Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_OSL_FILE_HXX
21 : #define INCLUDED_OSL_FILE_HXX
22 :
23 : #include <sal/config.h>
24 :
25 : #include <string.h>
26 :
27 : #include <cassert>
28 :
29 : #include <osl/time.h>
30 : #include <rtl/ustring.hxx>
31 :
32 : #include <osl/file.h>
33 : #include <rtl/byteseq.hxx>
34 :
35 : #include <stdio.h>
36 :
37 : namespace osl
38 : {
39 :
40 :
41 :
42 : /** Base class for all File System specific objects.
43 :
44 : @see Directory
45 : @see DirectoryItem
46 : @see File
47 : */
48 :
49 1234559 : class FileBase
50 : {
51 : public:
52 :
53 : enum RC {
54 : E_None = osl_File_E_None,
55 : E_PERM = osl_File_E_PERM,
56 : E_NOENT = osl_File_E_NOENT,
57 : E_SRCH = osl_File_E_SRCH,
58 : E_INTR = osl_File_E_INTR,
59 : E_IO = osl_File_E_IO,
60 : E_NXIO = osl_File_E_NXIO,
61 : E_2BIG = osl_File_E_2BIG,
62 : E_NOEXEC = osl_File_E_NOEXEC,
63 : E_BADF = osl_File_E_BADF,
64 : E_CHILD = osl_File_E_CHILD,
65 : E_AGAIN = osl_File_E_AGAIN,
66 : E_NOMEM = osl_File_E_NOMEM,
67 : E_ACCES = osl_File_E_ACCES,
68 : E_FAULT = osl_File_E_FAULT,
69 : E_BUSY = osl_File_E_BUSY,
70 : E_EXIST = osl_File_E_EXIST,
71 : E_XDEV = osl_File_E_XDEV,
72 : E_NODEV = osl_File_E_NODEV,
73 : E_NOTDIR = osl_File_E_NOTDIR,
74 : E_ISDIR = osl_File_E_ISDIR,
75 : E_INVAL = osl_File_E_INVAL,
76 : E_NFILE = osl_File_E_NFILE,
77 : E_MFILE = osl_File_E_MFILE,
78 : E_NOTTY = osl_File_E_NOTTY,
79 : E_FBIG = osl_File_E_FBIG,
80 : E_NOSPC = osl_File_E_NOSPC,
81 : E_SPIPE = osl_File_E_SPIPE,
82 : E_ROFS = osl_File_E_ROFS,
83 : E_MLINK = osl_File_E_MLINK,
84 : E_PIPE = osl_File_E_PIPE,
85 : E_DOM = osl_File_E_DOM,
86 : E_RANGE = osl_File_E_RANGE,
87 : E_DEADLK = osl_File_E_DEADLK,
88 : E_NAMETOOLONG = osl_File_E_NAMETOOLONG,
89 : E_NOLCK = osl_File_E_NOLCK,
90 : E_NOSYS = osl_File_E_NOSYS,
91 : E_NOTEMPTY = osl_File_E_NOTEMPTY,
92 : E_LOOP = osl_File_E_LOOP,
93 : E_ILSEQ = osl_File_E_ILSEQ,
94 : E_NOLINK = osl_File_E_NOLINK,
95 : E_MULTIHOP = osl_File_E_MULTIHOP,
96 : E_USERS = osl_File_E_USERS,
97 : E_OVERFLOW = osl_File_E_OVERFLOW,
98 : E_NOTREADY = osl_File_E_NOTREADY,
99 : E_invalidError = osl_File_E_invalidError, /* unmapped error: always last entry in enum! */
100 : E_TIMEDOUT = osl_File_E_TIMEDOUT,
101 : E_NETWORK = osl_File_E_NETWORK
102 : };
103 :
104 :
105 : public:
106 :
107 : /** Determine a valid unused canonical name for a requested name.
108 :
109 : Determines a valid unused canonical name for a requested name.
110 : Depending on the Operating System and the File System the illegal characters are replaced by valid ones.
111 : If a file or directory with the requested name already exists a new name is generated following
112 : the common rules on the actual Operating System and File System.
113 :
114 : @param ustrRequestedURL [in]
115 : Requested name of a file or directory.
116 :
117 : @param ustrValidURL [out]
118 : On success receives a name which is unused and valid on the actual Operating System and
119 : File System.
120 :
121 : @return
122 : E_None on success
123 : E_INVAL the format of the parameters was not valid
124 :
125 : @see DirectoryItem::getFileStatus()
126 : */
127 :
128 : static inline RC getCanonicalName( const ::rtl::OUString& ustrRequestedURL, ::rtl::OUString& ustrValidURL )
129 : {
130 : return static_cast< RC >( osl_getCanonicalName( ustrRequestedURL.pData, &ustrValidURL.pData ) );
131 : }
132 :
133 : /** Convert a path relative to a given directory into an full qualified file URL.
134 :
135 : Convert a path relative to a given directory into an full qualified file URL.
136 : The function resolves symbolic links if possible and path ellipses, so on success
137 : the resulting absolute path is fully resolved.
138 :
139 : @param ustrBaseDirectoryURL [in]
140 : Base directory URL to which the relative path is related to.
141 :
142 : @param ustrRelativeFileURL [in]
143 : An URL of a file or directory relative to the directory path specified by ustrBaseDirectoryURL
144 : or an absolute path.
145 : If ustrRelativeFileURL denotes an absolute path ustrBaseDirectoryURL will be ignored.
146 :
147 : @param ustrAbsoluteFileURL [out]
148 : On success it receives the full qualified absolute file URL.
149 :
150 : @return
151 : E_None on success
152 : E_INVAL the format of the parameters was not valid
153 : E_NOMEM not enough memory for allocating structures
154 : E_NOTDIR not a directory
155 : E_ACCES permission denied
156 : E_NOENT no such file or directory
157 : E_NAMETOOLONG file name too long
158 : E_OVERFLOW value too large for defined data type
159 : E_FAULT bad address
160 : E_INTR function call was interrupted
161 : E_LOOP too many symbolic links encountered
162 : E_MULTIHOP multihop attempted
163 : E_NOLINK link has been severed
164 :
165 : @see DirectoryItem::getFileStatus()
166 : */
167 :
168 3 : static inline RC getAbsoluteFileURL( const ::rtl::OUString& ustrBaseDirectoryURL, const ::rtl::OUString& ustrRelativeFileURL, ::rtl::OUString& ustrAbsoluteFileURL )
169 : {
170 3 : return static_cast< RC >( osl_getAbsoluteFileURL( ustrBaseDirectoryURL.pData, ustrRelativeFileURL.pData, &ustrAbsoluteFileURL.pData ) );
171 : }
172 :
173 : /** Convert a file URL into a system dependend path.
174 :
175 : @param ustrFileURL [in]
176 : A File URL.
177 :
178 : @param ustrSystemPath [out]
179 : On success it receives the system path.
180 :
181 : @return
182 : E_None on success
183 : E_INVAL the format of the parameters was not valid
184 :
185 : @see getFileURLFromSystemPath()
186 : */
187 :
188 127538 : static inline RC getSystemPathFromFileURL( const ::rtl::OUString& ustrFileURL, ::rtl::OUString& ustrSystemPath )
189 : {
190 127538 : return static_cast< RC >( osl_getSystemPathFromFileURL( ustrFileURL.pData, &ustrSystemPath.pData ) );
191 : }
192 :
193 : /** Convert a system dependend path into a file URL.
194 :
195 : @param ustrSystemPath [in]
196 : A System dependent path of a file or directory.
197 :
198 : @param ustrFileURL [out]
199 : On success it receives the file URL.
200 :
201 : @return
202 : E_None on success
203 : E_INVAL the format of the parameters was not valid
204 :
205 : @see getSystemPathFromFileURL()
206 : */
207 :
208 85023 : static inline RC getFileURLFromSystemPath( const ::rtl::OUString& ustrSystemPath, ::rtl::OUString& ustrFileURL )
209 : {
210 85023 : return static_cast< RC >( osl_getFileURLFromSystemPath( ustrSystemPath.pData, &ustrFileURL.pData ) );
211 : }
212 :
213 : /** Searche a full qualified system path or a file URL.
214 :
215 : @param ustrFileName [in]
216 : A system dependent path, a file URL, a file or relative directory
217 :
218 : @param ustrSearchPath [in]
219 : A list of system paths, in which a given file has to be searched. The Notation of a path list is
220 : system dependend, e.g. on UNIX system "/usr/bin:/bin" and on Windows "C:\BIN;C:\BATCH".
