public static void RemoveEmptySolutionFolders(this SlnFile slnFile)
{
var solutionFolderProjects = slnFile.Projects
.GetProjectsByType(ProjectTypeGuids.SolutionFolderGuid)
.ToList();
if (solutionFolderProjects.Any())
{
var nestedProjectsSection = slnFile.Sections.GetSection(
"NestedProjects",
SlnSectionType.PreProcess);
if (nestedProjectsSection == null)
{
foreach (var solutionFolderProject in solutionFolderProjects)
{
if (solutionFolderProject.Sections.Count() == 0)
{
slnFile.Projects.Remove(solutionFolderProject);
}
}
}
else
{
var solutionFoldersInUse = slnFile.GetSolutionFoldersThatContainProjectsInItsHierarchy(
nestedProjectsSection.Properties);
solutionFoldersInUse.UnionWith(slnFile.GetSolutionFoldersThatContainSolutionItemsInItsHierarchy(
nestedProjectsSection.Properties));
foreach (var solutionFolderProject in solutionFolderProjects)
{
if (!solutionFoldersInUse.Contains(solutionFolderProject.Id))
{
nestedProjectsSection.Properties.Remove(solutionFolderProject.Id);
if (solutionFolderProject.Sections.Count() == 0)
{
slnFile.Projects.Remove(solutionFolderProject);
}
}
}
if (nestedProjectsSection.IsEmpty)
{
slnFile.Sections.Remove(nestedProjectsSection);
}
}
}
}