nsFileSpecOS2.cpp@ 49482

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1	/* *** BEGIN LICENSE BLOCK ***
2	* Version: MPL 1.1/GPL 2.0/LGPL 2.1
3	*
4	* The contents of this file are subject to the Mozilla Public License Version
5	* 1.1 (the "License"); you may not use this file except in compliance with
6	* the License. You may obtain a copy of the License at
7	* http://www.mozilla.org/MPL/
8	*
9	* Software distributed under the License is distributed on an "AS IS" basis,
10	* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11	* for the specific language governing rights and limitations under the
12	* License.
13	*
14	* The Original Code is the Mozilla OS/2 libraries.
15	*
16	* The Initial Developer of the Original Code is
17	* John Fairhurst, <john_fairhurst@iname.com>.
18	* Portions created by the Initial Developer are Copyright (C) 1998
19	* the Initial Developer. All Rights Reserved.
20	*
21	* Contributor(s):
22	* Henry Sobotka <sobotka@axess.com>
23	* 00/01/06: general review and update against Win/Unix versions;
24	* replaced nsFileSpec::Execute implementation with system() call
25	*
26	* Alternatively, the contents of this file may be used under the terms of
27	* either of the GNU General Public License Version 2 or later (the "GPL"),
28	* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29	* in which case the provisions of the GPL or the LGPL are applicable instead
30	* of those above. If you wish to allow use of your version of this file only
31	* under the terms of either the GPL or the LGPL, and not to allow others to
32	* use your version of this file under the terms of the MPL, indicate your
33	* decision by deleting the provisions above and replace them with the notice
34	* and other provisions required by the GPL or the LGPL. If you do not delete
35	* the provisions above, a recipient may use your version of this file under
36	* the terms of any one of the MPL, the GPL or the LGPL.
37	*
38	* *** END LICENSE BLOCK ***
39	*
40	* This Original Code has been modified by IBM Corporation.
41	* Modifications made by IBM described herein are
42	* Copyright (c) International Business Machines
43	* Corporation, 2000
44	*
45	* Modifications to Mozilla code or documentation
46	* identified per MPL Section 3.3
47	*
48	* Date Modified by Description of modification
49	* 03/23/2000 IBM Corp. Fixed bug where 2 char or less profile names treated as drive letters.
50	* 06/20/2000 IBM Corp. Make it more like Windows version.
51	*/
52
53	#define INCL_DOSERRORS
54	#define INCL_DOS
55	#define INCL_WINWORKPLACE
56	#include <os2.h>
57
58	#ifdef XP_OS2_VACPP
59	#include <direct.h>
60	#endif
61
62	#include <sys/types.h>
63	#include <sys/stat.h>
64	#include <limits.h>
65	#include <ctype.h>
66	#include <io.h>
67
68	//----------------------------------------------------------------------------------------
69	void nsFileSpecHelpers::Canonify(nsSimpleCharString& ioPath, PRBool inMakeDirs)
70	// Canonify, make absolute, and check whether directories exist. This
71	// takes a (possibly relative) native path and converts it into a
72	// fully qualified native path.
73	//----------------------------------------------------------------------------------------
74	{
75	if (ioPath.IsEmpty())
76	return;
77
78	NS_ASSERTION(strchr((const char*)ioPath, '/') == 0,
79	"This smells like a Unix path. Native path expected! "
80	"Please fix.");
81	if (inMakeDirs)
82	{
83	const int mode = 0700;
84	nsSimpleCharString unixStylePath = ioPath;
85	nsFileSpecHelpers::NativeToUnix(unixStylePath);
86	nsFileSpecHelpers::MakeAllDirectories((const char*)unixStylePath, mode);
87	}
88	char buffer[_MAX_PATH];
89	errno = 0;
90	*buffer = '\0';
91	#ifdef XP_OS2
92	PRBool removedBackslash = PR_FALSE;
93	PRUint32 lenstr = ioPath.Length();
94	char &lastchar = ioPath[lenstr -1];
95
96	// Strip off any trailing backslash UNLESS it's the backslash that
97	// comes after "X:". Note also that "\" is valid. Sheesh.
