1#region Copyright notice and license
2// Protocol Buffers - Google's data interchange format
3// Copyright 2008 Google Inc.  All rights reserved.
4// https://developers.google.com/protocol-buffers/
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are
8// met:
9//
10//     * Redistributions of source code must retain the above copyright
11// notice, this list of conditions and the following disclaimer.
12//     * Redistributions in binary form must reproduce the above
13// copyright notice, this list of conditions and the following disclaimer
14// in the documentation and/or other materials provided with the
15// distribution.
16//     * Neither the name of Google Inc. nor the names of its
17// contributors may be used to endorse or promote products derived from
18// this software without specific prior written permission.
19//
20// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31#endregion
32
33using System;
34using System.Buffers;
35using System.Buffers.Binary;
36using System.Collections.Generic;
37using System.IO;
38using System.Runtime.CompilerServices;
39using System.Runtime.InteropServices;
40using System.Security;
41using System.Text;
42using Google.Protobuf.Collections;
43
44namespace Google.Protobuf
45{
46
47    // warning: this is a mutable struct, so it needs to be only passed as a ref!
48    internal struct WriterInternalState
49    {
50        // NOTE: the Span representing the current buffer is kept separate so that this doesn't have to be a ref struct and so it can
51        // be included in CodedOutputStream's internal state
52
53        internal int limit;  // the size of the current buffer
54        internal int position;  // position in the current buffer
55
56        internal WriteBufferHelper writeBufferHelper;
57
58        // If non-null, the top level parse method was started with given coded output stream as an argument
59        // which also means we can potentially fallback to calling WriteTo(CodedOutputStream cos) if needed.
60        internal CodedOutputStream CodedOutputStream => writeBufferHelper.CodedOutputStream;
61    }
62}