lib/src/protobuf/exceptions.dart

// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

part of protobuf;

class InvalidProtocolBufferException implements Exception {
  final String message;

  InvalidProtocolBufferException._(this.message);

  String toString() => 'InvalidProtocolBufferException: $message';

  InvalidProtocolBufferException.invalidEndTag() : this._(
        'Protocol message end-group tag did not match expected tag.');

  InvalidProtocolBufferException.invalidTag() : this._(
        'Protocol message contained an invalid tag (zero).');

  InvalidProtocolBufferException.invalidWireType() : this._(
        'Protocol message tag had invalid wire type.');

  InvalidProtocolBufferException.malformedVarint() : this._(
        'CodedBufferReader encountered a malformed varint.');

  InvalidProtocolBufferException.recursionLimitExceeded() : this._('''
Protocol message had too many levels of nesting.  May be malicious.
Use CodedBufferReader.setRecursionLimit() to increase the depth limit.
'''
    );

  InvalidProtocolBufferException.truncatedMessage() : this._('''
While parsing a protocol message, the input ended unexpectedly
in the middle of a field.  This could mean either than the
input has been truncated or that an embedded message
misreported its own length.
'''
    );
}