--- /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;
+}