/*******************************************************************************
* Copyright (c) 2000, 2007 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jface.text;
import org.eclipse.core.runtime.Assert;
/**
* An {@link org.eclipse.jface.text.IDocument} that is a read-only clone of another document.
*
* @since 3.0
*/
class DocumentClone extends AbstractDocument {
private static class StringTextStore implements ITextStore {
private String fContent;
/**
* Creates a new string text store with the given content.
*
* @param content the content
*/
public StringTextStore(String content) {
Assert.isNotNull(content);
fContent= content;
}
/*
* @see org.eclipse.jface.text.ITextStore#get(int)
*/
public char get(int offset) {
return fContent.charAt(offset);
}
/*
* @see org.eclipse.jface.text.ITextStore#get(int, int)
*/
public String get(int offset, int length) {
return fContent.substring(offset, offset + length);
}
/*
* @see org.eclipse.jface.text.ITextStore#getLength()
*/
public int getLength() {
return fContent.length();
}
/*
* @see org.eclipse.jface.text.ITextStore#replace(int, int, java.lang.String)
*/
public void replace(int offset, int length, String text) {
}
/*
* @see org.eclipse.jface.text.ITextStore#set(java.lang.String)
*/
public void set(String text) {
}
}
/**
* Creates a new document clone with the given content.
*
* @param content the content
* @param lineDelimiters the line delimiters
*/
public DocumentClone(String content, String[] lineDelimiters) {
super();
setTextStore(new StringTextStore(content));
ConfigurableLineTracker tracker= new ConfigurableLineTracker(lineDelimiters);
setLineTracker(tracker);
getTracker().set(content);
completeInitialization();
}
}
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