221 : These paths are only for the search of a file or a relative path, otherwise it will be ignored.
222 : If ustrSearchPath is NULL or while using the search path the search failed, the function searches for
223 : a matching file in all system directories and in the directories listed in the PATH environment
224 : variable.
225 : The value of an environment variable should be used (e.g. LD_LIBRARY_PATH) if the caller is not
226 : aware of the Operating System and so doesn't know which path list delimiter to use.
227 :
228 : @param ustrFileURL [out]
229 : On success it receives the full qualified file URL.
230 :
231 : @return
232 : E_None on success
233 : E_INVAL the format of the parameters was not valid
234 : E_NOTDIR not a directory
235 : E_NOENT no such file or directory not found
236 :
237 : @see getFileURLFromSystemPath()
238 : @see getSystemPathFromFileURL()
239 : */
240 :
241 0 : static inline RC searchFileURL( const ::rtl::OUString& ustrFileName, const ::rtl::OUString& ustrSearchPath, ::rtl::OUString& ustrFileURL )
242 : {
243 0 : return static_cast< RC >( osl_searchFileURL( ustrFileName.pData, ustrSearchPath.pData, &ustrFileURL.pData ) );
244 : }
245 :
246 : /** Retrieves the file URL of the system's temporary directory path.
247 :
248 : @param[out] ustrTempDirURL
249 : On success receives the URL of system's temporary directory path.
250 :
251 : @return
252 : E_None on success
253 : E_NOENT no such file or directory not found
254 : */
255 :
256 0 : static inline RC getTempDirURL( ::rtl::OUString& ustrTempDirURL )
257 : {
258 0 : return static_cast< RC >( osl_getTempDirURL( &ustrTempDirURL.pData ) );
259 : }
260 :
261 : /** Creates a temporary file in the directory provided by the caller or the
262 : directory returned by getTempDirURL.
263 : Under UNIX Operating Systems the file will be created with read and write
264 : access for the user exclusively.
265 : If the caller requests only a handle to the open file but not the name of
266 : it, the file will be automatically removed on close else the caller is
267 : responsible for removing the file on success.<br><br>
268 :
269 : @param pustrDirectoryURL [in]
270 : Specifies the full qualified URL where the temporary file should be created.
271 : If pustrDirectoryURL is 0 the path returned by osl_getTempDirURL will be used.
272 :
273 : @param pHandle [out]
274 : On success receives a handle to the open file.
275 : If pHandle is 0 the file will be closed on return, in this case
276 : pustrTempFileURL must not be 0.
277 :
278 : @param pustrTempFileURL [out]
279 : On success receives the full qualified URL of the temporary file.
280 : If pustrTempFileURL is 0 the file will be automatically removed
281 : on close, in this case pHandle must not be 0.
282 : If pustrTempFileURL is not 0 the caller receives the name of the
283 : created file and is responsible for removing the file.
284 :
285 : Description of the different pHandle, ppustrTempFileURL parameter combinations.
286 : pHandle is 0 and pustrTempDirURL is 0 - this combination is invalid<br>
287 : pHandle is not 0 and pustrTempDirURL is 0 - a handle to the open file
288 : will be returned on success and the file will be automatically removed on close<br>
289 : pHandle is 0 and pustrTempDirURL is not 0 - the name of the file will be
290 : returned, the caller is responsible for opening, closing and removing the file.<br>
291 : pHandle is not 0 and pustrTempDirURL is not 0 - a handle to the open file as well as
292 : the file name will be returned, the caller is responsible for closing and removing
293 : the file.<br>
294 :
295 : @return
296 : E_None on success
297 : E_INVAL the format of the parameter is invalid
298 : E_NOMEM not enough memory for allocating structures
299 : E_ACCES Permission denied
300 : E_NOENT No such file or directory
301 : E_NOTDIR Not a directory
302 : E_ROFS Read-only file system
303 : E_NOSPC No space left on device
304 : E_DQUOT Quota exceeded
305 :
306 : @see getTempDirURL()
307 : */
308 :
309 0 : static inline RC createTempFile(
310 : ::rtl::OUString* pustrDirectoryURL,
311 : oslFileHandle* pHandle,
312 : ::rtl::OUString* pustrTempFileURL)
313 : {
314 0 : rtl_uString* pustr_dir_url = pustrDirectoryURL ? pustrDirectoryURL->pData : 0;
315 0 : rtl_uString** ppustr_tmp_file_url = pustrTempFileURL ? &pustrTempFileURL->pData : 0;
316 :
317 0 : return static_cast< RC >( osl_createTempFile(pustr_dir_url, pHandle, ppustr_tmp_file_url) );
318 : }
319 : };
320 :
321 :
322 :
323 : /** The VolumeDevice class.
324 :
325 : @see VolumeInfo
326 : */
327 :
328 : class VolumeDevice : public FileBase
329 : {
330 : oslVolumeDeviceHandle _aHandle;
331 :
332 : public:
333 :
334 : /** Constructor.
335 : */
336 :
337 0 : VolumeDevice() : _aHandle( NULL )
338 : {
339 0 : }
340 :
341 : /** Copy constructor.
342 :
343 : @param rDevice
344 : The other volume device.
345 : */
346 :
347 : VolumeDevice( const VolumeDevice & rDevice )
348 : {
349 : _aHandle = rDevice._aHandle;
350 : if ( _aHandle )
351 : osl_acquireVolumeDeviceHandle( _aHandle );
352 : }
353 :
354 : /** Destructor.
355 : */
356 :
357 0 : ~VolumeDevice()
358 : {
359 0 : if ( _aHandle )
360 0 : osl_releaseVolumeDeviceHandle( _aHandle );
361 0 : }
362 :
363 : /** Assignment operator.
364 :
365 : @param rDevice
366 : The other volume device.
367 : */
368 :
369 : inline VolumeDevice & operator =( const VolumeDevice & rDevice )
370 : {
371 : oslVolumeDeviceHandle newHandle = rDevice._aHandle;
372 :
373 : if ( newHandle )
374 : osl_acquireVolumeDeviceHandle( newHandle );
375 :
376 : if ( _aHandle )
377 : osl_releaseVolumeDeviceHandle( _aHandle );
378 :
379 : _aHandle = newHandle;
380 :
381 : return *this;
382 : }
383 :
384 : /** Get the full qualified URL where a device is mounted to.
385 :
386 : @return
387 : The full qualified URL where the device is mounted to.
388 : */
389 : inline rtl::OUString getMountPath()
390 : {
391 : rtl::OUString aPath;
392 : osl_getVolumeDeviceMountPath( _aHandle, &aPath.pData );
393 : return aPath;
394 : }
395 :
396 : friend class VolumeInfo;
397 : };
398 :
399 :
400 :
401 : class Directory;
402 :
403 : /** The VolumeInfo class.
404 :
405 : Neither copy nor assignment is allowed for this class.
406 :
407 : @see Directory::getVolumeInfo
408 : */
409 :
410 :
411 : class VolumeInfo
412 : {
413 : oslVolumeInfo _aInfo;
414 : sal_uInt32 _nMask;
415 : VolumeDevice _aDevice;
416 :
417 : /** Copy constructor.
418 : */
419 :
420 : VolumeInfo( VolumeInfo& );
421 :
422 : /** Assginment operator.
423 : */
424 :
425 : VolumeInfo& operator = ( VolumeInfo& );
426 :
427 : public:
428 :
429 : /** Constructor.
430 :
431 : @param nMask
432 : Set of flags decribing the demanded information.
433 : */
434 :
435 0 : VolumeInfo( sal_uInt32 nMask )
436 0 : : _nMask( nMask )
437 : {
438 0 : memset( &_aInfo, 0, sizeof( oslVolumeInfo ));
439 0 : _aInfo.uStructSize = sizeof( oslVolumeInfo );
440 0 : _aInfo.pDeviceHandle = &_aDevice._aHandle;
441 0 : }
442 :
443 : /** Destructor.
444 : */
445 :
446 0 : ~VolumeInfo()
447 0 : {
448 0 : if( _aInfo.ustrFileSystemName )
449 0 : rtl_uString_release( _aInfo.ustrFileSystemName );
450 0 : }
451 :
452 : /** Check if specified fields are valid.
453 :
454 : @param nMask
455 : Set of flags for the fields to check.
456 :
457 : @return true if all fields are valid else false.
458 : */
459 :
460 0 : inline bool isValid( sal_uInt32 nMask ) const
461 : {
462 0 : return ( nMask & _aInfo.uValidFields ) == nMask;
463 : }
464 :
465 : /** Check the remote flag.
