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import { SQLITE3_MISUSE, SQLITE3_OK } from "./constants.ts";import ffi from "./ffi.ts";
const {  sqlite3_errmsg,  sqlite3_errstr,} = ffi;
export const encoder = new TextEncoder();
export function toCString(str: string): Uint8Array {  return encoder.encode(str + "\0");}
export function isObject(value: unknown): boolean {  return typeof value === "object" && value !== null;}
const ops = (Deno as any)[(Deno as any).internal].core.ops;const { op_ffi_cstr_read, op_ffi_get_buf } = ops;
export class SqliteError extends Error {  name = "SqliteError";
  constructor(    public code: number = 1,    message: string = "Unknown Error",  ) {    super(`${code}: ${message}`);  }}
export function unwrap(code: number, db?: Deno.PointerValue): void {  if (code === SQLITE3_OK) return;  if (code === SQLITE3_MISUSE) {    throw new SqliteError(code, "SQLite3 API misuse");  } else if (db !== undefined) {    const errmsg = sqlite3_errmsg(db);    if (errmsg === 0) throw new SqliteError(code);    throw new Error(op_ffi_cstr_read(sqlite3_errmsg(db)));  } else throw new SqliteError(code, op_ffi_cstr_read(sqlite3_errstr(code)));}
export { op_ffi_cstr_read as readCstr, op_ffi_get_buf as buf };