private void LoadSupport()
{
_frameworks = new Dictionary <NuGetFramework, ValidationFramework>();
// determine which TxM:RIDs should be considered for support based on Frameworks item
foreach (var framework in Frameworks)
{
NuGetFramework fx;
try
{
fx = FrameworkUtilities.ParseNormalized(framework.ItemSpec);
}
catch (Exception ex)
{
Log.LogError($"Could not parse Framework {framework.ItemSpec}. {ex}");
continue;
}
if (fx.Equals(NuGetFramework.UnsupportedFramework))
{
Log.LogError($"Did not recognize {framework.ItemSpec} as valid Framework.");
continue;
}
string runtimeIdList = framework.GetMetadata("RuntimeIDs");
if (_frameworks.ContainsKey(fx))
{
Log.LogError($"Framework {fx} has been listed in Frameworks more than once.");
continue;
}
_frameworks[fx] = new ValidationFramework(fx);
if (!String.IsNullOrWhiteSpace(runtimeIdList))
{
_frameworks[fx].RuntimeIds = runtimeIdList.Split(';');
}
}
// keep a list of explicitly listed supported frameworks so that we can check for conflicts.
HashSet <NuGetFramework> explicitlySupportedFrameworks = new HashSet <NuGetFramework>(NuGetFramework.Comparer);
// determine what version should be supported based on SupportedFramework items
foreach (var supportedFramework in SupportedFrameworks)
{
NuGetFramework fx;
string fxString = supportedFramework.ItemSpec;
bool isExclusiveVersion = fxString.Length > 1 && fxString[0] == '[' && fxString[fxString.Length - 1] == ']';
if (isExclusiveVersion)
{
fxString = fxString.Substring(1, fxString.Length - 2);
}
try
{
fx = FrameworkUtilities.ParseNormalized(fxString);
}
catch (Exception ex)
{
Log.LogError($"Could not parse TargetFramework {fxString} as a SupportedFramework. {ex}");
continue;
}
if (fx.Equals(NuGetFramework.UnsupportedFramework))
{
Log.LogError($"Did not recognize TargetFramework {fxString} as a SupportedFramework.");
continue;
}
Version supportedVersion;
string version = supportedFramework.GetMetadata("Version");
try
{
supportedVersion = Version.Parse(version);
}
catch (Exception ex)
{
Log.LogError($"Could not parse Version {version} on SupportedFramework item {supportedFramework.ItemSpec}. {ex}");
continue;
}
ValidationFramework validationFramework = null;
if (!_frameworks.TryGetValue(fx, out validationFramework))
{
Log.LogError($"SupportedFramework {fx} was specified but is not part of the Framework list to use for validation.");
continue;
}
if (explicitlySupportedFrameworks.Contains(fx))
{
if (supportedVersion <= validationFramework.SupportedVersion)
{
// if we've already picked up a higher/equal version, prefer it
continue;
}
}
else
{
explicitlySupportedFrameworks.Add(fx);
}
validationFramework.SupportedVersion = supportedVersion;
if (!isExclusiveVersion)
{
// find all frameworks of higher version, sorted by version ascending
IEnumerable <ValidationFramework> higherFrameworks = _frameworks.Values.Where(vf => vf.Framework.Framework == fx.Framework && vf.Framework.Version > fx.Version).OrderBy(vf => vf.Framework.Version);
// netcore50 is the last `netcore` framework, after that we use `uap`
if (fx.Framework == FrameworkConstants.FrameworkIdentifiers.NetCore)
{
var uapFrameworks = _frameworks.Values.Where(vf => vf.Framework.Framework == FrameworkConstants.FrameworkIdentifiers.UAP).OrderBy(vf => vf.Framework.Version);
higherFrameworks = higherFrameworks.Concat(uapFrameworks);
}
foreach (var higherFramework in higherFrameworks)
{
if (higherFramework.SupportedVersion != null && higherFramework.SupportedVersion > supportedVersion)
{
// found an higher framework version a higher API version, stop applying this supported version
break;
}
higherFramework.SupportedVersion = supportedVersion;
}
}
}
// determine which Frameworks should support inbox
_index = PackageIndex.Load(PackageIndexes.Select(pi => pi.GetMetadata("FullPath")));
