public static string LoadGuid(string fileName)
{
// check if a project with specified file is already cached
if (_cachedProjects.ContainsKey(fileName))
{
// return the guid of the cached project
return(((ProjectBase)_cachedProjects[fileName]).Guid);
}
string projectFileName = ProjectFactory.GetProjectFileName(fileName);
string projectExt = Path.GetExtension(projectFileName).ToLower(
CultureInfo.InvariantCulture);
// check if GUID of project is already cached
if (!_cachedProjectGuids.Contains(fileName))
{
if (projectExt == ".vbproj" || projectExt == ".csproj" || projectExt == ".vjsproj")
{
// add project GUID to cache
_cachedProjectGuids[fileName] = ManagedProjectBase.LoadGuid(fileName);
}
else if (projectExt == ".vcproj")
{
// add project GUID to cache
_cachedProjectGuids[fileName] = VcProject.LoadGuid(fileName);
}
else
{
throw new BuildException(string.Format(CultureInfo.InvariantCulture,
"Unknown project file extension '{0}'.", projectExt,
Location.UnknownLocation));
}
}
// return project GUID from cache
return((string)_cachedProjectGuids[fileName]);
}
