QIODevice::OpenMode QIODeviceProto::openMode() const
{
QIODevice *item = qscriptvalue_cast<QIODevice*>(thisObject());
if (item)
return item->openMode();
return QIODevice::OpenMode();
}
//----------------------------------------------------------------------------------
void tst_QIODevice::constructing_QFile()
{
QFile file;
QIODevice *device = &file;
QVERIFY(!device->isOpen());
file.setFileName(SRCDIR "tst_qiodevice.cpp");
QVERIFY(file.open(QFile::ReadOnly));
QVERIFY(device->isOpen());
QCOMPARE((int) device->openMode(), (int) QFile::ReadOnly);
char buf[1024];
memset(buf, 0, sizeof(buf));
qlonglong lineLength = device->readLine(buf, sizeof(buf));
QVERIFY(lineLength > 0);
QCOMPARE(file.pos(), lineLength);
file.seek(0);
char buf2[1024];
memset(buf2, 0, sizeof(buf2));
QCOMPARE(file.readLine(buf2, sizeof(buf2)), lineLength);
char *c1 = buf;
char *c2 = buf2;
while (*c1 && *c2) {
QCOMPARE(*c1, *c2);
++c1;
++c2;
}
QCOMPARE(*c1, *c2);
}
ColorScheme* KDE3ColorSchemeReader::read()
{
Q_ASSERT(_device->openMode() == QIODevice::ReadOnly ||
_device->openMode() == QIODevice::ReadWrite);
ColorScheme* scheme = new ColorScheme();
QRegExp comment("#.*$");
while (!_device->atEnd()) {
QString line(_device->readLine());
line.remove(comment);
line = line.simplified();
if (line.isEmpty())
continue;
if (line.startsWith(QLatin1String("color"))) {
if (!readColorLine(line, scheme))
kWarning() << "Failed to read KDE 3 color scheme line" << line;
} else if (line.startsWith(QLatin1String("title"))) {
if (!readTitleLine(line, scheme))
kWarning() << "Failed to read KDE 3 color scheme title line" << line;
} else {
kWarning() << "KDE 3 color scheme contains an unsupported feature, '" <<
line << "'";
}
}
return scheme;
}
void CompiledMaterial::save(QIODevice &dev) {
const uint NodeData = NmtReader::Reserved + 1;
QByteArray sh = getShader().toLatin1();
if(!(dev.openMode() & QIODevice::WriteOnly || dev.openMode() & QIODevice::Append)) {
dev.open(QIODevice::WriteOnly);
}
NmtReader::Version2Header header;
header.version = 2;
header.numData = 2 + samplers.size();
dev.write((const char *)&header, sizeof(header));
NmtReader::DataHeader h;
h.id = NmtReader::FragShader;
h.offset = sizeof(header) + header.numData * sizeof(h);
dev.write((const char *)&h, sizeof(h));
h.id = NodeData;
h.offset += sh.size() + sizeof(uint);
dev.write((const char *)&h, sizeof(h));
h.offset += data.size() + sizeof(uint);
for(int i = 0; i != samplers.size(); i++) {
h.id = NmtReader::TextureName;
h.offset += sizeof(uint) + samplers[i].file.toLatin1().size();
dev.write((const char *)&h, sizeof(h));
}
uint len = sh.size();
dev.write((const char *)&len, sizeof(uint));
dev.write(sh);
len = data.size();
dev.write((const char *)&len, sizeof(uint));
dev.write(data);
for(int i = 0; i != samplers.size(); i++) {
QByteArray name = samplers[i].file.toLatin1();
uint len = name.size();
dev.write((const char *)&len, sizeof(uint));
dev.write(name);
}
}
voidpf ZCALLBACK qiodevice_open_file_func (
voidpf opaque,
voidpf file,
int mode)
{
QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque);
QIODevice *iodevice = reinterpret_cast<QIODevice*>(file);
QIODevice::OpenMode desiredMode;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
desiredMode = QIODevice::ReadOnly;
else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
desiredMode = QIODevice::ReadWrite;
else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
desiredMode = QIODevice::WriteOnly;
if (iodevice->isOpen()) {
if ((iodevice->openMode() & desiredMode) == desiredMode) {
if (desiredMode != QIODevice::WriteOnly
&& iodevice->isSequential()) {
// We can use sequential devices only for writing.
delete d;
return NULL;
} else {
if ((desiredMode & QIODevice::WriteOnly) != 0) {
// open for writing, need to seek existing device
if (!iodevice->isSequential()) {
iodevice->seek(0);
} else {
d->pos = iodevice->pos();
}
}
}
return iodevice;
} else {
delete d;
return NULL;
}
}
iodevice->open(desiredMode);
if (iodevice->isOpen()) {
if (desiredMode != QIODevice::WriteOnly && iodevice->isSequential()) {
// We can use sequential devices only for writing.
iodevice->close();
delete d;
return NULL;
} else {
return iodevice;
}
} else {
delete d;
return NULL;
}
}
bool copyData(QIODevice& src, QIODevice& dest)
{
bool success = false;
if ((src.openMode() & QIODevice::ReadOnly) == 0)
return false;
if ((dest.openMode() & QIODevice::WriteOnly) == 0)
return false;
QByteArray bb( 65536, ' ' );
if (bb.size() > 0) // Check for memory allocation failure
{
qint64 byteswritten;
qint64 bytesread = src.read( bb.data(), bb.size() );
success = (bytesread > 0);
while (bytesread > 0)
{
byteswritten = dest.write( bb.data(), bytesread );
success &= (bytesread == byteswritten);
bytesread = src.read( bb.data(), bb.size() );
}
}
return success;
}
voidpf ZCALLBACK qiodevice_open_file_func (
voidpf /*opaque UNUSED*/,
voidpf file,
int mode)
{
QIODevice *iodevice = reinterpret_cast<QIODevice*>(file);
QIODevice::OpenMode desiredMode;
if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ)
desiredMode = QIODevice::ReadOnly;
else if (mode & ZLIB_FILEFUNC_MODE_EXISTING)
desiredMode = QIODevice::ReadWrite;
else if (mode & ZLIB_FILEFUNC_MODE_CREATE)
desiredMode = QIODevice::WriteOnly;
if (iodevice->isOpen()) {
if ((iodevice->openMode() & desiredMode) == desiredMode) {
if (iodevice->isSequential()) {
return NULL;
} else {
if ((desiredMode & QIODevice::WriteOnly) != 0) {
// open for writing, need to seek existing device
iodevice->seek(0);
}
}
return iodevice;
} else {
return NULL;
}
}
iodevice->open(desiredMode);
if (iodevice->isOpen()) {
if (iodevice->isSequential()) {
iodevice->close();
return NULL;
} else {
return iodevice;
}
} else
return NULL;
}
