| /* |
| * 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.impl.highlighting; |
| |
| import com.intellij.openapi.diff.ex.DiffFragment; |
| import com.intellij.openapi.util.text.StringUtil; |
| |
| public abstract class LineBlockDivider { |
| public abstract DiffFragment[][] divide(DiffFragment[] lineBlock); |
| |
| public static final LineBlockDivider SINGLE_SIDE = new LineBlockDivider() { |
| public DiffFragment[][] divide(DiffFragment[] lineBlock) { |
| List2D result = new List2D(); |
| FragmentSide currentSide = null; |
| boolean isNewLineLast = true; |
| for (int i = 0; i < lineBlock.length; i++) { |
| DiffFragment fragment = lineBlock[i]; |
| if (!fragment.isOneSide()) { |
| if (currentSide != null && isNewLineLast) result.newRow(); |
| isNewLineLast = StringUtil.endsWithChar(fragment.getText1(), '\n') && StringUtil.endsWithChar(fragment.getText2(), '\n'); |
| currentSide = null; |
| } else { |
| FragmentSide side = FragmentSide.chooseSide(fragment); |
| if (currentSide != side) { |
| if (isNewLineLast) { |
| result.newRow(); |
| currentSide = side; |
| } else currentSide = null; |
| } |
| isNewLineLast = StringUtil.endsWithChar(side.getText(fragment), '\n'); |
| } |
| result.add(fragment); |
| } |
| return result.toArray(); |
| } |
| }; |
| } |