| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.console; |
| |
| |
| import org.eclipse.jface.text.TypedRegion; |
| |
| /** |
| * A partition from an input/output stream connected to the console. |
| */ |
| public abstract class StreamPartition extends TypedRegion { |
| |
| /** |
| * Stream identifier |
| */ |
| private String fStreamIdentifier; |
| |
| public StreamPartition(String streamIdentifier, int offset, int length, String type) { |
| super(offset, length, type); |
| fStreamIdentifier = streamIdentifier; |
| } |
| |
| |
| /** |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object partition) { |
| if (super.equals(partition)) { |
| fStreamIdentifier.equals(((StreamPartition)partition).getStreamIdentifier()); |
| } |
| return false; |
| } |
| |
| /** |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return super.hashCode() + fStreamIdentifier.hashCode(); |
| } |
| |
| /** |
| * Returns this partition's stream identifier |
| * |
| * @return this partition's stream identifier |
| */ |
| public String getStreamIdentifier() { |
| return fStreamIdentifier; |
| } |
| |
| /** |
| * Returns whether this partition is allowed to be combined with the |
| * given partition. |
| * |
| * @param partition |
| * @return boolean |
| */ |
| public boolean canBeCombinedWith(StreamPartition partition) { |
| int start = getOffset(); |
| int end = start + getLength(); |
| int otherStart = partition.getOffset(); |
| int otherEnd = otherStart + partition.getLength(); |
| boolean overlap = (otherStart >= start && otherStart <= end) || (start >= otherStart && start <= otherEnd); |
| return overlap && getType().equals(partition.getType()) && getStreamIdentifier().equals(partition.getStreamIdentifier()); |
| } |
| |
| /** |
| * Returns a new partition representing this and the given parition |
| * combined. |
| * |
| * @param partition |
| * @return partition |
| */ |
| public StreamPartition combineWith(StreamPartition partition) { |
| int start = getOffset(); |
| int end = start + getLength(); |
| int otherStart = partition.getOffset(); |
| int otherEnd = otherStart + partition.getLength(); |
| int theStart = Math.min(start, otherStart); |
| int theEnd = Math.max(end, otherEnd); |
| return createNewPartition(getStreamIdentifier(), theStart, theEnd - theStart); |
| } |
| |
| /** |
| * Creates a new patition of this type with the given color, offset, |
| * and length. |
| * |
| * @param streamIdentifer |
| * @param offset |
| * @param length |
| * @return ColorPartition |
| */ |
| public abstract StreamPartition createNewPartition(String streamIdentifier, int offset, int length); |
| } |