diff options
Diffstat (limited to 'tinySIP/ragel/tsip_parser_header_From.rl')
| -rw-r--r-- | tinySIP/ragel/tsip_parser_header_From.rl | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/tinySIP/ragel/tsip_parser_header_From.rl b/tinySIP/ragel/tsip_parser_header_From.rl new file mode 100644 index 0000000..270a5f4 --- /dev/null +++ b/tinySIP/ragel/tsip_parser_header_From.rl @@ -0,0 +1,192 @@ +/*
+* Copyright (C) 2009-2010 Mamadou Diop.
+*
+* Contact: Mamadou Diop <diopmamadou(at)doubango.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_From.c
+ * @brief SIP From/f header as per RFC 3261 subclause 20.20.
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Sat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tinysip/headers/tsip_header_From.h"
+
+#include "tinysip/parsers/tsip_parser_uri.h"
+
+#include "tsk_debug.h"
+#include "tsk_memory.h"
+
+
+
+/***********************************
+* Ragel state machine.
+*/
+%%{
+ machine tsip_machine_parser_header_From;
+
+ # Includes
+ include tsip_machine_utils "./ragel/tsip_machine_utils.rl";
+
+ action tag{
+ tag_start = p;
+ }
+
+ action parse_uri{
+ int len = (int)(p - tag_start);
+ if(hdr_from && !hdr_from->uri){
+ if((hdr_from->uri = tsip_uri_parse(tag_start, (tsk_size_t)len)) && hdr_from->display_name){
+ hdr_from->uri->display_name = tsk_strdup(hdr_from->display_name);
+ }
+ }
+ }
+
+ action parse_display_name{
+ TSK_PARSER_SET_STRING(hdr_from->display_name);
+ tsk_strunquote(&hdr_from->display_name);
+ }
+
+ action parse_tag{
+ TSK_PARSER_SET_STRING(hdr_from->tag);
+ }
+
+ action parse_param{
+ TSK_PARSER_ADD_PARAM(TSIP_HEADER_PARAMS(hdr_from));
+ }
+
+ action eob{
+ }
+
+ URI = (scheme HCOLON any+)>tag %parse_uri;
+ display_name = (( token LWS )+ | quoted_string)>tag %parse_display_name;
+ my_name_addr = display_name? :>LAQUOT<: URI :>RAQUOT;
+ my_tag_param = "tag"i EQUAL token>tag %parse_tag;
+ from_param = (my_tag_param)@1 | (generic_param)@0 >tag %parse_param;
+ from_spec = ( my_name_addr | URI ) :> ( SEMI from_param )*;
+
+ From = ( "From"i | "f"i ) HCOLON from_spec;
+
+ # Entry point
+ main := From :>CRLF @eob;
+
+}%%
+
+
+tsip_header_From_t* tsip_header_From_create(const char* display_name, const tsip_uri_t* uri, const char* tag)
+{
+ return tsk_object_new(TSIP_HEADER_FROM_VA_ARGS(display_name, uri, tag));
+}
+
+int tsip_header_From_serialize(const tsip_header_t* header, tsk_buffer_t* output)
+{
+ int ret = -1;
+ if(header){
+ const tsip_header_From_t *From = (const tsip_header_From_t *)header;
+
+ /* Uri with hacked display-name*/
+ if((ret = tsip_uri_serialize(From->uri, tsk_true, tsk_true, output))){
+ return ret;
+ }
+ if(From->tag){
+ ret = tsk_buffer_append_2(output, ";tag=%s", From->tag);
+ }
+ }
+ return ret;
+}
+
+tsip_header_From_t *tsip_header_From_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_From_t *hdr_from = tsip_header_From_create(tsk_null, tsk_null, tsk_null);
+
+ const char *tag_start;
+
+ %%write data;
+ %%write init;
+ %%write exec;
+
+ if( cs < %%{ write first_final; }%% ){
+ TSK_DEBUG_ERROR("Failed to parse 'From' header.");
+ TSK_OBJECT_SAFE_FREE(hdr_from);
+ }
+
+ return hdr_from;
+}
+
+
+
+
+
+
+
+//========================================================
+// From header object definition
+//
+
+static tsk_object_t* tsip_header_From_ctor(tsk_object_t *self, va_list * app)
+{
+ tsip_header_From_t *From = self;
+ if(From){
+ const char* display_name = va_arg(*app, const char *);
+ const tsip_uri_t* uri = va_arg(*app, const tsip_uri_t *);
+ const char* tag = va_arg(*app, const char *);
+
+ From->display_name = tsk_strdup(display_name);
+ if(uri) From->uri = tsk_object_ref((void *)uri);
+ From->tag = tsk_strdup(tag);
+
+ TSIP_HEADER(From)->type = tsip_htype_From;
+ TSIP_HEADER(From)->serialize = tsip_header_From_serialize;
+ }
+ else{
+ TSK_DEBUG_ERROR("Failed to create new From header.");
+ }
+ return self;
+}
+
+static tsk_object_t* tsip_header_From_dtor(tsk_object_t *self)
+{
+ tsip_header_From_t *From = self;
+ if(From){
+ TSK_FREE(From->display_name);
+ TSK_FREE(From->tag);
+
+ TSK_OBJECT_SAFE_FREE(From->uri);
+ TSK_OBJECT_SAFE_FREE(TSIP_HEADER_PARAMS(From));
+ }
+ else{
+ TSK_DEBUG_ERROR("Null From header.");
+ }
+
+ return self;
+}
+
+static const tsk_object_def_t tsip_header_From_def_s =
+{
+ sizeof(tsip_header_From_t),
+ tsip_header_From_ctor,
+ tsip_header_From_dtor,
+ tsk_null
+};
+const tsk_object_def_t *tsip_header_From_def_t = &tsip_header_From_def_s;
+
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