| /* |
| * Copyright 2000-2009 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.openapi.diff; |
| |
| import com.intellij.util.ArrayUtil; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class LineTokenizer extends LineTokenizerBase<String> { |
| private final char[] myChars; |
| private final String myText; |
| |
| public LineTokenizer(@NotNull String text) { |
| myChars = text.toCharArray(); |
| myText = text; |
| } |
| |
| @NotNull |
| public String[] execute() { |
| ArrayList<String> lines = new ArrayList<String>(); |
| doExecute(lines); |
| return ArrayUtil.toStringArray(lines); |
| } |
| |
| @Override |
| protected void addLine(List<String> lines, int start, int end, boolean appendNewLine) { |
| if (appendNewLine) { |
| lines.add(myText.substring(start, end) + "\n"); |
| } |
| else { |
| lines.add(myText.substring(start, end)); |
| } |
| } |
| |
| @Override |
| protected char charAt(int index) { |
| return myChars[index]; |
| } |
| |
| @Override |
| protected int length() { |
| return myChars.length; |
| } |
| |
| @NotNull |
| @Override |
| protected String substring(int start, int end) { |
| return myText.substring(start, end); |
| } |
| |
| @NotNull |
| public static String concatLines(@NotNull String[] lines) { |
| StringBuilder buffer = new StringBuilder(); |
| for (String line : lines) { |
| buffer.append(line); |
| } |
| return buffer.substring(0, buffer.length()); |
| } |
| |
| @NotNull |
| public static String correctLineSeparators(@NotNull String text) { |
| return concatLines(new LineTokenizer(text).execute()); |
| } |
| |
| } |