98	//
99	if( lastchar == '\\' && (lenstr != 3 \|\| ioPath[1] != ':') && lenstr != 1)
100	{
101	lastchar = '\0';
102	removedBackslash = PR_TRUE;
103	}
104
105	char canonicalPath[CCHMAXPATH] = "";
106
107	DosQueryPathInfo( (char*) ioPath,
108	FIL_QUERYFULLNAME,
109	canonicalPath,
110	CCHMAXPATH);
111	#else
112	char* canonicalPath = _fullpath(buffer, ioPath, _MAX_PATH);
113	#endif
114
115	if (canonicalPath)
116	{
117	NS_ASSERTION( canonicalPath[0] != '\0', "Uh oh...couldn't convert" );
118	if (canonicalPath[0] == '\0')
119	return;
120	#ifdef XP_OS2
121	// If we removed that backslash, add it back onto the fullpath
122	if (removedBackslash)
123	strcat( canonicalPath, "\\");
124	#endif
125	}
126	ioPath = canonicalPath;
127	} // nsFileSpecHelpers::Canonify
128
129	//----------------------------------------------------------------------------------------
130	void nsFileSpecHelpers::UnixToNative(nsSimpleCharString& ioPath)
131	// This just does string manipulation. It doesn't check reality, or canonify, or
132	// anything
133	//----------------------------------------------------------------------------------------
134	{
135	// Allow for relative or absolute. We can do this in place, because the
136	// native path is never longer.
137
138	if (ioPath.IsEmpty())
139	return;
140
141	// Strip initial slash for an absolute path
142	char* src = (char*)ioPath;
143	if (*src == '/') {
144	if (!src[1]) {
145	// allocate new string by copying from ioPath[1]
146	nsSimpleCharString temp = src + 1;
147	ioPath = temp;
148	return;
149	}
150	// Since it was an absolute path, check for the drive letter
151	char* colonPointer = src + 2;
152	if (strstr(src, "\|/") == colonPointer)
153	*colonPointer = ':';
154	// allocate new string by copying from ioPath[1]
155	nsSimpleCharString temp = src + 1;
156	ioPath = temp;
157	}
158
159	src = (char*)ioPath;
160
161	if (*src) {
162	// Convert '/' to '\'.
163	while (*++src)
164	{
165	if (*src == '/')
166	*src = '\\';
167	}
168	}
169	} // nsFileSpecHelpers::UnixToNative
170
171	//----------------------------------------------------------------------------------------
172	void nsFileSpecHelpers::NativeToUnix(nsSimpleCharString& ioPath)
173	// This just does string manipulation. It doesn't check reality, or canonify, or
174	// anything. The unix path is longer, so we can't do it in place.
175	//----------------------------------------------------------------------------------------
176	{
177	if (ioPath.IsEmpty())
178	return;
179
180	// Convert the drive-letter separator, if present
181	nsSimpleCharString temp("/");
182
183	char* cp = (char*)ioPath + 1;
184	if (strstr(cp, ":\\") == cp)
185	*cp = '\|'; // absolute path
186	else
187	temp[0] = '\0'; // relative path
188
189	// Convert '\' to '/'
190	for (; *cp; cp++)
191	{
192	#ifdef XP_OS2
193	// OS2TODO - implement equivalent of IsDBCSLeadByte
194	#else
195	if(IsDBCSLeadByte(cp) && (cp+1) != nsnull)
196	{
197	cp++;
198	continue;
199	}
200	#endif
201	if (*cp == '\\')
202	*cp = '/';
203	}
204	// Add the slash in front.
