private static FrameworkInformation GetFrameworkInformation(DirectoryInfo directory, NuGetFramework targetFramework, string referenceAssembliesPath)
{
var frameworkInfo = new FrameworkInformation();
frameworkInfo.Exists = true;
frameworkInfo.Path = directory.FullName;
frameworkInfo.SearchPaths = new[] {
frameworkInfo.Path,
Path.Combine(frameworkInfo.Path, "Facades")
};
PopulateFromRedistList(directory, targetFramework, referenceAssembliesPath, frameworkInfo);
if (string.IsNullOrEmpty(frameworkInfo.Name))
{
frameworkInfo.Name = SynthesizeFrameworkFriendlyName(targetFramework);
}
return(frameworkInfo);
}
private static void PopulateFromRedistList(DirectoryInfo directory, NuGetFramework targetFramework, string referenceAssembliesPath, FrameworkInformation frameworkInfo)
{
// The redist list contains the list of assemblies for this target framework
string redistList = Path.Combine(directory.FullName, "RedistList", "FrameworkList.xml");
if (File.Exists(redistList))
{
frameworkInfo.RedistListPath = redistList;
using (var stream = File.OpenRead(redistList))
{
var frameworkList = XDocument.Load(stream);
// Remember the original search paths, because we might need them later
var originalSearchPaths = frameworkInfo.SearchPaths;
// There are some frameworks, that "inherit" from a base framework, like
// e.g. .NET 4.0.3, and MonoAndroid.
var includeFrameworkVersion = frameworkList.Root.Attribute("IncludeFramework")?.Value;
if (includeFrameworkVersion != null)
{
// Get the NuGetFramework identifier for the framework to include
var includeFramework = NuGetFramework.Parse($"{targetFramework.Framework}, Version={includeFrameworkVersion}");
// Recursively call the code to get the framework information
var includeFrameworkInfo = GetFrameworkInformation(includeFramework, referenceAssembliesPath);
// Append the search paths of the included framework
frameworkInfo.SearchPaths = frameworkInfo.SearchPaths.Concat(includeFrameworkInfo.SearchPaths).ToArray();
// Add the assemblies of the included framework
foreach (var assemblyEntry in includeFrameworkInfo.Assemblies)
{
frameworkInfo.Assemblies[assemblyEntry.Key] = assemblyEntry.Value;
}
}
// On mono, the RedistList.xml has an entry pointing to the TargetFrameworkDirectory
// It basically uses the GAC as the reference assemblies for all .NET framework
// profiles
var targetFrameworkDirectory = frameworkList.Root.Attribute("TargetFrameworkDirectory")?.Value;
IEnumerable <string> populateFromPaths;
if (!string.IsNullOrEmpty(targetFrameworkDirectory))
{
// For some odd reason, the paths are actually listed as \ so normalize them here
targetFrameworkDirectory = targetFrameworkDirectory.Replace('\\', Path.DirectorySeparatorChar);
// The specified path is the relative path from the RedistList.xml itself
var resovledPath = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(redistList), targetFrameworkDirectory));
// Update the path to the framework
frameworkInfo.Path = resovledPath;
populateFromPaths = new List <string>
{
resovledPath,
Path.Combine(resovledPath, "Facades")
};
}
else
{
var emptyFileElements = true;
foreach (var e in frameworkList.Root.Elements())
{
// Remember that we had at least one framework assembly
emptyFileElements = false;
var assemblyName = e.Attribute("AssemblyName").Value;
var version = e.Attribute("Version")?.Value;
var entry = new AssemblyEntry();
entry.Version = version != null?Version.Parse(version) : null;
frameworkInfo.Assemblies[assemblyName] = entry;
}
if (emptyFileElements)
{
// When we haven't found any file elements, we probably processed a
// Mono/Xamarin FrameworkList.xml. That means, that we have to
// populate the assembly list from the files.
populateFromPaths = originalSearchPaths;
}
else
{
populateFromPaths = null;
}
}
// Do we need to populate from search paths?
if (populateFromPaths != null)
{
foreach (var populateFromPath in populateFromPaths)
{
PopulateAssemblies(frameworkInfo.Assemblies, populateFromPath);
}
}
var nameAttribute = frameworkList.Root.Attribute("Name");
frameworkInfo.Name = nameAttribute == null ? null : nameAttribute.Value;
}
}
}
private static FrameworkInformation GetLegacyFrameworkInformation(NuGetFramework targetFramework, string referenceAssembliesPath)
{
var frameworkInfo = new FrameworkInformation();
// Always grab .NET 2.0 data
var searchPaths = new List <string>();
var net20Dir = Path.Combine(Environment.GetEnvironmentVariable("WINDIR"), "Microsoft.NET", "Framework", "v2.0.50727");
if (!Directory.Exists(net20Dir))
{
return(null);
}
// Grab reference assemblies first, if present for this framework
if (targetFramework.Version.Major == 3)
{
// Most specific first (i.e. 3.5)
if (targetFramework.Version.Minor == 5)
{
var refAsms35Dir = Path.Combine(referenceAssembliesPath, "v3.5");
if (!string.IsNullOrEmpty(targetFramework.Profile))
{
// The 3.5 Client Profile assemblies ARE in .NETFramework... it's weird.
refAsms35Dir = Path.Combine(referenceAssembliesPath, ".NETFramework", "v3.5", "Profile", targetFramework.Profile);
}
if (Directory.Exists(refAsms35Dir))
{
searchPaths.Add(refAsms35Dir);
}
}
// Always search the 3.0 reference assemblies
if (string.IsNullOrEmpty(targetFramework.Profile))
{
// a) 3.0 didn't have profiles
// b) When using a profile, we don't want to fall back to 3.0 or 2.0
var refAsms30Dir = Path.Combine(referenceAssembliesPath, "v3.0");
if (Directory.Exists(refAsms30Dir))
{
searchPaths.Add(refAsms30Dir);
}
}
}
// .NET 2.0 reference assemblies go last (but only if there's no profile in the TFM)
if (string.IsNullOrEmpty(targetFramework.Profile))
{
searchPaths.Add(net20Dir);
}
frameworkInfo.Exists = true;
frameworkInfo.Path = searchPaths.First();
frameworkInfo.SearchPaths = searchPaths;
// Load the redist list in reverse order (most general -> most specific)
for (int i = searchPaths.Count - 1; i >= 0; i--)
{
var dir = new DirectoryInfo(searchPaths[i]);
if (dir.Exists)
{
PopulateFromRedistList(dir, targetFramework, referenceAssembliesPath, frameworkInfo);
}
}
if (string.IsNullOrEmpty(frameworkInfo.Name))
{
frameworkInfo.Name = SynthesizeFrameworkFriendlyName(targetFramework);
}
return(frameworkInfo);
}