diff options
Diffstat (limited to 'tinySIP/ragel/tsip_parser_header_To.rl')
-rw-r--r-- | tinySIP/ragel/tsip_parser_header_To.rl | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/tinySIP/ragel/tsip_parser_header_To.rl b/tinySIP/ragel/tsip_parser_header_To.rl new file mode 100644 index 0000000..9099469 --- /dev/null +++ b/tinySIP/ragel/tsip_parser_header_To.rl @@ -0,0 +1,200 @@ +/* +* 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_To.c + * @brief SIP To/t header. + * + * @author Mamadou Diop <diopmamadou(at)doubango[dot]org> + * + + */ +#include "tinysip/headers/tsip_header_To.h" + +#include "tinysip/parsers/tsip_parser_uri.h" + +#include "tsk_debug.h" +#include "tsk_memory.h" + + + +/*********************************** +* Ragel state machine. +*/ +%%{ + machine tsip_machine_parser_header_To; + + # Includes + include tsip_machine_utils "./ragel/tsip_machine_utils.rl"; + + action tag{ + tag_start = p; + } + + action parse_uri{ + int len = (int)(p - tag_start); + if(hdr_to && !hdr_to->uri){ + if((hdr_to->uri = tsip_uri_parse(tag_start, (tsk_size_t)len)) && hdr_to->display_name){ + hdr_to->uri->display_name = tsk_strdup(hdr_to->display_name); + } + } + } + + action parse_display_name{ + TSK_PARSER_SET_STRING(hdr_to->display_name); + tsk_strunquote(&hdr_to->display_name); + } + + action parse_tag{ + TSK_PARSER_SET_STRING(hdr_to->tag); + } + + action parse_param{ + TSK_PARSER_ADD_PARAM(TSIP_HEADER_PARAMS(hdr_to)); + } + + action eob{ + } + + my_tag_param = "tag"i EQUAL token>tag %parse_tag; + to_param = my_tag_param@1 | (generic_param)@0 >tag %parse_param; + + 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; + + To = ( "To"i | "t"i ) HCOLON ( my_name_addr | URI ) ( SEMI to_param )*; + + # Entry point + main := To :>CRLF @eob; + +}%% + +tsip_header_To_t* tsip_header_To_create(const char* display_name, const tsip_uri_t* uri, const char* tag) +{ + return tsk_object_new(TSIP_HEADER_TO_VA_ARGS(display_name, uri, tag)); +} + +tsip_header_To_t* tsip_header_To_create_null() +{ + return tsip_header_To_create(tsk_null, tsk_null, tsk_null); +} + +int tsip_header_To_serialize(const tsip_header_t* header, tsk_buffer_t* output) +{ + if(header){ + int ret = 0; + const tsip_header_To_t *To = (const tsip_header_To_t *)header; + + /* Uri with hacked display-name*/ + if((ret = tsip_uri_serialize(To->uri, tsk_true, tsk_true, output))){ + return ret; + } + if(To->tag && (ret = tsk_buffer_append_2(output, ";tag=%s", To->tag))){ + return ret; + } + return ret; + } + return -1; +} + +tsip_header_To_t *tsip_header_To_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_To_t *hdr_to = tsip_header_To_create_null(); + + const char *tag_start = tsk_null; + + %%write data; + (void)(eof); + (void)(tsip_machine_parser_header_To_first_final); + (void)(tsip_machine_parser_header_To_error); + (void)(tsip_machine_parser_header_To_en_main); + %%write init; + %%write exec; + + if( cs < %%{ write first_final; }%% ){ + TSK_DEBUG_ERROR("Failed to parse 'To' header."); + TSK_OBJECT_SAFE_FREE(hdr_to); + } + + return hdr_to; +} + + + + + + + +//======================================================== +// To header object definition +// + +static tsk_object_t* tsip_header_To_ctor(tsk_object_t *self, va_list * app) +{ + tsip_header_To_t *To = self; + if(To){ + const char* display_name = va_arg(*app, const char *); + const tsip_uri_t* uri = va_arg(*app, const tsip_uri_t *); + const char* tag = va_arg(*app, const char *); + + To->display_name = tsk_strdup(display_name); + if(uri) To->uri = tsk_object_ref((void *)uri); + To->tag = tsk_strdup(tag); + + TSIP_HEADER(To)->type = tsip_htype_To; + TSIP_HEADER(To)->serialize = tsip_header_To_serialize; + } + else{ + TSK_DEBUG_ERROR("Failed to create new To header."); + } + return self; +} + +static tsk_object_t* tsip_header_To_dtor(tsk_object_t *self) +{ + tsip_header_To_t *To = self; + if(To){ + TSK_FREE(To->display_name); + TSK_FREE(To->tag); + + TSK_OBJECT_SAFE_FREE(To->uri); + TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(To)); + } + else{ + TSK_DEBUG_ERROR("Null To header."); + } + + return self; +} + +static const tsk_object_def_t tsip_header_To_def_s = +{ + sizeof(tsip_header_To_t), + tsip_header_To_ctor, + tsip_header_To_dtor, + tsk_null +}; +const tsk_object_def_t *tsip_header_To_def_t = &tsip_header_To_def_s; |