205	temp += ioPath;
206	ioPath = temp;
207	}
208
209	//----------------------------------------------------------------------------------------
210	nsFileSpec::nsFileSpec(const nsFilePath& inPath)
211	//----------------------------------------------------------------------------------------
212	{
213	// NS_ASSERTION(0, "nsFileSpec is unsupported - use nsIFile!");
214	*this = inPath;
215	}
216
217	//----------------------------------------------------------------------------------------
218	void nsFileSpec::operator = (const nsFilePath& inPath)
219	//----------------------------------------------------------------------------------------
220	{
221	mPath = (const char*)inPath;
222	nsFileSpecHelpers::UnixToNative(mPath);
223	mError = NS_OK;
224	} // nsFileSpec::operator =
225
226	//----------------------------------------------------------------------------------------
227	nsFilePath::nsFilePath(const nsFileSpec& inSpec)
228	//----------------------------------------------------------------------------------------
229	{
230	*this = inSpec;
231	} // nsFilePath::nsFilePath
232
233	//----------------------------------------------------------------------------------------
234	void nsFilePath::operator = (const nsFileSpec& inSpec)
235	//----------------------------------------------------------------------------------------
236	{
237	mPath = inSpec.mPath;
238	nsFileSpecHelpers::NativeToUnix(mPath);
239	} // nsFilePath::operator =
240
241	//----------------------------------------------------------------------------------------
242	void nsFileSpec::SetLeafName(const char* inLeafName)
243	//----------------------------------------------------------------------------------------
244	{
245	NS_ASSERTION(inLeafName, "Attempt to SetLeafName with a null string");
246	mPath.LeafReplace('\\', inLeafName);
247	} // nsFileSpec::SetLeafName
248
249	//----------------------------------------------------------------------------------------
250	char* nsFileSpec::GetLeafName() const
251	//----------------------------------------------------------------------------------------
252	{
253	return mPath.GetLeaf('\\');
254	} // nsFileSpec::GetLeafName
255
256	//----------------------------------------------------------------------------------------
257	PRBool nsFileSpec::Exists() const
258	//----------------------------------------------------------------------------------------
259	{
260	struct stat st;
261	return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st);
262	} // nsFileSpec::Exists
263
264	//----------------------------------------------------------------------------------------
265	void nsFileSpec::GetModDate(TimeStamp& outStamp) const
266	//----------------------------------------------------------------------------------------
267	{
268	struct stat st;
269	if (!mPath.IsEmpty() && stat(nsNSPRPath(*this), &st) == 0)
270	outStamp = st.st_mtime;
271	else
272	outStamp = 0;
273	} // nsFileSpec::GetModDate
274
275	//----------------------------------------------------------------------------------------
276	PRUint32 nsFileSpec::GetFileSize() const
277	//----------------------------------------------------------------------------------------
278	{
279	struct stat st;
280	if (!mPath.IsEmpty() && stat(nsNSPRPath(*this), &st) == 0)
281	return (PRUint32)st.st_size;
282	return 0;
283	} // nsFileSpec::GetFileSize
284
285	//----------------------------------------------------------------------------------------
286	PRBool nsFileSpec::IsFile() const
287	//----------------------------------------------------------------------------------------
288	{
289	struct stat st;
290	#ifdef XP_OS2
291	return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && ( S_IFREG & st.st_mode);
292	#else
293	return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && (_S_IFREG & st.st_mode);
294	#endif
295	} // nsFileSpec::IsFile
296
297	//----------------------------------------------------------------------------------------
298	PRBool nsFileSpec::IsDirectory() const
299	//----------------------------------------------------------------------------------------
300	{
301	struct stat st;
302	#ifdef XP_OS2
303	return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && ( S_IFDIR & st.st_mode);
304	#else
305	return !mPath.IsEmpty() && 0 == stat(nsNSPRPath(*this), &st) && (_S_IFDIR & st.st_mode);
306	#endif
307	} // nsFileSpec::IsDirectory
308
309	//----------------------------------------------------------------------------------------
310	PRBool nsFileSpec::IsHidden() const
311	//----------------------------------------------------------------------------------------
312	{
313	PRBool hidden = PR_FALSE;
314	if (!mPath.IsEmpty())
315	{
316	#ifdef XP_OS2
317	FILESTATUS3 fs3;
318	APIRET rc;
319
320	rc = DosQueryPathInfo( mPath,
321	FIL_STANDARD,
322	&fs3,
323	sizeof fs3);
324	if(!rc)
325	hidden = fs3.attrFile & FILE_HIDDEN ? PR_TRUE : PR_FALSE;
326	#else
327	DWORD attr = GetFileAttributes(mPath);
328	if (FILE_ATTRIBUTE_HIDDEN & attr)
329	hidden = PR_TRUE;
330	#endif
331	}
332	return hidden;
333	}
334	// nsFileSpec::IsHidden
335
336	//----------------------------------------------------------------------------------------
337	PRBool nsFileSpec::IsSymlink() const
338	//----------------------------------------------------------------------------------------
339	{
340	#ifdef XP_OS2
341	return PR_FALSE; // No symlinks on OS/2
342	#else
343	HRESULT hres;
344	IShellLink* psl;
345
346	PRBool isSymlink = PR_FALSE;
347
348	CoInitialize(NULL);
349	// Get a pointer to the IShellLink interface.
