Mercurial > projects > dwt-addons
annotate dwtx/jface/text/hyperlink/URLHyperlinkDetector.d @ 158:25f1f92fa3df
...
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Tue, 26 Aug 2008 02:46:34 +0200 |
| parents | 26688fec6d23 |
| children |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2007 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Benjamin Muskalla <b.muskalla@gmx.net> - https://bugs.eclipse.org/bugs/show_bug.cgi?id=156433 | |
| 11 * Port to the D programming language: | |
| 12 * Frank Benoit <benoit@tionex.de> | |
| 13 *******************************************************************************/ | |
| 14 module dwtx.jface.text.hyperlink.URLHyperlinkDetector; | |
| 15 | |
| 131 | 16 import dwtx.jface.text.hyperlink.IHyperlinkPresenterExtension; // packageimport |
| 17 import dwtx.jface.text.hyperlink.MultipleHyperlinkPresenter; // packageimport | |
| 18 import dwtx.jface.text.hyperlink.HyperlinkManager; // packageimport | |
| 19 import dwtx.jface.text.hyperlink.URLHyperlink; // packageimport | |
| 20 import dwtx.jface.text.hyperlink.IHyperlinkDetectorExtension2; // packageimport | |
| 21 import dwtx.jface.text.hyperlink.IHyperlinkDetector; // packageimport | |
| 22 import dwtx.jface.text.hyperlink.IHyperlinkPresenter; // packageimport | |
| 23 import dwtx.jface.text.hyperlink.DefaultHyperlinkPresenter; // packageimport | |
| 24 import dwtx.jface.text.hyperlink.AbstractHyperlinkDetector; // packageimport | |
| 25 import dwtx.jface.text.hyperlink.IHyperlinkDetectorExtension; // packageimport | |
| 26 import dwtx.jface.text.hyperlink.HyperlinkMessages; // packageimport | |
| 27 import dwtx.jface.text.hyperlink.IHyperlink; // packageimport | |
| 28 | |
| 129 | 29 import dwt.dwthelper.utils; |
| 30 | |
| 158 | 31 import dwtx.dwtxhelper.MalformedURLException; |
| 32 import dwtx.dwtxhelper.URL; | |
| 33 import dwtx.dwtxhelper.StringTokenizer; | |
| 129 | 34 |
| 35 import dwtx.jface.text.BadLocationException; | |
| 36 import dwtx.jface.text.IDocument; | |
| 37 import dwtx.jface.text.IRegion; | |
| 38 import dwtx.jface.text.ITextViewer; | |
| 39 import dwtx.jface.text.Region; | |
| 40 | |
| 41 | |
| 42 /** | |
| 43 * URL hyperlink detector. | |
| 44 * | |
| 45 * @since 3.1 | |
| 46 */ | |
| 47 public class URLHyperlinkDetector : AbstractHyperlinkDetector { | |
| 48 | |
| 49 | |
| 50 /** | |
| 51 * Creates a new URL hyperlink detector. | |
| 52 * | |
| 53 * @since 3.2 | |
| 54 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
55 public this() { |
| 129 | 56 } |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
133
diff
changeset
|
57 |
| 129 | 58 /** |
| 59 * Creates a new URL hyperlink detector. | |
| 60 * | |
| 61 * @param textViewer the text viewer in which to detect the hyperlink | |
| 62 * @deprecated As of 3.2, replaced by {@link URLHyperlinkDetector} | |
| 63 */ | |
|
133
7d818bd32d63
Fix ctors to this with gvim regexp
Frank Benoit <benoit@tionex.de>
parents:
131
diff
changeset
|
64 public this(ITextViewer textViewer) { |
| 129 | 65 } |
| 66 | |
| 67 /* | |
| 68 * @see dwtx.jface.text.hyperlink.IHyperlinkDetector#detectHyperlinks(dwtx.jface.text.ITextViewer, dwtx.jface.text.IRegion, bool) | |
| 69 */ | |
| 70 public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, bool canShowMultipleHyperlinks) { | |
