--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ginebra2/ContentViews/ViewportMetaDataParser.cpp	Tue Jun 29 00:46:29 2010 -0400
@@ -0,0 +1,156 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU Lesser General Public License as published by
+* the Free Software Foundation, version 2.1 of the License.
+*
+* This program 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 Lesser General Public License for more details.
+*
+* You should have received a copy of the GNU Lesser General Public License
+* along with this program.  If not,
+* see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/".
+*
+* Description:
+*
+*/
+
+#include "ViewportMetaDataParser.h"
+
+namespace GVA {
+
+ViewportMetaDataParser::ViewportMetaDataParser(const QRect& clientRect)
+            : m_clientRect(clientRect)
+{}
+
+ViewportMetaDataParser::~ViewportMetaDataParser()
+{}
+
+ViewportMetaData ViewportMetaDataParser::parse(const QString& viewportParams)
+{
+    ViewportMetaData viewportMetaData = processArguments(viewportParams);
+    viewportMetaData.adjustViewportData(m_clientRect);
+    return viewportMetaData;
+}
+
+
+//W A R N I N G
+//FOLLOWING CODE HAS BEEN TAKEN FROM WebCore/dom/Document.cpp
+//NEED TO REMOVE WHEN QtWebkit provides viewport param API
+
+// Though isspace() considers \t and \v to be whitespace, Win IE doesn't.
+bool ViewportMetaDataParser::isSeparator(QChar c)
+{
+    return c == ' '
+            || c == '\t'
+            || c == '\n'
+            || c == '\r'
+            || c == '='
+            || c == ','
+            || c == '\0'
+            || c == ';';
+}
+
+ViewportMetaData ViewportMetaDataParser::processArguments(const QString& features)
+{
+    int keyBegin, keyEnd;
+    int valueBegin, valueEnd;
+    ViewportMetaData viewportMetaData;
+
+    int i = 0;
+    int length = features.length();
+    QString buffer = features.toLower();
+
+    while (i < length) {
+        // skip to first non-separator, but don't skip past the end of the string
+        while (isSeparator(buffer[i])) {
+            if (i >= length)
+                break;
+            i++;
+        }
+        keyBegin = i;
+
+        // skip to first separator
+        while (!isSeparator(buffer[i]))
+            i++;
+        keyEnd = i;
+
+        // skip to first '=', but don't skip past a ',' or the end of the string
+        while (buffer[i] != '=') {
+            if (buffer[i] == ',' || i >= length)
+                break;
+            i++;
+        }
+        // skip to first non-separator, but don't skip past a ',' or the end of the string
+        while (isSeparator(buffer[i])) {
+            if (buffer[i] == ',' || i >= length)
+                break;
+            i++;
+        }
+        valueBegin = i;
+
+        // skip to first separator
+        while (!isSeparator(buffer[i]))
+            i++;
+        valueEnd = i;
+
+        Q_ASSERT(i <= length);
+
+        QString keyString = buffer.mid(keyBegin, keyEnd - keyBegin);
+        QString valueString = buffer.mid(valueBegin, valueEnd - valueBegin);
+        setViewportFeature(keyString, valueString, viewportMetaData);
+    }
+    return viewportMetaData;
+}
+
+void ViewportMetaDataParser::setViewportFeature(const QString& keyString, const QString& valueString, ViewportMetaData& viewportMetaData)
+{
+    float value = ViewportMetaData::ValueUndefined;
+
+    if (QString::compare(valueString, "device-width", Qt::CaseInsensitive) == 0)
+        value = m_clientRect.width();
+    else if (QString::compare(valueString, "device-height", Qt::CaseInsensitive) == 0)
+        value = m_clientRect.height();
+    else if (QString::compare(valueString, "default", Qt::CaseInsensitive) == 0) {
+        // This allows us to distinguish the omission of a key from asking for the default value.
+        value = -2;
+    }
+    else if (valueString.length()) {
+        // listing a key with no value is shorthand for key=default
+        value = valueString.toDouble();
+    }
+
+    if (keyString == "initial-scale") {
+        viewportMetaData.m_initialScale = value;
+        viewportMetaData.setFlag(ViewportMetaData::UserDefinedInitialScale,true);
+    }
+    else if (keyString == "minimum-scale") {
+        viewportMetaData.m_minimumScale = value;
+        viewportMetaData.m_specifiedData.m_minScale = value;
+        viewportMetaData.setFlag(ViewportMetaData::UserDefinedMinumumScale,true);
+    }
+    else if (keyString == "maximum-scale") {
+        viewportMetaData.m_maximumScale = value;
+        viewportMetaData.setFlag(ViewportMetaData::UserDefinedMaximumScale,true);
+    }
+    else if (keyString == "user-scalable") {
+        if (QString::compare(valueString, "yes", Qt::CaseInsensitive) == 0)
+            viewportMetaData.m_userScalable = true;
+        else
+            viewportMetaData.m_userScalable = false;
+    }
+    else if (keyString == "width") {
+        viewportMetaData.m_width = value;
+        viewportMetaData.m_specifiedData.m_width = valueString;
+    }
+    else if (keyString == "height") {
+        viewportMetaData.m_height = value;
+        viewportMetaData.m_specifiedData.m_height = valueString;
+    }
+}
+
+} //namespace GVA