466 :
467 : @return
468 : true if Attributes are valid and the volume is remote else false.
469 : */
470 :
471 0 : inline bool getRemoteFlag() const
472 : {
473 0 : return 0 != (_aInfo.uAttributes & osl_Volume_Attribute_Remote);
474 : }
475 :
476 : /** Check the removeable flag.
477 :
478 : @return
479 : true if attributes are valid and the volume is removable else false.
480 : */
481 :
482 0 : inline bool getRemoveableFlag() const
483 : {
484 0 : return 0 != (_aInfo.uAttributes & osl_Volume_Attribute_Removeable);
485 : }
486 :
487 : /** Check the compact disc flag.
488 :
489 : @return
490 : true if attributes are valid and the volume is a CDROM else false.
491 : */
492 :
493 0 : inline bool getCompactDiscFlag() const
494 : {
495 0 : return 0 != (_aInfo.uAttributes & osl_Volume_Attribute_CompactDisc);
496 : }
497 :
498 : /** Check the floppy disc flag.
499 :
500 : @return
501 : true if attributes are valid and the volume is a floppy disk else false.
502 : */
503 :
504 0 : inline bool getFloppyDiskFlag() const
505 : {
506 0 : return 0 != (_aInfo.uAttributes & osl_Volume_Attribute_FloppyDisk);
507 : }
508 :
509 : /** Check the fixed disk flag.
510 :
511 : @return
512 : true if attributes are valid and the volume is a fixed disk else false.
513 : */
514 :
515 : inline bool getFixedDiskFlag() const
516 : {
517 : return 0 != (_aInfo.uAttributes & osl_Volume_Attribute_FixedDisk);
518 : }
519 :
520 : /** Check the RAM disk flag.
521 :
522 : @return
523 : true if attributes are valid and the volume is a RAM disk else false.
524 : */
525 :
526 : inline bool getRAMDiskFlag() const
527 : {
528 : return 0 != (_aInfo.uAttributes & osl_Volume_Attribute_RAMDisk);
529 : }
530 :
531 : /** Determine the total space of a volume device.
532 :
533 : @return
534 : The total diskspace of this volume if this information is valid,
535 : 0 otherwise.
536 : */
537 :
538 : inline sal_uInt64 getTotalSpace() const
539 : {
540 : return _aInfo.uTotalSpace;
541 : }
542 :
543 : /** Determine the free space of a volume device.
544 :
545 : @return
546 : The free diskspace of this volume if this information is valid,
547 : 0 otherwise.
548 : */
549 :
550 0 : inline sal_uInt64 getFreeSpace() const
551 : {
552 0 : return _aInfo.uFreeSpace;
553 : }
554 :
555 : /** Determine the used space of a volume device.
556 :
557 : @return
558 : The used diskspace of this volume if this information is valid,
559 : 0 otherwise.
560 : */
561 :
562 : inline sal_uInt64 getUsedSpace() const
563 : {
564 : return _aInfo.uUsedSpace;
565 : }
566 :
567 : /** Determine the maximal length of a file name.
568 :
569 : @return
570 : The maximal length of a file name if this information is valid,
571 : 0 otherwise.
572 : */
573 :
574 : inline sal_uInt32 getMaxNameLength() const
575 : {
576 : return _aInfo.uMaxNameLength;
577 : }
578 :
579 : /** Determine the maximal length of a path name.
580 :
581 : @return
582 : The maximal length of a path if this information is valid,
583 : 0 otherwise.
584 : */
585 :
586 : inline sal_uInt32 getMaxPathLength() const
587 : {
588 : return _aInfo.uMaxPathLength;
589 : }
590 :
591 : /** Determine the name of the volume device's File System.
592 :
593 : @return
594 : The name of the volume's fielsystem if this information is valid,
595 : otherwise an empty string.
596 : */
597 :
598 : inline ::rtl::OUString getFileSystemName() const
599 : {
600 : return _aInfo.ustrFileSystemName ? ::rtl::OUString( _aInfo.ustrFileSystemName ) : ::rtl::OUString();
601 : }
602 :
603 :
604 : /** Get the volume device handle.
605 :
606 : @return
607 : The device handle of the volume if this information is valid,
608 : otherwise returns NULL;
609 : */
610 :
611 : inline VolumeDevice getDeviceHandle() const
612 : {
613 : return _aDevice;
614 : }
615 :
616 : /** Return whether the file system is case sensitive or
617 : case insensitive
618 :
619 : @return
620 : true if the file system is case sensitive false otherwise
621 : */
622 : bool isCaseSensitiveFileSystem() const
623 : {
624 : return (_aInfo.uAttributes & osl_Volume_Attribute_Case_Sensitive);
625 : }
626 :
627 : /** Return whether the file system preserves the case of
628 : file and directory names or not
629 :
630 : @return
631 : true if the file system preserves the case of file and
632 : directory names false otherwise
633 : */
634 : bool isCasePreservingFileSystem() const
635 : {
636 : return (_aInfo.uAttributes & osl_Volume_Attribute_Case_Is_Preserved);
637 : }
638 :
639 : friend class Directory;
640 : };
641 :
642 :
643 : class DirectoryItem;
644 :
645 : /** The FileStatus class.
646 :
647 : @see DirectoryItem::getFileStatus
648 : */
649 :
650 : class FileStatus
651 : {
652 : oslFileStatus _aStatus;
653 : sal_uInt32 _nMask;
654 :
655 : /** Copy constructor.
656 : */
657 :
658 : FileStatus( FileStatus& );
659 :
660 : /** Assignment operator.
661 : */
662 :
663 : FileStatus& operator = ( FileStatus& );
664 :
665 : public:
666 :
667 : enum Type {
668 : Directory = osl_File_Type_Directory,
669 : Volume = osl_File_Type_Volume,
670 : Regular = osl_File_Type_Regular,
671 : Fifo = osl_File_Type_Fifo,
672 : Socket = osl_File_Type_Socket,
673 : Link = osl_File_Type_Link,
674 : Special = osl_File_Type_Special,
675 : Unknown = osl_File_Type_Unknown
676 : };
677 :
678 : /** Constructor.
679 :
680 : @param nMask
681 : Set of flags decribing the demanded information.
682 : */
683 :
684 1106867 : FileStatus( sal_uInt32 nMask ): _nMask( nMask )
685 : {
686 1106867 : _aStatus.uStructSize = sizeof( oslFileStatus );
687 1106867 : memset( &_aStatus.uValidFields, 0, sizeof( oslFileStatus ) - sizeof( sal_uInt32 ) );
688 1106867 : }
689 :
690 : /** Destructor.
691 : */
692 :
693 1106867 : ~FileStatus()
694 : {
695 1106867 : if ( _aStatus.ustrFileURL )
696 850275 : rtl_uString_release( _aStatus.ustrFileURL );
697 1106867 : if ( _aStatus.ustrLinkTargetURL )
698 25 : rtl_uString_release( _aStatus.ustrLinkTargetURL );
699 1106867 : if ( _aStatus.ustrFileName )
700 5 : rtl_uString_release( _aStatus.ustrFileName );
701 1106867 : }
702 :
703 : /** Check if specified fields are valid.
704 :
705 : @param nMask
706 : Set of flags for the fields to check.
707 :
708 : @return
709 : true if all fields are valid else false.
710 : */
711 :
712 850528 : inline bool isValid( sal_uInt32 nMask ) const
713 : {
714 850528 : return ( nMask & _aStatus.uValidFields ) == nMask;
715 : }
716 :
717 : /** Get the file type.
718 :
719 : @return
720 : The file type.
721 : */
722 229 : inline Type getFileType() const
723 : {
724 : SAL_INFO_IF(
725 : !isValid(osl_FileStatus_Mask_Type), "sal.osl",
726 : "no FileStatus Type determined");
727 229 : return isValid(osl_FileStatus_Mask_Type)
728 229 : ? static_cast< Type >(_aStatus.eType) : Unknown;
729 : }
730 :
731 : /** Is it a directory?
732 : This method returns True for both directories, and volumes.
733 :
734 : @return
735 : True if it's a directory, False otherwise.
736 :
737 : @see getFileType
738 : @since LibreOffice 3.6
739 : */
740 0 : inline bool isDirectory() const
741 : {
742 0 : return ( getFileType() == Directory || getFileType() == Volume );
743 : }
744 :
745 : /** Is it a regular file?
746 :
747 : @return
748 : True if it's a regular file, False otherwise.
