1 | #Region "Microsoft.VisualBasic::27e001b80e444b8c1062b34d12be842e, Microsoft.VisualBasic.Core\Text\Xml\Linq\DeserializeHandler.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 DeserializeHandler |
35 | ' |
36 | ' Properties: ReplaceXmlns |
37 | ' |
38 | ' Constructor: (+1 Overloads) Sub New |
39 | ' Function: LoadXml, RemoveXmlns, ToString |
40 | ' |
41 | ' |
42 | ' /********************************************************************************/ |
43 | |
44 | #End Region |
45 | |
46 | Imports System.Runtime.CompilerServices |
47 | Imports System.Text |
48 | Imports System.Xml.Serialization |
49 | |
50 | Namespace Text.Xml.Linq |
51 | |
52 | ''' <summary> |
53 | ''' The xml deserialize helper |
54 | ''' </summary> |
55 | Public Class DeserializeHandler(Of T As Class) |
56 | |
57 | ReadOnly process As Func(Of String, String) |
58 | ''' <summary> |
59 | ''' Get type name that defined on the class type decoration with custom attributes: |
60 | ''' <see cref="XmlTypeAttribute"/> or <see cref="XmlRootAttribute"/> |
61 | ''' </summary> |
62 | ReadOnly Tname$ = GetType(T).GetNodeNameDefine |
63 | |
64 | Public Property ReplaceXmlns As String |
65 | |
66 | Sub New(xmlNode As String) |
67 | ' 2017-12-22 |
68 | ' 假若对象是存储在一个数组之中的,那么,可能会出现的一种情况就是 |
69 | ' 在类型的定义之中,使用了xmlelement重新定义了节点的名字 |
70 | ' 例如 <XmlElement("A")> |
71 | ' 那么在生成的XML文件之中的节点名称就是A |
72 | ' 但是元素A的类型定义却是 Public Class B ... End Class |
73 | ' 因为A不等于B,所以将无法正确的加载XML节点数据 |
74 | ' 在这里进行名称的替换来消除这种错误 |
75 | If Tname = xmlNode Then |
76 | ' 不需要进行替换 |
77 | process = Function(s) s |
78 | Else |
79 | Dim leftTag% = 1 + xmlNode.Length |
80 | Dim rightTag% = 3 + xmlNode.Length |
81 | |
82 | ' 在这里不尝试做直接替换,可能会误杀其他的节点 |
83 | process = Function(block) |
84 | block = block.Trim(ASCII.CR, ASCII.LF, " "c, ASCII.TAB) |
85 | block = block.Substring(leftTag, block.Length - leftTag) |
86 | block = block.Substring(0, block.Length - rightTag) |
87 | block = "<" & Tname & block & "</" & Tname & ">" |
88 | |
89 | Return block |
90 | End Function |
91 | End If |
92 | End Sub |
93 | |
94 | ReadOnly sb As New StringBuilder |
95 | |
96 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
97 | Public Function RemoveXmlns(xml As String) As String |
98 | Return xml.Replace($"xmlns=""{ReplaceXmlns}""", "") |
99 | End Function |
100 | |
101 | Public Function LoadXml(xml As String) As T |
102 | Call sb.Clear() |
103 | Call sb.AppendLine("<?xml version=""1.0"" encoding=""utf-16""?>") |
104 | Call sb.AppendLine(process(xml)) |
105 | |
106 | If Not ReplaceXmlns.StringEmpty Then |
107 | Call sb.Replace($"xmlns=""{ReplaceXmlns}""", "") |
108 | End If |
109 | |
110 | xml = sb.ToString |
111 | |
112 | ' 对调整好的Xml文档执行反序列化操作 |
113 | Return xml.LoadFromXml(Of T) |
114 | End Function |
115 | |
116 | Public Overrides Function ToString() As String |
117 | Return $"LoadXml(Of {Tname})" |
118 | End Function |
119 | End Class |
120 | End Namespace |