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** GNU General Public License Usage | |
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#include "qplatformdefs.h" | |
#include "qfsfileengine_iterator_p.h" | |
#include <QtCore/qvariant.h> | |
#ifndef QT_NO_FSFILEENGINE | |
QT_BEGIN_NAMESPACE | |
class QFSFileEngineIteratorPlatformSpecificData | |
{ | |
public: | |
inline QFSFileEngineIteratorPlatformSpecificData() | |
: dir(0), dirEntry(0), done(false) | |
#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN) | |
, mt_file(0) | |
#endif | |
{} | |
QT_DIR *dir; | |
QT_DIRENT *dirEntry; | |
bool done; | |
#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN) | |
// for readdir_r | |
QT_DIRENT *mt_file; | |
#endif | |
}; | |
void QFSFileEngineIterator::advance() | |
{ | |
currentEntry = platform->dirEntry ? QFile::decodeName(QByteArray(platform->dirEntry->d_name)) : QString(); | |
if (!platform->dir) | |
return; | |
#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN) | |
if (QT_READDIR_R(platform->dir, platform->mt_file, &platform->dirEntry) != 0) | |
platform->done = true; | |
#else | |
// ### add local lock to prevent breaking reentrancy | |
platform->dirEntry = QT_READDIR(platform->dir); | |
#endif // _POSIX_THREAD_SAFE_FUNCTIONS | |
if (!platform->dirEntry) { | |
QT_CLOSEDIR(platform->dir); | |
platform->dir = 0; | |
platform->done = true; | |
#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN) | |
delete [] platform->mt_file; | |
platform->mt_file = 0; | |
#endif | |
} | |
} | |
void QFSFileEngineIterator::newPlatformSpecifics() | |
{ | |
platform = new QFSFileEngineIteratorPlatformSpecificData; | |
} | |
void QFSFileEngineIterator::deletePlatformSpecifics() | |
{ | |
if (platform->dir) { | |
QT_CLOSEDIR(platform->dir); | |
#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN) | |
delete [] platform->mt_file; | |
platform->mt_file = 0; | |
#endif | |
} | |
delete platform; | |
platform = 0; | |
} | |
bool QFSFileEngineIterator::hasNext() const | |
{ | |
if (!platform->done && !platform->dir) { | |
QFSFileEngineIterator *that = const_cast<QFSFileEngineIterator *>(this); | |
if ((that->platform->dir = QT_OPENDIR(QFile::encodeName(path()).data())) == 0) { | |
that->platform->done = true; | |
} else { | |
// ### Race condition; we should use fpathconf and dirfd(). | |
long maxPathName = ::pathconf(QFile::encodeName(path()).data(), _PC_NAME_MAX); | |
if ((int) maxPathName == -1) | |
maxPathName = FILENAME_MAX; | |
maxPathName += sizeof(QT_DIRENT) + 1; | |
#if defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN) && !defined(Q_OS_SYMBIAN) | |
if (that->platform->mt_file) | |
delete [] that->platform->mt_file; | |
that->platform->mt_file = (QT_DIRENT *)new char[maxPathName]; | |
#endif | |
that->advance(); | |
} | |
} | |
return !platform->done; | |
} | |
QT_END_NAMESPACE | |
#endif // QT_NO_FSFILEENGINE |