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author | Mamadou DIOP <bossiel@yahoo.fr> | 2015-08-17 01:56:35 +0200 |
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committer | Mamadou DIOP <bossiel@yahoo.fr> | 2015-08-17 01:56:35 +0200 |
commit | 631fffee8a28b1bec5ed1f1d26a20e0135967f99 (patch) | |
tree | 74afe3bf3efe15aa82bcd0272b2b0f4d48c2d837 /tinyMSRP/ragel/tmsrp_parser_uri.rl | |
parent | 7908865936604036e6f200f1b5e069f8752f3a3a (diff) | |
download | doubango-631fffee8a28b1bec5ed1f1d26a20e0135967f99.zip doubango-631fffee8a28b1bec5ed1f1d26a20e0135967f99.tar.gz |
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Diffstat (limited to 'tinyMSRP/ragel/tmsrp_parser_uri.rl')
-rw-r--r-- | tinyMSRP/ragel/tmsrp_parser_uri.rl | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/tinyMSRP/ragel/tmsrp_parser_uri.rl b/tinyMSRP/ragel/tmsrp_parser_uri.rl new file mode 100644 index 0000000..da46488 --- /dev/null +++ b/tinyMSRP/ragel/tmsrp_parser_uri.rl @@ -0,0 +1,134 @@ +/* +* Copyright (C) 2009-2015 Mamadou DIOP. +* +* 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 tmsrp_header_Dummy.c + * @brief MSRP Dummy header. + */ +#include "tinymsrp/parsers/tmsrp_parser_uri.h" + +#include "tsk_debug.h" +#include "tsk_memory.h" +#include "tsk_string.h" + +#include <string.h> + +/*********************************** +* Ragel state machine. +*/ +%%{ + machine tmsrp_machine_parser_uri; + + # Includes + include tmsrp_machine_utils "./ragel/tmsrp_machine_utils.rl"; + + action tag{ + tag_start = p; + } + + #/* Sets HOST type */ + action is_ipv4 { uri->authority.host_type = tmsrp_host_ipv4; } + action is_ipv6 { uri->authority.host_type = tmsrp_host_ipv6; } + action is_hostname { uri->authority.host_type = tmsrp_host_hostname; } + + action parse_scheme{ + TSK_PARSER_SET_STRING(uri->scheme); + } + + action parse_userinfo{ + TSK_PARSER_SET_STRING(uri->authority.userinfo); + } + + action parse_host{ + TSK_PARSER_SET_STRING(uri->authority.host); + if(uri->authority.host_type == tmsrp_host_ipv6){ + tsk_strunquote_2(&uri->authority.host, '[', ']'); + } + } + + action parse_port{ + TSK_PARSER_SET_INT(uri->authority.port); + } + + action parse_session_id{ + TSK_PARSER_SET_STRING(uri->session_id); + } + + action parse_transport{ + TSK_PARSER_SET_STRING(uri->transport); + } + + action parse_param{ + TSK_PARSER_ADD_PARAM(uri->params); + } + + + + #//MSRP-URI = msrp-scheme "://" authority ["/" session-id] ";" transport *( ";" URI-parameter) + #//msrp-scheme = "msrp" / "msrps" + #//session-id = 1*( unreserved / "+" / "=" / "/" ) + #//transport = "tcp" / 1*ALPHANUM + #//URI-parameter = token ["=" token] + #//authority = [ userinfo "@" ] host [ ":" port ] + + msrp_scheme = ("msrp" | "msrps")>tag %parse_scheme; + + userinfo = (unreserved | pct_encoded | sub_delims | ":")* >tag %parse_userinfo; + myhost = ((IPv6reference >is_ipv6)>2 | (IPv4address >is_ipv4)>1 | (hostname >is_hostname)>0)>tag %parse_host; + authority = (userinfo "@")? myhost (":" port>tag %parse_port)?; + + session_id = (unreserved | "+" | "=" | "/")+ >tag %parse_session_id; + + transport = ("tcp" | alphanum*)>tag %parse_transport; + + URI_parameter = (token ("=" token)?)>tag %parse_param; + + URI = msrp_scheme "://" authority ("/" session_id)? ";" transport ( ";" URI_parameter)*; + + # Entry point + main := URI; +}%% + +tmsrp_uri_t *tmsrp_uri_parse(const char *data, tsk_size_t size) +{ + int cs = 0; + const char *p = data; + const char *pe = p + size; + const char *eof = pe; + tmsrp_uri_t *uri = tmsrp_uri_create_null(); + + const char *tag_start = tsk_null; + + TSK_RAGEL_DISABLE_WARNINGS_BEGIN() + %%write data; + (void)(eof); + (void)(tmsrp_machine_parser_uri_first_final); + (void)(tmsrp_machine_parser_uri_error); + (void)(tmsrp_machine_parser_uri_en_main); + %%write init; + %%write exec; + TSK_RAGEL_DISABLE_WARNINGS_END() + + if( cs < %%{ write first_final; }%% ){ + TSK_DEBUG_ERROR("Failed to parse MSRP/MSRPS header."); + TSK_OBJECT_SAFE_FREE(uri); + } + + return uri; +}
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