/*
* Copyright (C) 2010-2011 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* DOUBANGO is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DOUBANGO.
*
*/
/**@file tsip_machine_utils.rl
* @brief Ragel file.
*
* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
*
*/
%%{
machine tsip_machine_utils;
#OCTET = 0x00..0xff;
OCTET = "0x"[0-9A-Fa-f]+;
CHAR = 0x01..0x7f;
VCHAR = 0x21..0x7e;
ALPHA = 0x41..0x5a | 0x61..0x7a;
DIGIT = 0x30..0x39;
CTL = 0x00..0x1f | 0x7f;
HTAB = "\t";
LF = "\n";
CR = "\r";
SP = " ";
DQUOTE = "\"";
BIT = "0" | "1";
HEXDIG = DIGIT | "A"i | "B"i | "C"i | "D"i | "E"i | "F"i;
CRLF = CR LF;
WSP = SP | HTAB;
LWSP = ( WSP | ( CRLF WSP ) )*;
LWS = ( WSP* CRLF )? WSP+;
SWS = LWS?;
EQUAL = SWS "=" SWS;
LHEX = DIGIT | 0x61..0x66;
HCOLON = ( SP | HTAB )* ":" SWS;
separators = "(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\\" | DQUOTE | "/" | "[" | "]" | "?" | "=" | "{" | "}" | SP | HTAB;
STAR = SWS "*" SWS;
SLASH = SWS "/" SWS;
LPAREN = SWS "(" SWS;
RPAREN = SWS ")" SWS;
COMMA = SWS "," SWS;
SEMI = SWS ";" SWS;
COLON = SWS ":" SWS;
LAQUOT = SWS "<";
LDQUOT = SWS DQUOTE;
RAQUOT = ">" SWS;
RDQUOT = DQUOTE SWS;
UTF8_CONT = 0x80..0xbf;
##### FIXME: UTF8_NONASCII up to 2bytes will fail on Android
UTF8_NONASCII = ( 0x80..0xff );
#UTF8_NONASCII = ( 0xc0..0xdf UTF8_CONT ) | ( 0xe0..0xef UTF8_CONT{2} ) | ( 0xf0..0xf7 UTF8_CONT{3} ) | ( 0xf8..0xfb UTF8_CONT{4} ) | ( 0xfc..0xfd UTF8_CONT{5} ); ctext = 0x21..0x27 | 0x2a..0x5b | 0x5d..0x7e | UTF8_NONASCII | LWS;
qvalue = ( "0" ( "." DIGIT{,3} )? ) | ( "1" ( "." "0"{,3} )? );
alphanum = ALPHA | DIGIT;
token = ( alphanum | "-" | "." | "!" | "%" | "*" | "_" | "+" | "`" | "'" | "~" )+;
ietf_token = token;
x_token = "x-"i token;
iana_token = token;
token_nodot = ( alphanum | "-" | "!" | "%" | "*" | "_" | "+" | "`" | "'" | "~" )+;
word = ( alphanum | "-" | "." | "!" | "%" | "*" | "_" | "+" | "`" | "'" | "~" | "(" | ")" | "<" | ">" | ":" | "\\" | DQUOTE | "/" | "[" | "]" | "?" | "{" | "}" )+;
domainlabel = alphanum | ( alphanum ( alphanum | "-" )* alphanum );
toplabel = ALPHA | ( ALPHA ( alphanum | "-" )* alphanum );
hostname = ( domainlabel "." )* toplabel "."?;
IPv4address = DIGIT{1,3} "." DIGIT{1,3} "." DIGIT{1,3} "." DIGIT{1,3};
hex4 = HEXDIG{1,4};
hexseq = hex4 ( ":" hex4 )*;
hexpart = hexseq | ( hexseq "::" hexseq? ) | ( "::" hexseq? );
IPv6address = hexpart ( ":" IPv4address )?;
IPv6reference = "[" IPv6address "]";
host = hostname | IPv4address | IPv6reference;
qdtext = LWS | "!" | 0x23..0x5b | 0x5d..0x7e | UTF8_NONASCII;
quoted_pair = "\\" ( 0x00..0x09 | 0x0b..0x0c | 0x0e..0x7f );
quoted_string = SWS DQUOTE ( qdtext | quoted_pair )* DQUOTE;
gen_value = token | host | quoted_string;
generic_param = token ( EQUAL gen_value )?;
accept_param = ( "q"i EQUAL qvalue ) | generic_param;
mark = "-" | "_" | "." | "!" | "~" | "*" | "'" | "(" | ")";
unreserved = alphanum | mark;
escaped = "%" HEXDIG HEXDIG;
user_unreserved = "&" | "=" | "+" | "$" | "," | ";" | "?" | "/";
user = ( unreserved | escaped | user_unreserved )+;
visual_separator = "-" | "." | "(" | ")";
phonedigit = DIGIT | visual_separator?;
global_number_digits = "+" phonedigit* DIGIT phonedigit*;
param_unreserved = "[" | "]" | "/" | ":" | "&" | "+" | "$";
pct_encoded = "%" HEXDIG HEXDIG;
paramchar = param_unreserved | unreserved | pct_encoded;
pname = paramchar+;
pvalue = paramchar+;
parameter = ";" pname ( "=" pvalue )?;
extension = ";ext="i phonedigit+;
reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" | "$" | ",";
uric = reserved | unreserved | escaped;
isdn_subaddress = ";isub="i uric+;
not_defined = token;
global_rn = not_defined;
hex_phonedigit = HEXDIG | visual_separator;
domainname = ( domainlabel "." )* toplabel "."?;
phonedigit_hex = HEXDIG | "*" | "#" | visual_separator?;
