mirror of
https://github.com/peterdell/wudsn-ide.git
synced 2024-06-12 20:08:57 +00:00
104 lines
3.0 KiB
Java
104 lines
3.0 KiB
Java
/**
|
|
* Copyright (C) 2009 - 2021 <a href="https://www.wudsn.com" target="_top">Peter Dell</a>
|
|
*
|
|
* This file is part of WUDSN IDE.
|
|
*
|
|
* WUDSN IDE is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* WUDSN IDE is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with WUDSN IDE. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package com.wudsn.ide.hex;
|
|
|
|
import org.eclipse.jface.viewers.ISelection;
|
|
|
|
/**
|
|
* Container class for selections in the hex editor.
|
|
*
|
|
* @author Peter Dell
|
|
*
|
|
*/
|
|
final class HexEditorSelection implements ISelection {
|
|
|
|
private long startOffset;
|
|
private long endOffset;
|
|
private byte[] bytes;
|
|
|
|
/**
|
|
* Creates a new selection.
|
|
*
|
|
* @param startOffset The start offset in the original array, a non-negative
|
|
* number.
|
|
* @param endOffset The end offset in the original array, a non-negative
|
|
* number greater or equal to the start offset.
|
|
* @param bytes The content of the selection, may be empty, not
|
|
* <code>null</code>.
|
|
*/
|
|
public HexEditorSelection(long startOffset, long endOffset, byte[] bytes) {
|
|
|
|
if (startOffset < 0) {
|
|
throw new IllegalArgumentException(
|
|
"Parameter 'startOffset' must not be negative, specified value is " + startOffset + ".");
|
|
}
|
|
if (endOffset < startOffset) {
|
|
throw new IllegalArgumentException("Parameter 'endOffset' must not be smaller than startOffset "
|
|
+ startOffset + ", specified value is " + endOffset + ".");
|
|
}
|
|
if (bytes == null) {
|
|
throw new IllegalArgumentException("Parameter 'bytes' must not be null.");
|
|
}
|
|
this.startOffset = startOffset;
|
|
this.endOffset = endOffset;
|
|
this.bytes = bytes;
|
|
}
|
|
|
|
@Override
|
|
public boolean isEmpty() {
|
|
return bytes.length == 0;
|
|
}
|
|
|
|
/**
|
|
* Gets the start offset of the selection in the original array.
|
|
*
|
|
* @return The start offset in the original array, a non-negative number.
|
|
*
|
|
*/
|
|
public long getStartOffset() {
|
|
return startOffset;
|
|
}
|
|
|
|
/**
|
|
* Gets the end offset in the original array.
|
|
*
|
|
* @return The end offset in the original array, a non-negative number greater
|
|
* or equal to the start offset.
|
|
*/
|
|
public long getEndOffset() {
|
|
return endOffset;
|
|
}
|
|
|
|
/**
|
|
* Gets the content of the selection.
|
|
*
|
|
* @return The content of the selection, may be empty, not <code>null</code> .
|
|
*/
|
|
public byte[] getBytes() {
|
|
return bytes;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "HexEditorSelection from " + startOffset + " to " + endOffset + ": " + bytes.length + " bytes";
|
|
}
|
|
|
|
}
|