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class AccregParser {
private reg_line =
"^" +
"(?<account_id>[0-9]+)\t" +
"(?<variables>((?<var_name>[^,]+),(?<value>[-0-9]+) )*)" + // some chars have negative variables (overflows)
"$";
private vars_line = "(?<var_name>[^,]+),(?<value>[-0-9]+) ";
private reg_regex: RegExp;
private reg_regex_vars: RegExp;
private encoder;
constructor () {
this.reg_regex = new RegExp(this.reg_line);
this.reg_regex_vars = new RegExp(this.vars_line, "g");
this.encoder = new TextEncoder();
}
private parseLine (line: string) {
const match = this.reg_regex.exec(line);
if (!(match instanceof Object) || !Reflect.has(match, "groups")) {
console.error("\nline does not match the reg regex:", line);
throw new SyntaxError();
}
const groups = (match as any).groups;
let variables = [];
if (groups.variables.length > 1) {
let match_vars = this.reg_regex_vars.exec(groups.variables);
while (match_vars !== null) {
variables.push((match_vars as any).groups);
match_vars = this.reg_regex_vars.exec(groups.variables);
}
}
groups.variables = variables;
Deno.write(Deno.stdout.rid, this.encoder.encode(`\r⌛ processing variables of account ${groups.account_id}...`));
return groups;
}
public async * readDB () {
const decoder = new TextDecoder("utf-8");
console.info("\r \nwalking through accreg.txt...");
const file = await Deno.open("world/save/accreg.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 AccregSQL {
private sql;
constructor (sql) {
this.sql = sql;
}
async write (acc: any) {
for (const variable of acc.variables) {
await this.sql.do("INSERT INTO `acc_reg` ?? values?", [
["account_id", "name", "value"],
[acc.account_id, variable.var_name, variable.value]
]);
}
}
}
export {
AccregParser,
AccregSQL,
}
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