125 строки
3.1 KiB
C#
125 строки
3.1 KiB
C#
using System;
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using System.Collections.Generic;
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using Mono.Cecil;
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using Mono.Linker;
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#if NET
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using Mono.Linker.Steps;
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#endif
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using Mono.Tuner;
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using Xamarin.Bundler;
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using Xamarin.Utils;
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namespace Xamarin.Linker {
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public class RemoveUserResourcesSubStep : ExceptionalSubStep {
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const string iOS_Content = "__monotouch_content_";
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const string iOS_Page = "__monotouch_page_";
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const string Mac_Content = "__xammac_content_";
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const string Mac_Page = "__xammac_page_";
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string Content;
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string Page;
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public override SubStepTargets Targets {
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get { return SubStepTargets.Assembly; }
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}
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public bool Simulator { get { return LinkContext.App.IsSimulatorBuild; } }
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protected override string Name { get; } = "Removing User Resources";
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protected override int ErrorCode { get; } = 2030;
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public override void Initialize (LinkContext context)
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{
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base.Initialize (context);
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switch (LinkContext.App.Platform) {
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case ApplePlatform.iOS:
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case ApplePlatform.TVOS:
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case ApplePlatform.WatchOS:
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case ApplePlatform.MacCatalyst:
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Content = iOS_Content;
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Page = iOS_Page;
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break;
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case ApplePlatform.MacOSX:
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Content = Mac_Content;
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Page = Mac_Page;
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break;
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default:
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Report (ErrorHelper.CreateError (71, Errors.MX0071, LinkContext.App.Platform, LinkContext.App.ProductName));
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break;
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}
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}
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protected override void Process (AssemblyDefinition assembly)
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{
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if (Profile.IsProductAssembly (assembly) || Profile.IsSdkAssembly (assembly))
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return;
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var module = assembly.MainModule;
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if (!module.HasResources)
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return;
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HashSet<string> libraries = null;
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if (assembly.HasCustomAttributes) {
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foreach (var ca in assembly.CustomAttributes) {
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if (!ca.AttributeType.Is ("ObjCRuntime", "LinkWithAttribute"))
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continue;
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var lwa = Xamarin.Bundler.Assembly.GetLinkWithAttribute (ca);
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if (lwa.LibraryName is not null) {
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if (libraries is null)
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libraries = new HashSet<string> (StringComparer.OrdinalIgnoreCase);
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libraries.Add (lwa.LibraryName);
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}
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}
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}
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var found = false;
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var resources = module.Resources;
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for (int i = 0; i < resources.Count; i++) {
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var resource = resources [i];
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if (!(resource is EmbeddedResource))
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continue;
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var name = resource.Name;
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if (!IsMonoTouchResource (name) && !IsNativeLibrary (name, libraries))
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continue;
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resources.RemoveAt (i--);
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found = true;
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}
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// we'll need to save (if we're not linking) this assembly
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if (found && Annotations.GetAction (assembly) != AssemblyAction.Link)
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Annotations.SetAction (assembly, AssemblyAction.Save);
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}
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bool IsMonoTouchResource (string resourceName)
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{
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// Don't bother removing the resources if we're building for the simulator
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if (Simulator)
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return false;
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if (resourceName.StartsWith (Content, StringComparison.OrdinalIgnoreCase))
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return true;
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if (resourceName.StartsWith (Page, StringComparison.OrdinalIgnoreCase))
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return true;
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return false;
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}
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static bool IsNativeLibrary (string resourceName, HashSet<string> libraries)
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{
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if (libraries is null)
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return false;
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return libraries.Contains (resourceName);
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}
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}
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}
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