90 строки
2.3 KiB
C#
90 строки
2.3 KiB
C#
// Copyright 2015-2017 Xamarin Inc. All rights reserved.
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using System;
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using System.Linq;
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using Mono.Linker;
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using Mono.Tuner;
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using Mono.Cecil;
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using Mono.Cecil.Cil;
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#if MTOUCH
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using MonoTouch;
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using MonoTouch.Tuner;
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using Xamarin.Bundler;
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#elif MMP || MMP_TEST
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using MonoMac;
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using MonoMac.Tuner;
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using Xamarin.Bundler;
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#else
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using ObjCRuntime;
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#endif
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namespace Xamarin.Linker.Steps {
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public class CoreHttpMessageHandler : ExceptionalSubStep {
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public CoreHttpMessageHandler (LinkerOptions options)
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{
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Options = options;
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}
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public LinkerOptions Options { get; private set; }
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public override SubStepTargets Targets {
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get { return SubStepTargets.Type; }
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}
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protected override string Name { get; } = "Default HttpMessageHandler setter";
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protected override int ErrorCode { get; } = 2040;
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Application App {
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get {
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#if MONOMAC
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return Driver.App;
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#else
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return Options.Application;
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#endif
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}
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}
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public override bool IsActiveFor (AssemblyDefinition assembly)
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{
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switch (assembly.Name.Name) {
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#if MONOMAC
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case "Xamarin.Mac":
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return context.Annotations.GetAction (assembly) == AssemblyAction.Link;
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#else
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case "Xamarin.iOS":
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case "Xamarin.TVOS":
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case "Xamarin.WatchOS":
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return context.Annotations.GetAction (assembly) == AssemblyAction.Link;
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#endif
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default:
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return false;
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}
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}
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protected override void Process (TypeDefinition type)
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{
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if (!type.Is ("ObjCRuntime", "RuntimeOptions"))
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return;
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MethodDefinition method = type.Methods.First (x => x.Name == "GetHttpMessageHandler" && !x.HasParameters);
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AssemblyDefinition systemNetHTTPAssembly = context.GetAssemblies ().First (x => x.Name.Name == "System.Net.Http");
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TypeDefinition handler = RuntimeOptions.GetHttpMessageHandler (App, Options.RuntimeOptions, systemNetHTTPAssembly.MainModule, type.Module);
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MethodReference handler_ctor = handler.Methods.First (x => x.IsConstructor && !x.HasParameters && !x.IsStatic);
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// HttpClientHandler is defined in System.Net.Http.dll so we need to import
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if (handler.Name.Contains ("HttpClientHandler"))
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handler_ctor = type.Module.ImportReference (handler_ctor);
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var body = new MethodBody (method);
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var il = body.GetILProcessor ();
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il.Emit (OpCodes.Newobj, handler_ctor);
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il.Emit (OpCodes.Ret);
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method.Body = body;
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}
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}
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}
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