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class StorageParser {
private storage_line =
"^" +
"(?<account_id>[0-9]+),(?<storage_amount>[0-9]+)\t" +
"(?<items>([0-9]+,(?<nameid>[0-9]+),(?<amount>[0-9]+),(?<equip>[0-9]+),[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+ )+)\t$";
private storage_items_line = "[0-9]+,(?<nameid>[0-9]+),(?<amount>[0-9]+),(?<equip>[0-9]+),[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+,[0-9]+ ";
private storage_regex: RegExp;
private storage_regex_items: RegExp;
constructor () {
this.storage_regex = new RegExp(this.storage_line);
this.storage_regex_items = new RegExp(this.storage_items_line, "g");
}
private parseLine (line: string) {
const match = this.storage_regex.exec(line);
if (!(match instanceof Object) || !Reflect.has(match, "groups")) {
console.error("line does not match the storage regex:", line);
throw new SyntaxError();
}
const groups = (match as any).groups;
let items = [];
if (groups.items.length > 1) {
let match_items = this.storage_regex_items.exec(groups.items);
while (match_items !== null) {
items.push((match_items as any).groups);
match_items = this.storage_regex_items.exec(groups.items);
}
}
groups.items = items;
return groups;
}
public async * readDB () {
const decoder = new TextDecoder("utf-8");
console.info("\nwalking through storage.txt...");
const file = await Deno.open("world/save/storage.txt");
const buf = new Uint8Array(1024);
let accumulator = "";
while (true) {
const nread = await Deno.read(file.rid, buf);
if (nread === Deno.EOF) {
break;
}
const str = decoder.decode(buf);
if (nread < 1024) {
for (let c of str) {
if (c === "\n") {
yield this.parseLine(accumulator);
break;
} else {
accumulator += c;
}
}
break;
}
for (let c of str) {
if (c === "\n") {
yield this.parseLine(accumulator);
accumulator = "";
} else {
accumulator += c;
}
}
}
}
}
class StorageWriter {
private file;
private encoder;
constructor () {
try {
Deno.removeSync("world/save/storage.txt.tmp");
} catch {
// ignore this
}
this.file = Deno.openSync("world/save/storage.txt.tmp", "a+");
this.encoder = new TextEncoder();
}
async write (storage: any) {
let line = `${storage.account_id},${storage.storage_amount}\t`;
for (let item of storage.items) {
line += `0,${item.nameid},${item.amount},${item.equip},0,0,0,0,0,0,0 `;
}
line += `\t`; // end of items
line += `\n`;
await Deno.write(this.file.rid, this.encoder.encode(line));
}
async finalize() {
this.file.close();
console.info("overwriting storage.txt...");
await Deno.rename("world/save/storage.txt", "world/save/storage.txt_pre-frob");
await Deno.rename("world/save/storage.txt.tmp", "world/save/storage.txt");
}
}
export {
StorageParser,
StorageWriter,
}
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