350	hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl);
351	if (SUCCEEDED(hres))
352	{
353	IPersistFile* ppf;
354
355	// Get a pointer to the IPersistFile interface.
356	hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
357
358	if (SUCCEEDED(hres))
359	{
360	WORD wsz[MAX_PATH];
361	// Ensure that the string is Unicode.
362	MultiByteToWideChar(CP_ACP, 0, mPath, -1, wsz, MAX_PATH);
363
364	// Load the shortcut.
365	hres = ppf->Load(wsz, STGM_READ);
366	if (SUCCEEDED(hres))
367	{
368	isSymlink = PR_TRUE;
369	}
370
371	// Release the pointer to the IPersistFile interface.
372	ppf->Release();
373	}
374
375	// Release the pointer to the IShellLink interface.
376	psl->Release();
377	}
378
379	CoUninitialize();
380
381	return isSymlink;
382	#endif
383	}
384
385
386	//----------------------------------------------------------------------------------------
387	nsresult nsFileSpec::ResolveSymlink(PRBool& wasSymlink)
388	//----------------------------------------------------------------------------------------
389	{
390	#ifdef XP_OS2
391	return NS_OK; // no symlinks on OS/2
392	#else
393	wasSymlink = PR_FALSE; // assume failure
394
395	if (Exists())
396	return NS_OK;
397
398
399	HRESULT hres;
400	IShellLink* psl;
401
402	CoInitialize(NULL);
403
404	// Get a pointer to the IShellLink interface.
405	hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (void**)&psl);
406	if (SUCCEEDED(hres))
407	{
408	IPersistFile* ppf;
409
410	// Get a pointer to the IPersistFile interface.
411	hres = psl->QueryInterface(IID_IPersistFile, (void**)&ppf);
412
413	if (SUCCEEDED(hres))
414	{
415	WORD wsz[MAX_PATH];
416	// Ensure that the string is Unicode.
417	MultiByteToWideChar(CP_ACP, 0, mPath, -1, wsz, MAX_PATH);
418
419	// Load the shortcut.
420	hres = ppf->Load(wsz, STGM_READ);
421	if (SUCCEEDED(hres))
422	{
423	wasSymlink = PR_TRUE;
424
425	// Resolve the link.
426	hres = psl->Resolve(nsnull, SLR_NO_UI );
427	if (SUCCEEDED(hres))
428	{
429	char szGotPath[MAX_PATH];
430	WIN32_FIND_DATA wfd;
431
432	// Get the path to the link target.
433	hres = psl->GetPath( szGotPath, MAX_PATH, &wfd, SLGP_UNCPRIORITY );
434
435	if (SUCCEEDED(hres))
436	{
437	// Here we modify the nsFileSpec;
438	mPath = szGotPath;
439	mError = NS_OK;
440	}
441	}
442	}
443	else {
444	// It wasn't a shortcut. Oh well. Leave it like it was.
445	hres = 0;
446	}
447
448	// Release the pointer to the IPersistFile interface.
449	ppf->Release();
450	}
451	// Release the pointer to the IShellLink interface.
452	psl->Release();
453	}
454
455	CoUninitialize();
456
457	if (SUCCEEDED(hres))
458	return NS_OK;
459
460	return NS_FILE_FAILURE;
461	#endif
462	}
463
464
465
466	//----------------------------------------------------------------------------------------
467	void nsFileSpec::GetParent(nsFileSpec& outSpec) const
468	//----------------------------------------------------------------------------------------
469	{
470	outSpec.mPath = mPath;
471	char* chars = (char*)outSpec.mPath;
472	chars[outSpec.mPath.Length() - 1] = '\0'; // avoid trailing separator, if any
473	char* cp = strrchr(chars, '\\');
474	if (cp++)
475	outSpec.mPath.SetLength(cp - chars); // truncate.