| 71 if (region is null || textViewer is null) | |
| 72 return null; | |
| 73 | |
| 74 IDocument document= textViewer.getDocument(); | |
| 75 | |
| 76 int offset= region.getOffset(); | |
| 77 | |
| 78 String urlString= null; | |
| 79 if (document is null) | |
| 80 return null; | |
| 81 | |
| 82 IRegion lineInfo; | |
| 83 String line; | |
| 84 try { | |
| 85 lineInfo= document.getLineInformationOfOffset(offset); | |
| 86 line= document.get(lineInfo.getOffset(), lineInfo.getLength()); | |
| 87 } catch (BadLocationException ex) { | |
| 88 return null; | |
| 89 } | |
| 90 | |
| 91 int offsetInLine= offset - lineInfo.getOffset(); | |
| 92 | |
| 93 bool startDoubleQuote= false; | |
| 94 int urlOffsetInLine= 0; | |
| 95 int urlLength= 0; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
133
diff
changeset
|
96 |
| 129 | 97 int urlSeparatorOffset= line.indexOf("://"); //$NON-NLS-1$ |
| 98 while (urlSeparatorOffset >= 0) { | |
| 99 | |
| 100 // URL protocol (left to "://") | |
| 101 urlOffsetInLine= urlSeparatorOffset; | |
| 102 char ch; | |
| 103 do { | |
| 104 urlOffsetInLine--; | |
| 105 ch= ' '; | |
| 106 if (urlOffsetInLine > -1) | |
| 107 ch= line.charAt(urlOffsetInLine); | |
| 108 startDoubleQuote= ch is '"'; | |
| 109 } while (Character.isUnicodeIdentifierStart(ch)); | |
| 110 urlOffsetInLine++; | |
| 111 | |
| 112 // Right to "://" | |
| 113 StringTokenizer tokenizer= new StringTokenizer(line.substring(urlSeparatorOffset + 3), " \t\n\r\f<>", false); //$NON-NLS-1$ | |
| 114 if (!tokenizer.hasMoreTokens()) | |
| 115 return null; | |
| 116 | |
| 117 urlLength= tokenizer.nextToken().length() + 3 + urlSeparatorOffset - urlOffsetInLine; | |
| 118 if (offsetInLine >= urlOffsetInLine && offsetInLine <= urlOffsetInLine + urlLength) | |
| 119 break; | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
133
diff
changeset
|
120 |
| 129 | 121 urlSeparatorOffset= line.indexOf("://", urlSeparatorOffset + 1); //$NON-NLS-1$ |
| 122 } | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
133
diff
changeset
|
123 |
| 129 | 124 if (urlSeparatorOffset < 0) |
| 125 return null; | |
| 126 | |
| 127 if (startDoubleQuote) { | |
| 128 int endOffset= -1; | |
| 129 int nextDoubleQuote= line.indexOf('"', urlOffsetInLine); | |
| 130 int nextWhitespace= line.indexOf(' ', urlOffsetInLine); | |
| 131 if (nextDoubleQuote !is -1 && nextWhitespace !is -1) | |
| 132 endOffset= Math.min(nextDoubleQuote, nextWhitespace); | |
| 133 else if (nextDoubleQuote !is -1) | |
| 134 endOffset= nextDoubleQuote; | |
| 135 else if (nextWhitespace !is -1) | |
| 136 endOffset= nextWhitespace; | |
| 137 if (endOffset !is -1) | |
| 138 urlLength= endOffset - urlOffsetInLine; | |
| 139 } | |
| 140 | |
| 141 // Set and validate URL string | |
| 142 try { | |
| 143 urlString= line.substring(urlOffsetInLine, urlOffsetInLine + urlLength); | |
| 144 new URL(urlString); | |
| 145 } catch (MalformedURLException ex) { | |
| 146 urlString= null; | |
| 147 return null; | |
| 148 } | |
| 149 | |
| 150 IRegion urlRegion= new Region(lineInfo.getOffset() + urlOffsetInLine, urlLength); | |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
133
diff
changeset
|
151 return [new URLHyperlink(urlRegion, urlString)]; |
| 129 | 152 } |
| 153 | |
| 154 } |