Sergey Mikolaytis
3 years ago
committed by
GitHub
GitHub
187 changed files with 3302 additions and 1201 deletions
@ -0,0 +1,21 @@ |
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using Avalonia.Metadata; |
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using Avalonia.Styling; |
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|
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namespace Avalonia.Controls; |
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/// <summary>
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/// Resource provider with theme variant awareness.
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/// Can be used with <see cref="IResourceDictionary.ThemeDictionaries"/>.
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/// </summary>
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/// <remarks>
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/// This is a helper interface for the XAML compiler to make Key property accessibly by the markup extensions.
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/// Which means, it can only be used with ResourceDictionaries and markup extensions in the XAML code.
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/// </remarks>
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[Unstable("This XAML-only API might be removed in the future minor updates.")] |
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public interface IThemeVariantProvider : IResourceProvider |
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{ |
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/// <summary>
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/// Key property set by the compiler.
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/// </summary>
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ThemeVariant? Key { get; set; } |
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} |
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@ -0,0 +1,23 @@ |
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using System; |
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namespace Avalonia.Metadata; |
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/// <summary>
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/// Defines how compiler should split avalonia list string value before parsing individual items.
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/// </summary>
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[AttributeUsage(AttributeTargets.Class, AllowMultiple = false, Inherited = true)] |
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public sealed class AvaloniaListAttribute : Attribute |
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{ |
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/// <summary>
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/// Separator used to split input string.
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/// Default value is ','.
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/// </summary>
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public string[]? Separators { get; init; } |
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/// <summary>
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/// Split options used to split input string.
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/// Default value is RemoveEmptyEntries with TrimEntries.
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/// </summary>
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// StringSplitOptions.TrimEntries = 2, but only on net6 target.
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public StringSplitOptions SplitOptions { get; init; } = StringSplitOptions.RemoveEmptyEntries | (StringSplitOptions)2; |
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} |
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@ -1,281 +1,48 @@ |
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using System; |
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using System; |
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using System.Collections.Generic; |
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using System.Diagnostics.CodeAnalysis; |
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using System.IO; |
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using System.Linq; |
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using System.Reflection; |
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#if !BUILDTASK
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using Avalonia.Platform.Internal; |
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using Avalonia.Utilities; |
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#endif
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namespace Avalonia.Platform |
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{ |
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/// <summary>
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/// Loads assets compiled into the application binary.
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/// </summary>
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public class AssetLoader |
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namespace Avalonia.Platform; |
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#if !BUILDTASK
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: IAssetLoader |
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/// <inheritdoc cref="IAssetLoader"/>
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#endif
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{ |
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public static class AssetLoader |
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{ |
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#if !BUILDTASK
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private static IAssemblyDescriptorResolver s_assemblyDescriptorResolver = new AssemblyDescriptorResolver(); |
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private AssemblyDescriptor? _defaultResmAssembly; |
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/// <remarks>
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/// Introduced for tests.
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/// </remarks>
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internal static void SetAssemblyDescriptorResolver(IAssemblyDescriptorResolver resolver) => |
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s_assemblyDescriptorResolver = resolver; |
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|
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/// <summary>
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/// Initializes a new instance of the <see cref="AssetLoader"/> class.
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/// </summary>
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/// <param name="assembly">
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/// The default assembly from which to load resm: assets for which no assembly is specified.
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/// </param>
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public AssetLoader(Assembly? assembly = null) |
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{ |
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if (assembly == null) |
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assembly = Assembly.GetEntryAssembly(); |
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if (assembly != null) |
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_defaultResmAssembly = new AssemblyDescriptor(assembly); |
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} |
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|
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/// <summary>
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/// Sets the default assembly from which to load assets for which no assembly is specified.
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/// </summary>
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/// <param name="assembly">The default assembly.</param>
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public void SetDefaultAssembly(Assembly assembly) |
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{ |
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_defaultResmAssembly = new AssemblyDescriptor(assembly); |
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} |
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/// <summary>
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/// Checks if an asset with the specified URI exists.
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/// </summary>
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/// <param name="uri">The URI.</param>
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/// <param name="baseUri">
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/// A base URI to use if <paramref name="uri"/> is relative.
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/// </param>
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/// <returns>True if the asset could be found; otherwise false.</returns>
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public bool Exists(Uri uri, Uri? baseUri = null) |
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{ |
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return TryGetAsset(uri, baseUri, out _); |
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} |
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/// <summary>
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/// Opens the asset with the requested URI.
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/// </summary>
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/// <param name="uri">The URI.</param>
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/// <param name="baseUri">
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/// A base URI to use if <paramref name="uri"/> is relative.