749 :
750 : @see getFileType
751 : @see isFile
752 : @see isLink
753 : @since LibreOffice 3.6
754 : */
755 0 : inline bool isRegular() const
756 : {
757 0 : return ( getFileType() == Regular );
758 : }
759 :
760 : /** Is it a link?
761 :
762 : @return
763 : True if it's a link, False otherwise.
764 :
765 : @see getFileType
766 : @since LibreOffice 3.6
767 : */
768 : inline bool isLink() const
769 : {
770 : return ( getFileType() == Link );
771 : }
772 :
773 : /** Get the file attributes.
774 :
775 : @return
776 : The set of attribute flags of this file.
777 : */
778 :
779 0 : inline sal_uInt64 getAttributes() const
780 : {
781 : SAL_INFO_IF(
782 : !isValid(osl_FileStatus_Mask_Attributes), "sal.osl",
783 : "no FileStatus Attributes determined");
784 0 : return _aStatus.uAttributes;
785 : }
786 :
787 : /** Get the creation time of this file.
788 :
789 : @return
790 : The creation time if this information is valid, an uninitialized
791 : TimeValue otherwise.
792 : */
793 :
794 : inline TimeValue getCreationTime() const
795 : {
796 : SAL_INFO_IF(
797 : !isValid(osl_FileStatus_Mask_CreationTime), "sal.osl",
798 : "no FileStatus CreationTime determined");
799 : return _aStatus.aCreationTime;
800 : }
801 :
802 : /** Get the file access time.
803 :
804 : @return
805 : The last access time if this information is valid, an uninitialized
806 : TimeValue otherwise.
807 : */
808 :
809 : inline TimeValue getAccessTime() const
810 : {
811 : SAL_INFO_IF(
812 : !isValid(osl_FileStatus_Mask_AccessTime), "sal.osl",
813 : "no FileStatus AccessTime determined");
814 : return _aStatus.aAccessTime;
815 : }
816 :
817 : /** Get the file modification time.
818 :
819 : @return
820 : The last modified time if this information is valid, an uninitialized
821 : TimeValue otherwise.
822 : */
823 :
824 0 : inline TimeValue getModifyTime() const
825 : {
826 : SAL_INFO_IF(
827 : !isValid(osl_FileStatus_Mask_ModifyTime), "sal.osl",
828 : "no FileStatus ModifyTime determined");
829 0 : return _aStatus.aModifyTime;
830 : }
831 :
832 : /** Get the size of the file.
833 :
834 : @return
835 : The actual file size if this information is valid, 0 otherwise.
836 : */
837 :
838 0 : inline sal_uInt64 getFileSize() const
839 : {
840 : SAL_INFO_IF(
841 : !isValid(osl_FileStatus_Mask_FileSize), "sal.osl",
842 : "no FileStatus FileSize determined");
843 0 : return _aStatus.uFileSize;
844 : }
845 :
846 : /** Get the file name.
847 :
848 : @return
849 : The file name if this information is valid, an empty string otherwise.
850 : */
851 :
852 5 : inline ::rtl::OUString getFileName() const
853 : {
854 : SAL_INFO_IF(
855 : !isValid(osl_FileStatus_Mask_FileName), "sal.osl",
856 : "no FileStatus FileName determined");
857 5 : return isValid(osl_FileStatus_Mask_FileName)
858 5 : ? rtl::OUString(_aStatus.ustrFileName) : rtl::OUString();
859 : }
860 :
861 :
862 : /** Get the URL of the file.
863 :
864 : @return
865 : The full qualified URL of the file if this information is valid, an
866 : empty string otherwise.
867 : */
868 :
869 850269 : inline ::rtl::OUString getFileURL() const
870 : {
871 : SAL_INFO_IF(
872 : !isValid(osl_FileStatus_Mask_FileURL), "sal.osl",
873 : "no FileStatus FileURL determined");
874 850269 : return isValid(osl_FileStatus_Mask_FileURL)
875 850269 : ? rtl::OUString(_aStatus.ustrFileURL) : rtl::OUString();
876 : }
877 :
878 : /** Get the link target URL.
879 :
880 : @return
881 : The link target URL if this information is valid, an empty string
882 : otherwise.
883 : */
884 :
885 25 : inline ::rtl::OUString getLinkTargetURL() const
886 : {
887 : SAL_INFO_IF(
888 : !isValid(osl_FileStatus_Mask_LinkTargetURL), "sal.osl",
889 : "no FileStatus LinkTargetURL determined");
890 25 : return isValid(osl_FileStatus_Mask_LinkTargetURL)
891 25 : ? rtl::OUString(_aStatus.ustrLinkTargetURL) : rtl::OUString();
892 : }
893 :
894 : friend class DirectoryItem;
895 : };
896 :
897 :
898 :
899 : /** The file class object provides access to file contents and attributes.
900 :
901 : @see Directory
902 : @see DirectoryItem
903 : */
904 :
905 : class File: public FileBase
906 : {
907 : oslFileHandle _pData;
908 : ::rtl::OUString _aPath;
909 :
910 : /** Copy constructor.
911 : */
912 :
913 : File( File& );
914 :
915 : /** Assginment operator.
916 : */
917 :
918 : File& operator = ( File& );
919 :
920 : public:
921 :
922 : /** Constructor.
923 :
924 : @param ustrFileURL [in]
925 : The full qualified URL of the file. Relative paths are not allowed.
926 : */
927 :
928 1 : File( const ::rtl::OUString& ustrFileURL ): _pData( 0 ), _aPath( ustrFileURL ) {}
929 :
930 : /** Destructor
931 : */
932 :
933 1 : inline ~File()
934 1 : {
935 1 : close();
936 1 : }
937 :
938 : /** Obtain the URL.
939 :
940 : @return
941 : the URL with which this File instance was created.
942 :
943 : @since LibreOffice 4.1
944 : */
945 0 : inline rtl::OUString getURL() const { return _aPath; }
946 :
947 : /** Open a regular file.
948 :
949 : Open a file. Only regular files can be openend.
950 :
951 : @param uFlags [in]
952 : Specifies the open mode.
953 :
954 : @return
955 : E_None on success
956 : E_NOMEM not enough memory for allocating structures
957 : E_INVAL the format of the parameters was not valid
958 : E_NAMETOOLONG pathname was too long
959 : E_NOENT no such file or directory
960 : E_ACCES permission denied
961 : E_AGAIN a write lock could not be established
962 : E_NOTDIR not a directory
963 : E_NXIO no such device or address
964 : E_NODEV no such device
965 : E_ROFS read-only file system
966 : E_TXTBSY text file busy
967 : E_FAULT bad address
968 : E_LOOP too many symbolic links encountered
969 : E_NOSPC no space left on device
970 : E_ISDIR is a directory
971 : E_MFILE too many open files used by the process
972 : E_NFILE too many open files in the system
973 : E_DQUOT quota exceeded
974 : E_EXIST file exists
975 : E_INTR function call was interrupted
976 : E_IO on I/O errors
977 : E_MULTIHOP multihop attempted
978 : E_NOLINK link has been severed
979 : E_EOVERFLOW value too large for defined data type
980 :
981 : @see close()
982 : @see setPos()
983 : @see getPos()
984 : @see read()
985 : @see write()
986 : @see getSize()
987 : @see setSize()
988 : */
989 :
990 1 : inline RC open( sal_uInt32 uFlags )
991 : {
992 1 : return static_cast< RC >( osl_openFile( _aPath.pData, &_pData, uFlags ) );
993 : }
994 :
995 : /** Close an open file.
996 :
997 : @return
998 : E_None on success
999 : E_INVAL the format of the parameters was not valid
1000 : E_BADF Bad file
1001 : E_INTR function call was interrupted
1002 : E_NOLINK link has been severed
1003 : E_NOSPC no space left on device
1004 : E_IO on I/O errors
1005 :
1006 : @see open()
1007 : */
1008 :
1009 2 : inline RC close()
1010 : {
1011 2 : oslFileError Error = osl_File_E_BADF;
1012 :
1013 2 : if( _pData )
1014 : {
1015 1 : Error=osl_closeFile( _pData );
1016 1 : _pData = NULL;
1017 : }
1018 :
1019 2 : return static_cast< RC >( Error );
1020 : }
1021 :
1022 : /** Set the internal position pointer of an open file.
1023 :
1024 : @param uHow [in]
1025 : Distance to move the internal position pointer (from uPos).
1026 :
1027 : @param uPos [in]
1028 : Absolute position from the beginning of the file.