global_hex_digits = "+" phonedigit{1,3} phonedigit_hex*;
rn_descriptor = domainname | global_hex_digits;
rn_context = ";rn-context="i rn_descriptor;
local_rn = hex_phonedigit+ rn_context;
rn = ";rn="i ( global_rn | local_rn );
global_cic = global_hex_digits;
cic_context = ";cic-context="i rn_descriptor;
local_cic = hex_phonedigit+ cic_context;
cic = ";cic="i ( global_cic | local_cic );
npdi = ";npdi"i;
enum_dip_indicator = ";enumdi"i;
trunk_group_unreserved = "/" | "&" | "+" | "$";
trunk_group_label = ( unreserved | escaped | trunk_group_unreserved )+;
trunk_group = ";tgrp="i trunk_group_label;
descriptor = domainname | global_number_digits;
trunk_context = ";trunk-context="i descriptor;
par = parameter | extension | isdn_subaddress | rn | cic | npdi | enum_dip_indicator | trunk_group | trunk_context;
global_number = global_number_digits par*;
local_number_digits = phonedigit_hex* ( HEXDIG | "*" | "#" ) phonedigit_hex*;
context = ";phone-context="i descriptor;
local_number = local_number_digits par* context par*;
telephone_subscriber = global_number | local_number;
password = ( unreserved | escaped | "&" | "=" | "+" | "$" | "," )*;
userinfo = ( user | telephone_subscriber ) ( ":" password )? "@";
port = DIGIT+;
hostport = host ( ":" port )?;
other_transport = token;
transport_param = "transport="i ( "udp"i | "tcp"i | "sctp"i | "tls"i | "tls-sctp"i | other_transport );
other_user = token;
user_param = "user="i ( "phone"i | "ip"i | "dialstring"i | other_user );
ttl = DIGIT{1,3};
ttl_param = "ttl="i ttl;
maddr_param = "maddr="i host;
lr_param = "lr"i;
option_tag = token;
other_compression = token;
compression_param = "comp="i ( "sigcomp"i | other_compression );
target_param = "target"i EQUAL pvalue;
orig = "orig"i;
gr_param = "gr"i ( "=" pvalue )?;
other_param = pname ( "=" pvalue )?;
tag_param = "tag"i EQUAL token;
scheme = ALPHA ( ALPHA | DIGIT | "+" | "-" | "." )*;
hnv_unreserved = "[" | "]" | "/" | "?" | ":" | "+" | "$";
hname = ( hnv_unreserved | unreserved | escaped )+;
hvalue = ( hnv_unreserved | unreserved | escaped )*;
header = hname ( "=" hvalue )?;
headers = "?" header ( "&" header )*;
Informational = "100" | "180" | "181" | "182" | "183";
Success = "200" | "202";
Redirection = "250" | "301" | "302" | "305" | "380";
Client_Error = "400" | "401" | "402" | "403" | "404" | "405" | "406" | "407" | "408" | "410" | "412" | "413" | "414" | "415" | "416" | "417" | "420" | "421" | "422" | "423" | "428" | "429" | "433" | "436" | "440" | "437" | "438" | "470" | "480" | "481" | "482" | "483" | "484" | "485" | "486" | "487" | "488" | "489" | "491" | "493" | "494";
Server_Error = "500" | "501" | "502" | "503" | "504" | "505" | "513" | "580";
Global_Failure = "600" | "603" | "604" | "606";
extension_code = DIGIT{3};
delta_seconds = DIGIT+;
Status_Code = Informational | Success | Redirection | Client_Error | Server_Error | Global_Failure | extension_code;
cause_param = "cause"i EQUAL Status_Code;
INVITEm = 0x49.0x4e.0x56.0x49.0x54.0x45;
ACKm = 0x41.0x43.0x4b;
OPTIONSm = 0x4f.0x50.0x54.0x49.0x4f.0x4e.0x53;
BYEm = 0x42.0x59.0x45;
CANCELm = 0x43.0x41.0x4e.0x43.0x45.0x4c;
REGISTERm = 0x52.0x45.0x47.0x49.0x53.0x54.0x45.0x52;
INFOm = 0x49.0x4e.0x46.0x4f;
PRACKm = 0x50.0x52.0x41.0x43.0x4b;
SUBSCRIBEm = 0x53.0x55.0x42.0x53.0x43.0x52.0x49.0x42.0x45;
NOTIFYm = 0x4e.0x4f.0x54.0x49.0x46.0x59;
UPDATEm = 0x55.0x50.0x44.0x41.0x54.0x45;
MESSAGEm = 0x4d.0x45.0x53.0x53.0x41.0x47.0x45;
REFERm = 0x52.0x45.0x46.0x45.0x52;
PUBLISHm = 0x50.0x55.0x42.0x4c.0x49.0x53.0x48;
extension_method = token;
Method = INVITEm | ACKm | OPTIONSm | BYEm | CANCELm | REGISTERm | INFOm | PRACKm | SUBSCRIBEm | NOTIFYm | UPDATEm | MESSAGEm | REFERm | PUBLISHm | extension_method;
method_param = "method="i Method;
}%%