/*
 * Copyright 2013-2015 must-be.org
 *
 * 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 org.mustbe.consulo.csharp.ide.completion;

import org.mustbe.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 Result.HIDE_LOOKUP;
		}
	}
}

@@ -1373,17 +1373,16 @@
 LOOKUP;%0A
-%0A
 %09%09%09defau
@@ -1400,26 +1400,12 @@
 urn 
-Result.HIDE_LOOKUP
+null
 ;%0A%09%09

return null