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// SPDX-License-Identifier: LGPL-2.1-or-later
// Copyright (c) 2015-2024 MariaDB Corporation Ab
'use strict';
const Packet = require('./packet');
const Iconv = require('iconv-lite');
class PacketIconvEncoded extends Packet {
constructor(encoding) {
super();
this.encoding = encoding;
}
readStringLengthEncoded() {
const len = this.readUnsignedLength();
if (len === null) return null;
this.pos += len;
return Iconv.decode(this.buf.subarray(this.pos - len, this.pos), this.encoding);
}
static readString(encoding, buf, beg, len) {
return Iconv.decode(buf.subarray(beg, beg + len), encoding);
}
subPacketLengthEncoded(len) {
this.skip(len);
return new PacketIconvEncoded(this.encoding).update(this.buf, this.pos - len, this.pos);
}
readStringRemaining() {
const str = Iconv.decode(this.buf.subarray(this.pos, this.end), this.encoding);
this.pos = this.end;
return str;
}
}
module.exports = PacketIconvEncoded;