1 | #Region "Microsoft.VisualBasic::294d3d421637bd5c010bdb8742d4cec3, Microsoft.VisualBasic.Core\Net\Protocol\Streams\VarArray.vb" |
2 | |
3 | ' Author: |
4 | ' |
5 | ' asuka (amethyst.asuka@gcmodeller.org) |
6 | ' xie (genetics@smrucc.org) |
7 | ' xieguigang (xie.guigang@live.com) |
8 | ' |
9 | ' Copyright (c) 2018 GPL3 Licensed |
10 | ' |
11 | ' |
12 | ' GNU GENERAL PUBLIC LICENSE (GPL3) |
13 | ' |
14 | ' |
15 | ' This program is free software: you can redistribute it and/or modify |
16 | ' it under the terms of the GNU General Public License as published by |
17 | ' the Free Software Foundation, either version 3 of the License, or |
18 | ' (at your option) any later version. |
19 | ' |
20 | ' This program is distributed in the hope that it will be useful, |
21 | ' but WITHOUT ANY WARRANTY; without even the implied warranty of |
22 | ' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
23 | ' GNU General Public License for more details. |
24 | ' |
25 | ' You should have received a copy of the GNU General Public License |
26 | ' along with this program. If not, see <http://www.gnu.org/licenses/>. |
27 | |
28 | |
29 | |
30 | ' /********************************************************************************/ |
31 | |
32 | ' Summaries: |
33 | |
34 | ' Class VarArray |
35 | ' |
36 | ' Constructor: (+2 Overloads) Sub New |
37 | ' Function: Serialize |
38 | ' |
39 | ' |
40 | ' /********************************************************************************/ |
41 | |
42 | #End Region |
43 | |
44 | Imports Microsoft.VisualBasic.Language |
45 | Imports Microsoft.VisualBasic.Linq |
46 | Imports Microsoft.VisualBasic.Serialization.BinaryDumping |
47 | Imports Buffer = System.Array |
48 | |
49 | Namespace Net.Protocols.Streams.Array |
50 | |
51 | ''' <summary> |
52 | ''' The bytes length of the element in thee source sequence is not fixed. |
53 | ''' (序列里面的元素的长度是不固定的) |
54 | ''' </summary> |
55 | Public Class VarArray(Of T) : Inherits ArrayAbstract(Of T) |
56 | |
57 | Sub New(TSerialize As IGetBuffer(Of T), load As IGetObject(Of T)) |
58 | Call MyBase.New(TSerialize, load) |
59 | End Sub |
60 | |
61 | Sub New(raw As Byte(), serilize As IGetBuffer(Of T), load As IGetObject(Of T)) |
62 | Call Me.New(serilize, load) |
63 | |
64 | Dim lb As Byte() = New Byte(INT64 - 1) {} |
65 | Dim buf As Byte() |
66 | Dim i As New Pointer |
67 | Dim list As New List(Of T) |
68 | Dim l As Long |
69 | Dim x As T |
70 | |
71 | Do While raw.Length > i |
72 | |
73 | Call Buffer.ConstrainedCopy(raw, i << INT64, lb, Scan0, INT64) |
74 | |
75 | l = BitConverter.ToInt64(lb, Scan0) |
76 | buf = New Byte(l - 1) {} |
77 | |
78 | Call Buffer.ConstrainedCopy(raw, i << buf.Length, buf, Scan0, buf.Length) |
79 | |
80 | x = load(buf) |
81 | list += x |
82 | Loop |
83 | |
84 | Values = list.ToArray |
85 | End Sub |
86 | |
87 | ''' <summary> |
88 | ''' Long + T + Long + T |
89 | ''' 其中Long是一个8字节长度的数组,用来指示T的长度 |
90 | ''' </summary> |
91 | ''' <returns></returns> |
92 | Public Overrides Function Serialize() As Byte() |
93 | Dim list As New List(Of Byte) |
94 | Dim LQuery = From index As SeqValue(Of T) |
95 | In Values.SeqIterator.AsParallel |
96 | Select buf = New SeqValue(Of Byte()) With { |
97 | .i = index.i, |
98 | .value = serialization(index.value) |
99 | } |
100 | Order By buf.i Ascending |
101 | |
102 | For Each x As SeqValue(Of Byte()) In LQuery |
103 | Dim byts As Byte() = x.value |
104 | Dim l As Long = byts.Length |
105 | Dim lb As Byte() = BitConverter.GetBytes(l) |
106 | |
107 | Call list.AddRange(lb) |
108 | Call list.AddRange(byts) |
109 | Next |
110 | |
111 | Return list.ToArray |
112 | End Function |
113 | End Class |
114 | End Namespace |