| /* |
| * Copyright 2000-2011 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.intellij.psi.formatter; |
| |
| import gnu.trove.TIntHashSet; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * {@link WhiteSpaceFormattingStrategy} implementation that is pre-configured with the set of symbols that may |
| * be treated as white spaces. |
| * <p/> |
| * Please note that this class exists just for performance reasons (functionally we can use |
| * {@link StaticTextWhiteSpaceDefinitionStrategy} with strings consisting from single symbol all the time). |
| * <p/> |
| * Thread-safe. |
| * |
| * @author Denis Zhdanov |
| * @since Sep 20, 2010 5:11:49 PM |
| */ |
| public class StaticSymbolWhiteSpaceDefinitionStrategy extends AbstractWhiteSpaceFormattingStrategy { |
| |
| private final TIntHashSet myWhiteSpaceSymbols = new TIntHashSet(); |
| |
| /** |
| * Creates new <code>StaticWhiteSpaceDefinitionStrategy</code> object with the symbols that should be treated as white spaces. |
| * |
| * @param whiteSpaceSymbols symbols that should be treated as white spaces by the current strategy |
| */ |
| public StaticSymbolWhiteSpaceDefinitionStrategy(char ... whiteSpaceSymbols) { |
| for (char symbol : whiteSpaceSymbols) { |
| myWhiteSpaceSymbols.add(symbol); |
| } |
| } |
| |
| @Override |
| public int check(@NotNull CharSequence text, int start, int end) { |
| for (int i = start; i < end; i++) { |
| char c = text.charAt(i); |
| if (!myWhiteSpaceSymbols.contains(c)) { |
| return i; |
| } |
| } |
| return end; |
| } |
| } |