1 | #Region "Microsoft.VisualBasic::910ee6437347dc3d1bb75b508f99c772, Microsoft.VisualBasic.Core\Net\Protocol\Streams\String.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 [String] |
35 | ' |
36 | ' Properties: Encoding, value |
37 | ' |
38 | ' Constructor: (+4 Overloads) Sub New |
39 | ' Function: Serialize, ToString |
40 | ' |
41 | ' |
42 | ' /********************************************************************************/ |
43 | |
44 | #End Region |
45 | |
46 | Imports System.Text |
47 | Imports System.Xml.Serialization |
48 | Imports Microsoft.VisualBasic.Text |
49 | Imports BufferArray = System.Array |
50 | |
51 | Namespace Net.Protocols.Streams |
52 | |
53 | ''' <summary> |
54 | ''' 字符串序列流 |
55 | ''' </summary> |
56 | Public Class [String] : Inherits RawStream |
57 | |
58 | <XmlAttribute> Public Property value As String |
59 | |
60 | <XmlAttribute> Public Property Encoding As Encodings |
61 | Get |
62 | Return TextEncodings.GetEncodings(_encoding) |
63 | End Get |
64 | Set(value As Encodings) |
65 | _encoding = value.CodePage |
66 | End Set |
67 | End Property |
68 | |
69 | Dim _encoding As Encoding |
70 | |
71 | Sub New() |
72 | End Sub |
73 | |
74 | Sub New(s As String, Optional encoding As Encodings = Encodings.UTF8) |
75 | Call Me.New(s, encoding.CodePage) |
76 | End Sub |
77 | |
78 | Sub New(s As String, Optional encoding As Encoding = Nothing) |
79 | _value = s |
80 | _encoding = encoding |
81 | |
82 | If _encoding Is Nothing Then |
83 | _encoding = Encoding.UTF8 |
84 | End If |
85 | End Sub |
86 | |
87 | Sub New(raw As Byte()) |
88 | Dim encoding As Byte = raw(Scan0) |
89 | Dim s As Byte() = raw.Skip(1).ToArray |
90 | |
91 | _encoding = CType(encoding, Encodings).CodePage |
92 | _value = _encoding.GetString(s) |
93 | End Sub |
94 | |
95 | Public Overrides Function ToString() As String |
96 | Return value |
97 | End Function |
98 | |
99 | Public Overrides Function Serialize() As Byte() |
100 | Dim s As Byte() = _encoding.GetBytes(value) |
101 | Dim buffer As Byte() = New Byte(s.Length) {} |
102 | |
103 | buffer(Scan0) = CType(Encoding, Byte) |
104 | Call BufferArray.ConstrainedCopy(s, Scan0, buffer, 1, s.Length) |
105 | |
106 | Return buffer |
107 | End Function |
108 | End Class |
109 | End Namespace |