Initial commit

node_modules/mariadb/lib/io/packet-node-encoded.js

@@ -0,0 +1,40 @@
+//  SPDX-License-Identifier: LGPL-2.1-or-later
+//  Copyright (c) 2015-2024 MariaDB Corporation Ab
+
+'use strict';
+
+import Packet from './packet.js';
+
+class PacketNodeEncoded extends Packet {
+  constructor(encoding) {
+    super();
+    // using undefined for utf8 permit to avoid node.js searching
+    // for charset, using directly utf8 default one.
+    this.encoding = encoding === 'utf8' ? undefined : encoding;
+  }
+
+  readStringLengthEncoded() {
+    const len = this.readUnsignedLength();
+    if (len === null) return null;
+
+    this.pos += len;
+    return this.buf.toString(this.encoding, this.pos - len, this.pos);
+  }
+
+  static readString(encoding, buf, beg, len) {
+    return buf.toString(encoding, beg, beg + len);
+  }
+
+  subPacketLengthEncoded(len) {
+    this.skip(len);
+    return new PacketNodeEncoded(this.encoding).update(this.buf, this.pos - len, this.pos);
+  }
+
+  readStringRemaining() {
+    const str = this.buf.toString(this.encoding, this.pos, this.end);
+    this.pos = this.end;
+    return str;
+  }
+}
+
+export default PacketNodeEncoded;