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/*
* Copyright (C) 2009-2010 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou(at)doubango.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 tsdp_header_T.c
* @brief SDP "t=" header (Timing).
*
* @author Mamadou Diop <diopmamadou(at)doubango.org>
*
* @date Created: Uat Nov 8 16:54:58 2009 mdiop
*/
#include "tinysdp/headers/tsdp_header_T.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
#include "tsk_string.h"
#include <string.h>
/***********************************
* Ragel state machine.
*/
%%{
machine tsdp_machine_parser_header_T;
# Includes
include tsdp_machine_utils "./ragel/tsdp_machine_utils.rl";
action tag{
tag_start = p;
}
action parse_value{
TSK_PARSER_SET_STRING(hdr_T->value);
}
action parse_start_time{
TSK_PARSER_SET_INTEGER_EX(hdr_T->start, uint64_t, atoi64);
}
action parse_stop_time{
TSK_PARSER_SET_INTEGER_EX(hdr_T->stop, uint64_t, atoi64);
}
action parse_repeat_fields{
tsdp_header_R_t* header_R;
if((header_R = tsdp_header_R_parse(tag_start, (p - tag_start)))){
if(!hdr_T->repeat_fields){
hdr_T->repeat_fields = tsk_list_create();
}
tsk_list_push_back_data(hdr_T->repeat_fields, (void**)&header_R);
}
}
start_time = DIGIT+ >tag %parse_start_time;
stop_time = DIGIT+ >tag %parse_stop_time;
repeat_fields = any+ >tag %parse_repeat_fields;
T = 't' SP* "=" SP*<: start_time :>SP stop_time (CRLF <:repeat_fields)?;
# Entry point
main := T :>CRLF?;
}%%
tsdp_header_T_t* tsdp_header_T_create(uint64_t start, uint64_t stop)
{
return tsk_object_new(TSDP_HEADER_T_VA_ARGS(start, stop));
}
tsdp_header_T_t* tsdp_header_T_create_null()
{
return tsdp_header_T_create(0, 0);
}
int tsdp_header_T_tostring(const tsdp_header_t* header, tsk_buffer_t* output)
{
if(header)
{
const tsdp_header_T_t *T = (const tsdp_header_T_t *)header;
const tsk_list_item_t *item;
//"t=3034423619 3042462419\r\n"
//"r=7d 1h 0 25h\r\n"
// IMPORTANT: Do not append the last CRLF (because we only print the header value).
tsk_buffer_append_2(output, "%llu %llu",
T->start,
T->stop
);
tsk_list_foreach(item, T->repeat_fields)
{
if(TSK_LIST_IS_FIRST(T->repeat_fields, item)){
tsk_buffer_append(output, "\r\n", 2);
}
tsk_buffer_append_2(output, "%c=", tsdp_header_get_nameex(TSDP_HEADER(item->data)));
TSDP_HEADER(item->data)->tostring(TSDP_HEADER(item->data), output);
//tsdp_header_tostring(TSDP_HEADER(item->data), output);
if(!TSK_LIST_IS_LAST(T->repeat_fields, item)){
tsk_buffer_append(output, "\r\n", 2);
}
}
return 0;
}
return -1;
}
tsdp_header_t* tsdp_header_T_clone(const tsdp_header_t* header)
{
if(header){
const tsdp_header_T_t *T = (const tsdp_header_T_t *)header;
tsdp_header_T_t* clone;
const tsk_list_item_t *item;
if((clone = tsdp_header_T_create(T->start, T->stop))){
if(T->repeat_fields){
clone->repeat_fields = tsk_list_create();
}
tsk_list_foreach(item, T->repeat_fields){
const tsdp_header_t* curr = item->data;
tsdp_header_t* hdr_clone = curr->clone(curr);
tsk_list_push_back_data(clone->repeat_fields, (void**)&hdr_clone);
}
}
return TSDP_HEADER(clone);
}
return tsk_null;
}
tsdp_header_T_t *tsdp_header_T_parse(const char *data, tsk_size_t size)
{
int cs = 0;
const char *p = data;
const char *pe = p + size;
const char *eof = pe;
tsdp_header_T_t *hdr_T = tsdp_header_T_create_null();
const char *tag_start;
%%write data;
%%write init;
%%write exec;
if( cs < %%{ write first_final; }%% ){
TSK_DEBUG_ERROR("Failed to parse \"t=\" header.");
TSK_OBJECT_SAFE_FREE(hdr_T);
}
return hdr_T;
}
//========================================================
// T header object definition
//
static tsk_object_t* tsdp_header_T_ctor(tsk_object_t *self, va_list * app)
{
tsdp_header_T_t *T = self;
if(T){
TSDP_HEADER(T)->type = tsdp_htype_T;
TSDP_HEADER(T)->tostring = tsdp_header_T_tostring;
TSDP_HEADER(T)->clone = tsdp_header_T_clone;
TSDP_HEADER(T)->rank = TSDP_HTYPE_T_RANK;
}
else{
TSK_DEBUG_ERROR("Failed to create new U header.");
}
return self;
}
static tsk_object_t* tsdp_header_T_dtor(tsk_object_t *self)
{
tsdp_header_T_t *T = self;
if(T){
TSK_OBJECT_SAFE_FREE(T->repeat_fields);
}
else{
TSK_DEBUG_ERROR("Null U header.");
}
return self;
}
static int tsdp_header_T_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2)
{
if(obj1 && obj2){
return tsdp_header_rank_cmp(obj1, obj2);
}
else{
return -1;
}
}
static const tsk_object_def_t tsdp_header_T_def_s =
{
sizeof(tsdp_header_T_t),
tsdp_header_T_ctor,
tsdp_header_T_dtor,
tsdp_header_T_cmp
};
const tsk_object_def_t *tsdp_header_T_def_t = &tsdp_header_T_def_s;
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