1029 :
1030 : @return
1031 : E_None on success
1032 : E_INVAL the format of the parameters was not valid
1033 : E_OVERFLOW the resulting file offset would be a value which cannot be represented correctly for regular files
1034 :
1035 : @see open()
1036 : @see getPos()
1037 : */
1038 :
1039 0 : inline RC setPos( sal_uInt32 uHow, sal_Int64 uPos ) SAL_WARN_UNUSED_RESULT
1040 : {
1041 0 : return static_cast< RC >( osl_setFilePos( _pData, uHow, uPos ) );
1042 : }
1043 :
1044 : /** Retrieve the current position of the internal pointer of an open file.
1045 :
1046 : @param uPos [out]
1047 : On success receives the current position of the file pointer.
1048 :
1049 : @return
1050 : E_None on success
1051 : E_INVAL the format of the parameters was not valid
1052 : E_OVERFLOW the resulting file offset would be a value which cannot be represented correctly for regular files
1053 :
1054 : @see open()
1055 : @see setPos()
1056 : @see read()
1057 : @see write()
1058 : */
1059 :
1060 0 : inline RC getPos( sal_uInt64& uPos )
1061 : {
1062 0 : return static_cast< RC >( osl_getFilePos( _pData, &uPos ) );
1063 : }
1064 :
1065 : /** Test if the end of a file is reached.
1066 :
1067 : @param pIsEOF [out]
1068 : Points to a variable that receives the end-of-file status.
1069 :
1070 : @return
1071 : E_None on success
1072 : E_INVAL the format of the parameters was not valid
1073 : E_INTR function call was interrupted
1074 : E_IO on I/O errors
1075 : E_ISDIR is a directory
1076 : E_BADF bad file
1077 : E_FAULT bad address
1078 : E_AGAIN operation would block
1079 : E_NOLINK link has been severed
1080 :
1081 : @see open()
1082 : @see read()
1083 : @see readLine()
1084 : @see setPos()
1085 : */
1086 :
1087 0 : inline RC isEndOfFile( sal_Bool *pIsEOF )
1088 : {
1089 0 : return static_cast< RC >( osl_isEndOfFile( _pData, pIsEOF ) );
1090 : }
1091 :
1092 : /** Set the file size of an open file.
1093 :
1094 : Sets the file size of an open file. The file can be truncated or enlarged by the function.
1095 : The position of the file pointer is not affeced by this function.
1096 :
1097 : @param uSize [in]
1098 : New size in bytes.
1099 :
1100 : @return
1101 : E_None on success
1102 : E_INVAL the format of the parameters was not valid
1103 : E_OVERFLOW the resulting file offset would be a value which cannot be represented correctly for regular files
1104 :
1105 : @see open()
1106 : @see setPos()
1107 : @see getStatus()
1108 : */
1109 :
1110 0 : inline RC setSize( sal_uInt64 uSize )
1111 : {
1112 0 : return static_cast< RC >( osl_setFileSize( _pData, uSize ) );
1113 : }
1114 :
1115 : /** Get the file size of an open file.
1116 :
1117 : Gets the file size of an open file.
1118 : The position of the file pointer is not affeced by this function.
1119 :
1120 : @param rSize [out]
1121 : Current size in bytes.
1122 :
1123 : @return
1124 : E_None on success
1125 : E_INVAL the format of the parameters was not valid
1126 : E_OVERFLOW the resulting file offset would be a value which cannot be represented correctly for regular files
1127 :
1128 : @see open()
1129 : @see setPos()
1130 : @see getSize()
1131 : @see setSize()
1132 : @see getStatus()
1133 : */
1134 :
1135 0 : inline RC getSize( sal_uInt64 &rSize )
1136 : {
1137 0 : return static_cast< RC >( osl_getFileSize( _pData, &rSize ) );
1138 : }
1139 :
1140 : /** Read a number of bytes from a file.
1141 :
1142 : Reads a number of bytes from a file. The internal file pointer is
1143 : increased by the number of bytes read.
1144 :
1145 : @param pBuffer [out]
1146 : Points to a buffer which receives data. The buffer must be large enough
1147 : to hold uBytesRequested bytes.
1148 :
1149 : @param uBytesRequested [in]
1150 : Number of bytes which should be retrieved.
1151 :
1152 : @param rBytesRead [out]
1153 : On success the number of bytes which have actually been retrieved.
1154 :
1155 : @return
1156 : E_None on success
1157 : E_INVAL the format of the parameters was not valid
1158 : E_INTR function call was interrupted
1159 : E_IO on I/O errors
1160 : E_ISDIR is a directory
1161 : E_BADF bad file
1162 : E_FAULT bad address
1163 : E_AGAIN operation would block
1164 : E_NOLINK link has been severed
1165 :
1166 : @see open()
1167 : @see write()
1168 : @see readLine()
1169 : @see setPos()
1170 : */
1171 :
1172 0 : inline RC read( void *pBuffer, sal_uInt64 uBytesRequested, sal_uInt64& rBytesRead )
1173 : {
1174 0 : return static_cast< RC >( osl_readFile( _pData, pBuffer, uBytesRequested, &rBytesRead ) );
1175 : }
1176 :
1177 : /** Write a number of bytes to a file.
1178 :
1179 : Writes a number of bytes to a file.
1180 : The internal file pointer is increased by the number of bytes read.
1181 :
1182 : @param pBuffer [in]
1183 : Points to a buffer which contains the data.
1184 :
1185 : @param uBytesToWrite [in]
1186 : Number of bytes which should be written.
1187 :
1188 : @param rBytesWritten [out]
1189 : On success the number of bytes which have actually been written.
1190 :
1191 : @return
1192 : E_None on success
1193 : E_INVAL the format of the parameters was not valid
1194 : E_FBIG file too large
1195 : E_DQUOT quota exceeded
1196 : E_AGAIN operation would block
1197 : E_BADF bad file
1198 : E_FAULT bad address
1199 : E_INTR function call was interrupted
1200 : E_IO on I/O errosr
1201 : E_NOLCK no record locks available
1202 : E_NOLINK link has been severed
1203 : E_NOSPC no space left on device
1204 : E_NXIO no such device or address
1205 :
1206 : @see open()
1207 : @see read()
1208 : @see setPos()
1209 : */
1210 :
1211 0 : inline RC write(const void *pBuffer, sal_uInt64 uBytesToWrite, sal_uInt64& rBytesWritten)
1212 : {
1213 0 : return static_cast< RC >( osl_writeFile( _pData, pBuffer, uBytesToWrite, &rBytesWritten ) );
1214 : }
1215 :
1216 :
1217 : /** Read a line from a file.
1218 :
1219 : Reads a line from a file. The new line delimiter is NOT returned!
1220 :
1221 : @param aSeq [in/out]
1222 : A reference to a ::rtl::ByteSequence that will hold the line read on success.
1223 :
1224 : @return
1225 : E_None on success
1226 : E_INVAL the format of the parameters was not valid
1227 : E_INTR function call was interrupted
1228 : E_IO on I/O errors
1229 : E_ISDIR is a directory
1230 : E_BADF bad file
1231 : E_FAULT bad address
1232 : E_AGAIN operation would block
1233 : E_NOLINK link has been severed
1234 :
1235 : @see open()
1236 : @see read()
1237 : @see write()
1238 : @see setPos()
1239 : */
1240 :
1241 1 : inline RC readLine( ::rtl::ByteSequence& aSeq )
1242 : {
1243 1 : return static_cast< RC >( osl_readLine( _pData, reinterpret_cast<sal_Sequence**>(&aSeq) ) );
1244 : }
1245 :
1246 : /** Synchronize the memory representation of a file with that on the physical medium.
1247 :
1248 : The function ensures that all modified data and attributes of the file associated with
1249 : the given file handle have been written to the physical medium.
1250 : In case the hard disk has a write cache enabled, the data may not really be on
1251 : permanent storage when osl_syncFile returns.
1252 :
1253 : @return
1254 : <dl>
1255 : <dt>E_None</dt>
1256 : <dd>On success</dd>
1257 : <dt>E_INVAL</dt>
1258 : <dd>The value of the input parameter is invalid</dd>
1259 : <br><p><strong>In addition to these error codes others may occur as well, for instance:</strong></p><br>
1260 : <dt>E_BADF</dt>
1261 : <dd>The file is not open for writing</dd>
1262 : <dt>E_IO</dt>
1263 : <dd>An I/O error occurred</dd>
1264 : <dt>E_NOSPC</dt>
1265 : <dd>There is no enough space on the target device</dd>
1266 : <dt>E_ROFS</dt>
1267 : <dd>The file is located on a read only file system</dd>
1268 : <dt>E_TIMEDOUT</dt>
1269 : <dd>A remote connection timed out. This may happen when a file is on a remote location</dd>
1270 : </dl>
1271 :
1272 : @see osl_syncFile()
1273 : @see open()
1274 : @see write()
1275 : */
1276 0 : inline RC sync() const
1277 : {
1278 : OSL_PRECOND(_pData, "File::sync(): File not open");
1279 0 : return static_cast< RC >(osl_syncFile(_pData));
1280 : }
1281 :
1282 : /** Copy a file to a new destination.
