int main(void)
{
DARR *handle = NULL;
int n;
int *val = NULL;
handle = darr_create(sizeof(int));
while (1)
{
printf("please input num : ");
scanf("%d", &n);
if (n == -1)
break;
/*darr_append(&n, handle);*/
/*darr_prepend(&n, handle);*/
darr_insert(&n, PREPEND, handle);
}
if (!darr_store("./db", handle))
printf("存储成功!\n");
/*n = 9999;*/
/*darr_insert(&n, 3, handle);*/
val = darr_ind(2, handle);
printf("val = %d\n", *val);
darr_travel(ls, handle);
printf("\n");
darr_ind_del(1, handle);
darr_travel(ls, handle);
printf("\n");
darr_sort(cmp, handle);
darr_travel(ls, handle);
printf("\n");
darr_destroy(&handle);
return 0;
}
/*
* NAME: sortfiles()
* DESCRIPTION: arrange files in order according to sort selection
*/
static
void sortfiles(darray *files, int flags, int options)
{
int (*compare)(const queueent *, const queueent *);
switch (options & S_MASK)
{
case S_NAME:
compare = compare_names;
break;
case S_TIME:
switch (options & T_MASK)
{
case T_MOD:
compare = compare_mtimes;
break;
case T_CREATE:
compare = compare_ctimes;
break;
default:
abort();
}
break;
case S_SIZE:
compare = compare_sizes;
break;
default:
return;
}
reverse = (flags & HLS_REVERSE) ? -1 : 1;
darr_sort(files, (int (*)(const void *, const void *)) compare);
}
int main(void)
{
int i;
DARR *sturoot;
if ((sturoot = load_darr("db.db")) == NULL){
printf("load db error.\n");
if ((sturoot = create_darr(sizeof(struct stu))) == NULL) {
printf("create date error.\n");
return -1;
}
}
/*
** 0,q for exit; 1,f for find; 2, i for insert; 3,d for delete, 4, l for list, 5, e for erase;
** 6, a for delete duplication; 7, u for update, 8, s for sort, 9 for Save data, @ for Load data;
*/
while ((i = read_select()) != '0' && i != 'q' && i != 'Q') /* 主循环,获取控制输入*/
switch (i){
case '1': case 'F': case 'f':
printf("Please enter the search condition: [ID],[Name],[Scope]\n");
{
struct stu tmp, *ret;
if (getline(&tmp) == 0) {
printf("Input Format wrong!\n");
} else if ((ret =(struct stu *)find_node(sturoot,&tmp,cmp)) == NULL)
printf("Record is not exist!");
else
print_node(ret);
}
any_key();
break;
case '2': case 'I': case 'i':
if (sturoot == NULL) {
printf("Datebase is empty, System will re-create it.\n");
if ((sturoot = create_darr(sizeof(struct stu))) == NULL) {
printf("DB is empty,create date error.\n");
return -1;
}
}
printf("Please enter the new record: 'ID,Name,Scope:'\n");
{
struct stu tmp;
if (getline(&tmp) == 0)
printf("Input Format wrong!\n");
else if (inserd_node(sturoot,&tmp,0) == -1)
printf("Input Error!");
else
printf("Insert OK!");
}
any_key();
break;
case '3': case 'D': case 'd':
printf("Please enter the condition : [ID],[Name],[Scope]\n");
{
struct stu tmp;
if (getline(&tmp) == 0)
printf("Input Format wrong!");
else
delete_node(sturoot,&tmp, &cmp);
}
any_key();
break;
case '4': case 'L': case 'l':
travel(sturoot,print_node);
any_key();
break;
case '5': case 'E': case 'e':
erase(sturoot);
printf("All data has erase!!");
sturoot = NULL;
any_key();
break;
#if 0
case '6': case 'A': case 'a':
printf("Please enter the condition: [ID],[Name],[Scope]\n");
{
struct stu tmp;
if (getline(&tmp) == 0) {
printf("Input Format wrong!");
} else if (delete(&sturoot, &tmp, DELETE_ALL_YES) == 0)
printf("Record is not exist!");
}
any_key();
break;
#endif
case '7': case 'U': case 'u':
{
struct stu tmp_from, tmp_to, *tmp_find;
printf("Please enter the condition: [ID],[Name],[Scope]\n");
if (getline(&tmp_from) == 0) {
printf("Input Format wrong!");
} else if ((tmp_find = (struct stu *)find_node(sturoot,&tmp_from,cmp)) != NULL) {
print_node(tmp_find);
printf("Please enter the new data: [ID],[Name],[Scope]\n");
if (getline(&tmp_to) == 0)
printf("Input Format wrong!");
else if (update_node(tmp_find, &tmp_to) == 0)
printf("Update Succeed.");
} else
printf("Record is not exist!");
}
any_key();
break;
case '8': case 'S': case 's':
{
int sel;
int (*fun)(const void *, const void*);
printf("Please select sort by:\n1[by ID]\t2[by name]\t3[by scope]:");
if ((sel=get_num()) <= 3 && sel >= 1) {
switch (sel) {
case 1:
fun = cmp_id;
break;
case 2:
fun = cmp_name;
break;
case 3:
fun = cmp_scope;
break;
}
darr_sort(sturoot,fun);
printf("Sort Succeed.");
} else
printf("Select wrong.");
}
any_key();
break;
case '9':
if (save_darr(sturoot, "db.db") == -1)
fprintf(stderr, "Open file failed.\n");
any_key();
break;
default:
break;
}
return 0;
}
