diff options
Diffstat (limited to 'tinySIP/ragel/tsip_parser_header_Content_Type.rl')
-rw-r--r-- | tinySIP/ragel/tsip_parser_header_Content_Type.rl | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/tinySIP/ragel/tsip_parser_header_Content_Type.rl b/tinySIP/ragel/tsip_parser_header_Content_Type.rl new file mode 100644 index 0000000..4903996 --- /dev/null +++ b/tinySIP/ragel/tsip_parser_header_Content_Type.rl @@ -0,0 +1,181 @@ +/* +* Copyright (C) 2010-2011 Mamadou Diop. +* +* Contact: Mamadou Diop <diopmamadou(at)doubango[dot]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 tsip_header_Content_Type.c + * @brief SIP Content-Type/c header. + * + * @author Mamadou Diop <diopmamadou(at)doubango[dot]org> + * + + */ +#include "tinysip/headers/tsip_header_Content_Type.h" + +#include "tsk_debug.h" +#include "tsk_memory.h" + +#include <string.h> + + + +/*********************************** +* Ragel state machine. +*/ +%%{ + machine tsip_machine_parser_header_Content_Type; + + # Includes + include tsip_machine_utils "./ragel/tsip_machine_utils.rl"; + + action tag{ + tag_start = p; + } + + action parse_content_type{ + TSK_PARSER_SET_STRING(hdr_ctype->type); + } + + action parse_param{ + TSK_PARSER_ADD_PARAM(TSIP_HEADER_PARAMS(hdr_ctype)); + } + + action eob{ + } + + extension_token = ietf_token | x_token; + + m_attribute = token; + m_value = token | quoted_string; + m_parameter = (m_attribute EQUAL m_value)>tag %parse_param; + + discrete_type = "text"i | "image"i | "audio"i | "video"i | "application"i | extension_token; + composite_type = "message"i | "multipart"i | extension_token; + m_type = discrete_type | composite_type; + m_subtype = extension_token | iana_token; + + media_type = (m_type SLASH m_subtype)@1 >tag %parse_content_type ((SEMI m_parameter)*)@0; + + Content_Type = ( "Content-Type"i | "c"i ) HCOLON media_type; + + # Entry point + main := Content_Type :>CRLF @eob; + +}%% + +tsip_header_Content_Type_t* tsip_header_Content_Type_create(const char* type) +{ + return tsk_object_new(TSIP_HEADER_CONTENT_TYPE_VA_ARGS(type)); +} + +tsip_header_Content_Type_t* tsip_header_Content_Type_create_null() +{ + return tsip_header_Content_Type_create(tsk_null); +} + +int tsip_header_Content_Type_serialize(const tsip_header_t* header, tsk_buffer_t* output) +{ + if(header){ + const tsip_header_Content_Type_t *Content_Type = (const tsip_header_Content_Type_t *)header; + if(Content_Type->type){ + return tsk_buffer_append(output, Content_Type->type, tsk_strlen(Content_Type->type)); + } + else{ + return -2; + } + } + + return -1; +} + +tsip_header_Content_Type_t *tsip_header_Content_Type_parse(const char *data, tsk_size_t size) +{ + int cs = 0; + const char *p = data; + const char *pe = p + size; + const char *eof = pe; + tsip_header_Content_Type_t *hdr_ctype = tsip_header_Content_Type_create_null(); + + const char *tag_start = tsk_null; + + %%write data; + (void)(eof); + (void)(tsip_machine_parser_header_Content_Type_first_final); + (void)(tsip_machine_parser_header_Content_Type_error); + (void)(tsip_machine_parser_header_Content_Type_en_main); + %%write init; + %%write exec; + + if( cs < %%{ write first_final; }%% ){ + TSK_DEBUG_ERROR("Failed to parse SIP 'Content-Type' header."); + TSK_OBJECT_SAFE_FREE(hdr_ctype); + } + + return hdr_ctype; +} + + + + + + + +//======================================================== +// Content_Type header object definition +// + +static tsk_object_t* tsip_header_Content_Type_ctor(tsk_object_t *self, va_list * app) +{ + tsip_header_Content_Type_t *Content_Type = self; + if(Content_Type){ + TSIP_HEADER(Content_Type)->type = tsip_htype_Content_Type; + TSIP_HEADER(Content_Type)->serialize = tsip_header_Content_Type_serialize; + + Content_Type->type = tsk_strdup( va_arg(*app, const char*) ); + } + else{ + TSK_DEBUG_ERROR("Failed to create new Content_Type header."); + } + return self; +} + +static tsk_object_t* tsip_header_Content_Type_dtor(tsk_object_t *self) +{ + tsip_header_Content_Type_t *Content_Type = self; + if(Content_Type){ + TSK_FREE(Content_Type->type); + TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(Content_Type)); + } + else{ + TSK_DEBUG_ERROR("Null Content_Type header."); + } + + return self; +} + +static const tsk_object_def_t tsip_header_Content_Type_def_s = +{ + sizeof(tsip_header_Content_Type_t), + tsip_header_Content_Type_ctor, + tsip_header_Content_Type_dtor, + tsk_null +}; +const tsk_object_def_t *tsip_header_Content_Type_def_t = &tsip_header_Content_Type_def_s; + |