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//
// PartialGenerator.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2013 Xamarin Inc. (http://xamarin.com)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System.Linq;
using System.Collections.Generic;
using Gtk;
using MonoDevelop.Core;
using System.Threading;
using ICSharpCode.NRefactory6.CSharp;
using MonoDevelop.CSharp.Refactoring;
namespace MonoDevelop.CodeGeneration
{
class PartialGenerator : ICodeGenerator
{
public string Icon {
get {
return "md-method";
}
}
public string Text {
get {
return GettextCatalog.GetString ("Partial methods");
}
}
public string GenerateDescription {
get {
return GettextCatalog.GetString ("Select methods to be implemented.");
}
}
public bool IsValid (CodeGenerationOptions options)
{
return new PartialMethods (options).IsValid ();
}
public IGenerateAction InitalizeSelection (CodeGenerationOptions options, TreeView treeView)
{
var overrideMethods = new PartialMethods (options);
overrideMethods.Initialize (treeView);
return overrideMethods;
}
class PartialMethods : AbstractGenerateAction
{
public PartialMethods (CodeGenerationOptions options) : base (options)
{
}
protected override IEnumerable<object> GetValidMembers ()
{
var type = Options.EnclosingType;
if (type == null || Options.EnclosingMember != null)
yield break;
foreach (var method in Options.EnclosingType.GetMembers ().OfType<Microsoft.CodeAnalysis.IMethodSymbol> ()) {
if (method.MethodKind != Microsoft.CodeAnalysis.MethodKind.Ordinary)
continue;
if (IsEmptyPartialMethod(method)) {
yield return method;
}
}
}
static bool IsEmptyPartialMethod(Microsoft.CodeAnalysis.ISymbol member, CancellationToken cancellationToken = default(CancellationToken))
{
var method = member as Microsoft.CodeAnalysis.IMethodSymbol;
if (method == null || method.IsDefinedInMetadata ())
return false;
foreach (var r in method.DeclaringSyntaxReferences) {
var node = r.GetSyntax (cancellationToken) as Microsoft.CodeAnalysis.CSharp.Syntax.MethodDeclarationSyntax;
if (node == null)
continue;
if (node.Body != null || !node.Modifiers.Any(m => m.IsKind (Microsoft.CodeAnalysis.CSharp.SyntaxKind.PartialKeyword)))
return false;
}
return true;
}
protected override IEnumerable<string> GenerateCode (List<object> includedMembers)
{
foreach (Microsoft.CodeAnalysis.IMethodSymbol member in includedMembers)
yield return CSharpCodeGenerator.CreatePartialMemberImplementation (Options.DocumentContext, Options.Editor, Options.EnclosingType, Options.EnclosingPart.GetLocation (), member, false).Code;
}
}
}
}
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