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#include "watchdatawriter.h"
#include "watchconnection.h"
void WatchDataWriter::writeBytes(int n, const QByteArray &b)
{
if (b.size() > n) {
_buf->append(b.constData(), n);
} else {
int diff = n - b.size();
_buf->append(b);
if (diff > 0) {
_buf->append(QByteArray(diff, '\0'));
}
}
}
void WatchDataWriter::writeFixedString(int n, const QString &s)
{
_buf->append(s.left(n).toUtf8());
for (int i = s.left(n).length(); i < n; i++) {
_buf->append('\0');
}
}
void WatchDataWriter::writeCString(const QString &s)
{
_buf->append(s.toUtf8());
_buf->append('\0');
}
void WatchDataWriter::writePascalString(const QString &s)
{
_buf->append(s.length());
_buf->append(s.toLatin1());
}
void WatchDataWriter::writeUuid(const QUuid &uuid)
{
writeBytes(16, uuid.toRfc4122());
}
void WatchDataWriter::writeDict(const QMap<int, QVariant> &d)
{
int size = d.size();
if (size > 0xFF) {
qWarning() << "Dictionary is too large to encode";
writeLE<quint8>(0);
return;
}
writeLE<quint8>(size);
for (QMap<int, QVariant>::const_iterator it = d.constBegin(); it != d.constEnd(); ++it) {
writeLE<quint32>(it.key());
switch (int(it.value().type())) {
case QMetaType::Char:
writeLE<quint8>(WatchConnection::DictItemTypeInt);
writeLE<quint16>(sizeof(char));
writeLE<char>(it.value().value<char>());
break;
case QMetaType::Short:
writeLE<quint8>(WatchConnection::DictItemTypeInt);
writeLE<quint16>(sizeof(short));
writeLE<short>(it.value().value<short>());
break;
case QMetaType::Int:
writeLE<quint8>(WatchConnection::DictItemTypeInt);
writeLE<quint16>(sizeof(int));
writeLE<int>(it.value().value<int>());
break;
case QMetaType::UChar:
writeLE<quint8>(WatchConnection::DictItemTypeInt);
writeLE<quint16>(sizeof(char));
writeLE<char>(it.value().value<char>());
break;
case QMetaType::UShort:
writeLE<quint8>(WatchConnection::DictItemTypeInt);
writeLE<quint16>(sizeof(short));
writeLE<short>(it.value().value<short>());
break;
case QMetaType::UInt:
writeLE<quint8>(WatchConnection::DictItemTypeInt);
writeLE<quint16>(sizeof(int));
writeLE<int>(it.value().value<int>());
break;
case QMetaType::Bool:
writeLE<quint8>(WatchConnection::DictItemTypeInt);
writeLE<quint16>(sizeof(char));
writeLE<char>(it.value().value<char>());
break;
case QMetaType::Float: // Treat qreals as ints
case QMetaType::Double:
writeLE<quint8>(WatchConnection::DictItemTypeInt);
writeLE<quint16>(sizeof(int));
writeLE<int>(it.value().value<int>());
break;
case QMetaType::QByteArray: {
QByteArray ba = it.value().toByteArray();
writeLE<quint8>(WatchConnection::DictItemTypeBytes);
writeLE<quint16>(ba.size());
_buf->append(ba);
break;
}
case QMetaType::QVariantList: {
// Generally a JS array, which we marshal as a byte array.
QVariantList list = it.value().toList();
QByteArray ba;
ba.reserve(list.size());
Q_FOREACH (const QVariant &v, list) {
ba.append(v.toInt());
}
writeLE<quint8>(WatchConnection::DictItemTypeBytes);
writeLE<quint16>(ba.size());
_buf->append(ba);
break;
}
default:
qWarning() << "Unknown dict item type:" << it.value().typeName();
/* Fallthrough */
case QMetaType::QString:
case QMetaType::QUrl:
{
QByteArray s = it.value().toString().toUtf8();
if (s.isEmpty() || s[s.size() - 1] != '\0') {
// Add null terminator if it doesn't have one
s.append('\0');
}
writeLE<quint8>(WatchConnection::DictItemTypeString);
writeLE<quint16>(s.size());
_buf->append(s);
break;
}
}
}
}
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