private async Task <int> Execute()
{
if (!TryValidateProjectPath(Project, out var projectPath))
{
return(1);
}
if (Plugins.Values.Count == 0)
{
ShowHelp();
return(1);
}
var analysisContext = Analysis.CreateContext();
var compilation = await GetCompilationAsync(projectPath);
analysisContext.SetData <CSharpCompilation>(compilation);
var operations = new List <Operation>();
for (var i = 0; i < Plugins.Values.Count; i++)
{
var name = Plugins.Values[i];
Out.WriteLine($"Processing '{name}'...");
if (!KnownPlugins.Plugins.TryGetValue(name, out var plugin))
{
Out.WriteLine($"Unknown plugin '{name}'");
return(1);
}
operations.AddRange(await plugin.GetOperationsAsync(analysisContext));
}
Out.WriteLine("Resolved operations:");
for (var i = 0; i < operations.Count; i++)
{
Out.WriteLine($"\t{operations[i]}");
}
Out.WriteLine();
if (!DryRun.HasValue())
{
var editorContext = new EditorContext();
editorContext.SetData <CSharpCompilation>(await analysisContext.GetDataAsync <CSharpCompilation>().ConfigureAwait(false));
var editor = Editor.Create();
Out.WriteLine("Performing operations:");
for (var i = 0; i < operations.Count; i++)
{
Out.WriteLine($"\t{operations[i]}");
await editor.ApplyAsync(editorContext, operations[i]);
}
}
Out.WriteLine();
return(0);
}
public override async Task ApplyAsync(EditorContext context, Operation operation, CancellationToken cancellationToken = default(CancellationToken))
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (operation == null)
{
throw new ArgumentNullException(nameof(operation));
}
if (operation is MiddlewareDependencySet.AddOperation add)
{
var compilation = context.GetData <CSharpCompilation>();
var syntaxTree = FindCorrespondingSyntaxTree(compilation, add.ConfigureMethod.SyntaxTree);
var root = await syntaxTree.GetRootAsync().ConfigureAwait(false);
var configureMethod = root.GetCurrentNode(add.ConfigureMethod);
var edited = syntaxTree.WithRootAndOptions(
root.ReplaceNode(
configureMethod,
configureMethod.AddBodyStatements(
ExpressionStatement(
InvocationExpression(
MemberAccessExpression(
SyntaxKind.SimpleMemberAccessExpression,
IdentifierName("app"),
IdentifierName("UseMvc")))))),
syntaxTree.Options);
File.WriteAllText(edited.FilePath, edited.GetRoot().NormalizeWhitespace().ToString());
compilation = compilation.ReplaceSyntaxTree(syntaxTree, edited);
context.SetData <CSharpCompilation>(compilation);
}
}