60 lines
2.2 KiB
C#
60 lines
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading.Tasks;
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using Microsoft.DotNet.ProjectModel.Compilation;
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using Microsoft.DotNet.ProjectModel.Graph;
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using NuGet.RuntimeModel;
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using System.IO;
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using Microsoft.Extensions.DependencyModel;
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namespace Microsoft.DotNet.ProjectModel
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{
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public class RuntimeGraphManager
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{
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private const string RuntimeJsonFileName = "runtime.json";
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public NuGet.RuntimeModel.RuntimeGraph Collect(IEnumerable<LibraryExport> exports)
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{
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var graph = RuntimeGraph.Empty;
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foreach (var export in exports)
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{
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if (export.Library.Identity.Type == LibraryType.Package)
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{
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var runtimeJson = ((PackageDescription) export.Library).PackageLibrary.Files.FirstOrDefault(f => f == RuntimeJsonFileName);
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if (runtimeJson != null)
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{
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var runtimeJsonFullName = Path.Combine(export.Library.Path, runtimeJson);
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graph = RuntimeGraph.Merge(graph, JsonRuntimeFormat.ReadRuntimeGraph(runtimeJsonFullName));
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}
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}
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}
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return graph;
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}
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public IEnumerable<RuntimeFallbacks> Expand(RuntimeGraph runtimeGraph, IEnumerable<string> runtimes)
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{
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foreach (var runtime in runtimes)
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{
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var importers = FindImporters(runtimeGraph, runtime);
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foreach (var importer in importers)
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{
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// ExpandRuntime return runtime itself as first item so we are skiping it
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yield return new RuntimeFallbacks(importer, runtimeGraph.ExpandRuntime(importer).Skip(1));
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}
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}
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}
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private IEnumerable<string> FindImporters(RuntimeGraph runtimeGraph, string runtime)
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{
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foreach (var runtimePair in runtimeGraph.Runtimes)
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{
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var expanded = runtimeGraph.ExpandRuntime(runtimePair.Key);
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if (expanded.Contains(runtime))
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{
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yield return runtimePair.Key;
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}
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}
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}
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}
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}
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