diff options
Diffstat (limited to 'tinySDP/ragel/tsdp_parser_header_V.rl')
-rw-r--r-- | tinySDP/ragel/tsdp_parser_header_V.rl | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/tinySDP/ragel/tsdp_parser_header_V.rl b/tinySDP/ragel/tsdp_parser_header_V.rl new file mode 100644 index 0000000..6b66963 --- /dev/null +++ b/tinySDP/ragel/tsdp_parser_header_V.rl @@ -0,0 +1,173 @@ +/* +* Copyright (C) 2010-2015 Mamadou Diop. +* +* 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_V.c + * @brief SDP "v=" header (Protocol Version). + */ +#include "tinysdp/headers/tsdp_header_V.h" + +#include "tsk_debug.h" +#include "tsk_memory.h" +#include "tsk_string.h" + +#include <string.h> + +/*********************************** +* Ragel state machine. +*/ +%%{ + machine tsdp_machine_parser_header_V; + + # Includes + include tsdp_machine_utils "./ragel/tsdp_machine_utils.rl"; + + action tag{ + tag_start = p; + } + + action parse_version{ + TSK_PARSER_SET_INT(hdr_V->version); + } + + V = 'v' SP* "=" SP*<: DIGIT+>tag %parse_version; + + # Entry point + main := V :>CRLF?; + +}%% + + +tsdp_header_V_t* tsdp_header_V_create(int32_t version) +{ + return tsk_object_new(TSDP_HEADER_V_VA_ARGS(version)); +} + +tsdp_header_V_t* tsdp_header_V_create_null() +{ + return tsdp_header_V_create(TSDP_HEADER_V_DEFAULT); +} + +int tsdp_header_V_tostring(const tsdp_header_t* header, tsk_buffer_t* output) +{ + if(header) + { + const tsdp_header_V_t *V = (const tsdp_header_V_t *)header; + if(V->version >=0){ + tsk_buffer_append_2(output, "%d", V->version); + } + return 0; + } + + return -1; +} + +tsdp_header_t* tsdp_header_V_clone(const tsdp_header_t* header) +{ + if(header){ + const tsdp_header_V_t *V = (const tsdp_header_V_t *)header; + return (tsdp_header_t*)tsdp_header_V_create(V->version); + } + return tsk_null; +} + +tsdp_header_V_t *tsdp_header_V_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_V_t *hdr_V = tsdp_header_V_create_null(); + + const char *tag_start = tsk_null; + + TSK_RAGEL_DISABLE_WARNINGS_BEGIN() + %%write data; + (void)(tsdp_machine_parser_header_V_first_final); + (void)(tsdp_machine_parser_header_V_error); + (void)(tsdp_machine_parser_header_V_en_main); + %%write init; + %%write exec; + TSK_RAGEL_DISABLE_WARNINGS_END() + + if( cs < %%{ write first_final; }%% ){ + TSK_DEBUG_ERROR("Failed to parse \"v=\" header."); + TSK_OBJECT_SAFE_FREE(hdr_V); + } + + return hdr_V; +} + + + + + + + +//======================================================== +// V header object definition +// + +static tsk_object_t* tsdp_header_V_ctor(tsk_object_t *self, va_list * app) +{ + tsdp_header_V_t *V = self; + if(V){ + TSDP_HEADER(V)->type = tsdp_htype_V; + TSDP_HEADER(V)->tostring = tsdp_header_V_tostring; + TSDP_HEADER(V)->clone = tsdp_header_V_clone; + TSDP_HEADER(V)->rank = TSDP_HTYPE_V_RANK; + + V->version = va_arg(*app, int32_t); + } + else{ + TSK_DEBUG_ERROR("Failed to create new V header."); + } + return self; +} + +static tsk_object_t* tsdp_header_V_dtor(tsk_object_t *self) +{ + tsdp_header_V_t *V = self; + if(V){ + } + else{ + TSK_DEBUG_ERROR("Null V header."); + } + + return self; +} +static int tsdp_header_V_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_V_def_s = +{ + sizeof(tsdp_header_V_t), + tsdp_header_V_ctor, + tsdp_header_V_dtor, + tsdp_header_V_cmp +}; + +const tsk_object_def_t *tsdp_header_V_def_t = &tsdp_header_V_def_s; |