115 lines
3.7 KiB
VB.net
115 lines
3.7 KiB
VB.net
#Region "Microsoft.VisualBasic::e89d959e6a8a1b5bfde7cb4d9886656c, Microsoft.VisualBasic.Core\CommandLine\Reflection\RunDll.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 RunDllEntryPoint
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'
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' Constructor: (+1 Overloads) Sub New
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' Function: GetDllMethod, GetPoint
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'
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'
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' /********************************************************************************/
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#End Region
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Imports System.Reflection
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Imports Microsoft.VisualBasic.ComponentModel.DataSourceModel
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Imports Microsoft.VisualBasic.Language
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Namespace CommandLine.Reflection
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''' <summary>
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'''
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''' </summary>
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Public Class RunDllEntryPoint : Inherits [Namespace]
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''' <summary>
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''' rundll namespace::api
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''' </summary>
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''' <param name="Name"></param>
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Sub New(Name As String)
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Call MyBase.New(Name, "")
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End Sub
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''' <summary>
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'''
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''' </summary>
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''' <param name="entrypoint$"></param>
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''' <returns>
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''' 假若没有api的名称的话，是默认使用一个名字为``Main``的主函数来运行的
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''' </returns>
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Public Shared Function GetPoint(entrypoint As String) As NamedValue(Of String)
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Dim entry = entrypoint.GetTagValue("::", trim:=True)
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If entry.Value.StringEmpty Then
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entry.Value = "Main"
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End If
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Return entry
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End Function
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''' <summary>
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''' 大小写不敏感
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''' </summary>
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''' <param name="assembly"></param>
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''' <param name="entryPoint$"></param>
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''' <returns></returns>
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Public Shared Function GetDllMethod(assembly As Assembly, entryPoint$) As MethodInfo
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Dim entry As NamedValue(Of String) = GetPoint(entryPoint)
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Dim types As Type() = GetTypesHelper(assm:=assembly)
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Dim dll As Type = LinqAPI.DefaultFirst(Of Type) _
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_
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() <= From type As Type
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In types
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Let load = type.GetCustomAttribute(Of RunDllEntryPoint)
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Let name = load?.Namespace
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Where Not load Is Nothing AndAlso name.TextEquals(entry.Name)
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Select type
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If dll Is Nothing Then
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Return Nothing
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Else
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Dim matchName = Function(m As MethodInfo)
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Return m.Name.TextEquals(entry.Value)
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End Function
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Dim method As MethodInfo = dll _
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.GetMethods(PublicShared) _
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.Where(predicate:=matchName) _
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.FirstOrDefault
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Return method
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End If
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End Function
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End Class
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End Namespace
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