134 lines
4.8 KiB
VB.net
134 lines
4.8 KiB
VB.net
#Region "Microsoft.VisualBasic::ce29b6690c41276a786f009ed03b2233, Microsoft.VisualBasic.Core\ApplicationServices\LanguageHelper\LanguageHelper.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 LanguageHelper
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'
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' Properties: CurrentLanguage, DeclaringType, LanguageResources
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'
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' Constructor: (+1 Overloads) Sub New
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'
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' Function: ToString
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'
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' Sub: __init
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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 System.Runtime.CompilerServices
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Imports Microsoft.VisualBasic.Language
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Namespace ApplicationServices.Globalization
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''' <summary>
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'''
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''' </summary>
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''' <typeparam name="TLanguage">必须是枚举类型</typeparam>
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Public Class LanguageHelper(Of TLanguage)
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Public ReadOnly Property LanguageResources As SortedDictionary(Of String, StringResources(Of TLanguage))
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Public ReadOnly Property DeclaringType As Type
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Public Property CurrentLanguage As TLanguage
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''' <summary>
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''' Get the string that store as specific language.
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''' (获取指定语言的字符串)
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''' </summary>
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''' <param name="Language">字符串的语言</param>
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''' <value></value>
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''' <param name="res">请使用 NameOf 操作符来获取</param>
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''' <returns></returns>
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''' <remarks></remarks>
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Default Public ReadOnly Property Text(Language As TLanguage, res As String) As String
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Get
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If Not _LanguageResources.ContainsKey(res) Then
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Return ""
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Else
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Dim resource = _LanguageResources(res)
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If resource.Resources.ContainsKey(Language) Then
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Return resource.Resources(Language).Text
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Else
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Return resource.Default
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End If
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End If
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End Get
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End Property
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Default Public ReadOnly Property Text(res As String) As String
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<MethodImpl(MethodImplOptions.AggressiveInlining)>
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Get
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Return Text(CurrentLanguage, res)
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End Get
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End Property
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Public Overrides Function ToString() As String
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Return $"{DeclaringType.FullName}@{DirectCast(DirectCast(CurrentLanguage, Object), [Enum]).Description}"
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End Function
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''' <summary>
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''' 解析出所有属性，域上面的语言定义
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''' </summary>
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''' <param name="type">必须是模块类型或者属性或者域是共享类型的</param>
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Sub New(type As Type)
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Dim Propertys = type.GetProperties(BindingFlags.Public Or BindingFlags.NonPublic Or BindingFlags.Static)
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Dim Fields = type.GetFields(BindingFlags.Public Or BindingFlags.NonPublic Or BindingFlags.Static)
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Dim Members As New List(Of MemberInfo)
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Call Members.AddRange(Propertys)
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Call Members.AddRange(Fields)
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Call __init(Members)
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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="members"></param>
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Private Sub __init(members As IEnumerable(Of MemberInfo))
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Dim LQuery = LinqAPI.Exec(Of StringResources(Of TLanguage)) _
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_
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() <= From member As MemberInfo
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In members
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Let res As StringResources(Of TLanguage) = StringResources(Of TLanguage).SafelyGenerates(member)
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Where Not res Is Nothing
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Select res
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_LanguageResources = New SortedDictionary(Of String, StringResources(Of TLanguage))(LQuery.ToDictionary(Function(res) res.Name))
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_DeclaringType = members(Scan0).DeclaringType
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End Sub
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End Class
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End Namespace
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