| 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 |