Ontology *
ttl_loader_load_ontology (const gchar *ttl_file)
{
Ontology *ontology;
ontology = g_new0 (Ontology, 1);
ontology->classes = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
(GDestroyNotify)ttl_model_class_free);
ontology->properties = g_hash_table_new_full (g_str_hash,
g_str_equal,
g_free,
(GDestroyNotify)ttl_model_property_free);
if (ttl_file) {
TrackerTurtleReader *reader;
GError *error = NULL;
reader = tracker_turtle_reader_new (ttl_file, NULL);
while (error == NULL && tracker_turtle_reader_next (reader, &error)) {
load_in_memory (ontology,
tracker_turtle_reader_get_subject (reader),
tracker_turtle_reader_get_predicate (reader),
tracker_turtle_reader_get_object (reader));
}
g_object_unref (reader);
if (error) {
g_message ("Turtle parse error: %s", error->message);
g_error_free (error);
}
} else {
g_warning ("Unable to open '%s'", ttl_file);
}
return ontology;
}
int main(int argc, const char * argv[])
{
FILE *fp = NULL; //For writing the lists.
FILE *fp1 = NULL; //For writing the list ids.
int i=0;
int count=0;
int index=0;
int data=0;
int list_number=0;
int count_lists=0;
long list_length=0;
long list_id_length=0;
int list_count=0;
int result=0;
int arr_list_id[MAX_LISTS];
char ch;
node *head=NULL;
node *head_mem[MAX_LISTS];
count_lists=0;
if (argc == 1)
{
printf("\n Enter at least one argument \n");
exit(1);
}
//line_count = number_of_lines_count_in_file("list.out");
list_number = atoi(argv[2]);
list_id_length = get_list_id(&fp1, arr_list_id, &list_count);
if (strcmp(argv[1], "create") == 0)
{
printf ("\n creating a list \n");
if (!check_line_number(arr_list_id, list_number, list_id_length))
{
data = atoi(argv[3]);
head = create(list_number, data);
write_to_file(head, &fp);
write_list_number_file(&fp1, list_number, list_length);
}
}
else if (strcmp(argv[1], "insert") == 0)
{
printf ("\n inserting into list \n");
// Check to see if the list_number is in arr_list_id
if (!check_line_number(arr_list_id, list_number, list_count))
{
while (1)
{
printf("\n List doesn't exist. \n Do you want to create it? \n Type 'y' for YES or 'n' for NO \n");
scanf("%c",&ch);
if (ch == 'y' || ch == 'Y')
{
printf("\n Creating... \n");
data = atoi(argv[3]);
head = create(list_number, data);
write_list_number_file(&fp1, list_number, list_length);
if (argc == 4)
write_to_file(head, &fp);
else
{
for (i = 4; i < argc; i++ )
{
data = atoi(argv[i]);
insert(&head, list_number, data);
}
write_to_file(head, &fp);
}
break;
}
else if (ch == 'n' || ch == 'Y')
{
exit(1);
}
else
{
printf ("\n Type 'y' for YES or 'n' for NO \n");
}
}
}
else
{
count = load_in_memory(&fp, head_mem);
if (count == 1)
{
index = 0;
}
else if (count == 0)
{
while (1)
{
printf("\n List doesn't exist. \n Do you want to create it? \n Type 'y' for YES or 'n' for NO \n");
scanf("%c",&ch);
if (ch == 'y' || ch == 'Y')
{
printf("\n Creating... \n");
data = atoi(argv[3]);
head = create(list_number, data);
write_list_number_file(&fp1, list_number, list_length);
if (argc == 4)
write_to_file(head, &fp);
else
{
for (i = 4; i < argc; i++ )
{
data = atoi(argv[i]);
insert(&head, list_number, data);
}
write_to_file(head, &fp);
}
break;
}
else if (ch == 'n' || ch == 'n')
{
exit(1);
}
else
{
printf ("\n Type 'y' for YES or 'n' for NO \n");
}
}
}
for (i = 0; i < count; i++)
{
if (head_mem[i]->list_id == list_number)
{
index = i;
break;
}
}
for (i = 3; i < argc; i++)
{
head = head_mem[index];
data = atoi(argv[i]);
insert(&head, list_number, data);
head_mem[index] = head;
}
rewrite_to_file(head_mem, &fp, list_number, count);
}
}
else if (strcmp(argv[1], "display") == 0)
{
printf ("\n displaying a list \n");
if (check_line_number(arr_list_id, list_number, list_count))
{
head = read_from_file_and_construct_list(&fp, list_number, &list_length);
display(head);
}
else
{
printf("\n List does not exist \n");
}
}
else if (strcmp(argv[1], "remove_node") == 0)
{
if (check_line_number(arr_list_id, list_number, list_count))
{
printf ("\n Removing a node \n");
data = atoi(argv[3]);
count = load_in_memory(&fp, head_mem);
if (count == 1)
{
index = 0;
}
else
{
for (i = 0; i < count; i++)
{
if (head_mem[i]->list_id == list_number)
{
index = i;
break;
}
}
}
if (check_node_present(head_mem[index], data))
{
for (i = 3; i < argc; i++)
{
head = head_mem[index];
data = atoi(argv[i]);
result = remove_node(&head, data);
head_mem[index] = head;
}
if (head_mem[index] == NULL)
{
remove_from_listid_file(&fp1, list_number);
}
rewrite_to_file(head_mem, &fp, list_number, count);
}
else
{
printf ("\n Node not found \n");
}
}
else
{
printf("\n List does not exist\n");
}
}
else if (strcmp(argv[1], "remove_list") == 0)
{
printf ("\n Removing a list \n");
if (check_line_number(arr_list_id, list_number, list_count))
{
count = load_in_memory(&fp, head_mem);
if (count == 1)
{
index = 0;
}
else if (count == 0)
{
printf("file is empty");
exit(1);
}
else
{
for (i = 0; i < count; i++)
{
if (head_mem[i]->list_id == list_number)
{
index = i;
break;
}
}
}
remove_list(head_mem[index]);
remove_from_listid_file(&fp1, list_number);
head_mem[index] = NULL;
rewrite_to_file(head_mem, &fp, list_number, count);
}
else
{
printf("\n List does not exist\n");
}
}
else
{
printf ("\n Invalid option \n");
}
return 0;
}
