191 lines
4.2 KiB
Ragel
Executable File
191 lines
4.2 KiB
Ragel
Executable File
/*
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* Copyright (C) 2010-2011 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]org>
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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 tsip_header_Allow.c
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* @brief SIP Allow header.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
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*
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*/
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#include "tinysip/headers/tsip_header_Allow.h"
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#include "tinysip/parsers/tsip_parser_uri.h"
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#include "tsk_debug.h"
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#include "tsk_memory.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 tsip_machine_parser_header_Allow;
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# Includes
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include tsip_machine_utils "./ragel/tsip_machine_utils.rl";
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action tag
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{
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tag_start = p;
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}
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action parse_method
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{
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TSK_PARSER_ADD_STRING(hdr_allow->methods);
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}
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action eob
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{
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}
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Allow = "Allow"i HCOLON ( Method>tag %parse_method ( COMMA Method>tag %parse_method )* )?;
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# Entry point
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main := Allow :>CRLF @eob;
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}%%
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tsip_header_Allow_t* tsip_header_Allow_create()
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{
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return tsk_object_new(tsip_header_Allow_def_t);
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}
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int tsip_header_Allow_serialize(const tsip_header_t* header, tsk_buffer_t* output)
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{
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if(header){
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const tsip_header_Allow_t *Allow = (const tsip_header_Allow_t *)header;
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tsk_list_item_t *item;
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tsk_string_t *str;
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int ret = 0;
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tsk_list_foreach(item, Allow->methods){
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str = item->data;
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if(item == Allow->methods->head){
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tsk_buffer_append(output, str->value, tsk_strlen(str->value));
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}
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else{
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tsk_buffer_append_2(output, ",%s", str->value);
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}
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}
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return ret;
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}
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return -1;
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}
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tsip_header_Allow_t *tsip_header_Allow_parse(const char *data, tsk_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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tsip_header_Allow_t *hdr_allow = tsip_header_Allow_create();
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const char *tag_start = tsk_null;
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%%write data;
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(void)(eof);
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(void)(void)(tsip_machine_parser_header_Allow_first_final);
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(void)(void)(tsip_machine_parser_header_Allow_error);
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(void)(void)(tsip_machine_parser_header_Allow_en_main);
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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 SIP 'Allow' header.");
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TSK_OBJECT_SAFE_FREE(hdr_allow);
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}
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return hdr_allow;
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}
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tsk_bool_t tsip_header_Allow_allows(const tsip_header_Allow_t* self, const char* method)
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{
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const tsk_list_item_t* item;
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const tsk_string_t* string;
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if(!self || !method){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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tsk_list_foreach(item, self->methods){
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if(!(string = item->data)){
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continue;
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}
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if(tsk_striequals(string->value, method)){
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return tsk_true;
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}
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}
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return tsk_false;
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}
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//========================================================
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// Allow header object definition
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//
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static tsk_object_t* tsip_header_Allow_ctor(tsk_object_t *self, va_list * app)
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{
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tsip_header_Allow_t *Allow = self;
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if(Allow){
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/*const char* methods = va_arg(*app, const char *);
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if(methods && !tsk_strempty(methods))
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{
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Allow->methods = tsip_header_Allow_parse(methods, tsk_strlen(methods));
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}*/
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TSIP_HEADER(Allow)->type = tsip_htype_Allow;
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TSIP_HEADER(Allow)->serialize = tsip_header_Allow_serialize;
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}
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else{
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TSK_DEBUG_ERROR("Failed to create new Allow header.");
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}
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return self;
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}
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static tsk_object_t* tsip_header_Allow_dtor(tsk_object_t *self)
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{
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tsip_header_Allow_t *Allow = self;
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if(Allow){
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TSK_OBJECT_SAFE_FREE(Allow->methods);
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TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Allow));
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}
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else TSK_DEBUG_ERROR("Null Allow header.");
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return self;
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}
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static const tsk_object_def_t tsip_header_Allow_def_s =
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{
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sizeof(tsip_header_Allow_t),
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tsip_header_Allow_ctor,
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tsip_header_Allow_dtor,
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tsk_null
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};
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const tsk_object_def_t *tsip_header_Allow_def_t = &tsip_header_Allow_def_s;
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