120 lines
4.2 KiB
VB.net
120 lines
4.2 KiB
VB.net
#Region "Microsoft.VisualBasic::377f3d57b57d224a10c22e11077b8b3b, Microsoft.VisualBasic.Core\Scripting\Runtime\Extensions.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 Extensions
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'
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' Properties: Numerics
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'
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' Constructor: (+1 Overloads) Sub New
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' Function: CreateArray, CreatePrimitiveType, OverloadsBinaryOperator
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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 System.Reflection
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Imports Microsoft.VisualBasic.ComponentModel.Collection
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Namespace Scripting.Runtime
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Public Module Extensions
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Public ReadOnly Property Numerics As Index(Of TypeCode)
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Sub New()
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Numerics = {
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TypeCode.Byte,
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TypeCode.Decimal,
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TypeCode.Double,
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TypeCode.Int16,
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TypeCode.Int32,
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TypeCode.Int64,
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TypeCode.SByte,
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TypeCode.Single,
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TypeCode.UInt16,
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TypeCode.UInt32,
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TypeCode.UInt64
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}.Indexing
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End Sub
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''' <summary>
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''' ``<see cref="TypeCode"/> -> <see cref="Type"/>``
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''' </summary>
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''' <param name="type"></param>
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''' <returns></returns>
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<Extension>
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Public Function CreatePrimitiveType(type As TypeCode) As Type
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Select Case type
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Case TypeCode.Boolean : Return GetType(Boolean)
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Case TypeCode.Byte : Return GetType(Byte)
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Case TypeCode.Char : Return GetType(Char)
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Case TypeCode.DateTime : Return GetType(DateTime)
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Case TypeCode.DBNull : Return GetType(Void)
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Case TypeCode.Decimal : Return GetType(Decimal)
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Case TypeCode.Double : Return GetType(Double)
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Case TypeCode.Int16 : Return GetType(Int16)
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Case TypeCode.Int32 : Return GetType(Int32)
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Case TypeCode.Int64 : Return GetType(Int64)
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Case TypeCode.Object : Return GetType(Object)
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Case TypeCode.SByte : Return GetType(SByte)
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Case TypeCode.Single : Return GetType(Single)
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Case TypeCode.String : Return GetType(String)
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Case TypeCode.UInt16 : Return GetType(UInt16)
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Case TypeCode.UInt32 : Return GetType(UInt32)
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Case TypeCode.UInt64 : Return GetType(UInt64)
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Case Else
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Return Nothing
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End Select
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End Function
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<Extension>
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Public Function OverloadsBinaryOperator(methods As IEnumerable(Of MethodInfo)) As BinaryOperator
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Return BinaryOperator.CreateOperator(methods?.ToArray)
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End Function
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<Extension>
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Public Function CreateArray(data As IEnumerable, type As Type) As Object
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Dim src = data.Cast(Of Object).ToArray
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Dim array As Array = Array.CreateInstance(type, src.Length)
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For i As Integer = 0 To src.Length - 1
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array.SetValue(src(i), i)
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Next
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Return array
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End Function
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End Module
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End Namespace
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