/*
 * Copyright 2013-2017 consulo.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package consulo.csharp.lang.psi.resolve;

import org.jetbrains.annotations.NotNull;
import consulo.annotations.RequiredReadAction;
import consulo.csharp.lang.psi.CSharpIndexMethodDeclaration;
import consulo.csharp.lang.psi.CSharpConstructorDeclaration;
import com.intellij.psi.PsiElement;

/**
 * @author VISTALL
 * @since 07.10.14
 */
public enum StaticResolveSelectors implements CSharpResolveSelector
{
	NONE
			{
				@RequiredReadAction
				@NotNull
				@Override
				public PsiElement[] doSelectElement(@NotNull CSharpResolveContext context, boolean deep)
				{
					throw new UnsupportedOperationException();
				}
			},
	INDEX_METHOD_GROUP
			{
				@RequiredReadAction
				@NotNull
				@Override
				public PsiElement[] doSelectElement(@NotNull CSharpResolveContext context, boolean deep)
				{
					CSharpElementGroup<CSharpIndexMethodDeclaration> group = context.indexMethodGroup(deep);
					if(group == null)
					{
						return PsiElement.EMPTY_ARRAY;
					}
					return new PsiElement[] {group};
				}
			},

	CONSTRUCTOR_GROUP
			{
				@RequiredReadAction
				@NotNull
				@Override
				public PsiElement[] doSelectElement(@NotNull CSharpResolveContext context, boolean deep)
				{
					CSharpElementGroup<CSharpConstructorDeclaration> group = context.constructorGroup();
					if(group == null)
					{
						return PsiElement.EMPTY_ARRAY;
					}
					return new PsiElement[] {group};
				}
			},

	DE_CONSTRUCTOR_GROUP
			{
				@RequiredReadAction
				@NotNull
				@Override
				public PsiElement[] doSelectElement(@NotNull CSharpResolveContext context, boolean deep)
				{
					CSharpElementGroup<CSharpConstructorDeclaration> group = context.deConstructorGroup();
					if(group == null)
					{
						return PsiElement.EMPTY_ARRAY;
					}
					return new PsiElement[] {group};
				}
			}
}