public async Task <IEnumerable <LibraryDependency> > GetDependencies(WalkProviderMatch match, FrameworkName targetFramework)
{
using (var stream = await _source.OpenNuspecStreamAsync(new PackageInfo
{
Id = match.Library.Name,
Version = match.Library.Version,
ContentUri = match.Path
}))
{
var metadata = (IPackageMetadata)Manifest.ReadFrom(stream, validateSchema: false).Metadata;
IEnumerable <PackageDependencySet> dependencySet;
if (VersionUtility.GetNearest(targetFramework, metadata.DependencySets, out dependencySet))
{
return(dependencySet
.SelectMany(ds => ds.Dependencies)
.Select(d => new LibraryDependency
{
LibraryRange = new LibraryRange(d.Id, frameworkReference: false)
{
VersionRange = d.VersionSpec == null ? null : new SemanticVersionRange(d.VersionSpec)
}
})
.ToList());
}
}
return(Enumerable.Empty <LibraryDependency>());
}
private static async Task <WalkProviderMatch> FindLibrary(
LibraryRange libraryRange,
IEnumerable <IWalkProvider> providers,
Func <IWalkProvider, Task <WalkProviderMatch> > action)
{
var tasks = new List <Task <WalkProviderMatch> >();
foreach (var provider in providers)
{
tasks.Add(action(provider));
}
WalkProviderMatch bestMatch = null;
var matches = await Task.WhenAll(tasks);
foreach (var match in matches)
{
if (VersionUtility.ShouldUseConsidering(
current: bestMatch?.Library?.Version,
considering: match?.Library?.Version,
ideal: libraryRange.VersionRange))
{
bestMatch = match;
}
}
return(bestMatch);
}
public async Task CopyToAsync(WalkProviderMatch match, Stream stream)
{
using (var nupkgStream = await _source.OpenNupkgStreamAsync(new PackageInfo
{
Id = match.Library.Name,
Version = match.Library.Version,
ContentUri = match.Path
}))
{
await nupkgStream.CopyToAsync(stream);
}
}
private static async Task <WalkProviderMatch> FindLibrary(
LibraryRange libraryRange,
IEnumerable <IWalkProvider> providers,
Func <IWalkProvider, Task <WalkProviderMatch> > action)
{
var tasks = new List <Task <WalkProviderMatch> >();
foreach (var provider in providers)
{
tasks.Add(action(provider));
}
WalkProviderMatch bestMatch = null;
var matches = new List <WalkProviderMatch>();
// Short circuit if we find an exact match
while (tasks.Any())
{
var task = await Task.WhenAny(tasks);
tasks.Remove(task);
var match = await task;
// If we found an exact match then use it
if (libraryRange.VersionRange.VersionFloatBehavior == SemanticVersionFloatBehavior.None &&
match != null &&
match.Library.Version.Equals(libraryRange.VersionRange.MinVersion))
{
return(match);
}
matches.Add(match);
}
foreach (var match in matches)
{
if (VersionUtility.ShouldUseConsidering(
current: bestMatch?.Library?.Version,
considering: match?.Library?.Version,
ideal: libraryRange.VersionRange))
{
bestMatch = match;
}
}
return(bestMatch);
}
public async Task <RuntimeFile> GetRuntimes(WalkProviderMatch match, FrameworkName targetFramework)
{
using (var stream = await _source.OpenRuntimeStreamAsync(new PackageInfo
{
Id = match.Library.Name,
Version = match.Library.Version,
ContentUri = match.Path
}))
{
if (stream != null)
{
var formatter = new RuntimeFileFormatter();
using (var reader = new StreamReader(stream))
{
return(formatter.ReadRuntimeFile(reader));
}
}
}
return(null);
}
public Task <RuntimeFile> GetRuntimes(WalkProviderMatch match, FrameworkName targetFramework)
{
foreach (var path in _dependencyProvider.GetAttemptedPaths(targetFramework))
{
var runtimeJsonPath = path
.Replace("{name}.nuspec", "runtime.json")
.Replace("project.json", "runtime.json")
.Replace("{name}", match.Library.Name)
.Replace("{version}", match.Library.Version.ToString());
// Console.WriteLine("*** {0}", runtimeJsonPath);
if (File.Exists(runtimeJsonPath))
{
Console.WriteLine("*** READING {0}", runtimeJsonPath);
var formatter = new RuntimeFileFormatter();
return(Task.FromResult(formatter.ReadRuntimeFile(runtimeJsonPath)));
}
}
return(Task.FromResult <RuntimeFile>(null));
}
public async Task <IEnumerable <LibraryDependency> > GetDependencies(WalkProviderMatch match, FrameworkName targetFramework)
{
using (var stream = await _source.OpenNuspecStreamAsync(new PackageInfo
{
Id = match.Library.Name,
Version = match.Library.Version,
ContentUri = match.Path
}))
{
var metadata = (IPackageMetadata)Manifest.ReadFrom(stream, validateSchema: false).Metadata;
IEnumerable <PackageDependencySet> dependencySet;
if (VersionUtility.TryGetCompatibleItems(targetFramework, metadata.DependencySets, out dependencySet))
{
return(dependencySet
.SelectMany(x => x.Dependencies)
.Select(x => new LibraryDependency(name: x.Id,
version: x.VersionSpec != null ? x.VersionSpec.MinVersion : null))
.ToList());
}
}
return(Enumerable.Empty <LibraryDependency>());
}
private async Task <WalkProviderMatch> FindLibraryByVersion(RestoreContext context, Library library, IEnumerable <IWalkProvider> providers)
{
List <Task <WalkProviderMatch> > tasks = new List <Task <WalkProviderMatch> >();
foreach (var provider in providers)
{
tasks.Add(provider.FindLibraryByVersion(library, context.FrameworkName));
}
var matches = await Task.WhenAll(tasks);
WalkProviderMatch bestMatch = null;
foreach (var match in matches)
{
if (VersionUtility.ShouldUseConsidering(
current: (bestMatch == null || bestMatch.Library == null) ? null : bestMatch.Library.Version,
considering: (match == null || match.Library == null) ? null : match.Library.Version,
ideal: library.Version))
{
bestMatch = match;
}
}
return(bestMatch);
}
public Task <IEnumerable <Library> > GetDependencies(WalkProviderMatch match, FrameworkName targetFramework)
{
var description = _dependencyProvider.GetDescription(match.Library.Name, match.Library.Version, targetFramework);
return(Task.FromResult(description.Dependencies));
}
public Task CopyToAsync(WalkProviderMatch match, Stream stream)
{
throw new NotImplementedException();
}
public Task CopyToAsync(WalkProviderMatch match, Stream stream)
{
// We never call this on local providers
throw new NotImplementedException();
}