69 lines
2.3 KiB
VB.net
69 lines
2.3 KiB
VB.net
#Region "Microsoft.VisualBasic::bfa46ec31b7a74506e4a53da0e692eca, Microsoft.VisualBasic.Core\Extensions\Trinity\Expression.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 Expression
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'
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' Function: Concatenate
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Runtime.CompilerServices
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Imports Microsoft.VisualBasic.Language
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Namespace Data.Trinity
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''' <summary>
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''' Natural expression builder for AI output
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''' </summary>
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Public Module Expression
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<Extension>
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Public Function Concatenate(list As IEnumerable(Of String), Optional comma$ = ",", Optional andalso$ = "and", Optional etc$ = "etc", Optional joinSpace As Boolean = True) As String
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Dim space$ = If(joinSpace, " ", "")
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With list.ToArray
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If .Length = 1 Then
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Return .ByRef(0)
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ElseIf .Length < 8 Then
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Return .Take(.Length - 1).JoinBy(comma & space) & $"{space}{[andalso]}{space}" & .Last
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Else
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Return .Take(7).JoinBy(comma & space) & $"{space}{[andalso]}{space}" & .ByRef(7) & $"{comma}{space}{etc}"
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End If
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End With
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End Function
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End Module
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End Namespace
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