//Does this text contain Non-ASCII characters?
bool AbstractEncoder::isUnicode(const QString &original)
{
if(!original.isEmpty())
{
QString asLatin1 = QString::fromLatin1(original.toLatin1().constData());
return (wcscmp(MUTILS_WCHR(original), MUTILS_WCHR(asLatin1)) != 0);
}
return false;
}
static __forceinline void doLockFile(HANDLE &fileHandle, const QString &filePath, QFile *const outFile)
{
bool success = false;
fileHandle = INVALID_HANDLE_VALUE;
//Try to open the file!
for(int i = 0; i < 64; i++)
{
const HANDLE hTemp = CreateFileW(MUTILS_WCHR(QDir::toNativeSeparators(filePath)), GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, NULL, NULL);
if(VALID_HANDLE(hTemp))
{
PROTECT_HANDLE(fileHandle = hTemp, true);
break; /*file opened successfully*/
}
if(i == 0)
{
qWarning("Failed to open file on first attemp, retrying...");
}
Sleep(1);
}
//Now try to actually lock the file!
if (VALID_HANDLE(fileHandle))
{
for (int i = 0; i < 64; i++)
{
LARGE_INTEGER fileSize;
if (GetFileSizeEx(fileHandle, &fileSize))
{
OVERLAPPED overlapped = { 0U, 0U, 0U, 0U, 0U };
if (LockFileEx(fileHandle, LOCKFILE_FAIL_IMMEDIATELY, 0, fileSize.LowPart, fileSize.HighPart, &overlapped))
{
success = true;
break; /*file locked successfully*/
}
Sleep(1);
}
if (i == 0)
{
qWarning("Failed to lock file on first attemp, retrying...");
}
}
}
//Locked successfully?
if(!success)
{
CLOSE_HANDLE(fileHandle);
if(outFile)
{
QFile::remove(QFileInfo(*outFile).canonicalFilePath());
}
MUTILS_THROW_FMT("File '%s' could not be locked!", MUTILS_UTF8(QFileInfo(filePath).fileName()));
}
}
