311 lines
12 KiB
VB.net
311 lines
12 KiB
VB.net
#Region "Microsoft.VisualBasic::85142a2f0041cc8218b7114fa9ad9b2f, Microsoft.VisualBasic.Core\ApplicationServices\Terminal\PrintAsTable.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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' Module PrintAsTable
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'
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' Function: (+2 Overloads) Print
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'
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' Sub: Print, PrintTable
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' Delegate Sub
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'
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' Sub: (+3 Overloads) Print, printInternal
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'
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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 System.Text
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Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel
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Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel.SchemaMaps
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Imports Microsoft.VisualBasic.Language
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Imports Microsoft.VisualBasic.Linq
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Namespace ApplicationServices.Terminal
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Public Module PrintAsTable
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''' <summary>
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''' Returns a text string
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''' </summary>
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''' <typeparam name="T"></typeparam>
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''' <param name="source"></param>
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''' <param name="addBorder"></param>
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''' <returns></returns>
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<Extension>
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Public Function Print(Of T)(source As IEnumerable(Of T), Optional addBorder As Boolean = True) As String
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Dim out As New StringBuilder
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Dim dev As New StringWriter(out)
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Call source.Print(dev, addBorder)
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Return out.ToString
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End Function
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<Extension>
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Public Function Print(source As IEnumerable(Of String()), Optional addBorder As Boolean = True) As String
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Dim out As New StringBuilder
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Dim dev As New StringWriter(out)
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If addBorder Then
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Call source.PrintTable(dev, sep:=" "c)
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Else
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Call source.Print(dev, sep:=" "c)
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End If
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Return out.ToString
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End Function
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''' <summary>
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''' Print the object collection as table on the console
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''' </summary>
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''' <typeparam name="T"></typeparam>
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''' <param name="source"></param>
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''' <param name="dev"></param>
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''' <param name="addBorder"></param>
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<Extension>
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Public Sub Print(Of T)(source As IEnumerable(Of T), dev As TextWriter, Optional addBorder As Boolean = True)
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Dim schema = LinqAPI.Exec(Of BindProperty(Of DataFrameColumnAttribute)) _
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_
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() <= From x As BindProperty(Of DataFrameColumnAttribute)
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In DataFrameColumnAttribute _
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.LoadMapping(Of T)(mapsAll:=True) _
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.Values
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Where x.IsPrimitive
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Select x
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Dim titles As String() = schema.Select(Function(x) x.Identity).ToArray
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Dim contents = LinqAPI.Exec(Of Dictionary(Of String, String)) _
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_
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() <= From x As T
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In source
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Select (From p As BindProperty(Of DataFrameColumnAttribute)
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In schema
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Select p,
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s = p.GetValue(x)) _
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.ToDictionary(Function(o) o.p.Identity,
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Function(o) Scripting.ToString(o.s))
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Dim table As List(Of String()) =
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contents _
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.Select(Function(line)
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Return titles.Select(Function(name) line(name)).ToArray
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End Function) _
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.AsList
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If addBorder Then
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Call (titles + table).PrintTable(dev, sep:=" "c)
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Else
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Call (titles + table).Print(dev, sep:=" "c)
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End If
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End Sub
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''' <summary>
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''' 与函数<see cref="Print"/>所不同的是，这个函数还会添加边框
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''' </summary>
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''' <param name="source"></param>
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''' <param name="dev"></param>
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''' <param name="sep"></param>
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<Extension>
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Public Sub PrintTable(source As IEnumerable(Of String()),
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Optional dev As TextWriter = Nothing,
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Optional sep As Char = " "c,
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Optional title$() = Nothing,
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Optional trilinearTable As Boolean = False,
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Optional leftMargin% = 0)
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Dim printHead As Boolean = False
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Dim table$()() = source.ToArray
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Dim printOfHead As printOnDevice =
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Sub(row, width, maxLen, device)
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If leftMargin > 0 Then
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Call device.Write(New String(sep, leftMargin))
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End If
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Call device.Write("+")
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Call device.Write(maxLen.Select(Function(l) New String("-"c, l)).JoinBy("+"))
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Call device.Write("+")
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Call device.WriteLine()
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End Sub
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If Not title Is Nothing Then
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table = title.Join(table).ToArray
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End If
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Call table.printInternal(
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dev, 2, Sub(row, width, maxLen, device)
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Dim offset% = 0
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If Not printHead Then
