diff -r 000000000000 -r 876b1a06bc25 src/versit/qversitdocumentwriter_p.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/versit/qversitdocumentwriter_p.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,175 @@
+/****************************************************************************
+**
+** 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 "qversitdocumentwriter_p.h"
+#include "versitutils_p.h"
+#include <QTextCodec>
+
+QTM_USE_NAMESPACE
+
+#define MAX_LINE_LENGTH 76
+
+/*!
+  \class QVersitDocumentWriter
+  \internal
+  \brief The QVersitDocumentWriter class provides an interface for writing a
+  single versit document into a vCard text string.
+ */
+
+/*! Constructs a writer.
+ * \a documentType is the type of Versit document, as printed on the BEGIN line of output
+ * eg. "VCARD"
+ * \a version is the version of the Versit format, as printed on the VERSION line of output.
+ * eg. "2.1"
+ */
+QVersitDocumentWriter::QVersitDocumentWriter(
+    const QByteArray& documentType,
+    const QByteArray& version)
+    : mDocumentType(documentType),
+    mVersion(version),
+    mCodec(0),
+    mEncoder(0),
+    mUtf8Encoder(QTextCodec::codecForName("UTF-8")->makeEncoder()),
+    mSuccessful(true),
+    mCurrentLineLength(0)
+{
+    // Hack so the encoder doesn't output a byte order mark for UTF-8.
+    mUtf8Encoder->fromUnicode(QString());
+}
+
+QVersitDocumentWriter::~QVersitDocumentWriter()
+{
+    if (mEncoder)
+        delete mEncoder;
+    delete mUtf8Encoder;
+}
+
+/*!
+  Sets the codec to write with.
+  */
+void QVersitDocumentWriter::setCodec(QTextCodec *codec)
+{
+    if (mEncoder)
+        delete mEncoder;
+    mCodec = codec;
+    mEncoder = codec->makeEncoder();
+
+    // Hack so the encoder doesn't output a byte order mark for UTF-8.
+    if (mCodec->name() == "UTF-8")
+        mEncoder->fromUnicode(QString());
+}
+
+/*!
+  Sets the device to write to.
+  */
+void QVersitDocumentWriter::setDevice(QIODevice *device)
+{
+    mDevice = device;
+}
+
+/*!
+* Encodes the \a document and writes it to the device
+*/
+void QVersitDocumentWriter::encodeVersitDocument(const QVersitDocument& document)
+{
+    mSuccessful = true;
+    QList<QVersitProperty> properties = document.properties();
+
+    writeString(QLatin1String("BEGIN:" + mDocumentType));
+    writeCrlf();
+    writeString(QLatin1String("VERSION:" + mVersion));
+    writeCrlf();
+    foreach (const QVersitProperty& property, properties) {
+        encodeVersitProperty(property);
+    }
+    writeString(QLatin1String("END:" + mDocumentType));
+    writeCrlf();
+}
+
+/*!
+ * Encodes the groups and name in the \a property and writes it to the device
+ */
+void QVersitDocumentWriter::encodeGroupsAndName(const QVersitProperty& property)
+{
+    QStringList groups = property.groups();
+    if (!groups.isEmpty()) {
+        writeString(groups.join(QLatin1String(".")));
+        writeString(QLatin1String("."));
+    }
+    writeString(property.name());
+}
+
+/*!
+  Writes \a string to the device.
+  If \a useUtf8 is true, uses the UTF-8 codec instead of the one set in setCodec().
+
+  This function tracks how many characters have been written to the line and folds (wraps) the line
+  according to RFC2425.
+  */
+void QVersitDocumentWriter::writeString(const QString &string, bool useUtf8)
+{
+    QString value(string); // nonconst copy
+    QTextEncoder* encoder = useUtf8 ? mUtf8Encoder : mEncoder;
+    int spaceRemaining = MAX_LINE_LENGTH - mCurrentLineLength;
+    while (spaceRemaining < value.length()) {
+        // Write the first "spaceRemaining" characters
+        QString line(value.left(spaceRemaining));
+        value.remove(0, spaceRemaining);
+        if (mDevice->write(encoder->fromUnicode(line + QLatin1String("\r\n "))) < 0)
+            mSuccessful = false;
+        spaceRemaining = MAX_LINE_LENGTH - 1; // minus 1 for the space at the front.
+        mCurrentLineLength = 1;
+    }
+
+    if (mDevice->write(encoder->fromUnicode(value)) < 0)
+        mSuccessful = false;
+    mCurrentLineLength += value.length();
+}
+
+/*!
+  Writes a CRLF to the device.  By using this function, rather than writeString("\\r\\n"), you will
+  allow the writer to know where a line starts, for folding purposes.
+  */
+void QVersitDocumentWriter::writeCrlf()
+{
+    writeString(QLatin1String("\r\n"));
+    mCurrentLineLength = 0;
+}