doubango/trunk/tinySIP/ragel/tsip_parser_header_Expires.rl

152 lines
3.2 KiB
Ragel

/*
* Copyright (C) 2009 Mamadou Diop.
*
* Contact: Mamadou Diop <diopmamadou@yahoo.fr>
*
* 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_Expires.c
* @brief SIP Expires header.
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
* @date Created: Sat Nov 8 16:54:58 2009 mdiop
*/
#include "tinysip/headers/tsip_header_Expires.h"
#include "tinysip/parsers/tsip_parser_uri.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
/**@defgroup tsip_header_Expires_group SIP Expires header.
*/
/***********************************
* Ragel state machine.
*/
%%{
machine tsip_machine_parser_header_Expires;
# Includes
include tsip_machine_utils "./tsip_machine_utils.rl";
action tag
{
tag_start = p;
}
action parse_delta_seconds
{
TSK_PARSER_SET_INTEGER(hdr_expires->delta_seconds);
}
action eob
{
}
Expires = "Expires"i HCOLON delta_seconds>tag %parse_delta_seconds;
# Entry point
main := Expires :>CRLF @eob;
}%%
int tsip_header_Expires_tostring(const void* header, tsk_buffer_t* output)
{
if(header)
{
const tsip_header_Expires_t *Expires = header;
if(Expires->delta_seconds >=0)
{
return tsk_buffer_appendEx(output, "%d", Expires->delta_seconds);
}
}
return -1;
}
tsip_header_Expires_t *tsip_header_Expires_parse(const char *data, size_t size)
{
int cs = 0;
const char *p = data;
const char *pe = p + size;
const char *eof = pe;
tsip_header_Expires_t *hdr_expires = TSIP_HEADER_EXPIRES_CREATE(TSIP_HEADER_EXPIRES_NONE);
const char *tag_start;
%%write data;
%%write init;
%%write exec;
if( cs < %%{ write first_final; }%% )
{
TSK_OBJECT_SAFE_FREE(hdr_expires);
}
return hdr_expires;
}
//========================================================
// Expires header object definition
//
static void* tsip_header_Expires_create(void *self, va_list * app)
{
tsip_header_Expires_t *Expires = self;
if(Expires)
{
TSIP_HEADER(Expires)->type = tsip_htype_Expires;
TSIP_HEADER(Expires)->tostring = tsip_header_Expires_tostring;
Expires->delta_seconds = va_arg(*app, int32_t);
}
else
{
TSK_DEBUG_ERROR("Failed to create new Expires header.");
}
return self;
}
static void* tsip_header_Expires_destroy(void *self)
{
tsip_header_Expires_t *Expires = self;
if(Expires)
{
}
else TSK_DEBUG_ERROR("Null Expires header.");
return self;
}
static const tsk_object_def_t tsip_header_Expires_def_s =
{
sizeof(tsip_header_Expires_t),
tsip_header_Expires_create,
tsip_header_Expires_destroy,
0
};
const void *tsip_header_Expires_def_t = &tsip_header_Expires_def_s;