/*
* 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.ide.liveTemplates.macro;
import java.util.List;
import org.jetbrains.annotations.Nullable;
import consulo.csharp.lang.psi.impl.DotNetTypes2;
import consulo.csharp.lang.psi.impl.source.CSharpTypeDeclarationImplUtil;
import consulo.dotnet.psi.DotNetVariable;
import consulo.dotnet.resolve.DotNetTypeRef;
import com.intellij.codeInsight.template.Expression;
import com.intellij.codeInsight.template.ExpressionContext;
import com.intellij.psi.PsiElement;
import com.intellij.util.SmartList;
/**
* @author VISTALL
* @since 11.06.14
*/
public class ForeachVariableMacro extends VariableTypeMacroBase
{
private static final String[] ourAcceptableTypes = {
DotNetTypes2.System.Collections.IEnumerable,
DotNetTypes2.System.Collections.Generic.IEnumerable$1
};
@Nullable
@Override
protected PsiElement[] getVariables(Expression[] params, ExpressionContext context)
{
final PsiElement psiElementAtStartOffset = context.getPsiElementAtStartOffset();
if(psiElementAtStartOffset == null)
{
return PsiElement.EMPTY_ARRAY;
}
List<DotNetVariable> variables = CSharpLiveTemplateMacroUtil.resolveAllVariables(context.getPsiElementAtStartOffset());
List<DotNetVariable> list = new SmartList<DotNetVariable>();
for(DotNetVariable variable : variables)
{
DotNetTypeRef typeRefOfVariable = variable.toTypeRef(true);
if(CSharpTypeDeclarationImplUtil.isInheritOrSelf(typeRefOfVariable, psiElementAtStartOffset, ourAcceptableTypes))
{
list.add(variable);
}
}
return list.toArray(new PsiElement[list.size()]);
}
@Override
public String getName()
{
return "csharpForeachVariable";
}
@Override
public String getPresentableName()
{
return "foreach variable";
}
}