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Call printOfHead(Nothing, width, maxLen, device)
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End If
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If leftMargin > 0 Then
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Call device.Write(New String(sep, leftMargin))
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End If
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If Not trilinearTable Then
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Call device.Write("|")
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End If
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For i As Integer = 0 To width - 1
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If row(i) Is Nothing Then
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row(i) = ""
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End If
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If trilinearTable Then
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device.Write(" ")
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End If
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offset = maxLen(i) - row(i).Length - 1
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device.Write(" " & row(i) & New String(sep, offset))
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If Not trilinearTable Then
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Call device.Write("|")
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End If
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Next
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Call device.WriteLine()
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If Not printHead Then
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Call printOfHead(Nothing, width, maxLen, device)
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printHead = True
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End If
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End Sub, printOfHead)
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End Sub
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Private Delegate Sub printOnDevice(row$(), width%, maxLen%(), device As TextWriter)
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<Extension>
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Private Sub printInternal(table$()(), dev As TextWriter, distance%, printLayout As printOnDevice, Optional final As printOnDevice = Nothing)
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With dev Or Console.Out.AsDefault
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Dim width% = table.Max(Function(row) row.Length)
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Dim index%
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Dim maxLen%() = New Integer(width - 1) {}
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' 按照列计算出layout偏移量
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For i As Integer = 0 To width - 1
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index = i
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maxLen(index) = table _
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.Select(Function(row) row.ElementAtOrDefault(index)) _
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.Select(Function(s)
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If String.IsNullOrEmpty(s) Then
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Return 0
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Else
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Return s.Length
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End If
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End Function) _
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.Max + distance
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Next
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For Each row As String() In table
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Call printLayout(row, width, maxLen, .ByRef)
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Next
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If Not final Is Nothing Then
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Call final(Nothing, width, maxLen, .ByRef)
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End If
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Call .Flush()
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End With
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End Sub
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''' <summary>
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''' Print the string matrix collection <paramref name="source"/> in table layout.
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''' </summary>
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''' <param name="source">The string matrix collection.</param>
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''' <param name="dev">The output device</param>
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''' <param name="sep"></param>
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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<Extension>
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Public Sub Print(source As IEnumerable(Of String()), Optional dev As TextWriter = Nothing, Optional sep As Char = " "c, Optional distance% = 2)
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Call source _
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.ToArray _
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.printInternal(
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dev, distance, Sub(row, width, maxLen, device)
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Dim offset% = 0
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For i As Integer = 0 To width - 1
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If row(i) Is Nothing Then
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row(i) = ""
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End If
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device.Write(New String(sep, offset) & row(i))
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offset = maxLen(i) - row(i).Length
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Next
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Call device.WriteLine()
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End Sub)
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End Sub
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''' <summary>
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''' Print the string dictionary as table
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''' </summary>
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''' <param name="table"></param>
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''' <param name="dev"></param>
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''' <param name="sep"></param>
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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<Extension>
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Public Sub Print(table As Dictionary(Of String, String),
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Optional dev As TextWriter = Nothing,
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Optional sep As Char = " "c,
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Optional distance% = 2)
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Call {
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New String() {"Item", "Value"}
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} _
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.Join(table.Select(Function(map) {map.Key, map.Value})) _
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.Print(dev, sep, distance)
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End Sub
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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<Extension>
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Public Sub Print(data As IEnumerable(Of NamedValue(Of String)),
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Optional dev As TextWriter = Nothing,
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Optional sep As Char = " "c,
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Optional trilinearTable As Boolean = False,
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Optional leftMargin% = 0)
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Call {
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New String() {"Name", "Value", "Description"}
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} _
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.Join(data.Select(Function(item)
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Return {item.Name, item.Value, item.Description}
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End Function)) _
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.PrintTable(
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dev,
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sep,
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trilinearTable:=trilinearTable,
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leftMargin:=leftMargin)
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End Sub
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End Module
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End Namespace
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