/*
* 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.completion;
import consulo.csharp.lang.CSharpFileType;
import com.intellij.codeInsight.lookup.CharFilter;
import com.intellij.codeInsight.lookup.Lookup;
import com.intellij.psi.PsiFile;
/**
* @author VISTALL
* @since 03.01.15
*/
public class CSharpCompletionCharFilter extends CharFilter
{
@Override
public Result acceptChar(char c, final int prefixLength, final Lookup lookup)
{
if(!lookup.isCompletion())
{
return null;
}
PsiFile psiFile = lookup.getPsiFile();
if(psiFile.getFileType() != CSharpFileType.INSTANCE)
{
return null;
}
if(Character.isJavaIdentifierPart(c))
{
return Result.ADD_TO_PREFIX;
}
switch(c)
{
case '{':
case '<':
return Result.SELECT_ITEM_AND_FINISH_LOOKUP;
default:
return null;
}
}
}