diff options
Diffstat (limited to 'tinySIP/ragel/tsip_parser_header_Path.rl')
-rw-r--r-- | tinySIP/ragel/tsip_parser_header_Path.rl | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/tinySIP/ragel/tsip_parser_header_Path.rl b/tinySIP/ragel/tsip_parser_header_Path.rl new file mode 100644 index 0000000..e4fadad --- /dev/null +++ b/tinySIP/ragel/tsip_parser_header_Path.rl @@ -0,0 +1,214 @@ +/* +* 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_header_Path.c + * @brief SIP Service-Path header as per RFC 3608. + * + * @author Mamadou Diop <diopmamadou(at)doubango[dot]org> + * + + */ +#include "tinysip/headers/tsip_header_Path.h" + +#include "tinysip/parsers/tsip_parser_uri.h" + +#include "tsk_debug.h" +#include "tsk_memory.h" +#include "tsk_time.h" + +#include <string.h> + + + +/*********************************** +* Ragel state machine. +*/ +%%{ + machine tsip_machine_parser_header_Path; + + # Includes + include tsip_machine_utils "./ragel/tsip_machine_utils.rl"; + + action tag{ + tag_start = p; + } + + action create_path{ + if(!curr_path){ + curr_path = tsip_header_Path_create_null(); + } + } + + action parse_display_name{ + if(curr_path){ + TSK_PARSER_SET_STRING(curr_path->display_name); + tsk_strunquote(&curr_path->display_name); + } + } + + action parse_uri{ + if(curr_path && !curr_path->uri){ + int len = (int)(p - tag_start); + if(curr_path && !curr_path->uri){ + if((curr_path->uri = tsip_uri_parse(tag_start, (tsk_size_t)len)) && curr_path->display_name){ + curr_path->uri->display_name = tsk_strdup(curr_path->display_name); + } + } + } + } + + action parse_param{ + if(curr_path){ + TSK_PARSER_ADD_PARAM(TSIP_HEADER_PARAMS(curr_path)); + } + } + + action add_path{ + if(curr_path){ + tsk_list_push_back_data(hdr_paths, ((void**) &curr_path)); + } + } + + action eob{ + } + + + URI = (scheme HCOLON any+)>tag %parse_uri; + display_name = (( token LWS )+ | quoted_string)>tag %parse_display_name; + my_name_addr = display_name? :>LAQUOT<: URI :>RAQUOT; + + rr_param = (generic_param)>tag %parse_param; + + path_value = (my_name_addr ( SEMI rr_param )*) >create_path %add_path; + Path = "Path" HCOLON path_value (COMMA path_value)*; + + # Entry point + main := Path :>CRLF @eob; + +}%% + + +tsip_header_Path_t* tsip_header_Path_create(const tsip_uri_t* uri) +{ + return tsk_object_new(TSIP_HEADER_PATH_VA_ARGS(uri)); +} + +tsip_header_Path_t* tsip_header_Path_create_null() +{ + return tsip_header_Path_create(tsk_null); +} + +int tsip_header_Path_serialize(const tsip_header_t* header, tsk_buffer_t* output) +{ + if(header){ + const tsip_header_Path_t *Path = (const tsip_header_Path_t *)header; + int ret = 0; + + /* Uri with hacked display-name*/ + if((ret = tsip_uri_serialize(Path->uri, tsk_true, tsk_true, output))){ + return ret; + } + + return ret; + } + + return -1; +} + +tsip_header_Paths_L_t *tsip_header_Path_parse(const char *data, tsk_size_t size) +{ + int cs = 0; + const char *p = data; + const char *pe = p + size; + const char *eof = pe; + tsip_header_Paths_L_t *hdr_paths = tsk_list_create(); + + const char *tag_start = tsk_null; + tsip_header_Path_t *curr_path = tsk_null; + + %%write data; + (void)(eof); + (void)(tsip_machine_parser_header_Path_first_final); + (void)(tsip_machine_parser_header_Path_error); + (void)(tsip_machine_parser_header_Path_en_main); + %%write init; + %%write exec; + + if( cs < %%{ write first_final; }%% ){ + TSK_DEBUG_ERROR("Failed to parse 'Path' header."); + TSK_OBJECT_SAFE_FREE(curr_path); + TSK_OBJECT_SAFE_FREE(hdr_paths); + } + + return hdr_paths; +} + + + + + +//======================================================== +// Path header object definition +// + +static tsk_object_t* tsip_header_Path_ctor(tsk_object_t *self, va_list * app) +{ + tsip_header_Path_t *Path = self; + if(Path){ + const tsip_uri_t* uri = va_arg(*app, const tsip_uri_t*); + + TSIP_HEADER(Path)->type = tsip_htype_Path; + TSIP_HEADER(Path)->serialize = tsip_header_Path_serialize; + if(uri){ + Path->uri = tsk_object_ref((void*)uri); + } + } + else{ + TSK_DEBUG_ERROR("Failed to create new Path header."); + } + return self; +} + +static tsk_object_t* tsip_header_Path_dtor(tsk_object_t *self) +{ + tsip_header_Path_t *Path = self; + if(Path){ + TSK_FREE(Path->display_name); + TSK_OBJECT_SAFE_FREE(Path->uri); + + TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Path)); + } + else{ + TSK_DEBUG_ERROR("Null Path header."); + } + + return self; +} + +static const tsk_object_def_t tsip_header_Path_def_s = +{ + sizeof(tsip_header_Path_t), + tsip_header_Path_ctor, + tsip_header_Path_dtor, + tsk_null +}; +const tsk_object_def_t *tsip_header_Path_def_t = &tsip_header_Path_def_s; |