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/// </param>
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/// <returns>A stream containing the asset contents.</returns>
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/// <exception cref="FileNotFoundException">
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/// The asset could not be found.
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/// </exception>
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public Stream Open(Uri uri, Uri? baseUri = null) => OpenAndGetAssembly(uri, baseUri).Item1; |
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/// <summary>
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/// Opens the asset with the requested URI and returns the asset stream and the
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/// assembly containing the asset.
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/// </summary>
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/// <param name="uri">The URI.</param>
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/// <param name="baseUri">
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/// A base URI to use if <paramref name="uri"/> is relative.
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/// </param>
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/// <returns>
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/// The stream containing the resource contents together with the assembly.
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/// </returns>
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/// <exception cref="FileNotFoundException">
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/// The asset could not be found.
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/// </exception>
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public (Stream stream, Assembly assembly) OpenAndGetAssembly(Uri uri, Uri? baseUri = null) |
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{ |
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if (TryGetAsset(uri, baseUri, out var assetDescriptor)) |
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{ |
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return (assetDescriptor.GetStream(), assetDescriptor.Assembly); |
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} |
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throw new FileNotFoundException($"The resource {uri} could not be found."); |
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} |
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public Assembly? GetAssembly(Uri uri, Uri? baseUri) |
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{ |
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if (!uri.IsAbsoluteUri && baseUri != null) |
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{ |
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uri = new Uri(baseUri, uri); |
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} |
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if (TryGetAssembly(uri, out var assemblyDescriptor)) |
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{ |
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return assemblyDescriptor.Assembly; |
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} |
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return null; |
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} |
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/// <summary>
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/// Gets all assets of a folder and subfolders that match specified uri.
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/// </summary>
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/// <param name="uri">The URI.</param>
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/// <param name="baseUri">Base URI that is used if <paramref name="uri"/> is relative.</param>
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/// <returns>All matching assets as a tuple of the absolute path to the asset and the assembly containing the asset</returns>
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public IEnumerable<Uri> GetAssets(Uri uri, Uri? baseUri) |
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{ |
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if (uri.IsAbsoluteResm()) |
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{ |
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if (!TryGetAssembly(uri, out var assembly)) |
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{ |
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assembly = _defaultResmAssembly; |
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} |
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return assembly?.Resources? |
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.Where(x => x.Key.Contains(uri.GetUnescapeAbsolutePath())) |
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.Select(x => new Uri($"resm:{x.Key}?assembly={assembly.Name}")) ?? |
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Enumerable.Empty<Uri>(); |
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} |
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uri = uri.EnsureAbsolute(baseUri); |
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if (uri.IsAvares()) |
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{ |
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if (!TryGetResAsmAndPath(uri, out var assembly, out var path)) |
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{ |
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return Enumerable.Empty<Uri>(); |
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} |
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private static IAssetLoader GetAssetLoader() => AvaloniaLocator.Current.GetRequiredService<IAssetLoader>(); |
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if (assembly?.AvaloniaResources == null) |
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{ |
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return Enumerable.Empty<Uri>(); |
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} |
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/// <inheritdoc cref="IAssetLoader.SetDefaultAssembly"/>
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public static void SetDefaultAssembly(Assembly assembly) => GetAssetLoader().SetDefaultAssembly(assembly); |
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if (path.Length > 0 && path[path.Length - 1] != '/') |
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{ |
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path += '/'; |
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} |
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/// <inheritdoc cref="IAssetLoader.Exists"/>
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public static bool Exists(Uri uri, Uri? baseUri = null) => GetAssetLoader().Exists(uri, baseUri); |
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return assembly.AvaloniaResources |
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.Where(r => r.Key.StartsWith(path, StringComparison.Ordinal)) |
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.Select(x => new Uri($"avares://{assembly.Name}{x.Key}")); |
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} |
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/// <inheritdoc cref="IAssetLoader.Open"/>
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public static Stream Open(Uri uri, Uri? baseUri = null) => GetAssetLoader().Open(uri, baseUri); |
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return Enumerable.Empty<Uri>(); |
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} |
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/// <inheritdoc cref="IAssetLoader.OpenAndGetAssembly"/>
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public static (Stream stream, Assembly assembly) OpenAndGetAssembly(Uri uri, Uri? baseUri = null) |
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=> GetAssetLoader().OpenAndGetAssembly(uri, baseUri); |
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private bool TryGetAsset(Uri uri, Uri? baseUri, [NotNullWhen(true)] out IAssetDescriptor? assetDescriptor) |
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{ |
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assetDescriptor = null; |
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/// <inheritdoc cref="IAssetLoader.GetAssembly"/>
