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); } }