1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
using System;
using System.Buffers;
using System.IO;
using System.Threading;
using System.Threading.Tasks;
using MessagePack.Formatters;
using MessagePack.Internal;
using Nerdbank.Streams;
namespace MessagePack
{
/// <summary>
/// High-Level API of MessagePack for C#.
/// </summary>
public partial class MessagePackSerializer
{
/// <summary>
/// Backing field for the <see cref="DefaultResolver"/> property.
/// </summary>
private IFormatterResolver defaultResolver;
/// <summary>
/// Initializes a new instance of the <see cref="MessagePackSerializer"/> class
/// initialized with the <see cref="Resolvers.StandardResolver"/>.
/// </summary>
public MessagePackSerializer()
: this(Resolvers.StandardResolver.Instance)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="MessagePackSerializer"/> class
/// </summary>
/// <param name="defaultResolver">The resolver to use.</param>
public MessagePackSerializer(IFormatterResolver defaultResolver)
{
this.defaultResolver = defaultResolver ?? throw new ArgumentNullException(nameof(defaultResolver));
}
/// <summary>
/// Gets or sets the resolver to use when one is not explicitly specified.
/// </summary>
public IFormatterResolver DefaultResolver
{
get => this.defaultResolver;
////set => this.defaultResolver = value ?? throw new ArgumentNullException(nameof(value));
}
/// <summary>
/// Serializes a given value with the specified buffer writer.
/// </summary>
/// <param name="writer">The buffer writer to serialize with.</param>
/// <param name="value">The value to serialize.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
public void Serialize<T>(IBufferWriter<byte> writer, T value, IFormatterResolver resolver = null)
{
var fastWriter = new MessagePackWriter(writer);
this.Serialize(ref fastWriter, value, resolver);
fastWriter.Flush();
}
/// <summary>
/// Serializes a given value with the specified buffer writer.
/// </summary>
/// <param name="writer">The buffer writer to serialize with.</param>
/// <param name="value">The value to serialize.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
public virtual void Serialize<T>(ref MessagePackWriter writer, T value, IFormatterResolver resolver = null)
{
resolver = resolver ?? this.DefaultResolver;
resolver.GetFormatterWithVerify<T>().Serialize(ref writer, value, resolver);
}
/// <summary>
/// Serializes a given value with the specified buffer writer.
/// </summary>
/// <param name="value">The value to serialize.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
/// <returns>A byte array with the serialized value.</returns>
public byte[] Serialize<T>(T value, IFormatterResolver resolver = null)
{
using (var sequence = new Sequence<byte>(MemoryPoolWithMinSize.Instance))
{
this.Serialize(sequence, value, resolver);
return sequence.AsReadOnlySequence.ToArray();
}
}
/// <summary>
/// Serializes a given value to the specified stream.
/// </summary>
/// <param name="stream">The stream to serialize to.</param>
/// <param name="value">The value to serialize.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
public void Serialize<T>(Stream stream, T value, IFormatterResolver resolver = null)
{
using (var sequence = new Sequence<byte>(MemoryPoolWithMinSize.Instance))
{
this.Serialize<T>(sequence, value, resolver);
foreach (var segment in sequence.AsReadOnlySequence)
{
stream.Write(segment.Span);
}
}
}
/// <summary>
/// Serializes a given value to the specified stream.
/// </summary>
/// <param name="stream">The stream to serialize to.</param>
/// <param name="value">The value to serialize.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
/// <param name="cancellationToken">A cancellation token.</param>
/// <returns>A task that completes with the result of the async serialization operation.</returns>
public async ValueTask SerializeAsync<T>(Stream stream, T value, IFormatterResolver resolver = null, CancellationToken cancellationToken = default)
{
System.IO.Pipelines.PipeWriter writer = stream.UseStrictPipeWriter();
this.Serialize(writer, value, resolver);
await writer.FlushAsync(cancellationToken).ConfigureAwait(false);
}
/// <summary>
/// Deserializes a value of a given type from a sequence of bytes.
