internal static IEnumerable <ProjectInformation> LoadProjectInformation(IEnumerable <string> targetDirectories)
{
return
(targetDirectories
.AsParallel()
.SelectMany(targetDirectory => GetProjectsInDirectory(targetDirectory))
.Distinct()
.AsParallel()
.Select(currentProject => ProjectInformationFactory.Create(currentProject)));
}
internal static IEnumerable <string> ForDirectReferences(string targetProject, ProjectInformation[] projectsToScan)
{
ProjectInformation targetProjectInformation = ProjectInformationFactory.Create(targetProject);
return
(projectsToScan
.AsParallel()
.Where(projectToScan => projectToScan.DependentOnProjects.ContainsKey(targetProjectInformation.ProjectGuid))
.Select(projectInformation => projectInformation.Path)
.Distinct());
}
internal static IEnumerable <string> GraphDirectReferences(string targetProject, IEnumerable <string> targetDirectories)
{
yield return("digraph g {");
yield return($"\"{ProjectInformationFactory.Create(targetProject).AssemblyName}\"");
var directReferences = ForDirectReferences(targetProject, targetDirectories);
foreach (var directReference in directReferences)
{
yield return($"\"{ProjectInformationFactory.Create(directReference).AssemblyName}\"->\"{ProjectInformationFactory.Create(targetProject).AssemblyName}\"");
}
yield return("}");
}
internal static IEnumerable <string> GraphDownlineTree(string targetProject, IEnumerable <string> targetDirectories)
{
ProjectInformation[] projectsToScan = LoadProjectInformation(targetDirectories).ToArray();
yield return("digraph g {");
yield return($"\"{ProjectInformationFactory.Create(targetProject).AssemblyName}\"");
Stack <string> projectsToEvaluate = new Stack <string>();
HashSet <string> resolvedProjects = new HashSet <string>(StringComparer.InvariantCultureIgnoreCase);
// Seed this with our project
projectsToEvaluate.Push(targetProject);
while (projectsToEvaluate.Count != 0)
{
string currentProject = projectsToEvaluate.Pop();
if (resolvedProjects.Contains(currentProject))
{
// Save the stack and don't do anything
}
else
{
// Mark this project as resolved
resolvedProjects.Add(currentProject);
IEnumerable <string> directReferences = ForDirectReferences(currentProject, projectsToScan);
foreach (string directReference in directReferences)
{
yield return($"\"{ProjectInformationFactory.Create(directReference).AssemblyName}\"->\"{ProjectInformationFactory.Create(currentProject).AssemblyName}\"");
if (!resolvedProjects.Contains(directReference))
{
projectsToEvaluate.Push(directReference);
}
}
}
}
yield return("}");
}