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"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.ReceiveBuffer = void 0;
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