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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "engine/engine.h"
#include "xdbms.h"
#include "xml/xml.h"
static tablist_t *db;
int xdb_init(char *filename) {
if (filename == NULL)
fprintf(stderr, "Warning: running in-memory database\n");
db = readdb(filename);
if (db == NULL) {
fprintf(stderr, "Error: Invalid DB file\n");
return 1;
}
return 0;
}
void xdb_close(void) {
delkeys(db, -1, NULL, 0);
free(db);
}
char *xdb_stmt(char *stmt) {
map_t *decoded = decode(stmt);
if (!strcmp(decoded->tag, "get")) {
int id = -1, len = 0;
char **keys = NULL;
if (decoded->n_attrs > 0)
id = atoi(decoded->attrs[0].value);
tablist_t *tmp = getkeys(db, id, keys, len);
for (int i = 0; i < tmp[0].len; ++i) {
printf("{ id: %d ", tmp[0].len > 1 ? i : id);
for (int j = 0; tmp[i].tab[j].flag; ++j) {
printf("%s: ", tmp[i].tab[j].key);
switch (tmp[i].tab[j].flag) {
case 1:
printf("%g ", tmp[i].tab[j].value.num);
break;
case 2:
printf("%s ",
tmp[i].tab[j].value.boolean ? "true" : "false");
break;
case 3:
printf("%s ", tmp[i].tab[j].value.str);
break;
}
}
printf("}\n");
}
free(tmp);
} else if (!strcmp(decoded->tag, "set")) {
;
} else if (!strcmp(decoded->tag, "del")) {
;
} else {
printf("Unknown request: %s\n", decoded->tag);
}
freemap(decoded);
return NULL;
}
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