| /* |
| * Copyright 2000-2013 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 com.jetbrains.python.parsing; |
| |
| import com.intellij.lang.WhitespacesAndCommentsBinder; |
| import com.intellij.psi.tree.IElementType; |
| import com.jetbrains.python.PyTokenTypes; |
| |
| import java.util.List; |
| |
| /** |
| * @author yole |
| */ |
| class FollowingCommentBinder implements WhitespacesAndCommentsBinder { |
| static final FollowingCommentBinder INSTANCE = new FollowingCommentBinder(); |
| |
| @Override |
| public int getEdgePosition(List<IElementType> tokens, boolean atStreamEdge, TokenTextGetter getter) { |
| if (tokens.size() <= 1) return 0; |
| int pos = 0; |
| // TODO[yole] handle more cases? |
| while (pos < tokens.size() && tokens.get(pos) == PyTokenTypes.LINE_BREAK) { |
| final CharSequence charSequence = getter.get(pos); |
| if (charSequence.length() == 0 || charSequence.charAt(charSequence.length()-1) != ' ') { |
| break; |
| } |
| pos++; |
| if (pos == tokens.size() || tokens.get(pos) != PyTokenTypes.END_OF_LINE_COMMENT) { |
| break; |
| } |
| pos++; |
| } |
| return pos; |
| } |
| } |