/// </summary>
/// <typeparam name="T">The type of value to deserialize.</typeparam>
/// <param name="byteSequence">The sequence to deserialize from.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
/// <returns>The deserialized value.</returns>
public T Deserialize<T>(ReadOnlySequence<byte> byteSequence, IFormatterResolver resolver = null)
{
var reader = new MessagePackReader(byteSequence);
return this.Deserialize<T>(ref reader, resolver);
}
/// <summary>
/// Deserializes a value of a given type from a sequence of bytes.
/// </summary>
/// <typeparam name="T">The type of value to deserialize.</typeparam>
/// <param name="reader">The reader to deserialize from.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
/// <returns>The deserialized value.</returns>
public virtual T Deserialize<T>(ref MessagePackReader reader, IFormatterResolver resolver = null)
{
resolver = resolver ?? this.DefaultResolver;
return resolver.GetFormatterWithVerify<T>().Deserialize(ref reader, resolver);
}
/// <summary>
/// Deserializes a value of a given type from a sequence of bytes.
/// </summary>
/// <typeparam name="T">The type of value to deserialize.</typeparam>
/// <param name="buffer">The buffer to deserialize from.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
/// <returns>The deserialized value.</returns>
public T Deserialize<T>(Memory<byte> buffer, IFormatterResolver resolver = null)
{
var reader = new MessagePackReader(new ReadOnlySequence<byte>(buffer));
return this.Deserialize<T>(ref reader, resolver);
}
/// <summary>
/// Deserializes a value of a given type from a sequence of bytes.
/// </summary>
/// <typeparam name="T">The type of value to deserialize.</typeparam>
/// <param name="buffer">The memory to deserialize from.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
/// <param name="bytesRead">The number of bytes read.</param>
/// <returns>The deserialized value.</returns>
public T Deserialize<T>(Memory<byte> buffer, IFormatterResolver resolver, out int bytesRead)
{
var sequence = new ReadOnlySequence<byte>(buffer);
var reader = new MessagePackReader(sequence);
T result = Deserialize<T>(ref reader, resolver);
bytesRead = (int)sequence.Slice(0, reader.Position).Length;
return result;
}
/// <summary>
/// Deserializes the entire content of a <see cref="Stream"/>.
/// </summary>
/// <typeparam name="T">The type of value to deserialize.</typeparam>
/// <param name="stream">The stream to deserialize from.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
/// <returns>The deserialized value.</returns>
public T Deserialize<T>(Stream stream, IFormatterResolver resolver = null)
{
using (var sequence = new Sequence<byte>())
{
int bytesRead;
do
{
var span = sequence.GetSpan(stream.CanSeek ? (int)(stream.Length - stream.Position) : 0);
bytesRead = stream.Read(span);
sequence.Advance(bytesRead);
} while (bytesRead > 0);
return this.Deserialize<T>(sequence.AsReadOnlySequence, resolver);
}
}
/// <summary>
/// Deserializes the entire content of a <see cref="Stream"/>.
/// </summary>
/// <typeparam name="T">The type of value to deserialize.</typeparam>
/// <param name="stream">The stream to deserialize from.</param>
/// <param name="resolver">The resolver to use during deserialization. Use <c>null</c> to use the <see cref="DefaultResolver"/>.</param>
/// <param name="cancellationToken">A cancellation token.</param>
/// <returns>The deserialized value.</returns>
public async ValueTask<T> DeserializeAsync<T>(Stream stream, IFormatterResolver resolver = null, CancellationToken cancellationToken = default)
{
using (var sequence = new Sequence<byte>())
{
int bytesRead;
do
{
var memory = sequence.GetMemory(stream.CanSeek ? (int)(stream.Length - stream.Position) : 0);
bytesRead = await stream.ReadAsync(memory, cancellationToken).ConfigureAwait(false);
sequence.Advance(bytesRead);
} while (bytesRead > 0);
return this.Deserialize<T>(sequence.AsReadOnlySequence, resolver);
}
}
}
}
|