476	} // nsFileSpec::GetParent
477
478	//----------------------------------------------------------------------------------------
479	void nsFileSpec::operator += (const char* inRelativePath)
480	//----------------------------------------------------------------------------------------
481	{
482	NS_ASSERTION(inRelativePath, "Attempt to do += with a null string");
483
484	if (!inRelativePath \|\| mPath.IsEmpty())
485	return;
486
487	if (mPath[mPath.Length() - 1] == '\\')
488	mPath += "x";
489	else
490	mPath += "\\x";
491
492	// If it's a (unix) relative path, make it native
493	nsSimpleCharString dosPath = inRelativePath;
494	nsFileSpecHelpers::UnixToNative(dosPath);
495	SetLeafName(dosPath);
496	} // nsFileSpec::operator +=
497
498	//----------------------------------------------------------------------------------------
499	void nsFileSpec::CreateDirectory(int /mode/)
500	//----------------------------------------------------------------------------------------
501	{
502	// Note that mPath is canonical!
503	if (!mPath.IsEmpty())
504	#ifdef XP_OS2
505	// OS2TODO - vacpp complains about mkdir but PR_MkDir should be ok?
506	PR_MkDir(nsNSPRPath(*this), PR_CREATE_FILE);
507	#else
508	mkdir(nsNSPRPath(*this));
509	#endif
510	} // nsFileSpec::CreateDirectory
511
512	//----------------------------------------------------------------------------------------
513	void nsFileSpec::Delete(PRBool inRecursive) const
514	//----------------------------------------------------------------------------------------
515	{
516	if (IsDirectory())
517	{
518	if (inRecursive)
519	{
520	for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
521	{
522	nsFileSpec& child = i.Spec();
523	child.Delete(inRecursive);
524	}
525	}
526	#ifdef XP_OS2
527	// OS2TODO - vacpp complains if use rmdir but PR_RmDir should be ok?
528	PR_RmDir(nsNSPRPath(*this));
529	#else
530	rmdir(nsNSPRPath(*this));
531	#endif
532	}
533	else if (!mPath.IsEmpty())
534	{
535	remove(nsNSPRPath(*this));
536	}
537	} // nsFileSpec::Delete
538
539
540	//----------------------------------------------------------------------------------------
541	void nsFileSpec::RecursiveCopy(nsFileSpec newDir) const
542	//----------------------------------------------------------------------------------------
543	{
544	if (IsDirectory())
545	{
546	if (!(newDir.Exists()))
547	{
548	newDir.CreateDirectory();
549	}
550
551	for (nsDirectoryIterator i(*this, PR_FALSE); i.Exists(); i++)
552	{
553	nsFileSpec& child = i.Spec();
554
555	if (child.IsDirectory())
556	{
557	nsFileSpec tmpDirSpec(newDir);
558
559	char *leafname = child.GetLeafName();
560	tmpDirSpec += leafname;
561	nsCRT::free(leafname);
562
563	child.RecursiveCopy(tmpDirSpec);
564	}
565	else
566	{
567	child.RecursiveCopy(newDir);
568	}
569	}
570	}
571	else if (!mPath.IsEmpty())
572	{
573	nsFileSpec& filePath = (nsFileSpec&) *this;
574
575	if (!(newDir.Exists()))
576	{
577	newDir.CreateDirectory();
578	}
579
580	filePath.CopyToDir(newDir);
581	}
582	} // nsFileSpec::RecursiveCopy
583
584	//----------------------------------------------------------------------------------------
585	nsresult
586	nsFileSpec::Truncate(PRInt32 aNewFileLength) const
587	//----------------------------------------------------------------------------------------
588	{
589	#ifdef XP_OS2
590	APIRET rc;
591	HFILE hFile;
592	ULONG actionTaken;
593
594	rc = DosOpen(mPath,
595	&hFile,
596	&actionTaken,
597	0,
598	FILE_NORMAL,
599	OPEN_ACTION_FAIL_IF_NEW \| OPEN_ACTION_OPEN_IF_EXISTS,
600	OPEN_SHARE_DENYREADWRITE \| OPEN_ACCESS_READWRITE,
601	NULL);
602
603	if (rc != NO_ERROR)
604	return NS_FILE_FAILURE;
605
606	rc = DosSetFileSize(hFile, aNewFileLength);
607
608	if (rc == NO_ERROR)
609	DosClose(hFile);
610	else
611	goto error;
612	#else
613	DWORD status;
614	HANDLE hFile;
615
616	// Leave it to Microsoft to open an existing file with a function
617	// named "CreateFile".