1283 :
1284 : Copies a file to a new destination. Copies only files not directories.
1285 : No assumptions should be made about preserving attributes or file time.
1286 :
1287 : @param ustrSourceFileURL [in]
1288 : Full qualified URL of the source file.
1289 :
1290 : @param ustrDestFileURL [in]
1291 : Full qualified URL of the destination file. A directory is NOT a valid destination file!
1292 :
1293 : @return
1294 : E_None on success
1295 : E_INVAL the format of the parameters was not valid
1296 : E_NOMEM not enough memory for allocating structures
1297 : E_ACCES permission denied
1298 : E_PERM operation not permitted
1299 : E_NAMETOOLONG file name too long
1300 : E_NOENT no such file or directory
1301 : E_ISDIR is a directory
1302 : E_ROFS read-only file system
1303 :
1304 : @see move()
1305 : @see remove()
1306 : */
1307 :
1308 0 : inline static RC copy( const ::rtl::OUString& ustrSourceFileURL, const ::rtl::OUString& ustrDestFileURL )
1309 : {
1310 0 : return static_cast< RC >( osl_copyFile( ustrSourceFileURL.pData, ustrDestFileURL.pData ) );
1311 : }
1312 :
1313 : /** Move a file or directory to a new destination or renames it.
1314 :
1315 : Moves a file or directory to a new destination or renames it.
1316 : File time and attributes are preserved.
1317 :
1318 : @param ustrSourceFileURL [in]
1319 : Full qualified URL of the source file.
1320 :
1321 : @param ustrDestFileURL [in]
1322 : Full qualified URL of the destination file. An existing directory is NOT a valid destination !
1323 :
1324 : @return
1325 : E_None on success
1326 : E_INVAL the format of the parameters was not valid
1327 : E_NOMEM not enough memory for allocating structures
1328 : E_ACCES permission denied
1329 : E_PERM operation not permitted
1330 : E_NAMETOOLONG file name too long
1331 : E_NOENT no such file or directory
1332 : E_ROFS read-only file system
1333 :
1334 : @see copy()
1335 : */
1336 :
1337 0 : inline static RC move( const ::rtl::OUString& ustrSourceFileURL, const ::rtl::OUString& ustrDestFileURL )
1338 : {
1339 0 : return static_cast< RC >( osl_moveFile( ustrSourceFileURL.pData, ustrDestFileURL.pData ) );
1340 : }
1341 :
1342 : /** Remove a regular file.
1343 :
1344 : @param ustrFileURL [in]
1345 : Full qualified URL of the file to remove.
1346 :
1347 : @return
1348 : E_None on success
1349 : E_INVAL the format of the parameters was not valid
1350 : E_NOMEM not enough memory for allocating structures
1351 : E_ACCES permission denied
1352 : E_PERM operation not permitted
1353 : E_NAMETOOLONG file name too long
1354 : E_NOENT no such file or directory
1355 : E_ISDIR is a directory
1356 : E_ROFS read-only file system
1357 : E_FAULT bad address
1358 : E_LOOP too many symbolic links encountered
1359 : E_IO on I/O errors
1360 : E_BUSY device or resource busy
1361 : E_INTR function call was interrupted
1362 : E_LOOP too many symbolic links encountered
1363 : E_MULTIHOP multihop attempted
1364 : E_NOLINK link has been severed
1365 : E_TXTBSY text file busy
1366 :
1367 : @see open()
1368 : */
1369 :
1370 0 : inline static RC remove( const ::rtl::OUString& ustrFileURL )
1371 : {
1372 0 : return static_cast< RC >( osl_removeFile( ustrFileURL.pData ) );
1373 : }
1374 :
1375 : /** Set file attributes.
1376 :
1377 : @param ustrFileURL [in]
1378 : The full qualified file URL.
1379 :
1380 : @param uAttributes [in]
1381 : Attributes of the file to be set.
1382 :
1383 : @return
1384 : E_None on success
1385 : E_INVAL the format of the parameters was not valid
1386 :
1387 : @see FileStatus
1388 : */
1389 :
1390 0 : inline static RC setAttributes( const ::rtl::OUString& ustrFileURL, sal_uInt64 uAttributes )
1391 : {
1392 0 : return static_cast< RC >( osl_setFileAttributes( ustrFileURL.pData, uAttributes ) );
1393 : }
1394 :
1395 : /** Set the file time.
1396 :
1397 : @param ustrFileURL [in]
1398 : The full qualified URL of the file.
1399 :
1400 : @param rCreationTime [in]
1401 : Creation time of the given file.
1402 :
1403 : @param rLastAccessTime [in]
1404 : Time of the last access of the given file.
1405 :
1406 : @param rLastWriteTime [in]
1407 : Time of the last modifying of the given file.
1408 :
1409 : @return
1410 : E_None on success
1411 : E_INVAL the format of the parameters was not valid
1412 : E_NOENT no such file or directory not found
1413 :
1414 : @see FileStatus
1415 : */
1416 :
1417 : inline static RC setTime(
1418 : const ::rtl::OUString& ustrFileURL,
1419 : const TimeValue& rCreationTime,
1420 : const TimeValue& rLastAccessTime,
1421 : const TimeValue& rLastWriteTime )
1422 : {
1423 : return static_cast< RC >( osl_setFileTime(
1424 : ustrFileURL.pData,
1425 : &rCreationTime,
1426 : &rLastAccessTime,
1427 : &rLastWriteTime ) );
1428 : }
1429 :
1430 : friend class DirectoryItem;
1431 : };
1432 :
1433 :
1434 : /** The directory item class object provides access to file status information.
1435 :
1436 : @see FileStatus
1437 : */
1438 :
1439 : class DirectoryItem: public FileBase
1440 : {
1441 : oslDirectoryItem _pData;
1442 :
1443 : public:
1444 :
1445 : /** Constructor.
1446 : */
1447 :
1448 1234482 : DirectoryItem(): _pData( NULL )
1449 : {
1450 1234482 : }
1451 :
1452 : /** Copy constructor.
1453 : */
1454 :
1455 0 : DirectoryItem( const DirectoryItem& rItem ): _pData( rItem._pData)
1456 : {
1457 0 : if( _pData )
1458 0 : osl_acquireDirectoryItem( _pData );
1459 0 : }
1460 :
1461 : /** Destructor.
1462 : */
1463 :
1464 1234482 : ~DirectoryItem()
1465 : {
1466 1234482 : if( _pData )
1467 1105302 : osl_releaseDirectoryItem( _pData );
1468 1234482 : }
1469 :
1470 : /** Assignment operator.
1471 : */
1472 :
1473 0 : DirectoryItem& operator=(const DirectoryItem& rItem )
1474 : {
1475 0 : if (&rItem != this)
1476 : {
1477 0 : if( _pData )
1478 0 : osl_releaseDirectoryItem( _pData );
1479 :
1480 0 : _pData = rItem._pData;
1481 :
1482 0 : if( _pData )
1483 0 : osl_acquireDirectoryItem( _pData );
1484 : }
1485 0 : return *this;
1486 : }
1487 :
1488 : /** Check for validity of this instance.
1489 :
1490 : @return
1491 : true if object is valid directory item else false.
1492 : */
1493 :
1494 0 : inline bool is()
1495 : {
1496 0 : return _pData != NULL;
1497 : }
1498 :
1499 : /** Retrieve a single directory item.
1500 :
1501 : Retrieves a single directory item. The returned handle has an initial refcount of 1.
1502 : Due to performance issues it is not recommended to use this function while
1503 : enumerating the contents of a directory. In this case use osl_getNextDirectoryItem() instead.
1504 :
1505 : @param ustrFileURL [in]
1506 : An absolute file URL.
1507 :
1508 : @param rItem [out]
1509 : On success it receives a handle which can be used for subsequent calls to osl_getFileStatus().
1510 : The handle has to be released by a call to osl_releaseDirectoryItem().
