140 lines
4.2 KiB
VB.net
140 lines
4.2 KiB
VB.net
#Region "Microsoft.VisualBasic::e5d124ec5793dd97ffb34ea0fbf396f7, Microsoft.VisualBasic.Core\ApplicationServices\Terminal\Utility\EventProc.vb"
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' Author:
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'
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' asuka (amethyst.asuka@gcmodeller.org)
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' xie (genetics@smrucc.org)
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' xieguigang (xie.guigang@live.com)
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'
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' Copyright (c) 2018 GPL3 Licensed
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'
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'
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' GNU GENERAL PUBLIC LICENSE (GPL3)
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'
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'
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' This program is free software: you can redistribute it and/or modify
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' it under the terms of the GNU General Public License as published by
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' the Free Software Foundation, either version 3 of the License, or
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' (at your option) any later version.
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'
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' This program is distributed in the hope that it will be useful,
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' but WITHOUT ANY WARRANTY; without even the implied warranty of
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' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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' GNU General Public License for more details.
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'
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' You should have received a copy of the GNU General Public License
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' along with this program. If not, see <http://www.gnu.org/licenses/>.
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' /********************************************************************************/
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' Summaries:
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' Class EventProc
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'
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' Properties: Capacity
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'
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' Constructor: (+1 Overloads) Sub New
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' Function: Tick, ToString
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.IO
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Imports System.Runtime.CompilerServices
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Imports Microsoft.VisualBasic.Language
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Imports sys = System.Math
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Namespace ApplicationServices.Terminal.Utility
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''' <summary>
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''' Generates the task progress for the console output.(处理任务进度)
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''' </summary>
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Public Class EventProc
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''' <summary>
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''' The total <see cref="Tick"/>
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''' </summary>
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''' <returns></returns>
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Public Property Capacity As Integer
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Get
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Return _capacity
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End Get
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Set(value As Integer)
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_capacity = value
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delta = Capacity / 100
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current = CInt(_capacity * percentage)
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End Set
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End Property
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Dim _capacity As Integer
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Dim delta As Integer
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Dim tag As String
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Dim out As StreamWriter
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Dim current As i32 = 0
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''' <summary>
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'''
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''' </summary>
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''' <param name="n"></param>
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''' <param name="tag"></param>
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''' <param name="out">Default is <see cref="Console"/></param>
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Sub New(n As Integer, <CallerMemberName> Optional tag As String = "", Optional out As StreamWriter = Nothing)
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Me.Capacity = n
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Me.tag = tag
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Me.out = out Or App.StdOut
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If String.IsNullOrEmpty(Me.tag) Then
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Me.tag = vbTab
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End If
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End Sub
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''' <summary>
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''' 会自动输出进度的
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''' </summary>
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''' <returns></returns>
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Public Function Tick() As Integer
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If delta = 0 Then
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Return 0
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End If
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If ++current Mod delta = 0 Then
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Call ToString.__DEBUG_ECHO
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Else
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Call out.Write(".")
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End If
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Return current
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End Function
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''' <summary>
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''' Current progress percentage.
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''' </summary>
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Dim percentage As Double
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Dim sw As Stopwatch = Stopwatch.StartNew
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''' <summary>
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''' Previous <see cref="Stopwatch.ElapsedMilliseconds"/>
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''' </summary>
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Dim preElapsedMilliseconds As Long
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''' <summary>
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''' Generates progress output
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''' </summary>
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''' <returns></returns>
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Public Overrides Function ToString() As String
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If Capacity = 0 Then
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Return ""
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End If
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Dim dt As Long = sw.ElapsedMilliseconds - preElapsedMilliseconds
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preElapsedMilliseconds = sw.ElapsedMilliseconds
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percentage = current / Capacity
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Return $" [{tag}, {dt}ms] * ...... {sys.Round(100 * percentage, 2)}%"
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End Function
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End Class
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End Namespace
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