public override bool Execute()
{
FrameworkMoniker moniker = null;
if (!TryParseTargetFrameworkMoniker(TargetFrameworkMoniker, out moniker))
{
return(false);
}
var framework = GetFrameworkDirectoriesForMoniker(moniker);
if (framework == null)
{
Log.LogWarning("Unable to find framework corresponding to the target framework moniker '{0}'. " +
"Framework assembly references will be resolved from the GAC, which might not be " +
"the intended behavior.", TargetFrameworkMoniker);
if (moniker.Identifier.Equals(".NETPortable"))
{
return(CheckPclReferenceAssemblies(moniker));
}
return(true);
}
ReferenceAssemblyPaths = FullFrameworkReferenceAssemblyPaths = framework.Directories;
TargetFrameworkMonikerDisplayName = framework.DisplayName;
return(true);
}
bool CheckPclReferenceAssemblies (FrameworkMoniker moniker)
{
// Check for a supported profile
var check = new FrameworkMoniker (".NETPortable", "v4.0", "Profile24");
if (GetFrameworkDirectoriesForMoniker (check) != null)
Log.LogError ("Unsupported PCL Profile '{0}'.", moniker);
else
Log.LogError ("PCL Reference Assemblies not installed.");
return false;
}
bool TryParseTargetFrameworkMoniker(string moniker_literal, out FrameworkMoniker moniker)
{
moniker = null;
if (String.IsNullOrEmpty(moniker_literal))
{
throw new ArgumentException("Empty moniker string");
}
string [] parts = moniker_literal.Split(new char [] { ',' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 2 || parts.Length > 3)
{
LogInvalidMonikerError(null, moniker_literal);
return(false);
}
string identifier = parts [0];
string version = null;
string profile = null;
if (!parts [1].StartsWith("Version="))
{
LogInvalidMonikerError("Invalid framework name", moniker_literal);
return(false);
}
version = parts [1].Substring(8);
if (String.IsNullOrEmpty(version))
{
LogInvalidMonikerError("Invalid framework version", moniker_literal);
return(false);
}
if (parts.Length > 2)
{
if (!parts [2].StartsWith("Profile="))
{
LogInvalidMonikerError("Invalid framework version", moniker_literal);
return(false);
}
profile = parts [2].Substring(8);
if (String.IsNullOrEmpty(profile))
{
LogInvalidMonikerError("Invalid framework profile", moniker_literal);
return(false);
}
}
moniker = new FrameworkMoniker(identifier, version, profile);
return(true);
}
bool CheckPclReferenceAssemblies(FrameworkMoniker moniker)
{
// Check for a supported profile
var check = new FrameworkMoniker(".NETPortable", "v4.0", "Profile24");
if (GetFrameworkDirectoriesForMoniker(check) != null)
{
Log.LogError("Unsupported PCL Profile '{0}'.", moniker);
}
else
{
Log.LogError("PCL Reference Assemblies not installed.");
}
return(false);
}
Framework GetFrameworkDirectoriesForMoniker (FrameworkMoniker moniker)
{
string dirs = String.Join (PathSeparatorAsString, new string [] {
Environment.GetEnvironmentVariable ("XBUILD_FRAMEWORK_FOLDERS_PATH") ?? String.Empty,
MSBuildUtils.RunningOnMac ? MacOSXExternalXBuildDir : String.Empty,
RootPath,
DefaultFrameworksBasePath });
string [] paths = dirs.Split (new char [] {Path.PathSeparator}, StringSplitOptions.RemoveEmptyEntries);
foreach (string path in paths) {
var framework = GetFrameworkDirectoriesForMoniker (moniker, path);
if (framework != null)
return framework;
}
return null;
}
Framework GetFrameworkDirectoriesForMoniker(FrameworkMoniker moniker)
{
string dirs = String.Join(PathSeparatorAsString, new string [] {
Environment.GetEnvironmentVariable("XBUILD_FRAMEWORK_FOLDERS_PATH") ?? String.Empty,
MSBuildUtils.RunningOnMac ? MacOSXExternalXBuildDir : String.Empty,
RootPath,
DefaultFrameworksBasePath
});
string [] paths = dirs.Split(new char [] { Path.PathSeparator }, StringSplitOptions.RemoveEmptyEntries);
foreach (string path in paths)
{
var framework = GetFrameworkDirectoriesForMoniker(moniker, path);
if (framework != null)
{
return(framework);
}
}
return(null);
}
bool TryParseTargetFrameworkMoniker (string moniker_literal, out FrameworkMoniker moniker)
{
moniker = null;
if (String.IsNullOrEmpty (moniker_literal))
throw new ArgumentException ("Empty moniker string");
string [] parts = moniker_literal.Split (new char [] {','}, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length < 2 || parts.Length > 3) {
LogInvalidMonikerError (null, moniker_literal);
return false;
}
string identifier = parts [0];
string version = null;
string profile = null;
if (!parts [1].StartsWith ("Version=")) {
LogInvalidMonikerError ("Invalid framework name", moniker_literal);
return false;
}
version = parts [1].Substring (8);
if (String.IsNullOrEmpty (version)) {
LogInvalidMonikerError ("Invalid framework version", moniker_literal);
return false;
}
if (parts.Length > 2) {
if (!parts [2].StartsWith ("Profile=")) {
LogInvalidMonikerError ("Invalid framework version", moniker_literal);
return false;
}
profile = parts [2].Substring (8);
if (String.IsNullOrEmpty (profile)) {
LogInvalidMonikerError ("Invalid framework profile", moniker_literal);
return false;
}
}
moniker = new FrameworkMoniker (identifier, version, profile);