1511 :
1512 : @return
1513 : E_None on success
1514 : E_INVAL the format of the parameters was not valid
1515 : E_NOMEM not enough memory for allocating structures
1516 : E_ACCES permission denied
1517 : E_MFILE too many open files used by the process
1518 : E_NFILE too many open files in the system
1519 : E_NOENT no such file or directory
1520 : E_LOOP too many symbolic links encountered
1521 : E_NAMETOOLONG the file name is too long
1522 : E_NOTDIR a component of the path prefix of path is not a directory
1523 : E_IO on I/O errors
1524 : E_MULTIHOP multihop attempted
1525 : E_NOLINK link has been severed
1526 : E_FAULT bad address
1527 : E_INTR the function call was interrupted
1528 :
1529 : @see FileStatus
1530 : @see Directory::getNextItem()
1531 : */
1532 :
1533 1234496 : static inline RC get( const ::rtl::OUString& ustrFileURL, DirectoryItem& rItem )
1534 : {
1535 1234496 : if( rItem._pData)
1536 : {
1537 49 : osl_releaseDirectoryItem( rItem._pData );
1538 49 : rItem._pData = NULL;
1539 : }
1540 :
1541 1234496 : return static_cast< RC >( osl_getDirectoryItem( ustrFileURL.pData, &rItem._pData ) );
1542 : }
1543 :
1544 : /** Retrieve information about a single file or directory.
1545 :
1546 : @param rStatus [in|out]
1547 : Reference to a class which receives the information of the file or directory
1548 : represented by this directory item.
1549 :
1550 : @return
1551 : E_None on success
1552 : E_NOMEM not enough memory for allocating structures
1553 : E_INVAL the format of the parameters was not valid
1554 : E_LOOP too many symbolic links encountered
1555 : E_ACCES permission denied
1556 : E_NOENT no such file or directory
1557 : E_NAMETOOLONG file name too long
1558 : E_BADF invalid oslDirectoryItem parameter
1559 : E_FAULT bad address
1560 : E_OVERFLOW value too large for defined data type
1561 : E_INTR function call was interrupted
1562 : E_NOLINK link has been severed
1563 : E_MULTIHOP components of path require hopping to multiple remote machines and the file system does not allow it
1564 : E_MFILE too many open files used by the process
1565 : E_NFILE too many open files in the system
1566 : E_NOSPC no space left on device
1567 : E_NXIO no such device or address
1568 : E_IO on I/O errors
1569 : E_NOSYS function not implemented
1570 :
1571 : @see get()
1572 : @see Directory::getNextItem()
1573 : @see FileStatus
1574 : */
1575 :
1576 1062833 : inline RC getFileStatus( FileStatus& rStatus )
1577 : {
1578 1062833 : return static_cast< RC >( osl_getFileStatus( _pData, &rStatus._aStatus, rStatus._nMask ) );
1579 : }
1580 :
1581 : /** Determine if a directory item point the same underlying file
1582 :
1583 : The comparison is done first by URL, and then by resolving links to
1584 : find the target, and finally by comparing inodes on unix.
1585 :
1586 : @param[in] pOther
1587 : A directory handle to compare with the underlying object's item
1588 :
1589 : @return
1590 : true: if the items point to an identical resource<br>
1591 : false: if the items point to a different resource, or a fatal error occured<br>
1592 :
1593 : @see osl_getDirectoryItem()
1594 :
1595 : @since LibreOffice 3.6
1596 : */
1597 0 : inline bool isIdenticalTo( const DirectoryItem &pOther )
1598 : {
1599 0 : return osl_identicalDirectoryItem( _pData, pOther._pData );
1600 : }
1601 :
1602 : friend class Directory;
1603 : };
1604 :
1605 :
1606 :
1607 : /** Base class for observers of directory creation notifications.
1608 :
1609 : Clients which uses the method createDirectoryPath of the class
1610 : Directory may want to be informed about the directories that
1611 : have been created. This may be accomplished by deriving from
1612 : this base class and overwriting the virtual function
1613 : DirectoryCreated.
1614 :
1615 : @see Directory::createPath
1616 : */
1617 : class DirectoryCreationObserver
1618 : {
1619 : public:
1620 : virtual ~DirectoryCreationObserver() {}
1621 :
1622 : /** This method will be called when a new directory has been
1623 : created and needs to be overwritten by derived classes.
1624 : You must not delete the directory that was just created
1625 : otherwise you will run into an endless loop.
1626 :
1627 : @param aDirectoryUrl
1628 : [in]The absolute file URL of the directory that was just created by
1629 : ::osl::Directory::createPath.
1630 : */
1631 : virtual void DirectoryCreated(const rtl::OUString& aDirectoryUrl) = 0;
1632 : };
1633 :
1634 :
1635 : // This just an internal helper function for
1636 : // private use.
1637 0 : extern "C" inline void SAL_CALL onDirectoryCreated(void* pData, rtl_uString* aDirectoryUrl)
1638 : {
1639 0 : (static_cast<DirectoryCreationObserver*>(pData))->DirectoryCreated(aDirectoryUrl);
1640 0 : }
1641 :
1642 : /** The directory class object provides a enumeration of DirectoryItems.
1643 :
1644 : @see DirectoryItem
1645 : @see File
1646 : */
1647 :
1648 : class Directory: public FileBase
1649 : {
1650 : oslDirectory _pData;
1651 : ::rtl::OUString _aPath;
1652 :
1653 : /** Copy constructor.
1654 : */
1655 :
1656 : Directory( Directory& );
1657 :
1658 : /** Assignment operator.
1659 : */
1660 :
1661 : Directory& operator = ( Directory& );
1662 :
1663 : public:
1664 :
1665 : /** Constructor.
1666 :
1667 : @param strPath [in]
1668 : The full qualified URL of the directory.
1669 : Relative URLs are not allowed.
1670 : */
1671 :
1672 76 : Directory( const ::rtl::OUString& strPath ): _pData( 0 ), _aPath( strPath )
1673 : {
1674 76 : }
1675 :
1676 : /** Destructor.
1677 : */
1678 :
1679 76 : ~Directory()
1680 76 : {
1681 76 : close();
1682 76 : }
1683 :
1684 : /** Obtain the URL.
1685 :
1686 : @return
1687 : the URL with which this Directory instance was created.
1688 :
1689 : @since LibreOffice 4.1
1690 : */
1691 : inline rtl::OUString getURL() const { return _aPath; }
1692 :
1693 : /** Open a directory for enumerating its contents.
1694 :
1695 : @return
1696 : E_None on success
1697 : E_INVAL the format of the parameters was not valid
1698 : E_NOENT the specified path doesn't exist
1699 : E_NOTDIR the specified path is not an directory
1700 : E_NOMEM not enough memory for allocating structures
1701 : E_ACCES permission denied
1702 : E_MFILE too many open files used by the process
1703 : E_NFILE too many open files in the system
1704 : E_NAMETOOLONG File name too long
1705 : E_LOOP Too many symbolic links encountered
1706 :
1707 : @see getNextItem()
1708 : @see close()
1709 : */
1710 :
1711 76 : inline RC open()
1712 : {
1713 76 : return static_cast< RC >( osl_openDirectory( _aPath.pData, &_pData ) );
1714 : }
1715 :
1716 : /** Query if directory is open.
1717 :
1718 : Query if directory is open and so item enumeration is valid.
1719 :
1720 : @return
1721 : true if the directory is open else false.
1722 :
1723 : @see open()
1724 : @see close()
1725 : */
1726 :
1727 0 : inline bool isOpen() { return _pData != NULL; }
1728 :
1729 : /** Close a directory.
1730 :
1731 : @return
1732 : E_None on success
1733 : E_INVAL the format of the parameters was not valid
1734 : E_NOMEM not enough memory for allocating structures
1735 : E_BADF invalid oslDirectory parameter
1736 : E_INTR the function call was interrupted
1737 :
1738 : @see open()
1739 : */
1740 :
1741 80 : inline RC close()
1742 : {
1743 80 : oslFileError Error = osl_File_E_BADF;
1744 :
1745 80 : if( _pData )
1746 : {
1747 6 : Error=osl_closeDirectory( _pData );
1748 6 : _pData = NULL;
1749 : }
1750 :
1751 80 : return static_cast< RC >( Error );
1752 : }
1753 :
1754 :
1755 : /** Resets the directory item enumeration to the beginning.
1756 :
1757 : @return
1758 : E_None on success
1759 : E_INVAL the format of the parameters was not valid
1760 : E_NOENT the specified path doesn't exist
1761 : E_NOTDIR the specified path is not an directory
1762 : E_NOMEM not enough memory for allocating structures
1763 : E_ACCES permission denied
1764 : E_MFILE too many open files used by the process
1765 : E_NFILE too many open files in the system
1766 : E_NAMETOOLONG File name too long
1767 : E_LOOP Too many symbolic links encountered
1768 :
1769 : @see open()
1770 : */
1771 :
1772 4 : inline RC reset()
1773 : {
1774 4 : close();
1775 4 : return open();
1776 : }
1777 :
1778 : /** Retrieve the next item of a previously opened directory.