618	hFile = CreateFile(mPath,
619	GENERIC_WRITE,
620	FILE_SHARE_READ,
621	NULL,
622	OPEN_EXISTING,
623	FILE_ATTRIBUTE_NORMAL,
624	NULL);
625	if (hFile == INVALID_HANDLE_VALUE)
626	return NS_FILE_FAILURE;
627
628	// Seek to new, desired end of file
629	status = SetFilePointer(hFile, aNewFileLength, NULL, FILE_BEGIN);
630	if (status == 0xffffffff)
631	goto error;
632
633	// Truncate file at current cursor position
634	if (!SetEndOfFile(hFile))
635	goto error;
636
637	if (!CloseHandle(hFile))
638	return NS_FILE_FAILURE;
639	#endif
640
641	return NS_OK;
642
643	error:
644	#ifdef XP_OS2
645	DosClose(hFile);
646	#else
647	CloseHandle(hFile);
648	#endif
649	return NS_FILE_FAILURE;
650
651	} // nsFileSpec::Truncate
652
653	//----------------------------------------------------------------------------------------
654	nsresult nsFileSpec::Rename(const char* inNewName)
655	//----------------------------------------------------------------------------------------
656	{
657	NS_ASSERTION(inNewName, "Attempt to Rename with a null string");
658
659	// This function should not be used to move a file on disk.
660	if (strchr(inNewName, '/'))
661	return NS_FILE_FAILURE;
662
663	char* oldPath = nsCRT::strdup(mPath);
664
665	SetLeafName(inNewName);
666
667	if (PR_Rename(oldPath, mPath) != NS_OK)
668	{
669	// Could not rename, set back to the original.
670	mPath = oldPath;
671	return NS_FILE_FAILURE;
672	}
673
674	nsCRT::free(oldPath);
675
676	return NS_OK;
677	} // nsFileSpec::Rename
678
679	//----------------------------------------------------------------------------------------
680	nsresult nsFileSpec::CopyToDir(const nsFileSpec& inParentDirectory) const
681	//----------------------------------------------------------------------------------------
682	{
683	// We can only copy into a directory, and (for now) can not copy entire directories
684	if (inParentDirectory.IsDirectory() && (! IsDirectory() ) )
685	{
686	char *leafname = GetLeafName();
687	nsSimpleCharString destPath(inParentDirectory.GetCString());
688	destPath += "\\";
689	destPath += leafname;
690	nsCRT::free(leafname);
691
692	// CopyFile returns non-zero if succeeds
693	#ifdef XP_OS2
694	APIRET rc;
695	PRBool copyOK;
696
697	rc = DosCopy(GetCString(), (PSZ)destPath, DCPY_EXISTING);
698
699	if (rc == NO_ERROR)
700	copyOK = PR_TRUE;
701	else
702	copyOK = PR_FALSE;
703	#else
704	int copyOK = CopyFile(GetCString(), destPath, PR_TRUE);
705	#endif
706	if (copyOK)
707	return NS_OK;
708	}
709	return NS_FILE_FAILURE;
710	} // nsFileSpec::CopyToDir
711
712	//----------------------------------------------------------------------------------------
713	nsresult nsFileSpec::MoveToDir(const nsFileSpec& inNewParentDirectory)
714	//----------------------------------------------------------------------------------------
715	{
716	// We can only copy into a directory, and (for now) can not copy entire directories
717	if (inNewParentDirectory.IsDirectory() && (! IsDirectory() ) )
718	{
719	char *leafname = GetLeafName();
720	nsSimpleCharString destPath(inNewParentDirectory.GetCString());
721	destPath += "\\";
722	destPath += leafname;
723	nsCRT::free(leafname);
724
725	if (DosMove(GetCString(), destPath) == NO_ERROR)
726	{
727	*this = inNewParentDirectory + GetLeafName();
728	return NS_OK;
729	}
730
731	}
732	return NS_FILE_FAILURE;
733	} // nsFileSpec::MoveToDir
734
735	//----------------------------------------------------------------------------------------
736	nsresult nsFileSpec::Execute(const char* inArgs ) const
737	//----------------------------------------------------------------------------------------
