2.7.4

Plain Craft Launcher 2/Modules/Base/ModBase.vb

@@ -11,12 +11,12 @@ Public Module ModBase
 #Region "声明"
 
     '下列版本信息由更新器自动修改
-    Public Const VersionBaseName As String = "2.7.3" '不含分支前缀的显示用版本名
-    Public Const VersionStandardCode As String = "2.7.3." & VersionBranchCode '标准格式的四段式版本号
+    Public Const VersionBaseName As String = "2.7.4" '不含分支前缀的显示用版本名
+    Public Const VersionStandardCode As String = "2.7.4." & VersionBranchCode '标准格式的四段式版本号
 #If BETA Then
     Public Const VersionCode As Integer = 323 'Release
 #Else
-    Public Const VersionCode As Integer = 324 'Snapshot
+    Public Const VersionCode As Integer = 325 'Snapshot
 #End If
     '自动生成的版本信息
     Public Const VersionDisplayName As String = VersionBranchName & " " & VersionBaseName
@@ -1451,7 +1451,8 @@ Re:
         Try
             Return JsonConvert.DeserializeObject(Data, New JsonSerializerSettings With {.DateTimeZoneHandling = DateTimeZoneHandling.Local})
         Catch ex As Exception
-            Throw New Exception("格式化 json 对象失败：" & If(If(Data, "").Length > 10000, Data.Substring(0, 100) & "...", Data))
+            Dim Length As Integer = If(Data, "").Length
+            Throw New Exception("格式化 json 对象失败：" & If(Length > 10000, Data.Substring(0, 100) & $"...(全长 {Length} 个字符)..." & Right(Data, 100), Data))
         End Try
     End Function
 
@@ -1544,6 +1545,51 @@ Re:
         Return Input.All(Function(c) AscW(c) < 128)
     End Function
 
+    ''' <summary>
+    ''' 获取在子字符串之前的部分。
+    ''' 会裁切尽可能多的内容，但如果未找到子字符串则不裁切。
+    ''' </summary>
+    <Extension> Public Function Before(Str As String, Text As String, Optional IgnoreCase As Boolean = False) As String
+        Dim Pos As Integer = If(String.IsNullOrEmpty(Text), -1, Str.IndexOfF(Text, IgnoreCase))
+        If Pos >= 0 Then
+            Return Str.Substring(0, Pos)
+        Else
+            Return Str
+        End If
+    End Function
+    ''' <summary>
+    ''' 获取在子字符串之后的部分。
+    ''' 会裁切尽可能多的内容，但如果未找到子字符串则不裁切。
+    ''' </summary>
+    <Extension> Public Function After(Str As String, Text As String, Optional IgnoreCase As Boolean = False) As String
+        Dim Pos As Integer = If(String.IsNullOrEmpty(Text), -1, Str.LastIndexOfF(Text, IgnoreCase))
+        If Pos >= 0 Then
+            Return Str.Substring(Pos + Text.Length)
+        Else
+            Return Str
+        End If
+    End Function
+    ''' <summary>
+    ''' 获取处于两个子字符串之间的部分。
+    ''' 会裁切尽可能多的内容：匹配开始使用 LastIndexOf，匹配结束使用 IndexOf，但如果未找到子字符串则不裁切。
+    ''' </summary>
+    <Extension> Public Function Between(Str As String, Before As String, After As String, Optional IgnoreCase As Boolean = False) As String
+        Dim StartPos As Integer = If(String.IsNullOrEmpty(Before), -1, Str.LastIndexOfF(Before, IgnoreCase))
+        If StartPos >= 0 Then
+            StartPos += Before.Length
+        Else
+            StartPos = 0
+        End If
+        Dim EndPos As Integer = If(String.IsNullOrEmpty(After), -1, Str.IndexOfF(After, StartPos, IgnoreCase))
+        If EndPos >= 0 Then
+            Return Str.Substring(StartPos, EndPos - StartPos)
+        ElseIf StartPos > 0 Then
+            Return Str.Substring(StartPos)
+        Else
+            Return Str
+        End If
+    End Function
+
     ''' <summary>
     ''' 高速的 StartsWith。
     ''' </summary>
@@ -1573,12 +1619,26 @@ Re:
         Return Str.IndexOf(SubStr, If(IgnoreCase, StringComparison.OrdinalIgnoreCase, StringComparison.Ordinal))
     End Function
     ''' <summary>
+    ''' 高速的 IndexOf。
+    ''' </summary>
+    <Extension> <MethodImpl(MethodImplOptions.AggressiveInlining)>
+    Public Function IndexOfF(Str As String, SubStr As String, StartIndex As Integer, Optional IgnoreCase As Boolean = False) As Integer
+        Return Str.IndexOf(SubStr, StartIndex, If(IgnoreCase, StringComparison.OrdinalIgnoreCase, StringComparison.Ordinal))
+    End Function
+    ''' <summary>
     ''' 高速的 LastIndexOf。
     ''' </summary>
     <Extension> <MethodImpl(MethodImplOptions.AggressiveInlining)>
     Public Function LastIndexOfF(Str As String, SubStr As String, Optional IgnoreCase As Boolean = False) As Integer
         Return Str.LastIndexOf(SubStr, If(IgnoreCase, StringComparison.OrdinalIgnoreCase, StringComparison.Ordinal))
     End Function
+    ''' <summary>
+    ''' 高速的 LastIndexOf。
+    ''' </summary>
+    <Extension> <MethodImpl(MethodImplOptions.AggressiveInlining)>
+    Public Function LastIndexOfF(Str As String, SubStr As String, StartIndex As Integer, Optional IgnoreCase As Boolean = False) As Integer
+        Return Str.LastIndexOf(SubStr, StartIndex, If(IgnoreCase, StringComparison.OrdinalIgnoreCase, StringComparison.Ordinal))
+    End Function
 
     ''' <summary>
     ''' 输入 And 字符不会报错的 Val。