return true;
}
//@base_path must be absolute
Framework GetFrameworkDirectoriesForMoniker (FrameworkMoniker moniker, string base_path)
{
if (String.IsNullOrEmpty (base_path)) {
Log.LogMessage (MessageImportance.Low, "Invalid *empty* base path, ignoring. " + Environment.StackTrace);
return null;
}
Log.LogMessage (MessageImportance.Low, "Looking for framework '{0}' in root path '{1}'",
moniker, base_path);
string framework_path = Path.Combine (base_path, Path.Combine (moniker.Identifier, moniker.Version));
if (!String.IsNullOrEmpty (moniker.Profile))
framework_path = Path.Combine (framework_path, "Profile", moniker.Profile);
string redistlist_dir = Path.Combine (framework_path, "RedistList");
string framework_list = Path.Combine (redistlist_dir, "FrameworkList.xml");
if (!File.Exists (framework_list)) {
Log.LogMessage (MessageImportance.Low,
"Unable to find framework definition file '{0}' for Target Framework Moniker '{1}'",
framework_list, moniker);
return null;
}
Log.LogMessage (MessageImportance.Low, "Found framework definition list '{0}' for framework '{1}'",
framework_list, moniker);
XmlReader xr = XmlReader.Create (framework_list);
try {
xr.MoveToContent ();
if (xr.LocalName != "FileList") {
Log.LogMessage (MessageImportance.Low, "Invalid frameworklist '{0}', expected a 'FileList' root element.",
framework_list);
return null;
}
var framework = new Framework ();
framework.DisplayName = xr.GetAttribute ("Name");
string framework_dir = xr.GetAttribute ("TargetFrameworkDirectory");
if (String.IsNullOrEmpty (framework_dir))
framework_dir = Path.Combine (redistlist_dir, "..");
else
framework_dir = Path.Combine (redistlist_dir, framework_dir);
var directories = new List<string> ();
directories.Add (MSBuildUtils.FromMSBuildPath (framework_dir));
string include = xr.GetAttribute ("IncludeFramework");
if (!String.IsNullOrEmpty (include)) {
var included_framework = GetFrameworkDirectoriesForMoniker (new FrameworkMoniker (moniker.Identifier, include, null));
if (included_framework != null && included_framework.Directories != null)
directories.AddRange (included_framework.Directories);
}
framework.Directories = directories.ToArray ();
return framework;
} catch (XmlException xe) {
Log.LogWarning ("Error reading framework definition file '{0}': {1}", framework_list, xe.Message);
Log.LogMessage (MessageImportance.Low, "Error reading framework definition file '{0}': {1}", framework_list,
xe.ToString ());
return null;
} finally {
if (xr != null)
((IDisposable)xr).Dispose ();
}
}
//@base_path must be absolute
Framework GetFrameworkDirectoriesForMoniker(FrameworkMoniker moniker, string base_path)
{
if (String.IsNullOrEmpty(base_path))
{
Log.LogMessage(MessageImportance.Low, "Invalid *empty* base path, ignoring. " + Environment.StackTrace);
return(null);
}
Log.LogMessage(MessageImportance.Low, "Looking for framework '{0}' in root path '{1}'",
moniker, base_path);
string framework_path = Path.Combine(base_path, Path.Combine(moniker.Identifier, moniker.Version));
if (!String.IsNullOrEmpty(moniker.Profile))
{
framework_path = Path.Combine(framework_path, "Profile", moniker.Profile);
}
string redistlist_dir = Path.Combine(framework_path, "RedistList");
string framework_list = Path.Combine(redistlist_dir, "FrameworkList.xml");
if (!File.Exists(framework_list))
{
Log.LogMessage(MessageImportance.Low,
"Unable to find framework definition file '{0}' for Target Framework Moniker '{1}'",
framework_list, moniker);
return(null);
}
Log.LogMessage(MessageImportance.Low, "Found framework definition list '{0}' for framework '{1}'",
framework_list, moniker);
XmlReader xr = XmlReader.Create(framework_list);
try {
xr.MoveToContent();
if (xr.LocalName != "FileList")
{
Log.LogMessage(MessageImportance.Low, "Invalid frameworklist '{0}', expected a 'FileList' root element.",
framework_list);
return(null);
}
var framework = new Framework();
framework.DisplayName = xr.GetAttribute("Name");
string framework_dir = xr.GetAttribute("TargetFrameworkDirectory");
if (String.IsNullOrEmpty(framework_dir))
{
framework_dir = Path.Combine(redistlist_dir, "..");
}
else
{
framework_dir = Path.Combine(redistlist_dir, framework_dir);
}
var directories = new List <string> ();
directories.Add(MSBuildUtils.FromMSBuildPath(framework_dir));
string include = xr.GetAttribute("IncludeFramework");
if (!String.IsNullOrEmpty(include))
{
var included_framework = GetFrameworkDirectoriesForMoniker(new FrameworkMoniker(moniker.Identifier, include, null));
if (included_framework != null && included_framework.Directories != null)
{
directories.AddRange(included_framework.Directories);
}
}
framework.Directories = directories.ToArray();
return(framework);
} catch (XmlException xe) {
Log.LogWarning("Error reading framework definition file '{0}': {1}", framework_list, xe.Message);
Log.LogMessage(MessageImportance.Low, "Error reading framework definition file '{0}': {1}", framework_list,
xe.ToString());
return(null);
} finally {
if (xr != null)
{
((IDisposable)xr).Dispose();
}
}
}