/*
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * 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.jetbrains.plugins.groovy.lang.psi.impl.source.impl;

import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiManager;
import com.intellij.psi.impl.source.tree.TreeElement;
import com.intellij.psi.impl.source.tree.TreeGenerator;
import com.intellij.util.CharTable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElementFactory;
import org.jetbrains.plugins.groovy.lang.psi.api.auxiliary.modifiers.GrModifierList;

public final class GroovyTreeGenerator implements TreeGenerator {
  @Override
  public TreeElement generateTreeFor(@NotNull PsiElement original, @NotNull CharTable table, @NotNull PsiManager manager) {

    if (original instanceof GrModifierList) {
      final String text = original.getText();
      assert text != null : "Text is null for " + original + "; " + original.getClass();

      final GrModifierList modifierList = GroovyPsiElementFactory.getInstance(manager.getProject()).createModifierList(text);
      return (TreeElement)modifierList.getNode();
    }

    return null;
  }
}
