third_party/WebKit/Source/core/svg/SVGZoomAndPan.cpp

   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  * Copyright (C) 2014 Samsung Electronics. All rights reserved.
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public License
  17  * along with this library; see the file COPYING.LIB.  If not, write to
  18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  19  * Boston, MA 02110-1301, USA.
  20  */
  21
  22 #include "config.h"
  23 #include "core/svg/SVGZoomAndPan.h"
  24
  25 #include "core/svg/SVGParserUtilities.h"
  26
  27 namespace blink {
  28
  29 SVGZoomAndPan::SVGZoomAndPan()
  30     : m_zoomAndPan(SVGZoomAndPanMagnify)
  31 {
  32 }
  33
  34 void SVGZoomAndPan::resetZoomAndPan()
  35 {
  36     m_zoomAndPan = SVGZoomAndPanMagnify;
  37 }
  38
  39 bool SVGZoomAndPan::isKnownAttribute(const QualifiedName& attrName)
  40 {
  41     return attrName == SVGNames::zoomAndPanAttr;
  42 }
  43
  44 void SVGZoomAndPan::addSupportedAttributes(HashSet<QualifiedName>& supportedAttributes)
  45 {
  46     supportedAttributes.add(SVGNames::zoomAndPanAttr);
  47 }
  48
  49 static const LChar disable[] =  {'d', 'i', 's', 'a', 'b', 'l', 'e'};
  50 static const LChar magnify[] =  {'m', 'a', 'g', 'n', 'i', 'f', 'y'};
  51
  52 template<typename CharType>
  53 static bool parseZoomAndPanInternal(const CharType*& start, const CharType* end, SVGZoomAndPanType& zoomAndPan)
  54 {
  55     if (skipString(start, end, disable, WTF_ARRAY_LENGTH(disable))) {
  56         zoomAndPan = SVGZoomAndPanDisable;
  57         return true;
  58     }
  59     if (skipString(start, end, magnify, WTF_ARRAY_LENGTH(magnify))) {
  60         zoomAndPan = SVGZoomAndPanMagnify;
  61         return true;
  62     }
  63     return false;
  64 }
  65
  66 bool SVGZoomAndPan::parseZoomAndPan(const LChar*& start, const LChar* end)
  67 {
  68     return parseZoomAndPanInternal(start, end, m_zoomAndPan);
  69 }
  70
  71 bool SVGZoomAndPan::parseZoomAndPan(const UChar*& start, const UChar* end)
  72 {
  73     return parseZoomAndPanInternal(start, end, m_zoomAndPan);
  74 }
  75
  76 }