171 lines
4.0 KiB
Ragel
171 lines
4.0 KiB
Ragel
/*
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* Copyright (C) 2009 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou@yahoo.fr>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tmsrp_header_From_Path.c
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* @brief MSRP "From-Path" header.
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*
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* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
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*
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* @date Created: Sat Nov 8 16:54:58 2009 mdiop
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*/
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#include "tinyMSRP/headers/tmsrp_header_From-Path.h"
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#include "tsk_debug.h"
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#include "tsk_memory.h"
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#include "tsk_string.h"
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#include <string.h>
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/***********************************
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* Ragel state machine.
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*/
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%%{
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machine tmsrp_machine_parser_header_From_Path;
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# Includes
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include tmsrp_machine_utils "./tmsrp_machine_utils.rl";
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action tag{
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tag_start = p;
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}
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action parse_uri{
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int len = (int)(p - tag_start);
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tmsrp_uri_t* uri;
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if((uri = tmsrp_uri_parse(tag_start, (size_t)len))){
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if(!header->uri){
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header->uri = uri;
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}
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else{
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if(!header->otherURIs){
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header->otherURIs = TSK_LIST_CREATE();
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}
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tsk_list_push_back_data(header->otherURIs, ((void**) &uri));
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}
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}
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}
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MSRP_URI = (any -- SP)* >tag %parse_uri;
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#//"From-Path:" SP MSRP-URI *( SP MSRP-URI )
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From_Path = "From-Path:"i SP MSRP_URI (SP <:MSRP_URI)*;
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# Entry point
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main := From_Path :>CRLF?;
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}%%
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int tmsrp_header_From_Path_tostring(const tmsrp_header_t* header, tsk_buffer_t* output)
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{
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if(header)
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{
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const tmsrp_header_From_Path_t *From_Path = (const tmsrp_header_From_Path_t *)header;
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const tsk_list_item_t *item;
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if(From_Path->uri){
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tmsrp_uri_serialize(From_Path->uri, output);
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}
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tsk_list_foreach(item, From_Path->otherURIs){
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tsk_buffer_append(output, " ", 1);
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tmsrp_uri_serialize(TMSRP_URI(item->data), output);
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}
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}
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return -1;
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}
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tmsrp_header_From_Path_t *tmsrp_header_From_Path_parse(const char *data, size_t size)
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{
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int cs = 0;
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const char *p = data;
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const char *pe = p + size;
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const char *eof = pe;
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tmsrp_header_From_Path_t *header = TMSRP_HEADER_FROM_PATH_CREATE_NULL();
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const char *tag_start;
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%%write data;
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%%write init;
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%%write exec;
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if( cs < %%{ write first_final; }%% ){
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TSK_DEBUG_ERROR("Failed to parse 'From-Path' header.");
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TSK_OBJECT_SAFE_FREE(header);
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}
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return header;
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}
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//========================================================
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// From_Path header object definition
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//
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static void* tmsrp_header_From_Path_create(void *self, va_list * app)
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{
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tmsrp_header_From_Path_t *From_Path = self;
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if(From_Path)
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{
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TMSRP_HEADER(From_Path)->type = tmsrp_htype_From_Path;
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TMSRP_HEADER(From_Path)->tostring = tmsrp_header_From_Path_tostring;
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From_Path->uri = tsk_object_ref((void*)va_arg(*app, const tmsrp_uri_t*));
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}
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else{
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TSK_DEBUG_ERROR("Failed to create new From-Path header.");
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}
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return self;
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}
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static void* tmsrp_header_From_Path_destroy(void *self)
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{
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tmsrp_header_From_Path_t *From_Path = self;
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if(From_Path){
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TSK_OBJECT_SAFE_FREE(From_Path->uri);
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TSK_OBJECT_SAFE_FREE(From_Path->otherURIs);
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}
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else{
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TSK_DEBUG_ERROR("Null From-Path header.");
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}
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return self;
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}
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static int tmsrp_header_From_Path_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2)
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{
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return -1;
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}
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static const tsk_object_def_t tmsrp_header_From_Path_def_s =
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{
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sizeof(tmsrp_header_From_Path_t),
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tmsrp_header_From_Path_create,
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tmsrp_header_From_Path_destroy,
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tmsrp_header_From_Path_cmp
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};
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const void *tmsrp_header_From_Path_def_t = &tmsrp_header_From_Path_def_s;
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