--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/versit/qvcard30writer.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,168 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, 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.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qvcard30writer_p.h"
+#include "versitutils_p.h"
+#include "qmobilityglobal.h"
+#include <QTextCodec>
+#include <QBuffer>
+
+QTM_USE_NAMESPACE
+
+/*! Constructs a writer. */
+QVCard30Writer::QVCard30Writer()
+    : QVersitDocumentWriter(QByteArray("VCARD"),QByteArray("3.0"))
+{
+    mPropertyNameMappings.insert(
+        QLatin1String("X-NICKNAME"),QLatin1String("NICKNAME"));
+    mPropertyNameMappings.insert(
+        QLatin1String("X-IMPP"),QLatin1String("IMPP"));
+}
+
+/*! Destroys a writer. */
+QVCard30Writer::~QVCard30Writer()
+{
+}
+
+/*!
+ * Encodes the \a property and writes it to the device.
+ */
+void QVCard30Writer::encodeVersitProperty(const QVersitProperty& property)
+{
+    QVersitProperty modifiedProperty(property);
+    QString name = mPropertyNameMappings.value(property.name(),property.name());
+    modifiedProperty.setName(name);
+    encodeGroupsAndName(modifiedProperty);
+
+    QVariant variant(modifiedProperty.variantValue());
+    if (variant.type() == QVariant::ByteArray) {
+        modifiedProperty.insertParameter(QLatin1String("ENCODING"), QLatin1String("b"));
+    }
+    encodeParameters(modifiedProperty.parameters());
+    writeString(QLatin1String(":"));
+
+    QString renderedValue;
+    if (variant.canConvert<QVersitDocument>()) {
+        QVersitDocument embeddedDocument = variant.value<QVersitDocument>();
+        QByteArray data;
+        QBuffer buffer(&data);
+        buffer.open(QIODevice::WriteOnly);
+        QVCard30Writer subWriter;
+        subWriter.setCodec(mCodec);
+        subWriter.setDevice(&buffer);
+        subWriter.encodeVersitDocument(embeddedDocument);
+        QString documentString(mCodec->toUnicode(data));
+        backSlashEscape(documentString);
+        renderedValue = documentString;
+    } else if (variant.type() == QVariant::String) {
+        renderedValue = variant.toString();
+        backSlashEscape(renderedValue);
+    } else if (variant.type() == QVariant::StringList) {
+        // We need to backslash escape and concatenate the values in the list
+        QStringList values = property.variantValue().toStringList();
+        QString separator;
+        if (property.valueType() == QVersitProperty::CompoundType) {
+            separator = QLatin1String(";");
+        } else {
+            if (property.valueType() != QVersitProperty::ListType) {
+                qWarning("Variant value is a QStringList but the property's value type is neither "
+                         "CompoundType or ListType");
+            }
+            // Assume it's a ListType
+            separator = QLatin1String(",");
+        }
+        bool first = true;
+        foreach (QString value, values) {
+            if (!(value.isEmpty() && property.valueType() == QVersitProperty::ListType)) {
+                if (!first) {
+                    renderedValue += separator;
+                }
+                backSlashEscape(value);
+                renderedValue += value;
+                first = false;
+            }
+        }
+    } else if (variant.type() == QVariant::ByteArray) {
+        renderedValue = QLatin1String(variant.toByteArray().toBase64().data());
+    }
+    writeString(renderedValue);
+    writeCrlf();
+}
+
+/*!
+ * Encodes the \a parameters and writes it to the device.
+ */
+void QVCard30Writer::encodeParameters(const QMultiHash<QString,QString>& parameters)
+{
+    QList<QString> names = parameters.uniqueKeys();
+    foreach (QString nameString, names) {
+        writeString(QLatin1String(";"));
+        QStringList values = parameters.values(nameString);
+        backSlashEscape(nameString);
+        writeString(nameString);
+        writeString(QLatin1String("="));
+        for (int i=0; i<values.size(); i++) {
+            if (i > 0)
+                writeString(QLatin1String(","));
+            QString value = values.at(i);
+
+            backSlashEscape(value);
+            writeString(value);
+        }
+    }
+}
+
+
+/*!
+ * Performs backslash escaping for line breaks (CRLFs), semicolons, backslashes and commas according
+ * to RFC 2426.  This is called on parameter names and values and property values.
+ * Colons ARE NOT escaped because the examples in RFC2426 suggest that they shouldn't be.
+ */
+void QVCard30Writer::backSlashEscape(QString& text)
+{
+    /* replaces ; with \;
+                , with \,
+                \ with \\
+     */
+    text.replace(QRegExp(QLatin1String("([;,\\\\])")), QLatin1String("\\\\1"));
+    // replaces any CRLFs with \n
+    text.replace(QRegExp(QLatin1String("\r\n|\r|\n")), QLatin1String("\\n"));
+}