/*
 * Copyright 2016 The Bazel Authors. All rights reserved.
 *
 * 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 com.google.idea.blaze.base.lang.buildfile.formatting;

import com.google.idea.blaze.base.lang.buildfile.lexer.BuildToken;
import com.google.idea.blaze.base.lang.buildfile.lexer.TokenKind;
import com.intellij.lang.CodeDocumentationAwareCommenter;
import com.intellij.psi.PsiComment;
import com.intellij.psi.tree.IElementType;
import javax.annotation.Nullable;

/** Supports (un)commenting lines via IntelliJ */
public class BuildCommenter implements CodeDocumentationAwareCommenter {

  @Nullable
  @Override
  public String getLineCommentPrefix() {
    return "#";
  }

  @Nullable
  @Override
  public String getBlockCommentPrefix() {
    return null;
  }

  @Nullable
  @Override
  public String getBlockCommentSuffix() {
    return null;
  }

  @Nullable
  @Override
  public String getCommentedBlockCommentPrefix() {
    return null;
  }

  @Nullable
  @Override
  public String getCommentedBlockCommentSuffix() {
    return null;
  }

  @Override
  public IElementType getLineCommentTokenType() {
    return BuildToken.fromKind(TokenKind.COMMENT);
  }

  @Override
  public IElementType getBlockCommentTokenType() {
    return null;
  }

  @Override
  public IElementType getDocumentationCommentTokenType() {
    return null;
  }

  @Override
  public String getDocumentationCommentPrefix() {
    return null;
  }

  @Override
  public String getDocumentationCommentLinePrefix() {
    return null;
  }

  @Override
  public String getDocumentationCommentSuffix() {
    return null;
  }

  @Override
  public boolean isDocumentationComment(PsiComment element) {
    return false;
  }
}