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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
//
// 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;
using System.Linq;
using ICSharpCode.NRefactory.TypeSystem;
namespace ICSharpCode.NRefactory.Documentation
{
/// <summary>
/// A type reference of the form 'Some.Namespace.TopLevelType.NestedType`n'.
/// We do not know the boundary between namespace name and top level type, so we have to try
/// all possibilities.
/// The type parameter count only applies to the innermost type, all outer types must be non-generic.
/// </summary>
[Serializable]
class GetPotentiallyNestedClassTypeReference : ITypeReference
{
readonly string typeName;
readonly int typeParameterCount;
public GetPotentiallyNestedClassTypeReference(string typeName, int typeParameterCount)
{
this.typeName = typeName;
this.typeParameterCount = typeParameterCount;
}
public IType Resolve(ITypeResolveContext context)
{
string[] parts = typeName.Split('.');
var assemblies = new [] { context.CurrentAssembly }.Concat(context.Compilation.Assemblies);
for (int i = parts.Length - 1; i >= 0; i--) {
string ns = string.Join(".", parts, 0, i);
string name = parts[i];
int topLevelTPC = (i == parts.Length - 1 ? typeParameterCount : 0);
foreach (var asm in assemblies) {
if (asm == null)
continue;
ITypeDefinition typeDef = asm.GetTypeDefinition(ns, name, topLevelTPC);
for (int j = i + 1; j < parts.Length && typeDef != null; j++) {
int tpc = (j == parts.Length - 1 ? typeParameterCount : 0);
typeDef = typeDef.NestedTypes.FirstOrDefault(n => n.Name == parts[j] && n.TypeParameterCount == tpc);
}
if (typeDef != null)
return typeDef;
}
}
return null;
}
}
}
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