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public static Assembly? GetAssembly(Uri uri, Uri? baseUri = null) |
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=> GetAssetLoader().GetAssembly(uri, baseUri); |
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if (uri.IsAbsoluteResm()) |
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{ |
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if (!TryGetAssembly(uri, out var assembly) && !TryGetAssembly(baseUri, out assembly)) |
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{ |
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assembly = _defaultResmAssembly; |
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} |
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if (assembly?.Resources != null) |
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{ |
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var resourceKey = uri.AbsolutePath; |
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if (assembly.Resources.TryGetValue(resourceKey, out assetDescriptor)) |
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{ |
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return true; |
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} |
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} |
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} |
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uri = uri.EnsureAbsolute(baseUri); |
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if (uri.IsAvares()) |
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{ |
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if (TryGetResAsmAndPath(uri, out var assembly, out var path)) |
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{ |
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if (assembly.AvaloniaResources == null) |
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{ |
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return false; |
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} |
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if (assembly.AvaloniaResources.TryGetValue(path, out assetDescriptor)) |
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{ |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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private static bool TryGetResAsmAndPath(Uri uri, [NotNullWhen(true)] out IAssemblyDescriptor? assembly, out string path) |
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{ |
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path = uri.GetUnescapeAbsolutePath(); |
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if (TryLoadAssembly(uri.Authority, out assembly)) |
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{ |
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return true; |
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} |
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return false; |
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} |
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private static bool TryGetAssembly(Uri? uri, [NotNullWhen(true)] out IAssemblyDescriptor? assembly) |
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{ |
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assembly = null; |
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if (uri != null) |
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{ |
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if (!uri.IsAbsoluteUri) |
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{ |
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return false; |
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} |
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if (uri.IsAvares() && TryGetResAsmAndPath(uri, out assembly, out _)) |
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{ |
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return true; |
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} |
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if (uri.IsResm()) |
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{ |
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var assemblyName = uri.GetAssemblyNameFromQuery(); |
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if (assemblyName.Length > 0 && TryLoadAssembly(assemblyName, out assembly)) |
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{ |
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return true; |
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} |
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} |
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} |
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return false; |
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} |
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private static bool TryLoadAssembly(string assemblyName, [NotNullWhen(true)] out IAssemblyDescriptor? assembly) |
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{ |
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assembly = null; |
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try |
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{ |
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assembly = s_assemblyDescriptorResolver.GetAssembly(assemblyName); |
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return true; |
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} |
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catch (Exception) { } |
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return false; |
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} |
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/// <inheritdoc cref="IAssetLoader.GetAssets"/>
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public static IEnumerable<Uri> GetAssets(Uri uri, Uri? baseUri) |
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=> GetAssetLoader().GetAssets(uri, baseUri); |
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#endif
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public static void RegisterResUriParsers() |
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{ |
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if (!UriParser.IsKnownScheme("avares")) |
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UriParser.Register(new GenericUriParser( |
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GenericUriParserOptions.GenericAuthority | |
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GenericUriParserOptions.NoUserInfo | |
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GenericUriParserOptions.NoPort | |
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GenericUriParserOptions.NoQuery | |
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GenericUriParserOptions.NoFragment), "avares", -1); |
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} |
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internal static void RegisterResUriParsers() |
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{ |
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if (!UriParser.IsKnownScheme("avares")) |
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UriParser.Register(new GenericUriParser( |
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GenericUriParserOptions.GenericAuthority | |
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GenericUriParserOptions.NoUserInfo | |
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GenericUriParserOptions.NoPort | |
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GenericUriParserOptions.NoQuery | |
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GenericUriParserOptions.NoFragment), "avares", -1); |
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} |
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} |
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@ -0,0 +1,255 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.Diagnostics.CodeAnalysis; |
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using System.IO; |
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using System.Linq; |
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using System.Reflection; |
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using Avalonia.Platform.Internal; |
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using Avalonia.Utilities; |
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namespace Avalonia.Platform; |
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/// <summary>
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/// Loads assets compiled into the application binary.
