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class PartyParser {
private party_line =
"^" +
"(?<party_id>[0-9]+)\t" +
"(?<name>[^\t]*)\t" + // bug: name can be empty
"(?<exp_share>[01]),(?<item_share>(?:[01]|65535))\t" + // bug: item share can be 0xFFFF
"(?<members>((?<account_id>[0-9]+),(?<leader>[01])\t(?<char_name>[^\t]+)\t)*)" +
"$";
private member_line = "(?<account_id>[0-9]+),(?<leader>[01])\t(?<char_name>[^\t]+)\t";
private party_regex: RegExp;
private party_regex_members: RegExp;
private encoder;
constructor () {
this.party_regex = new RegExp(this.party_line);
this.party_regex_members = new RegExp(this.member_line, "g");
this.encoder = new TextEncoder();
}
private parseLine (line: string) {
const match = this.party_regex.exec(line);
if (!(match instanceof Object) || !Reflect.has(match, "groups")) {
console.error("\nline does not match the regex:", line);
throw new SyntaxError();
}
const groups = (match as any).groups;
let members = [];
if (groups.members.length > 1) {
let match_members = this.party_regex_members.exec(groups.members);
while (match_members !== null) {
members.push((match_members as any).groups);
match_members = this.party_regex_members.exec(groups.members);
}
}
if (+groups.item_share === 65535) {
groups.item_share = 1; // old bug that was fixed in tmwa but not in the db
}
groups.members = members;
if (groups.name.length == 0) {
console.warn(`\rdiscarding party ${groups.party_id}: no name `);
return null;
} else if (groups.members.length == 0) {
console.warn(`\rdiscarding party ${groups.party_id}: no members `);
return null;
}
Deno.write(Deno.stdout.rid, this.encoder.encode(`\r⌛ processing members of party ${groups.party_id}...`));
return groups;
}
public async * readDB () {
const decoder = new TextDecoder("utf-8");
console.info("\r \nwalking through party.txt...");
const file = await Deno.open("world/save/party.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 PartySQL {
private sql;
constructor (sql) {
this.sql = sql;
}
async write (party: any) {
if (party === null)
return Promise.resolve(false); // we cannot handle duplicate parties
party.name = this.sql.escape(party.name);
await this.sql.do("INSERT INTO `party` ?? values?", [
["party_id", "name", "exp_share", "item_share"],
[party.party_id, party.name, +party.exp_share, +party.item_share]
]);
for (const member of party.members) {
await this.sql.do("UPDATE `char` SET ?? = ? WHERE ?? = ? AND ?? = ?", [
"party_isleader", +member.leader,
"party_id", +party.party_id,
"account_id", +member.account_id ]);
}
}
}
export {
PartyParser,
PartySQL,
}
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