1 | #Region "Microsoft.VisualBasic::54118c312bdd77113acd60282993177c, Microsoft.VisualBasic.Core\ComponentModel\Settings\Inf\IOProvider.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 | ' Module IOProvider |
35 | ' |
36 | ' Function: __getPath, __getSections, EmptySection, (+2 Overloads) LoadProfile, (+2 Overloads) WriteProfile |
37 | ' |
38 | ' |
39 | ' /********************************************************************************/ |
40 | |
41 | #End Region |
42 | |
43 | Imports System.Reflection |
44 | Imports System.Runtime.CompilerServices |
45 | Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel |
46 | Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel.SchemaMaps |
47 | Imports Microsoft.VisualBasic.Language |
48 | |
49 | Namespace ComponentModel.Settings.Inf |
50 | |
51 | ''' <summary> |
52 | ''' 在这个模块之中提供了.NET对象与``*.ini``配置文件之间的相互映射的序列化操作 |
53 | ''' </summary> |
54 | Public Module IOProvider |
55 | |
56 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
57 | <Extension> |
58 | Private Function EmptySection(x As Type, section As PropertyInfo) As String |
59 | Return $"Property [{x.Name}\({section.PropertyType.Name}){section.Name}] for ini section is null." |
60 | End Function |
61 | |
62 | ''' <summary> |
63 | ''' 将目标对象写为``*.ini``文件 |
64 | ''' (目标对象之中的所有的简单属性都会被保存在一个对象名称的section中,) |
65 | ''' </summary> |
66 | ''' <typeparam name="T"></typeparam> |
67 | ''' <param name="x"></param> |
68 | ''' <param name="path"></param> |
69 | ''' <returns></returns> |
70 | <Extension> |
71 | Public Function WriteProfile(Of T As Class)(x As T, path$) As Boolean |
72 | Dim ini As New IniFile(path) |
73 | Dim msg$ |
74 | |
75 | ' 首先写入global的配置数据 |
76 | Call ClassMapper.ClassDumper(x:=x, type:=GetType(T), ini:=ini) |
77 | |
78 | For Each section As PropertyInfo In __getSections(Of T)() |
79 | Dim obj As Object = section.GetValue(x, Nothing) |
80 | Dim schema As Type = section.PropertyType |
81 | |
82 | If obj Is Nothing Then |
83 | msg = GetType(T).EmptySection(section) |
84 | obj = Activator.CreateInstance(schema) |
85 | |
86 | Call msg.Warning |
87 | Call App.LogException(msg) |
88 | End If |
89 | |
90 | Call ClassMapper.ClassDumper( |
91 | x:=obj, |
92 | type:=schema, |
93 | ini:=ini |
94 | ) |
95 | Next |
96 | |
97 | Call $"Ini profile data was saved at location: {path.GetFullPath}".__INFO_ECHO |
98 | |
99 | Return True |
100 | End Function |
101 | |
102 | ''' <summary> |
103 | ''' 属性的类型需要定义<see cref="ClassName"/>,Section类型里面的属性还需要 |
104 | ''' 定义<see cref="DataFrameColumnAttribute"/>,否则将不会将对应的属性的值 |
105 | ''' 写入到ini文件之中。 |
106 | ''' </summary> |
107 | ''' <typeparam name="T"></typeparam> |
108 | ''' <param name="x"></param> |
109 | ''' <returns></returns> |
110 | ''' |
111 | <MethodImpl(MethodImplOptions.AggressiveInlining)> |
112 | <Extension> |
113 | Public Function WriteProfile(Of T As Class)(x As T) As Boolean |
114 | Return x.WriteProfile(__getPath(Of T)) |
115 | End Function |
116 | |
117 | ''' <summary> |
118 | ''' 查找出所有<see cref="ClassName"/>标记的属性 |
119 | ''' </summary> |
120 | ''' <typeparam name="T"></typeparam> |
121 | ''' <returns></returns> |
122 | Private Function __getSections(Of T As Class)() As PropertyInfo() |
123 | Dim properties As PropertyInfo() = GetType(T).GetProperties(PublicProperty) |
124 | |
125 | properties = LinqAPI.Exec(Of PropertyInfo) _ |
126 | _ |
127 | () <= From p As PropertyInfo |
128 | In properties |
129 | Let type As Type = p.PropertyType |
130 | Let attr As ClassName = type.GetAttribute(Of ClassName) |
131 | Where Not attr Is Nothing |
132 | Select p |
133 | |
134 | Return properties |
135 | End Function |
136 | |
137 | ''' <summary> |
138 | ''' 从指定的``*.ini``文件之中加载配置数据,如果配置文件不存在,则这个函数会返回空值 |
139 | ''' </summary> |
140 | ''' <typeparam name="T"></typeparam> |
141 | ''' <param name="path"></param> |
142 | ''' <returns></returns> |
143 | <Extension> |
144 | Public Function LoadProfile(Of T As Class)(path As String) As T |
145 | Dim ini As New IniFile(path) |
146 | |
147 | If Not ini.FileExists Then |
148 | Return Nothing |
149 | End If |
150 | |
151 | Dim obj As Object = ClassMapper.ClassWriter(ini, GetType(T)) |
152 | Dim x As Object |
153 | |
154 | For Each prop As PropertyInfo In __getSections(Of T)() |
155 | x = ClassMapper.ClassWriter(ini, prop.PropertyType) |
156 | prop.SetValue(obj, x, Nothing) |
157 | Next |
158 | |
159 | Return DirectCast(obj, T) |
160 | End Function |
161 | |
162 | Private Function __getPath(Of T As Class)() As String |
163 | Dim path As IniMapIO = GetType(T).GetAttribute(Of IniMapIO) |
164 | |
165 | If path Is Nothing Then |
166 | Throw New Exception("Could not found path mapping! @" & GetType(T).FullName) |
167 | Else |
168 | Return path.Path |
169 | End If |
170 | End Function |
171 | |
172 | Public Function LoadProfile(Of T As Class)(Optional ByRef fileExists As Boolean = False, Optional ByRef path$ = Nothing) As T |
173 | path = __getPath(Of T)() |
174 | fileExists = path.FileExists |
175 | |
176 | If Not fileExists Then |
177 | ' 文件不存在,则直接写文件了 |
178 | Dim obj As T = Activator.CreateInstance(Of T) |
179 | Call obj.WriteProfile |
180 | Return obj |
181 | Else |
182 | Return path.LoadProfile(Of T) |
183 | End If |
184 | End Function |
185 | End Module |
186 | End Namespace |