 0xCB */ CHAN | NONEOS,
/* 0xCC */ CHAN | NONEOS,
/* 0xCD */ CHAN | NONEOS,
/* 0xCE */ CHAN | NONEOS,
/* 0xCF */ CHAN | NONEOS,
/* 0xD0 */ CHAN | NONEOS,
/* 0xD1 */ CHAN | NONEOS,
/* 0xD2 */ CHAN | NONEOS,
/* 0xD3 */ CHAN | NONEOS,
/* 0xD4 */ CHAN | NONEOS,
/* 0xD5 */ CHAN | NONEOS,
/* 0xD6 */ CHAN | NONEOS,
/* 0xD7 */ CHAN | NONEOS,
/* 0xD8 */ CHAN | NONEOS,
/* 0xD9 */ CHAN | NONEOS,
/* 0xDA */ CHAN | NONEOS,
/* 0xDB */ CHAN | NONEOS,
/* 0xDC */ CHAN | NONEOS,
/* 0xDD */ CHAN | NONEOS,
/* 0xDE */ CHAN | NONEOS,
/* 0xDF */ CHAN | NONEOS,
/* 0xE0 */ CHAN | NONEOS,
/* 0xE1 */ CHAN | NONEOS,
/* 0xE2 */ CHAN | NONEOS,
/* 0xE3 */ CHAN | NONEOS,
/* 0xE4 */ CHAN | NONEOS,
/* 0xE5 */ CHAN | NONEOS,
/* 0xE6 */ CHAN | NONEOS,
/* 0xE7 */ CHAN | NONEOS,
/* 0xE8 */ CHAN | NONEOS,
/* 0xE9 */ CHAN | NONEOS,
/* 0xEA */ CHAN | NONEOS,
/* 0xEB */ CHAN | NONEOS,
/* 0xEC */ CHAN | NONEOS,
/* 0xED */ CHAN | NONEOS,
/* 0xEE */ CHAN | NONEOS,
/* 0xEF */ CHAN | NONEOS,
/* 0xF0 */ CHAN | NONEOS,
/* 0xF1 */ CHAN | NONEOS,
/* 0xF2 */ CHAN | NONEOS,
/* 0xF3 */ CHAN | NONEOS,
/* 0xF4 */ CHAN | NONEOS,
/* 0xF5 */ CHAN | NONEOS,
/* 0xF6 */ CHAN | NONEOS,
/* 0xF7 */ CHAN | NONEOS,
/* 0xF8 */ CHAN | NONEOS,
/* 0xF9 */ CHAN | NONEOS,
/* 0xFA */ CHAN | NONEOS,
/* 0xFB */ CHAN | NONEOS,
/* 0xFC */ CHAN | NONEOS,
/* 0xFD */ CHAN | NONEOS,
/* 0xFE */ CHAN | NONEOS,
/* 0xFF */ CHAN | NONEOS
}};