1779 :
1780 : Retrieves the next item of a previously opened directory.
1781 :
1782 : @param rItem [out]
1783 : On success a valid DirectoryItem.
1784 :
1785 : @param nHint [in]
1786 : With this parameter the caller can tell the implementation that (s)he
1787 : is going to call this function uHint times afterwards. This enables the implementation to
1788 : get the information for more than one file and cache it until the next calls.
1789 :
1790 : @return
1791 : E_None on success
1792 : E_INVAL the format of the parameters was not valid
1793 : E_NOMEM not enough memory for allocating structures
1794 : E_NOENT no more entries in this directory
1795 : E_BADF invalid oslDirectory parameter
1796 : E_OVERFLOW the value too large for defined data type
1797 :
1798 : @see DirectoryItem
1799 : */
1800 :
1801 33 : inline RC getNextItem( DirectoryItem& rItem, sal_uInt32 nHint = 0 )
1802 : {
1803 33 : if( rItem._pData )
1804 : {
1805 22 : osl_releaseDirectoryItem( rItem._pData );
1806 22 : rItem._pData = 0;
1807 : }
1808 33 : return ( RC) osl_getNextDirectoryItem( _pData, &rItem._pData, nHint );
1809 : }
1810 :
1811 :
1812 : /** Retrieve information about a volume.
1813 :
1814 : Retrieves information about a volume. A volume can either be a mount point, a network
1815 : resource or a drive depending on Operating System and File System.
1816 :
1817 : @param ustrDirectoryURL [in]
1818 : Full qualified URL of the volume
1819 :
1820 : @param rInfo [out]
1821 : On success it receives information about the volume.
1822 :
1823 : @return
1824 : E_None on success
1825 : E_NOMEM not enough memory for allocating structures
1826 : E_INVAL the format of the parameters was not valid
1827 : E_NOTDIR not a directory
1828 : E_NAMETOOLONG file name too long
1829 : E_NOENT no such file or directory
1830 : E_ACCES permission denied
1831 : E_LOOP too many symbolic links encountered
1832 : E_FAULT Bad address
1833 : E_IO on I/O errors
1834 : E_NOSYS function not implemented
1835 : E_MULTIHOP multihop attempted
1836 : E_NOLINK link has been severed
1837 : E_INTR function call was interrupted
1838 :
1839 : @see FileStatus
1840 : @see VolumeInfo
1841 : */
1842 :
1843 0 : inline static RC getVolumeInfo( const ::rtl::OUString& ustrDirectoryURL, VolumeInfo& rInfo )
1844 : {
1845 0 : return static_cast< RC >( osl_getVolumeInformation( ustrDirectoryURL.pData, &rInfo._aInfo, rInfo._nMask ) );
1846 : }
1847 :
1848 : /** Create a directory.
1849 :
1850 : @param ustrDirectoryURL [in]
1851 : Full qualified URL of the directory to create.
1852 :
1853 : @return
1854 : E_None on success
1855 : E_INVAL the format of the parameters was not valid
1856 : E_NOMEM not enough memory for allocating structures
1857 : E_EXIST file exists
1858 : E_ACCES permission denied
1859 : E_NAMETOOLONG file name too long
1860 : E_NOENT no such file or directory
1861 : E_NOTDIR not a directory
1862 : E_ROFS read-only file system
1863 : E_NOSPC no space left on device
1864 : E_DQUOT quota exceeded
1865 : E_LOOP too many symbolic links encountered
1866 : E_FAULT bad address
1867 : E_IO on I/O errors
1868 : E_MLINK too many links
1869 : E_MULTIHOP multihop attempted
1870 : E_NOLINK link has been severed
1871 :
1872 : @see remove()
1873 : */
1874 :
1875 0 : inline static RC create( const ::rtl::OUString& ustrDirectoryURL )
1876 : {
1877 0 : return static_cast< RC >( osl_createDirectory( ustrDirectoryURL.pData ) );
1878 : }
1879 :
1880 : /** Remove an empty directory.
1881 :
1882 : @param ustrDirectoryURL [in]
1883 : Full qualified URL of the directory.
1884 :
1885 : @return
1886 : E_None on success
1887 : E_INVAL the format of the parameters was not valid
1888 : E_NOMEM not enough memory for allocating structures
1889 : E_PERM operation not permitted
1890 : E_ACCES permission denied
1891 : E_NOENT no such file or directory
1892 : E_NOTDIR not a directory
1893 : E_NOTEMPTY directory not empty
1894 : E_FAULT bad address
1895 : E_NAMETOOLONG file name too long
1896 : E_BUSY device or resource busy
1897 : E_ROFS read-only file system
1898 : E_LOOP too many symbolic links encountered
1899 : E_BUSY device or resource busy
1900 : E_EXIST file exists
1901 : E_IO on I/O errors
1902 : E_MULTIHOP multihop attempted
1903 : E_NOLINK link has been severed
1904 :
1905 : @see create()
1906 : */
1907 :
1908 0 : inline static RC remove( const ::rtl::OUString& ustrDirectoryURL )
1909 : {
1910 0 : return static_cast< RC >( osl_removeDirectory( ustrDirectoryURL.pData ) );
1911 : }
1912 :
1913 : /** Create a directory path.
1914 :
1915 : The osl_createDirectoryPath function creates a specified directory path.
1916 : All nonexisting sub directories will be created.
1917 : <p><strong>PLEASE NOTE:</strong> You cannot rely on getting the error code
1918 : E_EXIST for existing directories. Programming against this error code is
1919 : in general a strong indication of a wrong usage of osl_createDirectoryPath.</p>
1920 :
1921 : @param aDirectoryUrl
1922 : [in] The absolute file URL of the directory path to create.
1923 : A relative file URL will not be accepted.
1924 :
1925 : @param aDirectoryCreationObserver
1926 : [in] Pointer to an instance of type DirectoryCreationObserver that will
1927 : be informed about the creation of a directory. The value of this
1928 : parameter may be NULL, in this case notifications will not be sent.
1929 :
1930 : @return
1931 : <dl>
1932 : <dt>E_None</dt>
1933 : <dd>On success</dd>
1934 : <dt>E_INVAL</dt>
1935 : <dd>The format of the parameters was not valid</dd>
1936 : <dt>E_ACCES</dt>
1937 : <dd>Permission denied</dd>
1938 : <dt>E_EXIST</dt>
1939 : <dd>The final node of the specified directory path already exist</dd>
1940 : <dt>E_NAMETOOLONG</dt>
1941 : <dd>The name of the specified directory path exceeds the maximum allowed length</dd>
1942 : <dt>E_NOTDIR</dt>
1943 : <dd>A component of the specified directory path already exist as file in any part of the directory path</dd>
1944 : <dt>E_ROFS</dt>
1945 : <dd>Read-only file system</dd>
1946 : <dt>E_NOSPC</dt>
1947 : <dd>No space left on device</dd>
1948 : <dt>E_DQUOT</dt>
1949 : <dd>Quota exceeded</dd>
1950 : <dt>E_FAULT</dt>
1951 : <dd>Bad address</dd>
1952 : <dt>E_IO</dt>
1953 : <dd>I/O error</dd>
1954 : <dt>E_LOOP</dt>
1955 : <dd>Too many symbolic links encountered</dd>
1956 : <dt>E_NOLINK</dt>
1957 : <dd>Link has been severed</dd>
1958 : <dt>E_invalidError</dt>
1959 : <dd>An unknown error occurred</dd>
1960 : </dl>
1961 :
1962 : @see DirectoryCreationObserver
1963 : @see create
1964 : */
1965 1 : static RC createPath(
1966 : const ::rtl::OUString& aDirectoryUrl,
1967 : DirectoryCreationObserver* aDirectoryCreationObserver = NULL)
1968 : {
1969 : return static_cast< RC >(osl_createDirectoryPath(
1970 : aDirectoryUrl.pData,
1971 : (aDirectoryCreationObserver) ? onDirectoryCreated : NULL,
1972 1 : aDirectoryCreationObserver));
1973 : }
1974 : };
1975 :
1976 : } /* namespace osl */
1977 :
1978 : #endif // INCLUDED_OSL_FILE_HXX
1979 :
1980 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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