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/// </summary>
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internal class StandardAssetLoader : IAssetLoader |
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{ |
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private readonly IAssemblyDescriptorResolver _assemblyDescriptorResolver; |
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private AssemblyDescriptor? _defaultResmAssembly; |
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public StandardAssetLoader(IAssemblyDescriptorResolver resolver, Assembly? assembly = null) |
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{ |
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if (assembly == null) |
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assembly = Assembly.GetEntryAssembly(); |
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if (assembly != null) |
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_defaultResmAssembly = new AssemblyDescriptor(assembly); |
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_assemblyDescriptorResolver = resolver; |
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} |
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public StandardAssetLoader(Assembly? assembly = null) : this(new AssemblyDescriptorResolver(), assembly) |
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{ |
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} |
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/// <summary>
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/// Sets the default assembly from which to load assets for which no assembly is specified.
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/// </summary>
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/// <param name="assembly">The default assembly.</param>
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public void SetDefaultAssembly(Assembly assembly) |
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{ |
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_defaultResmAssembly = new AssemblyDescriptor(assembly); |
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} |
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/// <summary>
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/// Checks if an asset with the specified URI exists.
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/// </summary>
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/// <param name="uri">The URI.</param>
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/// <param name="baseUri">
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/// A base URI to use if <paramref name="uri"/> is relative.
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/// </param>
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/// <returns>True if the asset could be found; otherwise false.</returns>
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public bool Exists(Uri uri, Uri? baseUri = null) |
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{ |
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return TryGetAsset(uri, baseUri, out _); |
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} |
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|
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/// <summary>
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/// Opens the asset with the requested URI.
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/// </summary>
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/// <param name="uri">The URI.</param>
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/// <param name="baseUri">
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/// A base URI to use if <paramref name="uri"/> is relative.
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/// </param>
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/// <returns>A stream containing the asset contents.</returns>
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/// <exception cref="FileNotFoundException">
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/// The asset could not be found.
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/// </exception>
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public Stream Open(Uri uri, Uri? baseUri = null) => OpenAndGetAssembly(uri, baseUri).Item1; |
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|
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/// <summary>
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/// Opens the asset with the requested URI and returns the asset stream and the
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/// assembly containing the asset.
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/// </summary>
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/// <param name="uri">The URI.</param>
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/// <param name="baseUri">
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/// A base URI to use if <paramref name="uri"/> is relative.
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/// </param>
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/// <returns>
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/// The stream containing the resource contents together with the assembly.
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/// </returns>
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/// <exception cref="FileNotFoundException">
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/// The asset could not be found.
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/// </exception>
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public (Stream stream, Assembly assembly) OpenAndGetAssembly(Uri uri, Uri? baseUri = null) |
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{ |
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if (TryGetAsset(uri, baseUri, out var assetDescriptor)) |
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{ |
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return (assetDescriptor.GetStream(), assetDescriptor.Assembly); |
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} |
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throw new FileNotFoundException($"The resource {uri} could not be found."); |
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} |
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public Assembly? GetAssembly(Uri uri, Uri? baseUri) |
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{ |
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if (!uri.IsAbsoluteUri && baseUri != null) |
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{ |
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uri = new Uri(baseUri, uri); |
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} |
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if (TryGetAssembly(uri, out var assemblyDescriptor)) |
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{ |
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return assemblyDescriptor.Assembly; |
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} |
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return null; |
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} |
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|
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/// <summary>
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/// Gets all assets of a folder and subfolders that match specified uri.
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/// </summary>
|
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/// <param name="uri">The URI.</param>
|
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/// <param name="baseUri">Base URI that is used if <paramref name="uri"/> is relative.</param>
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/// <returns>All matching assets as a tuple of the absolute path to the asset and the assembly containing the asset</returns>
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public IEnumerable<Uri> GetAssets(Uri uri, Uri? baseUri) |
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{ |
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if (uri.IsAbsoluteResm()) |
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{ |
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if (!TryGetAssembly(uri, out var assembly)) |
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{ |
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assembly = _defaultResmAssembly; |
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} |
