41 lines
1.0 KiB
JavaScript
Executable File
41 lines
1.0 KiB
JavaScript
Executable File
// SPDX-License-Identifier: LGPL-2.1-or-later
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// Copyright (c) 2015-2024 MariaDB Corporation Ab
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'use strict';
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const Packet = require('./packet');
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class PacketNodeEncoded extends Packet {
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constructor(encoding) {
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super();
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// using undefined for utf8 permit to avoid node.js searching
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// for charset, using directly utf8 default one.
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this.encoding = encoding === 'utf8' ? undefined : encoding;
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}
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readStringLengthEncoded() {
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const len = this.readUnsignedLength();
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if (len === null) return null;
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this.pos += len;
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return this.buf.toString(this.encoding, this.pos - len, this.pos);
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}
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static readString(encoding, buf, beg, len) {
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return buf.toString(encoding, beg, beg + len);
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}
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subPacketLengthEncoded(len) {
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this.skip(len);
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return new PacketNodeEncoded(this.encoding).update(this.buf, this.pos - len, this.pos);
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}
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readStringRemaining() {
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const str = this.buf.toString(this.encoding, this.pos, this.end);
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this.pos = this.end;
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return str;
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}
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}
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module.exports = PacketNodeEncoded;
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