doubango/trunk/tinyMSRP/ragel/tmsrp_parser_header_Status.rl

171 lines
4.0 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 tmsrp_header_Status.c
* @brief MSRP 'Status' header.
*
* @author Mamadou Diop <diopmamadou(at)yahoo.fr>
*
* @date Created: Sat Nov 8 16:54:58 2009 mdiop
*/
#include "tinyMSRP/headers/tmsrp_header_Status.h"
#include "tsk_debug.h"
#include "tsk_memory.h"
#include "tsk_string.h"
#include <string.h>
/***********************************
* Ragel state machine.
*/
%%{
machine tmsrp_machine_parser_header_Status;
# Includes
include tmsrp_machine_utils "./tmsrp_machine_utils.rl";
action tag{
tag_start = p;
}
action parse_namespace{
TSK_PARSER_SET_INT(hdr_Status->namespace);
}
action parse_code{
TSK_PARSER_SET_INT(hdr_Status->code);
}
action parse_reason{
TSK_PARSER_SET_STRING(hdr_Status->reason);
}
#/// @par ABNF : Status = "Status:" SP namespace SP status-code [SP text-reason]
#/// namespace = 3(DIGIT) ; "000" for all codes defined in RFC 4975
#/// text-reason = utf8text
Status = "Status:"i SP DIGIT{3}>tag %parse_namespace SP DIGIT{3}>tag %parse_code (SP utf8text>tag %parse_reason)?;
# Entry point
main := Status :>CRLF?;
}%%
int tmsrp_header_Status_tostring(const tmsrp_header_t* header, tsk_buffer_t* output)
{
if(header)
{
const tmsrp_header_Status_t *Status = (const tmsrp_header_Status_t *)header;
// Status: 000 200 OK
return tsk_buffer_appendEx(output, "%.3hi %.3hi%s%s",
Status->namespace,
Status->code,
Status->reason ? " " : "",
Status->reason ? Status->reason : ""
);
}
return -1;
}
tmsrp_header_Status_t *tmsrp_header_Status_parse(const char *data, size_t size)
{
int cs = 0;
const char *p = data;
const char *pe = p + size;
const char *eof = pe;
tmsrp_header_Status_t *hdr_Status = TMSRP_HEADER_STATUS_CREATE_NULL();
const char *tag_start;
%%write data;
%%write init;
%%write exec;
if( cs < %%{ write first_final; }%% ){
TSK_DEBUG_ERROR("Failed to parse 'Status' header.");
TSK_OBJECT_SAFE_FREE(hdr_Status);
}
return hdr_Status;
}
//========================================================
// Status header object definition
//
static void* tmsrp_header_Status_create(void *self, va_list * app)
{
tmsrp_header_Status_t *Status = self;
if(Status)
{
TMSRP_HEADER(Status)->type = tmsrp_htype_Status;
TMSRP_HEADER(Status)->tostring = tmsrp_header_Status_tostring;
#if defined(__GNUC__)
Status->namespace = (short)va_arg(*app, int);
Status->code = (short)va_arg(*app, int);
#else
Status->namespace = va_arg(*app, short);
Status->code = va_arg(*app, short);
#endif
Status->reason = tsk_strdup( va_arg(*app, const char*) );
}
else{
TSK_DEBUG_ERROR("Failed to create new Status header.");
}
return self;
}
static void* tmsrp_header_Status_destroy(void *self)
{
tmsrp_header_Status_t *Status = self;
if(Status){
TSK_FREE(Status->reason);
}
else{
TSK_DEBUG_ERROR("Null Status header.");
}
return self;
}
static int tmsrp_header_Status_cmp(const tsk_object_t *obj1, const tsk_object_t *obj2)
{
return -1;
}
static const tsk_object_def_t tmsrp_header_Status_def_s =
{
sizeof(tmsrp_header_Status_t),
tmsrp_header_Status_create,
tmsrp_header_Status_destroy,
tmsrp_header_Status_cmp
};
const void *tmsrp_header_Status_def_t = &tmsrp_header_Status_def_s;