osu/osu.Game/Skinning/LegacyDatabasedSkinResource...

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Generic;
using osu.Framework.Extensions;
using osu.Framework.IO.Stores;
using osu.Game.Extensions;
namespace osu.Game.Skinning
{
public class LegacyDatabasedSkinResourceStore : ResourceStore<byte[]>
{
private readonly Dictionary<string, string> fileToStoragePathMapping = new Dictionary<string, string>();
public LegacyDatabasedSkinResourceStore(SkinInfo source, IResourceStore<byte[]> underlyingStore)
: base(underlyingStore)
{
initialiseFileCache(source);
}
private void initialiseFileCache(SkinInfo source)
{
fileToStoragePathMapping.Clear();
foreach (var f in source.Files)
fileToStoragePathMapping[f.Filename.ToLowerInvariant()] = f.File.GetStoragePath();
}
protected override IEnumerable<string> GetFilenames(string name)
{
foreach (string filename in base.GetFilenames(name))
{
string path = getPathForFile(filename.ToStandardisedPath());
if (path != null)
yield return path;
}
}
private string getPathForFile(string filename) =>
fileToStoragePathMapping.TryGetValue(filename.ToLower(), out string path) ? path : null;
public override IEnumerable<string> GetAvailableResources() => fileToStoragePathMapping.Keys;
}
}