115 lines
3.9 KiB
VB.net
115 lines
3.9 KiB
VB.net
#Region "Microsoft.VisualBasic::4997b427ff7828d26117155c6bab2511, Microsoft.VisualBasic.Core\CommandLine\CliResCommon.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 CliResCommon
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'
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' Constructor: (+1 Overloads) Sub New
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' Function: ToString, TryRelease
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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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Namespace CommandLine
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''' <summary>
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''' CLI resources manager
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'''
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''' (将程序内部自身的资源数据释放到文件的帮助对象)
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''' </summary>
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Public Class CliResCommon
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Private ReadOnly bufType As Type = GetType(Byte())
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Private ReadOnly Resource As Dictionary(Of String, Func(Of Byte()))
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ReadOnly EXPORT As String
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''' <summary>
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''' 内部资源为一个可执行文件，其将会被释放到<paramref name="EXPORT"/>文件夹之中
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''' </summary>
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''' <param name="EXPORT">资源文件的数据缓存文件夹</param>
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Sub New(EXPORT As String, ResourceManager As Type)
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Dim tag As BindingFlags = BindingFlags.NonPublic Or BindingFlags.Static
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Dim propBufs = From [Property] As PropertyInfo
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In ResourceManager.GetProperties(bindingAttr:=tag)
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Where [Property].PropertyType.Equals(bufType)
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Select [Property]
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Me.EXPORT = EXPORT
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Me.Resource = propBufs.ToDictionary(Of String, Func(Of Byte()))(
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Function(x) x.Name,
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Function(x) New Func(Of Byte())(Function() DirectCast(x.GetValue(Nothing, Nothing), Byte())))
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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="Name">使用 NameOf 操作符来获取资源</param>
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''' <returns></returns>
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Public Function TryRelease(Name As String, Optional ext As String = "exe") As String
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Dim path As String = $"{EXPORT}/{Name}.{ext}"
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If path.FileExists Then
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Return path
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End If
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If Not Resource.ContainsKey(Name) Then
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Return ""
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End If
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Dim buf As Byte() = Resource(Name)()
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Try
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If buf.FlushStream(path) Then
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Call Console.WriteLine(resReleaseMsg, path.ToFileURL, buf.Length)
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Return path
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Else
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Return ""
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End If
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Catch ex As Exception
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ex = New Exception(path, ex)
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Call App.LogException(ex)
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Return ""
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End Try
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End Function
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Const resReleaseMsg As String = "Release resource to {0} // length={1} bytes"
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Public Overrides Function ToString() As String
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Return EXPORT
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End Function
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End Class
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End Namespace
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