ContentSource.cs

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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
 
namespace ReLogic.Content.Sources;
 
public abstract class ContentSource : IContentSource
{
    protected string[] assetPaths;
 
    protected Dictionary<string, string> assetExtensions = new Dictionary<string, string>();
 
    public IContentValidator ContentValidator { get; set; }
 
    public RejectedAssetCollection Rejections { get; } = new RejectedAssetCollection();
 
 
    protected void SetAssetNames(IEnumerable<string> paths)
    {
        assetPaths = paths.ToArray();
        assetExtensions.Clear();
        string[] array = assetPaths;
        foreach (string obj in array)
        {
            string ext = Path.GetExtension(obj);
            string text = obj;
            int length = ext.Length;
            string name = AssetPathHelper.CleanPath(text.Substring(0, text.Length - length));
            if (assetExtensions.TryGetValue(name, out var ext2))
            {
                throw new Exception($"Multiple extensions for asset {name}, ({ext}, {ext2})");
            }
            assetExtensions[name] = ext;
        }
    }
 
    public IEnumerable<string> EnumerateAssets()
    {
        return assetPaths;
    }
 
    public string GetExtension(string assetName)
    {
        if (!assetExtensions.TryGetValue(AssetPathHelper.CleanPath(assetName), out var ext))
        {
            return null;
        }
        return ext;
    }
 
    public abstract Stream OpenStream(string fullAssetName);
}