/*
* 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;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import consulo.csharp.lang.evaluator.ConstantExpressionEvaluator;
import consulo.dotnet.psi.DotNetAttribute;
import consulo.dotnet.psi.DotNetAttributeUtil;
import consulo.dotnet.psi.DotNetExpression;
import com.intellij.psi.PsiElement;
/**
* @author VISTALL
* @since 03.09.14
*/
public class CSharpAttributeUtil extends DotNetAttributeUtil
{
@Nullable
public static <T> T findSingleAttributeValue(@NotNull PsiElement owner, @NotNull String qName, @NotNull Class<T> clazz)
{
DotNetAttribute attribute = findAttribute(owner, qName);
if(!(attribute instanceof CSharpAttribute))
{
return null;
}
DotNetExpression[] parameterExpressions = ((CSharpAttribute) attribute).getParameterExpressions();
if(parameterExpressions.length == 0)
{
return null;
}
return new ConstantExpressionEvaluator(parameterExpressions[0]).getValueAs(clazz);
}
}