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Diffstat (limited to 'src/nfc/qndefnfctextrecord.cpp')
| -rw-r--r-- | src/nfc/qndefnfctextrecord.cpp | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/nfc/qndefnfctextrecord.cpp b/src/nfc/qndefnfctextrecord.cpp new file mode 100644 index 00000000..b9146f9a --- /dev/null +++ b/src/nfc/qndefnfctextrecord.cpp @@ -0,0 +1,189 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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 <qndefnfctextrecord.h> + +#include <QtCore/QTextCodec> +#include <QtCore/QLocale> + +/*! + \class QNdefNfcTextRecord + \brief The QNdefNfcTextRecord class provides an NFC RTD-Text + + \ingroup connectivity-nfc + \inmodule QtConnectivity + \since 5.0 + + RTD-Text encapsulates a user displayable text record. +*/ + +/*! + \enum QNdefNfcTextRecord::Encoding + + This enum describes the text encoding standard used. + + \value Utf8 The text is encoded with UTF-8. + \value Utf16 The text is encoding with UTF-16. +*/ + +/*! + Returns the locale of the text record. +*/ +QString QNdefNfcTextRecord::locale() const +{ + const QByteArray p = payload(); + + if (p.isEmpty()) + return QString(); + + quint8 status = p.at(0); + + quint8 codeLength = status & 0x3f; + + return QString::fromAscii(p.constData() + 1, codeLength); +} + +/*! + Sets the locale of the text record to \a locale. +*/ +void QNdefNfcTextRecord::setLocale(const QString &locale) +{ + QByteArray p = payload(); + + quint8 status = p.isEmpty() ? 0 : p.at(0); + + quint8 codeLength = status & 0x3f; + + quint8 newStatus = (status & 0xd0) | locale.length(); + + p[0] = newStatus; + p.replace(1, codeLength, locale.toAscii()); + + setPayload(p); +} + +/*! + Returns the contents of the text record as a string. +*/ +QString QNdefNfcTextRecord::text() const +{ + const QByteArray p = payload(); + + if (p.isEmpty()) + return QString(); + + quint8 status = p.at(0); + + bool utf16 = status & 0x80; + quint8 codeLength = status & 0x3f; + + QTextCodec *codec = QTextCodec::codecForName(utf16 ? "UTF-16BE" : "UTF-8"); + + return codec->toUnicode(p.constData() + 1 + codeLength, p.length() - 1 - codeLength); +} + +/*! + Sets the contents of the text record to \a text. +*/ +void QNdefNfcTextRecord::setText(const QString text) +{ + if (payload().isEmpty()) + setLocale(QLocale().name()); + + QByteArray p = payload(); + + quint8 status = p.at(0); + + bool utf16 = status & 0x80; + quint8 codeLength = status & 0x3f; + + p.truncate(1 + codeLength); + + QTextCodec *codec = QTextCodec::codecForName(utf16 ? "UTF-16BE" : "UTF-8"); + + p += codec->fromUnicode(text); + + setPayload(p); +} + +/*! + Returns the encoding of the contents. +*/ +QNdefNfcTextRecord::Encoding QNdefNfcTextRecord::encoding() const +{ + if (payload().isEmpty()) + return Utf8; + + QByteArray p = payload(); + + quint8 status = p.at(0); + + bool utf16 = status & 0x80; + + if (utf16) + return Utf16; + else + return Utf8; +} + +/*! + Sets the enconding of the contents to \a encoding. +*/ +void QNdefNfcTextRecord::setEncoding(Encoding encoding) +{ + QByteArray p = payload(); + + quint8 status = p.isEmpty() ? 0 : p.at(0); + + QString string = text(); + + if (encoding == Utf8) + status &= ~0x80; + else + status |= 0x80; + + p[0] = status; + + setPayload(p); + + setText(string); +} + |