diff options
Diffstat (limited to 'tinySDP/ragel/tsdp_parser_header_Z.rl')
| -rw-r--r-- | tinySDP/ragel/tsdp_parser_header_Z.rl | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/tinySDP/ragel/tsdp_parser_header_Z.rl b/tinySDP/ragel/tsdp_parser_header_Z.rl new file mode 100644 index 0000000..244848c --- /dev/null +++ b/tinySDP/ragel/tsdp_parser_header_Z.rl @@ -0,0 +1,277 @@ +/*
+* 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 tsdp_header_Z.c
+ * @brief SDP "z=" header (Time Zones).
+ *
+ * @author Mamadou Diop <diopmamadou(at)doubango.org>
+ *
+ * @date Created: Iat Nov 8 16:54:58 2009 mdiop
+ */
+#include "tinysdp/headers/tsdp_header_Z.h"
+
+#include "tsk_debug.h"
+#include "tsk_memory.h"
+#include "tsk_string.h"
+
+#include <string.h>
+
+/***********************************
+* Ragel state machine.
+*/
+%%{
+ machine tsdp_machine_parser_header_Z;
+
+ # Includes
+ include tsdp_machine_utils "./ragel/tsdp_machine_utils.rl";
+
+ action tag{
+ tag_start = p;
+ }
+
+ action create_zone{
+ if(!zone){
+ zone = tsdp_zone_create_null();
+ }
+ }
+
+ action add_zone{
+ if(zone){
+ tsk_list_push_back_data(hdr_Z->zones,(void**)&zone);
+ }
+ }
+
+ action parse_time{
+ if(zone){
+ TSK_PARSER_SET_INTEGER_EX(zone->time, uint64_t, atoi64);
+ }
+ }
+
+ action parse_typed_time{
+ if(zone){
+ TSK_PARSER_SET_STRING(zone->typed_time);
+ }
+ }
+
+ action shifted{
+ if(zone){
+ zone->shifted_back = tsk_true;
+ }
+ }
+
+ fixed_len_time_unit = "d" | "h" | "m" | "s";
+
+ time = DIGIT+ >tag %parse_time;
+ typed_time = (DIGIT+ fixed_len_time_unit?) >tag %parse_typed_time;
+
+ Z = 'z' SP* "=" (time SP ("-"%shifted)? typed_time) >create_zone %add_zone
+ (SP time SP ("-"%shifted)? typed_time)* >create_zone %add_zone;
+
+ # Entry point
+ main := Z :>CRLF?;
+
+}%%
+
+
+tsdp_header_Z_t* tsdp_header_Z_create(uint64_t time, tsk_bool_t shifted_back, const char* typed_time)
+{
+ return tsk_object_new(TSDP_HEADER_Z_VA_ARGS(time, shifted_back, typed_time));
+}
+
+tsdp_header_Z_t* tsdp_header_Z_create_null()
+{
+ return tsdp_header_Z_create(0L, tsk_false, tsk_null);
+}
+
+
+tsdp_zone_t* tsdp_zone_create(uint64_t time, tsk_bool_t shifted_back, const char* typed_time)
+{
+ return tsk_object_new(tsdp_zone_def_t, time, shifted_back, typed_time);
+}
+
+tsdp_zone_t* tsdp_zone_create_null()
+{
+ return tsdp_zone_create(0L, tsk_false, tsk_null);
+}
+
+int tsdp_header_Z_tostring(const tsdp_header_t* header, tsk_buffer_t* output)
+{
+ if(header){
+ const tsdp_header_Z_t *Z = (const tsdp_header_Z_t *)header;
+ const tsk_list_item_t *item;
+ const tsdp_zone_t* zone;
+
+ tsk_list_foreach(item, Z->zones){
+ zone = item->data;
+ // time SP ["-"] typed-time
+ tsk_buffer_append_2(output, "%s%llu %s%s",
+ TSK_LIST_IS_FIRST(Z->zones, item) ? "" : " ",
