//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);
}
Esempio n. 2
0
//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);
}
Esempio n. 3
0
/* 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;
}