C# NuGetFramework.Equals方法代碼示例

        /// <summary>
        /// Return the matching framework/runtime ProjectContext.
        /// If 'nugetframework' or 'runtime' is null or empty then it matches with any.
        /// </summary>
        private static IEnumerable<ProjectContext> GetMatchingProjectContexts(IEnumerable<ProjectContext> contexts, NuGetFramework framework, string runtimeIdentifier)
        {
            foreach (var context in contexts)
            {
                if (context.TargetFramework == null || string.IsNullOrEmpty(context.RuntimeIdentifier))
                {
                    continue;
                }

                if (string.IsNullOrEmpty(runtimeIdentifier) || runtimeIdentifier.Equals(context.RuntimeIdentifier))
                {
                    if (framework == null || framework.Equals(context.TargetFramework))
                    {
                        yield return context;
                    }
                }
            }
        }

        private IEnumerable<string> GetRuntimeAssetFoldersForPromotion(ContentItemGroup runtimeAssets, NuGetFramework targetFramework, string targetFrameworkName)
        {
            if (runtimeAssets == null || runtimeAssets.Items.Count == 0)
            {
                return Enumerable.Empty<string>();
            }

            if (runtimeAssets.Items.All(ci => NuGetAssetResolver.IsPlaceholder(ci.Path)))
            {
                return Enumerable.Empty<string>();
            }

            if (targetFrameworkName == null)
            {
                targetFrameworkName = targetFramework.GetShortFolderName();
            }

            var resolvedFramework = runtimeAssets.Properties["tfm"] as NuGetFramework;
            if (targetFramework.Equals(resolvedFramework))
            {
                Log.LogMessage(LogImportance.Low, $"Not promoting explicit implementation for {targetFrameworkName}");
                return Enumerable.Empty<string>();
            }

            return NuGetAssetResolver.GetPackageTargetDirectories(runtimeAssets);
        }

        private IEnumerable<string> GetObscuredAssetFolders(ContentItemGroup assets, ContentItemGroup obscuredAssets, NuGetFramework targetFramework, string targetFrameworkName, string expectedAssetFolder, string ignoredAssetFolder = null)
        {
            if (assets == null || assets.Items.Count == 0)
            {
                return Enumerable.Empty<string>();
            }

            if (assets.Items.Any(ci => !NuGetAssetResolver.IsPlaceholder(ci.Path)))
            {
                return Enumerable.Empty<string>();
            }

            if (targetFrameworkName == null)
            {
                targetFrameworkName = targetFramework.GetShortFolderName();
            }

            var resolvedFramework = assets.Properties["tfm"] as NuGetFramework;
            if (targetFramework.Equals(resolvedFramework))
            {
                Log.LogMessage(LogImportance.Low, $"Not overriding explicit placeholder for {targetFrameworkName}");
                return Enumerable.Empty<string>();
            }

            var obscuredAssetPaths = NuGetAssetResolver.GetPackageTargetDirectories(obscuredAssets);

            if (ignoredAssetFolder != null)
            {
                string ignoredFolder = ignoredAssetFolder + '/';
                obscuredAssetPaths = obscuredAssetPaths.Where(i => -1 == i.IndexOf(ignoredFolder, StringComparison.OrdinalIgnoreCase));
            }

            if (expectedAssetFolder != null)
            {
                var unexpectedAssetPaths = obscuredAssetPaths.Where(ri => !ri.StartsWith(expectedAssetFolder, StringComparison.OrdinalIgnoreCase));
                foreach (var unexpectedAssetPath in unexpectedAssetPaths)
                {
                    Log.LogWarning($"Unexpected targetPath {unexpectedAssetPath}.  Expected only {expectedAssetFolder}.");
                }

                // filter after we've warned
                obscuredAssetPaths = obscuredAssetPaths.Except(unexpectedAssetPaths);
            }

            if (!obscuredAssetPaths.Any())
            {
                // it's acceptable to have no override, this is the case for packages which 
                // carry implementation in a runtime-specific package
                Log.LogMessage(LogImportance.Low, $"No {expectedAssetFolder} assets could be found to override inbox placeholder for {targetFrameworkName}.");
            }

            return obscuredAssetPaths;
        }

        private static string GetEffectivePathForContentFile(NuGetFramework nuGetFramework, string zipArchiveEntryFullName)
        {
            // Always use Path.DirectorySeparatorChar
            var effectivePathForContentFile = PathUtility.ReplaceAltDirSeparatorWithDirSeparator(zipArchiveEntryFullName);

            if (effectivePathForContentFile.StartsWith(Constants.ContentDirectory + Path.DirectorySeparatorChar, StringComparison.OrdinalIgnoreCase))
            {
                effectivePathForContentFile = effectivePathForContentFile.Substring((Constants.ContentDirectory + Path.DirectorySeparatorChar).Length);
                if(!nuGetFramework.Equals(NuGetFramework.AnyFramework))
                {
                    // Parsing out the framework name out of the effective path
                    int frameworkFolderEndIndex = effectivePathForContentFile.IndexOf(Path.DirectorySeparatorChar);
                    if (frameworkFolderEndIndex != -1)
                    {
                        if (effectivePathForContentFile.Length > frameworkFolderEndIndex + 1)
                        {
                            effectivePathForContentFile = effectivePathForContentFile.Substring(frameworkFolderEndIndex + 1);
                        }
                    }

                    return effectivePathForContentFile;
                }
            }

            // Return the effective path with Path.DirectorySeparatorChar
            return effectivePathForContentFile;
        }