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1 /*
2  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
3  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public License
16  * along with this library; see the file COPYING.LIB.  If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  */
20 
21 #include "config.h"
22 
23 #if ENABLE(SVG)
24 #include "SVGZoomAndPan.h"
25 
26 #include "Attribute.h"
27 #include "SVGNames.h"
28 #include "SVGParserUtilities.h"
29 
30 namespace WebCore {
31 
setZoomAndPan(unsigned short zoomAndPan)32 void SVGZoomAndPan::setZoomAndPan(unsigned short zoomAndPan)
33 {
34     m_zoomAndPan = zoomAndPan;
35 }
36 
parseMappedAttribute(Attribute * attr)37 bool SVGZoomAndPan::parseMappedAttribute(Attribute* attr)
38 {
39     if (attr->name() == SVGNames::zoomAndPanAttr) {
40         const UChar* start = attr->value().characters();
41         const UChar* end = start + attr->value().length();
42         parseZoomAndPan(start, end);
43         return true;
44     }
45 
46     return false;
47 }
48 
isKnownAttribute(const QualifiedName & attrName)49 bool SVGZoomAndPan::isKnownAttribute(const QualifiedName& attrName)
50 {
51     return attrName == SVGNames::zoomAndPanAttr;
52 }
53 
54 static const UChar disable[] =  {'d', 'i', 's', 'a', 'b', 'l', 'e'};
55 static const UChar magnify[] =  {'m', 'a', 'g', 'n', 'i', 'f', 'y'};
56 
parseZoomAndPan(const UChar * & start,const UChar * end)57 bool SVGZoomAndPan::parseZoomAndPan(const UChar*& start, const UChar* end)
58 {
59     if (skipString(start, end, disable, WTF_ARRAY_LENGTH(disable)))
60         setZoomAndPan(SVG_ZOOMANDPAN_DISABLE);
61     else if (skipString(start, end, magnify, WTF_ARRAY_LENGTH(magnify)))
62         setZoomAndPan(SVG_ZOOMANDPAN_MAGNIFY);
63     else
64         return false;
65 
66     return true;
67 }
68 
69 }
70 
71 #endif // ENABLE(SVG)
72