| /* |
| * Copyright 2000-2014 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.editor.ex.util; |
| |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.highlighter.HighlighterIterator; |
| import com.intellij.openapi.editor.markup.TextAttributes; |
| import com.intellij.psi.tree.IElementType; |
| |
| /** |
| * @author max |
| */ |
| public class LimitedRangeHighlighterIterator implements HighlighterIterator { |
| private final HighlighterIterator myOriginal; |
| private final int myStartOffset; |
| private final int myEndOffset; |
| |
| |
| public LimitedRangeHighlighterIterator(final HighlighterIterator original, final int startOffset, final int endOffset) { |
| myOriginal = original; |
| myStartOffset = startOffset; |
| myEndOffset = endOffset; |
| } |
| |
| @Override |
| public TextAttributes getTextAttributes() { |
| return myOriginal.getTextAttributes(); |
| } |
| |
| @Override |
| public int getStart() { |
| return Math.max(myOriginal.getStart(), myStartOffset); |
| } |
| |
| @Override |
| public int getEnd() { |
| return Math.min(myOriginal.getEnd(), myEndOffset); |
| } |
| |
| @Override |
| public IElementType getTokenType() { |
| return myOriginal.getTokenType(); |
| } |
| |
| @Override |
| public void advance() { |
| myOriginal.advance(); |
| } |
| |
| @Override |
| public void retreat() { |
| myOriginal.retreat(); |
| } |
| |
| @Override |
| public boolean atEnd() { |
| return myOriginal.atEnd() || myOriginal.getStart() >= myEndOffset || myOriginal.getEnd() <= myStartOffset; |
| } |
| |
| @Override |
| public Document getDocument() { |
| return myOriginal.getDocument(); |
| } |
| } |