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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
class ReceiveBuffer {
constructor(size = 4096) {
this._buffer = Buffer.allocUnsafe(size);
this._offset = 0;
this._originalSize = size;
}
get length() {
return this._offset;
}
append(data) {
if (!Buffer.isBuffer(data)) {
throw new Error('Attempted to append a non-buffer instance to ReceiveBuffer.');
}
if (this._offset + data.length >= this._buffer.length) {
const tmp = this._buffer;
this._buffer = Buffer.allocUnsafe(Math.max(this._buffer.length + this._originalSize, this._buffer.length + data.length));
tmp.copy(this._buffer);
}
data.copy(this._buffer, this._offset);
return (this._offset += data.length);
}
peek(length) {
if (length > this._offset) {
throw new Error('Attempted to read beyond the bounds of the managed internal data.');
}
return this._buffer.slice(0, length);
}
get(length) {
if (length > this._offset) {
throw new Error('Attempted to read beyond the bounds of the managed internal data.');
}
const value = Buffer.allocUnsafe(length);
this._buffer.slice(0, length).copy(value);
this._buffer.copyWithin(0, length, length + this._offset - length);
this._offset -= length;
return value;
}
}
exports.ReceiveBuffer = ReceiveBuffer;
//# sourceMappingURL=receivebuffer.js.map
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