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construct/ircd/rfc1459.cc

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/**
* charybdis: libirc: Formal IRC library
* rfc1459.cc: rfc1459 compliance implementation
*
* Copyright (C) 2016 Charybdis Development Team
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <boost/spirit/include/qi.hpp>
#include <ircd/bufs.h>
namespace qi = boost::spirit::qi;
BOOST_FUSION_ADAPT_STRUCT
(
ircd::rfc1459::pfx,
( ircd::rfc1459::nick, nick )
( ircd::rfc1459::user, user )
( ircd::rfc1459::host, host )
)
BOOST_FUSION_ADAPT_STRUCT
(
ircd::rfc1459::line,
( ircd::rfc1459::pfx, pfx )
( ircd::rfc1459::cmd, cmd )
( ircd::rfc1459::parv, parv )
)
namespace ircd {
namespace rfc1459 {
using qi::lit;
using qi::char_;
using qi::repeat;
using qi::attr;
using qi::eps;
/* 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>
struct 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, std::string()> hostname;
qi::rule<it, std::string()> user;
qi::rule<it, std::string()> server;
qi::rule<it, std::string()> nick;
qi::rule<it, rfc1459::pfx> prefix;
qi::rule<it, std::string()> trailing;
qi::rule<it, std::string()> middle;
qi::rule<it, rfc1459::parv> params;
qi::rule<it, std::string()> numeric;
qi::rule<it, rfc1459::cmd> command;
qi::rule<it, rfc1459::line> line;
qi::rule<it, rfc1459::tape> tape;
grammar(qi::rule<it, top> &top_rule);
};
/* Instantiate the grammar to parse a uint8_t* 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.
*/
struct head
:grammar<const uint8_t *, rfc1459::line>
{
head(): grammar{grammar::line} {}
}
static const head;
/* Instantiate the grammar to parse a uint8_t* buffer into an rfc1459::tape object.
* The top rule is now grammar::tape and the target object is an rfc1459::tape deque.
*/
struct capstan
:grammar<const uint8_t *, rfc1459::tape>
{
capstan(): grammar{grammar::tape} {}
}
static const capstan;
} // namespace rfc1459
} // namespace ircd
using namespace ircd;
template<class it,
class top>
rfc1459::grammar<it, top>::grammar(qi::rule<it, top> &top_rule)
: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_(gather(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
{
+char_(gather(character::HOST)) // TODO: https://tools.ietf.org/html/rfc952
,"hostname"
}
,user // A valid username
{
+char_(gather(character::USER))
,"user"
}
,server // A valid servername
{
hostname
,"server"
}
,nick // A valid nickname, leading letter followed by any NICK chars
{
char_(gather(character::ALPHA)) >> *char_(gather(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 >> +(char_ - nulcrlf)
,"trailing"
}
,middle // Spaced parameters
{
!colon >> +(char_ - spnulcrlf)
,"middle"
}
,params // Parameter vector
{
*(+space >> middle) >> -(+space >> trailing)
,"params"
}
,numeric // \d\d\d numeric
{
repeat(3)[char_(gather(character::DIGIT))]
,"numeric"
}
,command // A command or numeric
{
+char_(gather(character::ALPHA)) | numeric
,"command"
}
,line
{
-(prefix >> +space) >> command >> params
,"line"
}
,tape
{
+(line >> +terminator)
,"tape"
}
{
}
// Informal stream (for now)
// NOTE: unterminated
std::ostream &
rfc1459::operator<<(std::ostream &s, const line &line)
{
const auto &pfx(line.pfx);
if(!pfx.nick.empty() || !pfx.user.empty() || !pfx.host.empty())
s << pfx << ' ';
s << line.cmd;
const auto &parv(line.parv);
if(!parv.empty())
s << ' ' << parv;
return s;
}
// Informal stream (for now)
std::ostream &
rfc1459::operator<<(std::ostream &s, const parv &parv)
{
ssize_t i(0);
for(; i < ssize_t(parv.size()) - 1; ++i)
s << parv[i] << ' ';
if(!parv.empty())
s << ':' << parv[parv.size() - 1];
return s;
}
// Informal stream (for now)
std::ostream &
rfc1459::operator<<(std::ostream &s, const pfx &pfx)
{
s << ':';
if(!pfx.nick.empty())
s << pfx.nick;
else
s << '*';
s << '!';
if(!pfx.user.empty())
s << pfx.user;
else
s << '*';
s << '@';
if(!pfx.host.empty())
s << pfx.host;
else
s << '*';
return s;
}
rfc1459::tape::tape(const std::string &str)
:tape
{
reinterpret_cast<const uint8_t *>(str.data()),
str.size()
}
{
}
rfc1459::tape::tape(const char *const &str)
:tape
{
reinterpret_cast<const uint8_t *>(str),
strlen(str)
}
{
}
rfc1459::tape::tape(const uint8_t *const &buf,
const size_t &size)
try
{
const uint8_t *start(buf);
const uint8_t *stop(buf + size);
qi::parse(start, stop, capstan, *this);
}
catch(const boost::spirit::qi::expectation_failure<const uint8_t *> &e)
{
throw syntax_error("@%d expecting :%s",
int(e.last - e.first),
string(e.what_).c_str());
}
bool
rfc1459::tape::append(const char *const &buf,
const size_t &len)
{
const auto &start(reinterpret_cast<const uint8_t *>(buf));
const auto &stop(start + len);
return qi::parse(start, stop, capstan, *this);
}
rfc1459::line::line(const std::string &str)
:line
{
reinterpret_cast<const uint8_t *>(str.data()),
str.size()
}
{
}
rfc1459::line::line(const char *const &str)
:line
{
reinterpret_cast<const uint8_t *>(str),
strlen(str)
}
{
}
rfc1459::line::line(const uint8_t *const &buf,
const size_t &size)
try
{
const uint8_t *start(buf);
const uint8_t *stop(buf + size);
qi::parse(start, stop, head, *this);
}
catch(const boost::spirit::qi::expectation_failure<const uint8_t *> &e)
{
throw syntax_error("@%d expecting :%s",
int(e.last - e.first),
string(e.what_).c_str());
}
std::string
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
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;
}
decltype(rfc1459::character::tolower_tab)
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,
' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
'*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
':', ';', '<', '=', '>', '?',
'@', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
'_',
'`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
0x7f,
0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};
decltype(rfc1459::character::toupper_tab)
rfc1459::character::toupper_tab
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a,
0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14,
0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
0x1e, 0x1f,
' ', '!', '"', '#', '$', '%', '&', 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
*/
const decltype(rfc1459::character::attrs)
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
}};