| | | 1 | | using System.Text; |
| | | 2 | | |
| | | 3 | | namespace Nabs.Resources; |
| | | 4 | | |
| | | 5 | | public class EmbeddedResourceLoader |
| | | 6 | | { |
| | 3 | 7 | | private readonly System.Collections.Generic.HashSet<ResourceInfo> _resourceInfos = []; |
| | | 8 | | |
| | | 9 | | public EmbeddedResourceLoader(params Type[] relativeAssemblyTypes) |
| | | 10 | | { |
| | 3 | 11 | | var assemblies = GetAssemblies(relativeAssemblyTypes); |
| | | 12 | | |
| | 9 | 13 | | foreach (var assembly in assemblies) |
| | | 14 | | { |
| | 3 | 15 | | var manifestResourceNames = assembly.GetManifestResourceNames(); |
| | 9 | 16 | | foreach (var manifestResourceName in manifestResourceNames) |
| | | 17 | | { |
| | 3 | 18 | | _ = _resourceInfos.Add(new(manifestResourceName, assembly)); |
| | | 19 | | } |
| | | 20 | | } |
| | 3 | 21 | | } |
| | | 22 | | |
| | | 23 | | public List<string> Warnings { get; } = []; |
| | | 24 | | |
| | | 25 | | public IEnumerable<ResourceInfo> GetResourceInfoItems(Func<ResourceInfo, bool> predicate) |
| | | 26 | | { |
| | 3 | 27 | | var items = _resourceInfos |
| | 3 | 28 | | .Where(predicate); |
| | | 29 | | |
| | 3 | 30 | | return items; |
| | | 31 | | } |
| | | 32 | | |
| | | 33 | | public Result<Stream> GetResourceStreamContent(Func<ResourceInfo, bool> predicate) |
| | | 34 | | { |
| | 3 | 35 | | var resourceInfoItems = GetResourceInfoItems(predicate); |
| | 3 | 36 | | var itemCount = resourceInfoItems.Count(); |
| | 3 | 37 | | if (itemCount == 0) |
| | | 38 | | { |
| | 2 | 39 | | return new Result<Stream>(new Exception("No resource info items found.")); |
| | | 40 | | } |
| | 3 | 41 | | else if (itemCount > 1) |
| | | 42 | | { |
| | 1 | 43 | | return new Result<Stream>(new Exception("More than one resource info item found.")); |
| | | 44 | | } |
| | | 45 | | |
| | 3 | 46 | | var resourceInfoItem = resourceInfoItems.First(); |
| | 3 | 47 | | var resourceStream = resourceInfoItem.Assembly |
| | 3 | 48 | | .GetManifestResourceStream(resourceInfoItem.Path)!; |
| | | 49 | | |
| | 3 | 50 | | return resourceStream; |
| | | 51 | | } |
| | | 52 | | |
| | | 53 | | public Result<byte[]> GetResourceBytesContent(Func<ResourceInfo, bool> predicate) |
| | | 54 | | { |
| | 1 | 55 | | var resourceStreamResult = GetResourceStreamContent(predicate); |
| | | 56 | | |
| | 1 | 57 | | var result = resourceStreamResult.Match(resourceStream => |
| | 1 | 58 | | { |
| | 1 | 59 | | var resourceBytes = new byte[resourceStream.Length]; |
| | 1 | 60 | | resourceStream.ReadExactly(resourceBytes); |
| | 1 | 61 | | return resourceBytes; |
| | 1 | 62 | | |
| | 1 | 63 | | }, exception => |
| | 1 | 64 | | { |
| | 1 | 65 | | return new Result<byte[]>(new Exception("")); |
| | 1 | 66 | | }); |
| | | 67 | | |
| | 1 | 68 | | return result; |
| | | 69 | | } |
| | | 70 | | |
| | | 71 | | public Result<string> GetResourceTextContent(Func<ResourceInfo, bool> predicate) |
| | | 72 | | { |
| | 1 | 73 | | var resourceStreamResult = GetResourceStreamContent(predicate); |
| | | 74 | | |
| | 1 | 75 | | var result = resourceStreamResult.Match(resourceStream => |
| | 1 | 76 | | { |
| | 1 | 77 | | using var reader = new StreamReader(resourceStream, Encoding.UTF8); |
| | 1 | 78 | | var text = reader.ReadToEnd(); |
| | 1 | 79 | | return text; |
| | 1 | 80 | | |
| | 1 | 81 | | }, exception => |
| | 1 | 82 | | { |
| | 1 | 83 | | return new Result<string>(new Exception("")); |
| | 1 | 84 | | }); |
| | | 85 | | |
| | 1 | 86 | | return result; |
| | | 87 | | } |
| | | 88 | | |
| | | 89 | | private static System.Collections.Generic.HashSet<Assembly> GetAssemblies(params Type[] relativeAssemblyTypes) |
| | | 90 | | { |
| | 3 | 91 | | var assemblies = new System.Collections.Generic.HashSet<Assembly>(); |
| | | 92 | | |
| | 9 | 93 | | foreach (var relativeAssemblyType in relativeAssemblyTypes) |
| | | 94 | | { |
| | 3 | 95 | | var assembly = Assembly.GetAssembly(relativeAssemblyType)!; |
| | 3 | 96 | | _ = assemblies.Add(assembly); |
| | | 97 | | } |
| | | 98 | | |
| | 3 | 99 | | return assemblies; |
| | | 100 | | } |
| | | 101 | | } |
| | | 102 | | |
| | | 103 | | public record struct ResourceInfo(string Path, Assembly Assembly); |