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/*******************************************************************************
* Copyright (c) 2000, 2004 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;
/**
* Interface for storing and managing text.
* <p>
* Provides access to the stored text and allows to manipulate it.</p>
* <p>
* Clients may
* implement this interface or use {@link org.eclipse.jface.text.GapTextStore} and
* {@link org.eclipse.jface.text.SequentialRewriteTextStore}.</p>
*/
public interface ITextStore {
/**
* Returns the character at the specified offset.
*
* @param offset the offset in this text store
* @return the character at this offset
*/
char get(int offset);
/**
* Returns the text of the specified character range.
*
* @param offset the offset of the range
* @param length the length of the range
* @return the text of the range
*/
String get(int offset, int length);
/**
* Returns number of characters stored in this text store.
*
* @return the number of characters stored in this text store
*/
int getLength();
/**
* Replaces the specified character range with the given text.
* <code>replace(getLength(), 0, "some text")</code> is a valid
* call and appends text to the end of the text store.
*
* @param offset the offset of the range to be replaced
* @param length the number of characters to be replaced
* @param text the substitution text
*/
void replace(int offset, int length, String text);
/**
* Replace the content of the text store with the given text.
* Convenience method for <code>replace(0, getLength(), text</code>.
*
* @param text the new content of the text store
*/
void set(String text);
}
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