+ zone->time,
+ zone->shifted_back ? "-" : "",
+ zone->typed_time
+ );
+ }
+ }
+
+ return -1;
+}
+
+tsdp_header_Z_t *tsdp_header_Z_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_Z_t *hdr_Z = tsdp_header_Z_create_null();
+ tsdp_zone_t* zone = tsk_null;
+
+ const char *tag_start;
+
+ %%write data;
+ %%write init;
+ %%write exec;
+
+ if(zone){
+ TSK_OBJECT_SAFE_FREE(zone);
+ }
+
+ if( cs < %%{ write first_final; }%% ){
+ TSK_DEBUG_ERROR("Failed to parse \"z=\" header.");
+ TSK_OBJECT_SAFE_FREE(hdr_Z);
+ }
+
+ return hdr_Z;
+}
+
+
+
+
+
+
+
+//========================================================
+// Z header object definition
+//
+
+static tsk_object_t* tsdp_header_Z_ctor(tsk_object_t *self, va_list * app)
+{
+ tsdp_header_Z_t *Z = self;
+ if(Z){
+ TSDP_HEADER(Z)->type = tsdp_htype_Z;
+ TSDP_HEADER(Z)->tostring = tsdp_header_Z_tostring;
+ TSDP_HEADER(Z)->rank = TSDP_HTYPE_Z_RANK;
+
+ if((Z->zones = tsk_list_create())){
+ uint64_t time = va_arg(*app, uint64_t);
+ unsigned shifted_back = va_arg(*app, unsigned);
+ const char* typed_time = va_arg(*app, const char*);
+
+ if(typed_time){
+ tsdp_zone_t *zone;
+ if((zone = tsdp_zone_create(time, shifted_back, typed_time))){
+ tsk_list_push_back_data(Z->zones,(void**)&zone);
+ }
+ }
+ }
+ }
+ else{
+ TSK_DEBUG_ERROR("Failed to create new Z header.");
+ }
+ return self;
+}
+
+static tsk_object_t* tsdp_header_Z_dtor(tsk_object_t *self)
+{
+ tsdp_header_Z_t *Z = self;
+ if(Z){
+ TSK_OBJECT_SAFE_FREE(Z->zones);
+ }
+ else{
+ TSK_DEBUG_ERROR("Null Z header.");
+ }
+
+ return self;
+}
+static int tsdp_header_Z_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_Z_def_s =
+{
+ sizeof(tsdp_header_Z_t),
+ tsdp_header_Z_ctor,
+ tsdp_header_Z_dtor,
+ tsdp_header_Z_cmp
+};
+
+const tsk_object_def_t *tsdp_header_Z_def_t = &tsdp_header_Z_def_s;
+
+
+
+
+//========================================================
+// Zone object definition
+//
+
+static tsk_object_t* tsdp_zone_ctor(tsk_object_t *self, va_list * app)
+{
+ tsdp_zone_t *zone = self;
+ if(zone){
+ zone->time = va_arg(*app, uint64_t);
+ zone->shifted_back = va_arg(*app, tsk_bool_t);
+ zone->typed_time = tsk_strdup( va_arg(*app, const char*) );
+ }
+ else{
+ TSK_DEBUG_ERROR("Failed to create new zone object.");
+ }
+ return self;
+}
+
+static tsk_object_t* tsdp_zone_dtor(tsk_object_t *self)
+{
+ tsdp_zone_t *zone = self;
+ if(zone){
+ TSK_FREE(zone->typed_time);
+ }
+ else{
+ TSK_DEBUG_ERROR("Null zone object.");
+ }
+
+ return self;
+}
+
+static const tsk_object_def_t tsdp_zone_def_s =
+{
+ sizeof(tsdp_zone_t),
+ tsdp_zone_ctor,
+ tsdp_zone_dtor,
+ tsk_null
+};
+
+const tsk_object_def_t *tsdp_zone_def_t = &tsdp_zone_def_s;
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