738	{
739	if (!IsDirectory())
740	{
741	#ifdef XP_OS2
742	nsresult result = NS_FILE_FAILURE;
743
744	if (!mPath.IsEmpty())
745	{
746	nsSimpleCharString fileNameWithArgs = mPath + " " + inArgs;
747	result = NS_FILE_RESULT(system(fileNameWithArgs));
748	}
749	return result;
750	#else
751	nsSimpleCharString fileNameWithArgs = "\"";
752	fileNameWithArgs += mPath + "\" " + inArgs;
753	int execResult = WinExec( fileNameWithArgs, SW_NORMAL );
754	if (execResult > 31)
755	return NS_OK;
756	#endif
757	}
758	return NS_FILE_FAILURE;
759	} // nsFileSpec::Execute
760
761
762	//----------------------------------------------------------------------------------------
763	PRInt64 nsFileSpec::GetDiskSpaceAvailable() const
764	//----------------------------------------------------------------------------------------
765	{
766	PRInt64 nBytes = 0;
767	ULONG ulDriveNo = toupper(mPath[0]) + 1 - 'A';
768	FSALLOCATE fsAllocate;
769	APIRET rc = DosQueryFSInfo(ulDriveNo,
770	FSIL_ALLOC,
771	&fsAllocate,
772	sizeof(fsAllocate));
773
774	if (rc == NO_ERROR) {
775	nBytes = fsAllocate.cUnitAvail;
776	nBytes *= fsAllocate.cSectorUnit;
777	nBytes *= fsAllocate.cbSector;
778	}
779
780	return nBytes;
781	}
782
783
784
785	//========================================================================================
786	// nsDirectoryIterator
787	//========================================================================================
788
789	//----------------------------------------------------------------------------------------
790	nsDirectoryIterator::nsDirectoryIterator(const nsFileSpec& inDirectory, PRBool resolveSymlink)
791	//----------------------------------------------------------------------------------------
792	: mCurrent(inDirectory)
793	, mDir(nsnull)
794	, mStarting(inDirectory)
795	, mExists(PR_FALSE)
796	, mResoveSymLinks(resolveSymlink)
797	{
798	mDir = PR_OpenDir(inDirectory);
799	mCurrent += "dummy";
800	mStarting += "dummy";
801	++(*this);
802	} // nsDirectoryIterator::nsDirectoryIterator
803
804	//----------------------------------------------------------------------------------------
805	nsDirectoryIterator::~nsDirectoryIterator()
806	//----------------------------------------------------------------------------------------
807	{
808	if (mDir)
809	PR_CloseDir(mDir);
810	} // nsDirectoryIterator::nsDirectoryIterator
811
812	//----------------------------------------------------------------------------------------
813	nsDirectoryIterator& nsDirectoryIterator::operator ++ ()
814	//----------------------------------------------------------------------------------------
815	{
816	mExists = PR_FALSE;
817	if (!mDir)
818	return *this;
819	PRDirEntry* entry = PR_ReadDir(mDir, PR_SKIP_BOTH); // Ignore '.' && '..'
820	if (entry)
821	{
822	mExists = PR_TRUE;
823	mCurrent = mStarting;
824	mCurrent.SetLeafName(entry->name);
825	if (mResoveSymLinks)
826	{
827	PRBool ignore;
828	mCurrent.ResolveSymlink(ignore);
829	}
830	}
831	return *this;
832	} // nsDirectoryIterator::operator ++
833
834	//----------------------------------------------------------------------------------------
835	nsDirectoryIterator& nsDirectoryIterator::operator -- ()
836	//----------------------------------------------------------------------------------------
837	{
838	return ++(*this); // can't do it backwards.
839	} // nsDirectoryIterator::operator --
840

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source: vbox/trunk/src/libs/xpcom18a4/xpcom/obsolete/nsFileSpecOS2.cpp@ 49482

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