| 1 | #Region "Microsoft.VisualBasic::38debb6d764deb9a2c989eb6906b51c9, Microsoft.VisualBasic.Core\ApplicationServices\Terminal\Utility\EventProc.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 EventProc |
| 35 | ' |
| 36 | ' Properties: Capacity |
| 37 | ' |
| 38 | ' Constructor: (+1 Overloads) Sub New |
| 39 | ' Function: Tick, ToString |
| 40 | ' |
| 41 | ' |
| 42 | ' /********************************************************************************/ |
| 43 | |
| 44 | #End Region |
| 45 | |
| 46 | Imports System.IO |
| 47 | Imports System.Runtime.CompilerServices |
| 48 | Imports Microsoft.VisualBasic.Language |
| 49 | Imports sys = System.Math |
| 50 | |
| 51 | Namespace Terminal.Utility |
| 52 | |
| 53 | ''' <summary> |
| 54 | ''' Generates the task progress for the console output.(处理任务进度) |
| 55 | ''' </summary> |
| 56 | Public Class EventProc |
| 57 | |
| 58 | ''' <summary> |
| 59 | ''' The total <see cref="Tick"/> |
| 60 | ''' </summary> |
| 61 | ''' <returns></returns> |
| 62 | Public Property Capacity As Integer |
| 63 | Get |
| 64 | Return _capacity |
| 65 | End Get |
| 66 | Set(value As Integer) |
| 67 | _capacity = value |
| 68 | delta = Capacity / 100 |
| 69 | current = CInt(_capacity * percentage) |
| 70 | End Set |
| 71 | End Property |
| 72 | |
| 73 | Dim _capacity As Integer |
| 74 | Dim delta As Integer |
| 75 | Dim tag As String |
| 76 | Dim out As StreamWriter |
| 77 | Dim current As int = 0 |
| 78 | |
| 79 | ''' <summary> |
| 80 | ''' |
| 81 | ''' </summary> |
| 82 | ''' <param name="n"></param> |
| 83 | ''' <param name="tag"></param> |
| 84 | ''' <param name="out">Default is <see cref="Console"/></param> |
| 85 | Sub New(n As Integer, <CallerMemberName> Optional tag As String = "", Optional out As StreamWriter = Nothing) |
| 86 | Me.Capacity = n |
| 87 | Me.tag = tag |
| 88 | Me.out = If(out Is Nothing, |
| 89 | New StreamWriter(Console.OpenStandardOutput), |
| 90 | out) |
| 91 | |
| 92 | If String.IsNullOrEmpty(Me.tag) Then |
| 93 | Me.tag = vbTab |
| 94 | End If |
| 95 | End Sub |
| 96 | |
| 97 | ''' <summary> |
| 98 | ''' 会自动输出进度的 |
| 99 | ''' </summary> |
| 100 | ''' <returns></returns> |
| 101 | Public Function Tick() As Integer |
| 102 | If delta = 0 Then |
| 103 | Return 0 |
| 104 | End If |
| 105 | |
| 106 | If ++current Mod delta = 0 Then |
| 107 | Call ToString.__DEBUG_ECHO |
| 108 | Else |
| 109 | Call out.Write(".") |
| 110 | End If |
| 111 | |
| 112 | Return current |
| 113 | End Function |
| 114 | |
| 115 | ''' <summary> |
| 116 | ''' Current progress percentage. |
| 117 | ''' </summary> |
| 118 | Dim percentage As Double |
| 119 | Dim sw As Stopwatch = Stopwatch.StartNew |
| 120 | ''' <summary> |
| 121 | ''' Previous <see cref="Stopwatch.ElapsedMilliseconds"/> |
| 122 | ''' </summary> |
| 123 | Dim preElapsedMilliseconds As Long |
| 124 | |
| 125 | ''' <summary> |
| 126 | ''' Generates progress output |
| 127 | ''' </summary> |
| 128 | ''' <returns></returns> |
| 129 | Public Overrides Function ToString() As String |
| 130 | If Capacity = 0 Then |
| 131 | Return "" |
| 132 | End If |
| 133 | |
| 134 | Dim dt As Long = sw.ElapsedMilliseconds - preElapsedMilliseconds |
| 135 | preElapsedMilliseconds = sw.ElapsedMilliseconds |
| 136 | percentage = current / Capacity |
| 137 | |
| 138 | Return $" [{tag}, {dt}ms] * ...... {sys.Round(100 * percentage, 2)}%" |
| 139 | End Function |
| 140 | End Class |
| 141 | End Namespace |