feat: Drop support for net6,net7

Incorporate changes from SeWieland

Author: ChristianSauer

CodeQualityToGitlab/CodeQualityToGitlab.csproj

@@ -8,7 +8,7 @@
         <PackAsTool>true</PackAsTool>
         <ToolCommandName>cq</ToolCommandName>
         <PackageOutputPath>./nupkg</PackageOutputPath>
-        <Version>1.0.0</Version>
+        <Version>2.0.0</Version>
         <Company>codecentric</Company>
         <Copyright>(c) codecentric</Copyright>
         <PackageProjectUrl>https://github.com/codecentric/dotnet_gitlab_code_quality</PackageProjectUrl>

CodeQualityToGitlab/SarifConverters/Converter1.cs

@@ -81,10 +81,19 @@ private static string GetPath(string? pathRoot, LocationVersionOne begin)
 
         if (string.IsNullOrWhiteSpace(pathRoot))
         {
-            return begin.ResultFile.Uri.LocalPath.Replace("//", "\\");
+            return NormalizeSeparators(begin.ResultFile.Uri.LocalPath.Replace(@"\\", @"\"));
         }
+
         var uri = new Uri(pathRoot);
-        return uri.MakeRelativeUri(begin.ResultFile.Uri).ToString().Replace("//", "\\");
+        var absolutePath = begin.ResultFile.Uri.LocalPath;
+        var rootPath = uri.LocalPath;
+
+        if (absolutePath.StartsWith(rootPath))
+        {
+            return NormalizeSeparators(absolutePath[rootPath.Length..]);
+        }
+
+        return NormalizeSeparators(begin.ResultFile.Uri.MakeRelativeUri(uri).ToString());
     }
 
     private static Severity GetSeverity(ResultLevelVersionOne resultLevel)
@@ -100,4 +109,9 @@ private static Severity GetSeverity(ResultLevelVersionOne resultLevel)
             _ => throw new ArgumentOutOfRangeException(nameof(resultLevel), resultLevel, null)
         };
     }
+
+    private static string NormalizeSeparators(string source)
+    {
+        return source.Replace(@"\\", @"\").Replace("//", @"\");
+    }
 }

Test/Test.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
     <PropertyGroup>
-        <TargetFrameworks>net6.0;net7.0;net8.0;net9.0</TargetFrameworks>
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>