| 1 | #Region "Microsoft.VisualBasic::d4411acf6097d66a4d5f3b9c0de3cb1a, Microsoft.VisualBasic.Core\ComponentModel\File\ITextFile.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 ITextFile |
| 35 | ' |
| 36 | ' Properties: (+2 Overloads) FilePath |
| 37 | ' |
| 38 | ' Function: __getDefaultPath, getEncoding, getPath, Save, ToString |
| 39 | ' |
| 40 | ' Sub: CopyTo, (+2 Overloads) Dispose |
| 41 | ' |
| 42 | ' |
| 43 | ' /********************************************************************************/ |
| 44 | |
| 45 | #End Region |
| 46 | |
| 47 | Imports System.Text |
| 48 | Imports System.Web.Script.Serialization |
| 49 | Imports System.Xml.Serialization |
| 50 | Imports Microsoft.VisualBasic.CommandLine.Reflection |
| 51 | Imports Microsoft.VisualBasic.Language |
| 52 | Imports Microsoft.VisualBasic.Scripting.MetaData |
| 53 | Imports Microsoft.VisualBasic.Text |
| 54 | |
| 55 | Namespace ComponentModel |
| 56 | |
| 57 | ''' <summary> |
| 58 | ''' Object model of the text file doucment.(文本文件的对象模型,这个文本文件对象在Disposed的时候会自动保存其中的数据) |
| 59 | ''' </summary> |
| 60 | ''' <remarks></remarks> |
| 61 | Public MustInherit Class ITextFile : Inherits BaseClass |
| 62 | Implements IDisposable |
| 63 | Implements ISaveHandle |
| 64 | Implements IFileReference |
| 65 | #If NET_40 = 0 Then |
| 66 | Implements Settings.IProfile |
| 67 | #End If |
| 68 | |
| 69 | ''' <summary> |
| 70 | ''' The storage filepath of this text file. |
| 71 | ''' </summary> |
| 72 | ''' <value></value> |
| 73 | ''' <returns></returns> |
| 74 | ''' <remarks></remarks> |
| 75 | ''' #If NET_40 = 0 Then |
| 76 | <XmlIgnore> <ScriptIgnore> |
| 77 | Public Overridable Property FilePath As String Implements Settings.IProfile.FilePath, IFileReference.FilePath |
| 78 | #Else |
| 79 | <XmlIgnore> <ScriptIgnore> |
| 80 | Public Overridable Property FilePath As String |
| 81 | #End If |
| 82 | |
| 83 | #If NET_40 = 0 Then |
| 84 | Public MustOverride Function Save(Optional path As String = "", Optional encoding As Encoding = Nothing) As Boolean Implements Settings.IProfile.Save, ISaveHandle.Save |
| 85 | #Else |
| 86 | Public MustOverride Function Save(Optional FilePath As String = "", Optional Encoding As Encoding = Nothing) As Boolean Implements ISaveHandle.Save |
| 87 | #End If |
| 88 | |
| 89 | Public Overrides Function ToString() As String |
| 90 | Dim path As String = FilePath |
| 91 | |
| 92 | If String.IsNullOrEmpty(path) Then |
| 93 | Return MyBase.ToString |
| 94 | Else |
| 95 | Return path.ToFileURL |
| 96 | End If |
| 97 | End Function |
| 98 | |
| 99 | Protected Friend Sub CopyTo(Of T As ITextFile)(ByRef TextFile As T) |
| 100 | TextFile.Extension = Extension |
| 101 | TextFile.FilePath = FilePath |
| 102 | End Sub |
| 103 | |
| 104 | ''' <summary> |
| 105 | ''' Automatically determine the path paramater: If the target path is empty, then return |
| 106 | ''' the file object path <see cref="FilePath"></see> property, if not then return the |
| 107 | ''' <paramref name="path"></paramref> directly. |
| 108 | ''' (当<paramref name="path"></paramref>的值不为空的时候,本对象之中的路径参数将会被替换,反之返回本对象的路径参数) |
| 109 | ''' </summary> |
| 110 | ''' <param name="path">用户所输入的文件路径</param> |
| 111 | ''' <returns></returns> |
| 112 | ''' <remarks></remarks> |
| 113 | Protected Overridable Function getPath(path As String) As String |
| 114 | If String.IsNullOrEmpty(path) Then |
| 115 | path = FilePath |
| 116 | Else |
| 117 | FilePath = path |
| 118 | End If |
| 119 | |
| 120 | If String.IsNullOrEmpty(path) Then |
| 121 | FilePath = __getDefaultPath() |
| 122 | Return FilePath |
| 123 | End If |
| 124 | |
| 125 | Return path |
| 126 | End Function |
| 127 | |
| 128 | Protected Overridable Function __getDefaultPath() As String |
| 129 | Return "" |
| 130 | End Function |
| 131 | |
| 132 | Protected Shared Function getEncoding(encoding As Encoding) As Encoding |
| 133 | If encoding Is Nothing Then |
| 134 | Return Encoding.Default |
| 135 | Else |
| 136 | Return encoding |
| 137 | End If |
| 138 | End Function |
| 139 | |
| 140 | #Region "IDisposable Support" |
| 141 | Protected disposedValue As Boolean ' 检测冗余的调用 |
| 142 | |
| 143 | ' IDisposable |
| 144 | Protected Overridable Overloads Sub Dispose(disposing As Boolean) |
| 145 | If Not Me.disposedValue Then |
| 146 | If disposing Then |
| 147 | Call Save(encoding:=UTF8WithoutBOM) |
| 148 | ' TODO: 释放托管状态(托管对象)。 |
| 149 | End If |
| 150 | |
| 151 | ' TODO: 释放非托管资源(非托管对象)并重写下面的 Finalize()。 |
| 152 | ' TODO: 将大型字段设置为 null。 |
| 153 | End If |
| 154 | Me.disposedValue = True |
| 155 | End Sub |
| 156 | |
| 157 | ' TODO: 仅当上面的 Dispose( disposing As Boolean)具有释放非托管资源的代码时重写 Finalize()。 |
| 158 | 'Protected Overrides Sub Finalize() |
| 159 | ' ' 不要更改此代码。 请将清理代码放入上面的 Dispose( disposing As Boolean)中。 |
| 160 | ' Dispose(False) |
| 161 | ' MyBase.Finalize() |
| 162 | 'End Sub |
| 163 | |
| 164 | ' Visual Basic 添加此代码是为了正确实现可处置模式。 |
| 165 | Public Overloads Sub Dispose() Implements IDisposable.Dispose |
| 166 | ' 不要更改此代码。 请将清理代码放入上面的 Dispose (disposing As Boolean)中。 |
| 167 | Dispose(True) |
| 168 | GC.SuppressFinalize(Me) |
| 169 | End Sub |
| 170 | #End Region |
| 171 | |
| 172 | Public Function Save(Optional path As String = "", Optional encoding As Encodings = Encodings.UTF8) As Boolean Implements ISaveHandle.Save |
| 173 | Return Save(path, encoding.CodePage) |
| 174 | End Function |
| 175 | End Class |
| 176 | End Namespace |