public static Dictionary CreateProjectReferenceInfos()

in src/Tasks/Microsoft.NET.Build.Tasks/SingleProjectInfo.cs [57:142]
66 lines of code
12 McCabe index (conditional complexity)

        public static Dictionary<string, SingleProjectInfo> CreateProjectReferenceInfos(
            IEnumerable<ITaskItem> referencePaths,
            IEnumerable<ITaskItem> referenceDependencyPaths,
            IEnumerable<ITaskItem> referenceSatellitePaths)
        {
            Dictionary<string, SingleProjectInfo> projectReferences = new Dictionary<string, SingleProjectInfo>(StringComparer.OrdinalIgnoreCase);

            IEnumerable<ITaskItem> projectReferencePaths = referencePaths
                .Where(r => string.Equals(r.GetMetadata(MetadataKeys.ReferenceSourceTarget), "ProjectReference", StringComparison.OrdinalIgnoreCase));

            foreach (ITaskItem projectReferencePath in projectReferencePaths)
            {
                string sourceProjectFile = projectReferencePath.GetMetadata(MetadataKeys.MSBuildSourceProjectFile);

                if (string.IsNullOrEmpty(sourceProjectFile))
                {
                    throw new BuildErrorException(Strings.MissingItemMetadata, MetadataKeys.MSBuildSourceProjectFile, "ReferencePath", projectReferencePath.ItemSpec);
                }

                string outputName = Path.GetFileName(projectReferencePath.ItemSpec);
                string name = Path.GetFileNameWithoutExtension(outputName);
                string version = null; // it isn't possible to know the version from the MSBuild info.
                                       // The version will be retrieved from the project assets file.

                projectReferences.Add(
                    sourceProjectFile,
                    new SingleProjectInfo(sourceProjectFile, name, version, outputName, dependencyReferences: null, resourceAssemblies: null));
            }

            //  Include direct references of referenced projects, but only if they are CopyLocal
            IEnumerable<ITaskItem> projectReferenceDependencyPaths = referenceDependencyPaths
                .Where(r => string.Equals(r.GetMetadata(MetadataKeys.ReferenceSourceTarget), "ProjectReference", StringComparison.OrdinalIgnoreCase) &&
                            MSBuildUtilities.ConvertStringToBool(r.GetMetadata(MetadataKeys.CopyLocal)));

            foreach (ITaskItem projectReferenceDependencyPath in projectReferenceDependencyPaths)
            {
                string sourceProjectFile = projectReferenceDependencyPath.GetMetadata(MetadataKeys.MSBuildSourceProjectFile);

                if (string.IsNullOrEmpty(sourceProjectFile))
                {
                    throw new BuildErrorException(Strings.MissingItemMetadata, MetadataKeys.MSBuildSourceProjectFile, "ReferenceDependencyPath", projectReferenceDependencyPath.ItemSpec);
                }

                SingleProjectInfo referenceProjectInfo;
                if (projectReferences.TryGetValue(sourceProjectFile, out referenceProjectInfo))
                {
                    ReferenceInfo dependencyReferenceInfo = ReferenceInfo.CreateReferenceInfo(projectReferenceDependencyPath);
                    referenceProjectInfo._dependencyReferences.Add(dependencyReferenceInfo);
                }
            }

            IEnumerable<ITaskItem> projectReferenceSatellitePaths = referenceSatellitePaths
                .Where(r => string.Equals(r.GetMetadata(MetadataKeys.ReferenceSourceTarget), "ProjectReference", StringComparison.OrdinalIgnoreCase));

            foreach (ITaskItem projectReferenceSatellitePath in projectReferenceSatellitePaths)
            {
                string sourceProjectFile = projectReferenceSatellitePath.GetMetadata(MetadataKeys.MSBuildSourceProjectFile);

                if (string.IsNullOrEmpty(sourceProjectFile))
                {
                    throw new BuildErrorException(Strings.MissingItemMetadata, MetadataKeys.MSBuildSourceProjectFile, "ReferenceSatellitePath", projectReferenceSatellitePath.ItemSpec);
                }

                SingleProjectInfo referenceProjectInfo;
                if (projectReferences.TryGetValue(sourceProjectFile, out referenceProjectInfo))
                {
                    string originalItemSpec = projectReferenceSatellitePath.GetMetadata(MetadataKeys.OriginalItemSpec);

                    if (!string.IsNullOrEmpty(originalItemSpec))
                    {
                        ReferenceInfo referenceInfo = referenceProjectInfo._dependencyReferences.SingleOrDefault(r => r.FullPath.Equals(originalItemSpec));

                        if (referenceInfo is null)
                        {
                            // We only want to add the reference satellite path if it isn't already covered by a dependency

                            ResourceAssemblyInfo resourceAssemblyInfo =
                                ResourceAssemblyInfo.CreateFromReferenceSatellitePath(projectReferenceSatellitePath);
                            referenceProjectInfo._resourceAssemblies.Add(resourceAssemblyInfo);
                        }
                    }
                }
            }

            return projectReferences;
        }