/*
* Copyright 2013-2016 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.psi.tree.impl;
import com.intellij.lang.ASTNode;
import com.intellij.psi.TokenType;
import com.intellij.psi.impl.source.CodeFragmentElement;
import com.intellij.psi.impl.source.DummyHolderElement;
import com.intellij.psi.impl.source.tree.FileElement;
import com.intellij.psi.impl.source.tree.LazyParseableElement;
import com.intellij.psi.impl.source.tree.LazyParseablePsiElement;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.tree.IFileElementType;
import com.intellij.psi.tree.ILazyParseableElementType;
import consulo.psi.tree.ASTLazyFactory;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author VISTALL
* @since 2:21/02.04.13
*/
public class DefaultASTLazyFactory implements ASTLazyFactory {
@NotNull
@Override
public LazyParseableElement createLazy(ILazyParseableElementType type, CharSequence text) {
if (type instanceof IFileElementType) {
final ASTNode node = type.createNode(text);
return node instanceof LazyParseableElement ? (LazyParseableElement) node : new FileElement(type, text);
}
final ASTNode node = type.createNode(text);
if (node != null) {
return (LazyParseableElement)node;
}
if (type == TokenType.CODE_FRAGMENT) {
return new CodeFragmentElement(null);
}
else if (type == TokenType.DUMMY_HOLDER) {
return new DummyHolderElement(text);
}
return new LazyParseablePsiElement(type, text);
}
@Override
public boolean apply(@Nullable IElementType input) {
return true;
}
}