1 files changed, 212 insertions, 0 deletions
diff --git a/src/libs/installer/persistentsettings.cpp b/src/libs/installer/persistentsettings.cpp
new file mode 100644
index 000000000..8bbfdb62b
--- /dev/null
+++ b/src/libs/installer/persistentsettings.cpp
@@ -0,0 +1,212 @@
+/**************************************************************************
+**
+** This file is part of Installer Framework
+**
+** Copyright (c) 2011-2012 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**************************************************************************/
+
+#include "persistentsettings.h"
+
+#include <QtCore/QDebug>
+#include <QtCore/QFile>
+#include <QtCore/QVariant>
+#include <QtXml/QDomDocument>
+#include <QtXml/QDomCDATASection>
+#include <QtXml/QDomElement>
+
+
+using namespace ProjectExplorer;
+
+PersistentSettingsReader::PersistentSettingsReader()
+{
+}
+
+QVariant PersistentSettingsReader::restoreValue(const QString &variable) const
+{
+    if (m_valueMap.contains(variable))
+        return m_valueMap.value(variable);
+    return QVariant();
+}
+
+QVariantMap PersistentSettingsReader::restoreValues() const
+{
+    return m_valueMap;
+}
+
+bool PersistentSettingsReader::load(const QString &fileName)
+{
+    m_valueMap.clear();
+
+    QFile file(fileName);
+    if (!file.open(QIODevice::ReadOnly))
+        return false;
+
+    QDomDocument doc;
+    if (!doc.setContent(&file))
+        return false;
+
+    QDomElement root = doc.documentElement();
+    if (root.nodeName() != QLatin1String("qtcreator"))
+        return false;
+
+    QDomElement child = root.firstChildElement();
+    for (; !child.isNull(); child = child.nextSiblingElement()) {
+        if (child.nodeName() == QLatin1String("data"))
+            readValues(child);
+    }
+
+    file.close();
+    return true;
+}
+
+QVariant PersistentSettingsReader::readValue(const QDomElement &valElement) const
+{
+    QString name = valElement.nodeName();
+    QString type = valElement.attribute(QLatin1String("type"));
+    QVariant v;
+
+    if (name == QLatin1String("value")) {
+        if(type == QLatin1String("QChar")) {
+            //Workaround: QTBUG-12345
+            v.setValue(QChar(valElement.text().at(0)));
+        } else {
+            v.setValue(valElement.text());
+            v.convert(QVariant::nameToType(type.toLatin1().data()));
+        }
+    } else if (name == QLatin1String("valuelist")) {
+        QDomElement child = valElement.firstChildElement();
+        QList<QVariant> valList;
+        for (; !child.isNull(); child = child.nextSiblingElement()) {
+            valList << readValue(child);
+        }
+        v.setValue(valList);
+    } else if (name == QLatin1String("valuemap")) {
+        QDomElement child = valElement.firstChildElement();
+        QMap<QString, QVariant> valMap;
+        for (; !child.isNull(); child = child.nextSiblingElement()) {
+            QString key = child.attribute(QLatin1String("key"));
+            valMap.insert(key, readValue(child));
+        }
+        v.setValue(valMap);
+    }
+
+    return v;
+}
+
+void PersistentSettingsReader::readValues(const QDomElement &data)
+{
+    QString variable;
+    QVariant v;
+
+    QDomElement child = data.firstChildElement();
+    for (; !child.isNull(); child = child.nextSiblingElement()) {
+        if (child.nodeName() == QLatin1String("variable"))
+            variable = child.text();
+        else
+            v = readValue(child);
+    }
+
+    m_valueMap.insert(variable, v);
+}
+
+///
+///  PersistentSettingsWriter
+///
+
+PersistentSettingsWriter::PersistentSettingsWriter()
+{
+}
+
+void PersistentSettingsWriter::writeValue(QDomElement &ps, const QVariant &variant)
+{
+    if (variant.type() == QVariant::StringList || variant.type() == QVariant::List) {
+        QDomElement values = ps.ownerDocument().createElement(QLatin1String("valuelist"));
+        values.setAttribute(QLatin1String("type"), QLatin1String(QVariant::typeToName(QVariant::List)));
+        QList<QVariant> varList = variant.toList();
+        foreach (const QVariant &var, varList) {
+            writeValue(values, var);
+        }
+        ps.appendChild(values);
+    } else if (variant.type() == QVariant::Map) {
+        QDomElement values = ps.ownerDocument().createElement(QLatin1String("valuemap"));
+        values.setAttribute(QLatin1String("type"), QLatin1String(QVariant::typeToName(QVariant::Map)));
+
+        QMap<QString, QVariant> varMap = variant.toMap();
+        QMap<QString, QVariant>::const_iterator i = varMap.constBegin();
+        while (i != varMap.constEnd()) {
+            writeValue(values, i.value());
+            values.lastChild().toElement().
+                setAttribute(QLatin1String("key"), i.key());
+            ++i;
+        }
+
+        ps.appendChild(values);
+    } else {
+        QDomElement value = ps.ownerDocument().createElement(QLatin1String("value"));
+        ps.appendChild(value);
+        QDomText valueText = ps.ownerDocument().createTextNode(variant.toString());
+        value.appendChild(valueText);
+        value.setAttribute(QLatin1String("type"), QLatin1String(variant.typeName()));
+        ps.appendChild(value);
+    }
+}
+
+void PersistentSettingsWriter::saveValue(const QString &variable, const QVariant &value)
+{
+    m_valueMap[variable] = value;
+}
+
+bool PersistentSettingsWriter::save(const QString &fileName, const QString &docType)
+{
+    QFile file(fileName);
+    if (!file.open(QIODevice::WriteOnly))
+        return false;
+
+    QDomDocument doc(docType);
+
+    QDomElement root = doc.createElement(QLatin1String("qtcreator"));
+    doc.appendChild(root);
+
+    QMap<QString, QVariant>::const_iterator i = m_valueMap.constBegin();
+    while (i != m_valueMap.constEnd()) {
+        QDomElement ps = doc.createElement(QLatin1String("data"));
+        root.appendChild(ps);
+
+        QDomElement variable = doc.createElement(QLatin1String("variable"));
+        ps.appendChild(variable);
+        QDomText variableText = doc.createTextNode(i.key());
+        variable.appendChild(variableText);
+
+        writeValue(ps, i.value());
+        ++i;
+    }
+
+    file.write(doc.toByteArray());
+    file.close();
+    return true;
+}