content: // COPIED FROM org.eclipse.jface.internal.text.html
  // to get around "discouraged access" errors
  /*******************************************************************************
   * 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.wst.jsdt.internal.ui.text.html;
  
  import java.io.IOException;
  import java.io.Reader;
  
  
  /**
   * <p>
   * Moved into this package from <code>org.eclipse.jface.internal.text.revisions</code>.</p>
   */
  public abstract class SingleCharReader extends Reader {
  
  	/**
  	 * @see Reader#read()
  	 */
  	public abstract int read() throws IOException;
  
  	/**
  	 * @see Reader#read(char[],int,int)
  	 */
  	public int read(char cbuf[], int off, int len) throws IOException {
  		int end= off + len;
  		for (int i= off; i < end; i++) {
  			int ch= read();
  			if (ch == -1) {
  				if (i == off)
  					return -1;
  				return i - off;
  			}
  			cbuf[i]= (char)ch;
  		}
  		return len;
  	}
  
  	/**
  	 * @see Reader#ready()
  	 */
      public boolean ready() throws IOException {
  		return true;
  	}
  
  	/**
  	 * Returns the readable content as string.
  	 * @return the readable content as string
  	 * @exception IOException in case reading fails
  	 */
  	public String getString() throws IOException {
  		StringBuffer buf= new StringBuffer();
  		int ch;
  		while ((ch= read()) != -1) {
  			buf.append((char)ch);
  		}
  		return buf.toString();
  	}
  }
  