foreach (var inboxPair in _index.GetInboxVersions(ContractName).NullAsEmpty())
{
var fx = inboxPair.Key;
var inboxVersion = inboxPair.Value;
if (inboxVersion != null)
{
ValidationFramework validationFramework = null;
if (_frameworks.TryGetValue(fx, out validationFramework))
{
Version supportedVersion = validationFramework.SupportedVersion;
if (supportedVersion != null &&
(supportedVersion.Major > inboxVersion.Major ||
(supportedVersion.Major == inboxVersion.Major && supportedVersion.Minor > inboxVersion.Minor)))
{
// Higher major.minor
Log.LogMessage(LogImportance.Low, $"Framework {fx} supported {ContractName} as inbox but the current supported version {supportedVersion} is higher in major.minor than inbox version {inboxVersion}. Assuming out of box.");
continue;
}
else if (supportedVersion != null && supportedVersion < inboxVersion && inboxVersion != VersionUtility.MaxVersion)
{
// Lower version
Log.LogError($"Framework {fx} supports {ContractName} as inbox but the current supported version {supportedVersion} is lower than the inbox version {inboxVersion}");
}
// equal major.minor, build.revision difference is permitted, prefer the version listed by ContractSupport item
}
if (validationFramework == null)
{
// we may not be explicitly validating for this framework so add it to validate inbox assets.
_frameworks[fx] = validationFramework = new ValidationFramework(fx)
{
SupportedVersion = inboxVersion
};
}
validationFramework.IsInbox = true;
}
}
// for every framework we know about, also infer it's netstandard version to ensure it can
// be targeted by PCL. Even if a package only supports a single framework we still
// want to include a portable reference assembly. This allows 3rd parties to add
// their own implementation via a lineup/runtime.json.
// only consider frameworks that support the contract at a specific version
var inferFrameworks = _frameworks.Values.Where(fx => fx.SupportedVersion != null && fx.SupportedVersion != VersionUtility.MaxVersion).ToArray();
var genVersionSuppression = GetSuppressionValues(Suppression.PermitPortableVersionMismatch) ?? new HashSet <string>();
var inferNETStandardSuppression = GetSuppressionValues(Suppression.SuppressNETStandardInference) ?? new HashSet <string>();
Dictionary <NuGetFramework, ValidationFramework> generationsToValidate = new Dictionary <NuGetFramework, ValidationFramework>();
foreach (var inferFramework in inferFrameworks)
{
var inferFrameworkMoniker = inferFramework.Framework.ToString();
if (inferNETStandardSuppression.Contains(inferFrameworkMoniker))
{
continue;
}
NuGetFramework generation = new NuGetFramework(_generationIdentifier, Generations.DetermineGenerationForFramework(inferFramework.Framework, UseNetPlatform));
Log.LogMessage(LogImportance.Low, $"Validating {generation} for {ContractName}, {inferFramework.SupportedVersion} since it is supported by {inferFrameworkMoniker}");
ValidationFramework existingGeneration = null;
if (generationsToValidate.TryGetValue(generation, out existingGeneration))
{
// the netstandard version should be the minimum version supported by all platforms that support that netstandard version.
if (inferFramework.SupportedVersion < existingGeneration.SupportedVersion)
{
Log.LogMessage($"Framework {inferFramework.Framework} supports {ContractName} at {inferFramework.SupportedVersion} which is lower than {existingGeneration.SupportedVersion} supported by generation {generation.GetShortFolderName()}. Lowering the version supported by {generation.GetShortFolderName()}.");
existingGeneration.SupportedVersion = inferFramework.SupportedVersion;
}
}
else
{
generationsToValidate.Add(generation, new ValidationFramework(generation)
{
SupportedVersion = inferFramework.SupportedVersion
});
}
}
foreach (var generation in generationsToValidate)
{
_frameworks.Add(generation.Key, generation.Value);
}
}