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|
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return assembly?.Resources? |
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.Where(x => x.Key.Contains(uri.GetUnescapeAbsolutePath())) |
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.Select(x => new Uri($"resm:{x.Key}?assembly={assembly.Name}")) ?? |
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Enumerable.Empty<Uri>(); |
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} |
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|
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uri = uri.EnsureAbsolute(baseUri); |
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|
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if (uri.IsAvares()) |
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{ |
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if (!TryGetResAsmAndPath(uri, out var assembly, out var path)) |
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{ |
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return Enumerable.Empty<Uri>(); |
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} |
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|
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if (assembly?.AvaloniaResources == null) |
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{ |
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return Enumerable.Empty<Uri>(); |
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} |
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|
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if (path.Length > 0 && path[path.Length - 1] != '/') |
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{ |
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path += '/'; |
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} |
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|
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return assembly.AvaloniaResources |
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.Where(r => r.Key.StartsWith(path, StringComparison.Ordinal)) |
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.Select(x => new Uri($"avares://{assembly.Name}{x.Key}")); |
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} |
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|
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return Enumerable.Empty<Uri>(); |
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} |
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|
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private bool TryGetAsset(Uri uri, Uri? baseUri, [NotNullWhen(true)] out IAssetDescriptor? assetDescriptor) |
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{ |
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assetDescriptor = null; |
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|
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if (uri.IsAbsoluteResm()) |
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{ |
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if (!TryGetAssembly(uri, out var assembly) && !TryGetAssembly(baseUri, out assembly)) |
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{ |
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assembly = _defaultResmAssembly; |
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} |
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|
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if (assembly?.Resources != null) |
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{ |
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var resourceKey = uri.AbsolutePath; |
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|
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if (assembly.Resources.TryGetValue(resourceKey, out assetDescriptor)) |
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{ |
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return true; |
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} |
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} |
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} |
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|
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uri = uri.EnsureAbsolute(baseUri); |
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|
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if (uri.IsAvares()) |
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{ |
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if (TryGetResAsmAndPath(uri, out var assembly, out var path)) |
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{ |
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if (assembly.AvaloniaResources == null) |
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{ |
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return false; |
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} |
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|
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if (assembly.AvaloniaResources.TryGetValue(path, out assetDescriptor)) |
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{ |
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return true; |
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} |
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} |
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} |
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|
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return false; |
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} |
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|
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private bool TryGetResAsmAndPath(Uri uri, [NotNullWhen(true)] out IAssemblyDescriptor? assembly, out string path) |
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{ |
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path = uri.GetUnescapeAbsolutePath(); |
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|
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if (TryLoadAssembly(uri.Authority, out assembly)) |
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{ |
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return true; |
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} |
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|
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return false; |
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} |
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|
|||
private bool TryGetAssembly(Uri? uri, [NotNullWhen(true)] out IAssemblyDescriptor? assembly) |
|||
{ |
|||
assembly = null; |
|||
|
|||
if (uri != null) |
|||
{ |
|||
if (!uri.IsAbsoluteUri) |
|||
{ |
|||
return false; |
|||
} |
|||
|
|||
if (uri.IsAvares() && TryGetResAsmAndPath(uri, out assembly, out _)) |
|||
{ |
|||
return true; |
|||
} |
|||
|
|||
if (uri.IsResm()) |
|||
{ |
|||
var assemblyName = uri.GetAssemblyNameFromQuery(); |
|||
|
|||
if (assemblyName.Length > 0 && TryLoadAssembly(assemblyName, out assembly)) |
|||
{ |
|||
return true; |
|||
} |
|||
} |
|||
} |
|||
|
|||
return false; |
|||
} |
|||
|
|||
private bool TryLoadAssembly(string assemblyName, [NotNullWhen(true)] out IAssemblyDescriptor? assembly) |
|||
{ |
|||
assembly = null; |
|||
|
|||
try |
|||
{ |
|||
assembly = _assemblyDescriptorResolver.GetAssembly(assemblyName); |
|||
|
|||
return true; |
|||
} |
|||
catch (Exception) { } |
|||
|
|||
return false; |
|||
} |
|||
} |
|||
@ -0,0 +1,27 @@ |
|||
using System; |
|||
using System.Collections.Generic; |
|||
using System.Threading.Tasks; |
|||
using Avalonia.Platform.Storage.FileIO; |
|||
|
|||
namespace Avalonia.Platform.Storage; |
|||
|
|||
internal class NoopStorageProvider : BclStorageProvider |
|||
{ |
|||
public override bool CanOpen => false; |
|||
public override Task<IReadOnlyList<IStorageFile>> OpenFilePickerAsync(FilePickerOpenOptions options) |
|||
{ |
|||
return Task.FromResult<IReadOnlyList<IStorageFile>>(Array.Empty<IStorageFile>()); |
|||
} |
|||
|
|||
public override bool CanSave => false; |
|||
public override Task<IStorageFile?> SaveFilePickerAsync(FilePickerSaveOptions options) |
|||
{ |
|||
return Task.FromResult<IStorageFile?>(null); |
|||
} |
|||
|
|||
public override bool CanPickFolder => false; |
|||
public override Task<IReadOnlyList<IStorageFolder>> OpenFolderPickerAsync(FolderPickerOpenOptions options) |
|||
{ |
|||
return Task.FromResult<IReadOnlyList<IStorageFolder>>(Array.Empty<IStorageFolder>()); |
|||
} |
|||
} |
|||
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