//static
bool QFileSystemEngine::fillMetaData(const QFileSystemEntry &entry, QFileSystemMetaData &data,
QFileSystemMetaData::MetaDataFlags what)
{
#if defined(Q_OS_MACX)
if (what & QFileSystemMetaData::BundleType) {
if (!data.hasFlags(QFileSystemMetaData::DirectoryType))
what |= QFileSystemMetaData::DirectoryType;
}
if (what & QFileSystemMetaData::HiddenAttribute) {
// Mac OS >= 10.5: st_flags & UF_HIDDEN
what |= QFileSystemMetaData::PosixStatFlags;
}
#endif // defined(Q_OS_MACX)
if (what & QFileSystemMetaData::PosixStatFlags)
what |= QFileSystemMetaData::PosixStatFlags;
if (what & QFileSystemMetaData::ExistsAttribute) {
// FIXME: Would other queries being performed provide this bit?
what |= QFileSystemMetaData::PosixStatFlags;
}
data.entryFlags &= ~what;
const char * nativeFilePath;
int nativeFilePathLength;
{
const QByteArray &path = entry.nativeFilePath();
nativeFilePath = path.constData();
nativeFilePathLength = path.size();
Q_UNUSED(nativeFilePathLength);
}
bool entryExists = true; // innocent until proven otherwise
QT_STATBUF statBuffer;
bool statBufferValid = false;
if (what & QFileSystemMetaData::LinkType) {
if (QT_LSTAT(nativeFilePath, &statBuffer) == 0) {
if (S_ISLNK(statBuffer.st_mode)) {
data.entryFlags |= QFileSystemMetaData::LinkType;
} else {
statBufferValid = true;
data.entryFlags &= ~QFileSystemMetaData::PosixStatFlags;
}
} else {
entryExists = false;
}
data.knownFlagsMask |= QFileSystemMetaData::LinkType;
}
if (statBufferValid || (what & QFileSystemMetaData::PosixStatFlags)) {
if (entryExists && !statBufferValid)
statBufferValid = (QT_STAT(nativeFilePath, &statBuffer) == 0);
if (statBufferValid)
data.fillFromStatBuf(statBuffer);
else {
entryExists = false;
data.creationTime_ = 0;
data.modificationTime_ = 0;
data.accessTime_ = 0;
data.size_ = 0;
data.userId_ = (uint) -2;
data.groupId_ = (uint) -2;
}
// reset the mask
data.knownFlagsMask |= QFileSystemMetaData::PosixStatFlags
| QFileSystemMetaData::ExistsAttribute;
}
#if defined(Q_OS_MACX)
if (what & QFileSystemMetaData::AliasType)
{
if (entryExists) {
FSRef fref;
if (FSPathMakeRef((const UInt8 *)nativeFilePath, &fref, NULL) == noErr) {
Boolean isAlias, isFolder;
if (FSIsAliasFile(&fref, &isAlias, &isFolder) == noErr) {
if (isAlias)
data.entryFlags |= QFileSystemMetaData::AliasType;
}
}
}
data.knownFlagsMask |= QFileSystemMetaData::AliasType;
}
#endif
if (what & QFileSystemMetaData::UserPermissions) {
// calculate user permissions
if (entryExists) {
if (what & QFileSystemMetaData::UserReadPermission) {
if (QT_ACCESS(nativeFilePath, R_OK) == 0)
data.entryFlags |= QFileSystemMetaData::UserReadPermission;
}
if (what & QFileSystemMetaData::UserWritePermission) {
if (QT_ACCESS(nativeFilePath, W_OK) == 0)
data.entryFlags |= QFileSystemMetaData::UserWritePermission;
}
if (what & QFileSystemMetaData::UserExecutePermission) {
if (QT_ACCESS(nativeFilePath, X_OK) == 0)
data.entryFlags |= QFileSystemMetaData::UserExecutePermission;
}
}
data.knownFlagsMask |= (what & QFileSystemMetaData::UserPermissions);
}
if (what & QFileSystemMetaData::HiddenAttribute
&& !data.isHidden()) {
QString fileName = entry.fileName();
if ((fileName.size() > 0 && fileName.at(0) == QLatin1Char('.'))
