| /******************************************************************************* |
| * Copyright (c) 2012 Stefan Seelmann and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Stefan Seelmann - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.wikitext.asciidoc.core.util; |
| |
| import org.eclipse.mylyn.wikitext.core.parser.MarkupParser; |
| import org.eclipse.mylyn.wikitext.core.parser.markup.Block; |
| import org.eclipse.mylyn.wikitext.core.parser.markup.ContentState; |
| |
| /** |
| * Adapter {@link Block} for {@link ReadAheadBlock}s. |
| * |
| * @author Stefan Seelmann |
| * @author Max Rydahl Andersen |
| */ |
| public class ReadAheadDispatcher extends Block { |
| |
| private final LookAheadReader lookAheadReader; |
| |
| private Block[] blocks; |
| |
| private Block dispatchedBlock; |
| |
| public ReadAheadDispatcher(Block... blocks) { |
| this.blocks = blocks; |
| this.lookAheadReader = new LookAheadReader(); |
| } |
| |
| @Override |
| public boolean canStart(String line, int lineOffset) { |
| dispatchedBlock = null; |
| return true; |
| } |
| |
| @Override |
| protected int processLineContent(String line, int offset) { |
| if (dispatchedBlock == null) { |
| lookAheadReader.setContentState(getState()); |
| for (Block block : blocks) { |
| if (block instanceof ReadAheadBlock) { |
| ReadAheadBlock raBlock = ReadAheadBlock.class.cast(block); |
| if (raBlock.canStart(line, offset, lookAheadReader)) { |
| dispatchedBlock = block; |
| break; |
| } |
| } else { |
| if (block.canStart(line, offset)) { |
| dispatchedBlock = block; |
| break; |
| } |
| } |
| } |
| } |
| |
| int result = dispatchedBlock.processLine(line, offset); |
| if (dispatchedBlock.isClosed()) { |
| setClosed(true); |
| } |
| return result; |
| } |
| |
| @Override |
| public void setClosed(boolean closed) { |
| dispatchedBlock.setClosed(closed); |
| super.setClosed(closed); |
| } |
| |
| @Override |
| public void setState(ContentState state) { |
| for (Block block : blocks) { |
| block.setState(state); |
| } |
| super.setState(state); |
| } |
| |
| @Override |
| public void setParser(MarkupParser parser) { |
| for (Block block : blocks) { |
| block.setParser(parser); |
| } |
| super.setParser(parser); |
| } |
| |
| @Override |
| public Block clone() { |
| ReadAheadDispatcher clone = (ReadAheadDispatcher) super.clone(); |
| Block[] clonedBlocks = new Block[blocks.length]; |
| int i = 0; |
| for (Block block : blocks) { |
| clonedBlocks[i++] = block.clone(); |
| } |
| clone.blocks = clonedBlocks; |
| return clone; |
| } |
| |
| } |