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/****************************************************************************
**
** 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** 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.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qvcard30writer_p.h"
#include "versitutils_p.h"
#include "qmobilityglobal.h"
#include <QTextCodec>
#include <QBuffer>
QTM_USE_NAMESPACE
/*! Constructs a writer. */
QVCard30Writer::QVCard30Writer(QVersitDocument::VersitType type) : QVersitDocumentWriter(type)
{
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;
QByteArray renderedBytes;
if (variant.canConvert<QVersitDocument>()) {
QVersitDocument embeddedDocument = variant.value<QVersitDocument>();
QByteArray data;
QBuffer buffer(&data);
buffer.open(QIODevice::WriteOnly);
QVCard30Writer subWriter(mType);
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();
if (property.valueType() != QVersitProperty::PreformattedType) {
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) {
if (mCodecIsAsciiCompatible) // optimize by not converting to unicode
renderedBytes = variant.toByteArray().toBase64();
else
renderedValue = QLatin1String(variant.toByteArray().toBase64().data());
}
if (renderedBytes.isEmpty())
writeString(renderedValue);
else
writeBytes(renderedBytes);
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)
{
static const QString m1(QLatin1String("([;,\\\\])"));
static const QString r1(QLatin1String("\\\\1"));
static const QString m2(QLatin1String("\r\n|\r|\n"));
static const QString r2(QLatin1String("\\n"));
/* replaces ; with \;
, with \,
\ with \\
*/
text->replace(QRegExp(m1), r1);
// replaces any CRLFs with \n
text->replace(QRegExp(m2), r2);
}
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