--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/svg/SVGViewSpec.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,172 @@
+/*
+    Copyright (C) 2007, 2010 Rob Buis <buis@kde.org>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public License
+    along with this library; see the file COPYING.LIB.  If not, write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA 02110-1301, USA.
+*/
+
+#include "config.h"
+#if ENABLE(SVG)
+#include "SVGViewSpec.h"
+
+#include "Document.h"
+#include "PlatformString.h"
+#include "SVGParserUtilities.h"
+#include "SVGPreserveAspectRatio.h"
+#include "SVGSVGElement.h"
+#include "SVGTransformList.h"
+#include "SVGTransformable.h"
+
+namespace WebCore {
+
+SVGViewSpec::SVGViewSpec(const SVGSVGElement* contextElement)
+    : SVGFitToViewBox()
+    , SVGZoomAndPan()
+    , m_contextElement(contextElement)
+    , m_transform(SVGTransformList::create(SVGNames::transformAttr))
+{
+}
+
+SVGViewSpec::~SVGViewSpec()
+{
+}
+
+void SVGViewSpec::setTransform(const String& transform)
+{
+    SVGTransformable::parseTransformAttribute(m_transform.get(), transform);
+}
+
+void SVGViewSpec::setViewBoxString(const String& viewBoxStr)
+{
+    FloatRect viewBox;
+    const UChar* c = viewBoxStr.characters();
+    const UChar* end = c + viewBoxStr.length();
+    if (!parseViewBox(m_contextElement->document(), c, end, viewBox, false))
+         return;
+    setViewBoxBaseValue(viewBox);
+}
+
+void SVGViewSpec::setPreserveAspectRatioString(const String& preserve)
+{
+    SVGPreserveAspectRatio::parsePreserveAspectRatio(this, preserve);
+}
+
+void SVGViewSpec::setViewTargetString(const String& viewTargetString)
+{
+    m_viewTargetString = viewTargetString;
+}
+
+SVGElement* SVGViewSpec::viewTarget() const
+{
+    return static_cast<SVGElement*>(m_contextElement->document()->getElementById(m_viewTargetString));
+}
+
+static const UChar svgViewSpec[] = {'s', 'v', 'g', 'V', 'i', 'e', 'w'};
+static const UChar viewBoxSpec[] = {'v', 'i', 'e', 'w', 'B', 'o', 'x'};
+static const UChar preserveAspectRatioSpec[] = {'p', 'r', 'e', 's', 'e', 'r', 'v', 'e', 'A', 's', 'p', 'e', 'c', 't', 'R', 'a', 't', 'i', 'o'};
+static const UChar transformSpec[] = {'t', 'r', 'a', 'n', 's', 'f', 'o', 'r', 'm'};
+static const UChar zoomAndPanSpec[] = {'z', 'o', 'o', 'm', 'A', 'n', 'd', 'P', 'a', 'n'};
+static const UChar viewTargetSpec[] =  {'v', 'i', 'e', 'w', 'T', 'a', 'r', 'g', 'e', 't'};
+
+bool SVGViewSpec::parseViewSpec(const String& viewSpec)
+{
+    const UChar* currViewSpec = viewSpec.characters();
+    const UChar* end = currViewSpec + viewSpec.length();
+
+    if (currViewSpec >= end)
+        return false;
+
+    if (!skipString(currViewSpec, end, svgViewSpec, sizeof(svgViewSpec) / sizeof(UChar)))
+        return false;
+
+    if (currViewSpec >= end || *currViewSpec != '(' )
+        return false;
+    currViewSpec++;
+
+    while (currViewSpec < end && *currViewSpec != ')') {
+        if (*currViewSpec == 'v') {
+            if (skipString(currViewSpec, end, viewBoxSpec, sizeof(viewBoxSpec) / sizeof(UChar))) {
+                if (currViewSpec >= end || *currViewSpec != '(')
+                    return false;
+                currViewSpec++;
+                FloatRect viewBox;
+                if (!parseViewBox(m_contextElement->document(), currViewSpec, end, viewBox, false))
+                    return false;
+                setViewBoxBaseValue(viewBox);
+                if (currViewSpec >= end || *currViewSpec != ')')
+                    return false;
+                currViewSpec++;
+            } else if (skipString(currViewSpec, end, viewTargetSpec, sizeof(viewTargetSpec) / sizeof(UChar))) {
+                if (currViewSpec >= end || *currViewSpec != '(')
+                    return false;
+                const UChar* viewTargetStart = ++currViewSpec;
+                while (currViewSpec < end && *currViewSpec != ')')
+                    currViewSpec++;
+                if (currViewSpec >= end)
+                    return false;
+                setViewTargetString(String(viewTargetStart, currViewSpec - viewTargetStart));
+                currViewSpec++;
+            } else
+                return false;
+        } else if (*currViewSpec == 'z') {
+            if (!skipString(currViewSpec, end, zoomAndPanSpec, sizeof(zoomAndPanSpec) / sizeof(UChar)))
+                return false;
+            if (currViewSpec >= end || *currViewSpec != '(')
+                return false;
+            currViewSpec++;
+            if (!parseZoomAndPan(currViewSpec, end))
+                return false;
+            if (currViewSpec >= end || *currViewSpec != ')')
+                return false;
+            currViewSpec++;
+        } else if (*currViewSpec == 'p') {
+            if (!skipString(currViewSpec, end, preserveAspectRatioSpec, sizeof(preserveAspectRatioSpec) / sizeof(UChar)))
+                return false;
+            if (currViewSpec >= end || *currViewSpec != '(')
+                return false;
+            currViewSpec++;
+            bool result = false; 
+            setPreserveAspectRatioBaseValue(SVGPreserveAspectRatio::parsePreserveAspectRatio(currViewSpec, end, false, result));
+            if (!result)
+                return false;
+            if (currViewSpec >= end || *currViewSpec != ')')
+                return false;
+            currViewSpec++;
+        } else if (*currViewSpec == 't') {
+            if (!skipString(currViewSpec, end, transformSpec, sizeof(transformSpec) / sizeof(UChar)))
+                return false;
+            if (currViewSpec >= end || *currViewSpec != '(')
+                return false;
+            currViewSpec++;
+            SVGTransformable::parseTransformAttribute(m_transform.get(), currViewSpec, end, SVGTransformable::DoNotClearList);
+            if (currViewSpec >= end || *currViewSpec != ')')
+                return false;
+            currViewSpec++;
+        } else
+            return false;
+
+        if (currViewSpec < end && *currViewSpec == ';')
+            currViewSpec++;
+    }
+    
+    if (currViewSpec >= end || *currViewSpec != ')')
+        return false;
+
+    return true;
+}
+
+}
+
+#endif // ENABLE(SVG)