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129
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.jface.internal.text.html.SingleCharReader;
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14
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131
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15 import dwtx.jface.internal.text.html.HTML2TextReader; // packageimport
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16 import dwtx.jface.internal.text.html.HTMLPrinter; // packageimport
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17 import dwtx.jface.internal.text.html.BrowserInformationControl; // packageimport
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18 import dwtx.jface.internal.text.html.SubstitutionTextReader; // packageimport
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19 import dwtx.jface.internal.text.html.HTMLTextPresenter; // packageimport
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20 import dwtx.jface.internal.text.html.BrowserInput; // packageimport
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21 import dwtx.jface.internal.text.html.BrowserInformationControlInput; // packageimport
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22 import dwtx.jface.internal.text.html.HTMLMessages; // packageimport
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23
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24
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129
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25 import dwt.dwthelper.utils;
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26
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27 import java.io.IOException;
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28 import java.io.Reader;
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29
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30
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31 /**
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32 * <p>
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33 * Moved into this package from <code>dwtx.jface.internal.text.revisions</code>.</p>
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34 */
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35 public abstract class SingleCharReader : Reader {
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36
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37 /**
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38 * @see Reader#read()
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39 */
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40 public abstract int read() throws IOException;
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41
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42 /**
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43 * @see Reader#read(char[],int,int)
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44 */
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45 public int read(char cbuf[], int off, int len) throws IOException {
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46 int end= off + len;
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47 for (int i= off; i < end; i++) {
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48 int ch= read();
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49 if (ch is -1) {
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50 if (i is off)
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51 return -1;
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52 return i - off;
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53 }
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54 cbuf[i]= (char)ch;
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55 }
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56 return len;
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57 }
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58
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59 /**
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60 * @see Reader#ready()
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61 */
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62 public bool ready() throws IOException {
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63 return true;
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64 }
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65
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66 /**
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67 * Returns the readable content as string.
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68 * @return the readable content as string
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69 * @exception IOException in case reading fails
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70 */
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71 public String getString() throws IOException {
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72 StringBuffer buf= new StringBuffer();
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73 int ch;
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74 while ((ch= read()) !is -1) {
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75 buf.append((char)ch);
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76 }
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77 return buf.toString();
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78 }
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79 }
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