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#include <ucode/module.h>
#include "uht.h"
static uc_resource_type_t *reader_type, *hashtbl_type;
static char *hash_key;
static uint32_t
writer_store_data(struct uht_writer *wr, uc_value_t *val)
{
uint32_t *data, ret;
size_t i, len;
switch (ucv_type(val)) {
case UC_STRING:
return uht_writer_add_string(wr, ucv_string_get(val));
case UC_INTEGER:
return uht_writer_add_int(wr, ucv_int64_get(val));
case UC_DOUBLE:
return uht_writer_add_double(wr, ucv_double_get(val));
case UC_BOOLEAN:
return uht_writer_add_bool(wr, ucv_boolean_get(val));
case UC_ARRAY:
len = ucv_array_length(val);
data = calloc(len, sizeof(*data));
for (i = 0; i < len; i++)
data[i] = writer_store_data(wr, ucv_array_get(val, i));
ret = uht_writer_add_array(wr, data, len);
free(data);
return ret;
case UC_OBJECT:
len = ucv_object_length(val);
if (ucv_is_truish(ucv_object_get(val, hash_key, NULL))) {
ret = uht_writer_hashtbl_alloc(wr, len - 1);
ucv_object_foreach(val, key, value) {
if (!strcmp(key, hash_key))
continue;
uht_writer_hashtbl_add_element(wr, ret, key,
writer_store_data(wr, value));
}
uht_writer_hashtbl_done(wr, ret);
return ret;
}
data = calloc(2 * len, sizeof(*data));
i = 0;
ucv_object_foreach(val, key, value) {
data[i] = uht_writer_add_string(wr, key);
data[len + i] = writer_store_data(wr, value);
i++;
}
ret = uht_writer_add_object(wr, data, data + len, len);
free(data);
return ret;
default:
return 0;
}
}
static uc_value_t *
writer_save(uc_vm_t *vm, size_t nargs)
{
struct uht_writer wr = {};
uc_value_t *file = uc_fn_arg(0);
uc_value_t *data = uc_fn_arg(1);
uint32_t val;
int ret = -1;
FILE *f;
if (ucv_type(file) != UC_STRING || !data)
return NULL;
f = fopen(ucv_string_get(file), "w");
if (!f)
return NULL;
uht_writer_init(&wr);
val = writer_store_data(&wr, data);
if (val)
ret = uht_writer_save(&wr, f, val);
fflush(f);
fclose(f);
uht_writer_free(&wr);
return ucv_boolean_new(ret == 0);
}
static uc_value_t *
__reader_get_value(uc_vm_t *vm, struct uht_reader *r, uint32_t attr, bool dump)
{
enum uht_type type = uht_entry_type(attr);
uc_value_t *val;
size_t i;
switch (type) {
case UHT_NULL:
return NULL;
case UHT_STRING:
return ucv_string_new(uht_reader_get_string(r, attr));
case UHT_INT:
return ucv_int64_new(uht_reader_get_int(r, attr));
case UHT_DOUBLE:
return ucv_double_new(uht_reader_get_double(r, attr));
case UHT_BOOL:
return ucv_boolean_new(uht_reader_get_bool(r, attr));
case UHT_HASHTBL:
if (!dump)
return ucv_resource_new(hashtbl_type, (void *)(uintptr_t)attr);
/* fallthrough */
case UHT_OBJECT:
val = ucv_object_new(vm);
if (type == UHT_HASHTBL)
ucv_object_add(val, hash_key, ucv_boolean_new(true));
uht_for_each(r, iter, attr)
ucv_object_add(val, iter.key, __reader_get_value(vm, r, iter.val, dump));
return val;
case UHT_ARRAY:
val = ucv_array_new(vm);
i = 0;
uht_for_each(r, iter, attr)
ucv_array_set(val, i++, __reader_get_value(vm, r, iter.val, dump));
return val;
}
return NULL;
}
static uc_value_t *
reader_open(uc_vm_t *vm, size_t nargs)
{
uc_value_t *file = uc_fn_arg(0);
struct uht_reader *r;
if (ucv_type(file) != UC_STRING)
return NULL;
r = calloc(1, sizeof(*r));
if (uht_reader_open(r, ucv_string_get(file))) {
free(r);
return NULL;
}
return ucv_resource_new(reader_type, r);
}
static void
reader_free(void *ptr)
{
struct uht_reader *r = ptr;
uht_reader_close(r);
free(r);
}
static uc_value_t *
set_hashtbl_key(uc_vm_t *vm, size_t nargs)
{
uc_value_t *key = uc_fn_arg(0);
if (ucv_type(key) != UC_STRING)
return NULL;
free(hash_key);
hash_key = strdup(ucv_string_get(key));
return ucv_boolean_new(true);
}
static uc_value_t *
mark_hashtbl(uc_vm_t *vm, size_t nargs)
{
uc_value_t *obj = uc_fn_arg(0);
if (ucv_type(obj) != UC_OBJECT)
return NULL;
ucv_object_add(obj, hash_key, ucv_boolean_new(true));
return ucv_boolean_new(true);
}
static uint32_t
reader_get_htable(uc_value_t *tbl)
{
void *htbl;
if (ucv_type(tbl) != UC_RESOURCE)
return 0;
htbl = ucv_resource_data(tbl, "uht.hashtbl");
if (!htbl)
return 0;
return (uint32_t)(uintptr_t)htbl;
}
static uc_value_t *
reader_get(uc_vm_t *vm, size_t nargs)
{
struct uht_reader *r = uc_fn_thisval("uht.reader");
uc_value_t *tbl = uc_fn_arg(0);
uc_value_t *key = uc_fn_arg(1);
uc_value_t *dump = uc_fn_arg(2);
uint32_t val;
if (!r)
return NULL;
if (tbl)
val = reader_get_htable(tbl);
else
val = r->val;
if (key) {
if (uht_entry_type(val) != UHT_HASHTBL)
return 0;
val = uht_reader_hashtbl_lookup(r, val, ucv_string_get(key));
}
return __reader_get_value(vm, r, val, ucv_is_truish(dump));
}
static const uc_function_list_t no_fns[] = {};
static const uc_function_list_t reader_fns[] = {
{ "get", reader_get },
};
static const uc_function_list_t hashtbl_fns[] = {
{ "save", writer_save },
{ "open", reader_open },
{ "mark_hashtable", mark_hashtbl },
{ "set_hashtable_key", set_hashtbl_key },
};
void uc_module_init(uc_vm_t *vm, uc_value_t *scope)
{
hash_key = strdup("##hash_table");
reader_type = uc_type_declare(vm, "uht.reader", reader_fns, reader_free);
hashtbl_type = uc_type_declare(vm, "uht.hashtbl", no_fns, NULL);
uc_function_list_register(scope, hashtbl_fns);
}
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