|| (entryExists && _q_isMacHidden(nativeFilePath)))
data.entryFlags |= QFileSystemMetaData::HiddenAttribute;
data.knownFlagsMask |= QFileSystemMetaData::HiddenAttribute;
}
#if defined(Q_OS_MACX)
if (what & QFileSystemMetaData::BundleType) {
if (entryExists && isPackage(data, entry))
data.entryFlags |= QFileSystemMetaData::BundleType;
data.knownFlagsMask |= QFileSystemMetaData::BundleType;
}
#endif
if (!entryExists) {
data.clearFlags(what);
return false;
}
return data.hasFlags(what);
}
//static
bool QFileSystemEngine::fillMetaData(const QFileSystemEntry &entry, QFileSystemMetaData &data,
QFileSystemMetaData::MetaDataFlags what)
{
#if !defined(QWS) && !defined(Q_WS_QPA) && defined(Q_OS_MAC)
if (what & QFileSystemMetaData::BundleType) {
if (!data.hasFlags(QFileSystemMetaData::DirectoryType))
what |= QFileSystemMetaData::DirectoryType;
}
#endif
#if !defined(QWS) && !defined(Q_WS_QPA) && defined(Q_OS_MAC) \
&& MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5
if (what & QFileSystemMetaData::HiddenAttribute) {
// Mac OS >= 10.5: st_flags & UF_HIDDEN
what |= QFileSystemMetaData::PosixStatFlags;
}
#endif
if (what & QFileSystemMetaData::PosixStatFlags)
what |= QFileSystemMetaData::PosixStatFlags;
if (what & QFileSystemMetaData::ExistsAttribute) {
// FIXME: Would other queries being performed provide this bit?
what |= QFileSystemMetaData::PosixStatFlags;
}
data.entryFlags &= ~what;
const char * nativeFilePath;
int nativeFilePathLength;
{
const QByteArray &path = entry.nativeFilePath();
nativeFilePath = path.constData();
nativeFilePathLength = path.size();
Q_UNUSED(nativeFilePathLength);
}
bool entryExists = true; // innocent until proven otherwise
QT_STATBUF statBuffer;
bool statBufferValid = false;
if (what & QFileSystemMetaData::LinkType) {
if (QT_LSTAT(nativeFilePath, &statBuffer) == 0) {
if (S_ISLNK(statBuffer.st_mode)) {
data.entryFlags |= QFileSystemMetaData::LinkType;
} else {
statBufferValid = true;
data.entryFlags &= ~QFileSystemMetaData::PosixStatFlags;
}
} else {
entryExists = false;
}
data.knownFlagsMask |= QFileSystemMetaData::LinkType;
}
if (statBufferValid || (what & QFileSystemMetaData::PosixStatFlags)) {
if (entryExists && !statBufferValid)
statBufferValid = (QT_STAT(nativeFilePath, &statBuffer) == 0);
if (statBufferValid)
data.fillFromStatBuf(statBuffer);
else {
entryExists = false;
data.creationTime_ = 0;
data.modificationTime_ = 0;
data.accessTime_ = 0;
data.size_ = 0;
data.userId_ = (uint) -2;
data.groupId_ = (uint) -2;
}
// reset the mask
data.knownFlagsMask |= QFileSystemMetaData::PosixStatFlags
| QFileSystemMetaData::ExistsAttribute;
}
#if !defined(QWS) && !defined(Q_WS_QPA) && defined(Q_OS_MAC)
if (what & QFileSystemMetaData::AliasType)
{
if (entryExists) {
FSRef fref;
if (FSPathMakeRef((const UInt8 *)nativeFilePath, &fref, NULL) == noErr) {
Boolean isAlias, isFolder;
if (FSIsAliasFile(&fref, &isAlias, &isFolder) == noErr) {
if (isAlias)
data.entryFlags |= QFileSystemMetaData::AliasType;
}
}
}
data.knownFlagsMask |= QFileSystemMetaData::AliasType;
}
#endif
if (what & QFileSystemMetaData::UserPermissions) {
// calculate user permissions
if (entryExists) {
if (what & QFileSystemMetaData::UserReadPermission) {
if (QT_ACCESS(nativeFilePath, R_OK) == 0)
data.entryFlags |= QFileSystemMetaData::UserReadPermission;
}
if (what & QFileSystemMetaData::UserWritePermission) {
if (QT_ACCESS(nativeFilePath, W_OK) == 0)
data.entryFlags |= QFileSystemMetaData::UserWritePermission;
}
if (what & QFileSystemMetaData::UserExecutePermission) {
if (QT_ACCESS(nativeFilePath, X_OK) == 0)
data.entryFlags |= QFileSystemMetaData::UserExecutePermission;
}
}
data.knownFlagsMask |= (what & QFileSystemMetaData::UserPermissions);
}
if (what & QFileSystemMetaData::HiddenAttribute
&& !data.isHidden()) {
QString fileName = entry.fileName();
if ((fileName.size() > 0 && fileName.at(0) == QLatin1Char('.'))
