| 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 |