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
|
using System;
using System.Collections.Generic;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace ARMeilleure.Translation.PTC
{
static class PtcFormatter
{
#region "Deserialize"
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Dictionary<TKey, TValue> DeserializeDictionary<TKey, TValue>(Stream stream, Func<Stream, TValue> valueFunc) where TKey : struct
{
Dictionary<TKey, TValue> dictionary = new();
int count = DeserializeStructure<int>(stream);
for (int i = 0; i < count; i++)
{
TKey key = DeserializeStructure<TKey>(stream);
TValue value = valueFunc(stream);
dictionary.Add(key, value);
}
return dictionary;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Dictionary<TKey, TValue> DeserializeAndUpdateDictionary<TKey, TValue>(Stream stream, Func<Stream, TValue> valueFunc, Func<TKey, TValue, (TKey, TValue)> updateFunc) where TKey : struct
{
Dictionary<TKey, TValue> dictionary = new();
int count = DeserializeStructure<int>(stream);
for (int i = 0; i < count; i++)
{
TKey key = DeserializeStructure<TKey>(stream);
TValue value = valueFunc(stream);
(key, value) = updateFunc(key, value);
dictionary.Add(key, value);
}
return dictionary;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static List<T> DeserializeList<T>(Stream stream) where T : struct
{
List<T> list = new();
int count = DeserializeStructure<int>(stream);
for (int i = 0; i < count; i++)
{
T item = DeserializeStructure<T>(stream);
list.Add(item);
}
return list;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static T DeserializeStructure<T>(Stream stream) where T : struct
{
T structure = default;
Span<T> spanT = MemoryMarshal.CreateSpan(ref structure, 1);
int bytesCount = stream.Read(MemoryMarshal.AsBytes(spanT));
if (bytesCount != Unsafe.SizeOf<T>())
{
throw new EndOfStreamException();
}
return structure;
}
#endregion
#region "GetSerializeSize"
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetSerializeSizeDictionary<TKey, TValue>(Dictionary<TKey, TValue> dictionary, Func<TValue, int> valueFunc) where TKey : struct
{
int size = 0;
size += Unsafe.SizeOf<int>();
foreach ((_, TValue value) in dictionary)
{
size += Unsafe.SizeOf<TKey>();
size += valueFunc(value);
}
return size;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int GetSerializeSizeList<T>(List<T> list) where T : struct
{
int size = 0;
size += Unsafe.SizeOf<int>();
size += list.Count * Unsafe.SizeOf<T>();
return size;
}
#endregion
#region "Serialize"
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void SerializeDictionary<TKey, TValue>(Stream stream, Dictionary<TKey, TValue> dictionary, Action<Stream, TValue> valueAction) where TKey : struct
{
SerializeStructure<int>(stream, dictionary.Count);
foreach ((TKey key, TValue value) in dictionary)
{
SerializeStructure<TKey>(stream, key);
valueAction(stream, value);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void SerializeList<T>(Stream stream, List<T> list) where T : struct
{
SerializeStructure<int>(stream, list.Count);
foreach (T item in list)
{
SerializeStructure<T>(stream, item);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void SerializeStructure<T>(Stream stream, T structure) where T : struct
{
Span<T> spanT = MemoryMarshal.CreateSpan(ref structure, 1);
stream.Write(MemoryMarshal.AsBytes(spanT));
}
#endregion
#region "Extension methods"
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void ReadFrom<T>(this List<T[]> list, Stream stream) where T : struct
{
int count = DeserializeStructure<int>(stream);
for (int i = 0; i < count; i++)
{
int itemLength = DeserializeStructure<int>(stream);
T[] item = new T[itemLength];
int bytesCount = stream.Read(MemoryMarshal.AsBytes(item.AsSpan()));
if (bytesCount != itemLength)
{
throw new EndOfStreamException();
}
list.Add(item);
}
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static long Length<T>(this List<T[]> list) where T : struct
{
long size = 0L;
size += Unsafe.SizeOf<int>();
foreach (T[] item in list)
{
size += Unsafe.SizeOf<int>();
size += item.Length;
}
return size;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void WriteTo<T>(this List<T[]> list, Stream stream) where T : struct
{
SerializeStructure<int>(stream, list.Count);
foreach (T[] item in list)
{
SerializeStructure<int>(stream, item.Length);
stream.Write(MemoryMarshal.AsBytes(item.AsSpan()));
}
}
#endregion
}
}
|