|| (entryExists && _q_isMacHidden(nativeFilePath)))
data.entryFlags |= QFileSystemMetaData::HiddenAttribute;
data.knownFlagsMask |= QFileSystemMetaData::HiddenAttribute;
}
#if !defined(QWS) && !defined(Q_WS_QPA) && defined(Q_OS_MAC)
if (what & QFileSystemMetaData::BundleType) {
if (entryExists && data.isDirectory()) {
QCFType<CFStringRef> path = CFStringCreateWithBytes(0,
(const UInt8*)nativeFilePath, nativeFilePathLength,
kCFStringEncodingUTF8, false);
QCFType<CFURLRef> url = CFURLCreateWithFileSystemPath(0, path,
kCFURLPOSIXPathStyle, true);
UInt32 type, creator;
if (CFBundleGetPackageInfoInDirectory(url, &type, &creator))
data.entryFlags |= QFileSystemMetaData::BundleType;
}
data.knownFlagsMask |= QFileSystemMetaData::BundleType;
}
#endif
return data.hasFlags(what);
}
/* is_alias
--------
Sets the second parameter to true if the file pointed to
by path is an alias or symbolic link, otherwise sets the
value to false. Return status is the error code.
*/
int is_alias (const char *path, u_int8_t *is_link)
{
#ifdef HAVE_CORESERVICES
FSRef *fspath;
Boolean isdir = 0, isalias = 0;
char *p, buf[PATH_MAX], name[NAME_MAX];
u_int32_t len;
#else
u_int8_t isalias = 0;
#endif
/* reset it for each occurrence */
/* mac_errno = 0; */
#ifdef HAVE_CORESERVICES
if (!path) { /* null pointer */
errno = EIO;
return errno;
}
/* return if the path is too many characters */
len = strlen(path);
if (len > PATH_MAX) {
errno = ENAMETOOLONG; /* set errno appropriately */
return errno;
}
/* remove trailing slashes */
strcpy(buf, path);
p = buf + len - 1;
while (p > buf && *p == '/') *p-- = 0;
/* if empty string, assume cwd, but naturally...
the current working directory can never be an alias */
if (!*buf) return 0;
/* return if the path is `/', `./', '.' or '..'
all of which naturally can not be aliases */
if (!strcmp(buf, "/") || !strcmp(buf, "./") ||
!strcmp(buf, ".") || !strcmp(buf, ".."))
return 0;
/* return for special directory elements `.' and `..' */
len = strlen(buf);
if (len >= 2) {
p = buf + len - 2;
if (!strcmp(p, "/.")) return 0;
if (len >= 3) {
p--;
if (!strcmp(p, "/.."))
return 0;
}
}
/* we need the path to the parent directory and the name */
p = buf + len; /* the end of the string */
/* find the beginning of the name */
while (p > buf && *p != '/') p--;
strcpy(name, ++p);
*--p = 0; /* end the path to the parent directory */
/* the parent directory is the cwd if an empty path is left */
if (!*buf)
strcpy(buf, "./");
/* resolve the path to the parent directory */
if (!resolve_alias_path(buf, buf) || mac_errno) {
if (!errno) errno = EIO;
return errno; /* an error occurred */
}
/* annex the name to the resolved path */
p = buf + strlen(buf);
*p++ = '/';
strcpy(p, name);
/* allocate memory for the resolved path(s) */
fspath = (FSRef *)malloc(sizeof(FSRef));
if (!fspath) return ENOMEM; /* ENOMEM */
memset(fspath, 0, sizeof(FSRef));
/* attempt to convert the target path into an FSRef */
mac_errno = FSPathMakeRef(buf, fspath, 0);
if (mac_errno) {
errno = EIO;
return errno;
}
/* check if the file is actually an alias */
mac_errno = FSIsAliasFile(fspath, &isalias, &isdir);
if (mac_errno) {
errno = EIO;
return errno;
}
#endif
*is_link = isalias;
/* if CoreServices are not available this will always be 0 */
return 0;
}