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Source at commit 1322 created 12 years 8 months ago.
By meklort, Add doxygen to utils folder
1/******************************************************************************␊
2 *␊
3 * ␊
4 *␊
5 * Copyright (C) 1997-2001 by Dimitri van Heesch.␊
6 *␊
7 * Permission to use, copy, modify, and distribute this software and its␊
8 * documentation under the terms of the GNU General Public License is hereby ␊
9 * granted. No representations are made about the suitability of this software ␊
10 * for any purpose. It is provided "as is" without express or implied warranty.␊
11 * See the GNU General Public License for more details.␊
12 *␊
13 * Documents produced by Doxygen are derivative works derived from the␊
14 * input used in their production; they are not affected by this license.␊
15 *␊
16 * Based on qdir_unix.cpp ␊
17 *␊
18 * Copyright (C) 1992-2000 Trolltech AS.␊
19 */␊
20␊
21␊
22#include "qglobal.h"␊
23␊
24#include "qdir.h"␊
25#ifndef QT_NO_DIR␊
26␊
27␊
28#include "qfileinfo.h"␊
29#include "qfiledefs_p.h"␊
30#include "qregexp.h"␊
31#include "qstringlist.h"␊
32#include <stdlib.h>␊
33#include <ctype.h>␊
34#if defined(_OS_WIN32_)␊
35#if defined(_CC_BOOL_DEF_)␊
36#undef bool␊
37#include <windows.h>␊
38#define bool int␊
39#else␊
40#include <windows.h>␊
41#endif␊
42#endif␊
43#if defined(_OS_OS2EMX_)␊
44extern Q_UINT32 DosQueryCurrentDisk(Q_UINT32*,Q_UINT32*);␊
45#define NO_ERROR 0␊
46#endif␊
47␊
48extern QStringList qt_makeFilterList( const QString &filter );␊
49␊
50extern int qt_cmp_si_sortSpec;␊
51␊
52#if defined(Q_C_CALLBACKS)␊
53extern "C" {␊
54#endif␊
55␊
56extern int qt_cmp_si( const void *, const void * );␊
57␊
58#if defined(Q_C_CALLBACKS)␊
59}␊
60#endif␊
61␊
62static QString p_getenv( QString name )␊
63{␊
64 DWORD len = GetEnvironmentVariableW( ( LPCWSTR ) qt_winTchar ( name, TRUE ), NULL, 0 );␊
65 if ( len == 0 )␊
66 return QString::null;␊
67 /* ansi: we allocate too much memory, but this shouldn't be the problem here ... */␊
68 LPWSTR buf = (LPWSTR)new WCHAR[ len ];␊
69 len = GetEnvironmentVariableW ( ( LPCWSTR ) qt_winTchar ( name, TRUE ), buf, len );␊
70 if ( len == 0 )␊
71 {␊
72 delete[] buf;␊
73 return QString::null;␊
74 }␊
75 QString ret = qt_winQString ( buf );␊
76 delete[] buf;␊
77 return ret;␊
78}␊
79␊
80␊
81void QDir::slashify( QString& n )␊
82{␊
83 for ( int i=0; i<(int)n.length(); i++ ) ␊
84 {␊
85 if ( n[i] == '\\' )␊
86 n[i] = '/';␊
87 }␊
88}␊
89␊
90QString QDir::homeDirPath()␊
91{␊
92 QString d = p_getenv ( "HOME" );␊
93 if ( d.isNull () ) {␊
94 d = p_getenv ( "USERPROFILE" );␊
95 if ( d.isNull () ) {␊
96 QString homeDrive = p_getenv ( "HOMEDRIVE" );␊
97 QString homePath = p_getenv ( "HOMEPATH" );␊
98 if ( !homeDrive.isNull () && !homePath.isNull () ) {␊
99 d = homeDrive + homePath;␊
100 } else {␊
101 d = rootDirPath ();␊
102 }␊
103 }␊
104 }␊
105 slashify( d );␊
106 return d;␊
107}␊
108␊
109QString QDir::canonicalPath() const␊
110{␊
111 QString r;␊
112␊
113 char cur[PATH_MAX];␊
114 char tmp[PATH_MAX];␊
115 GETCWD( cur, PATH_MAX );␊
116 if ( CHDIR(QFile::encodeName(dPath)) >= 0 ) {␊
117␉GETCWD( tmp, PATH_MAX );␊
118␉r = QFile::decodeName(tmp);␊
119 }␊
120 CHDIR( cur );␊
121␊
122 slashify( r );␊
123 return r;␊
124}␊
125␊
126bool QDir::mkdir( const QString &dirName, bool acceptAbsPath ) const␊
127{␊
128#if defined(__CYGWIN32_)␊
129 return MKDIR( QFile::encodeName(filePath(dirName,acceptAbsPath)), 0777 ) == 0;␊
130#else␊
131 return _wmkdir( ( LPCWSTR ) filePath( dirName, acceptAbsPath ).ucs2() ) == 0;␊
132#endif␊
133}␊
134␊
135bool QDir::rmdir( const QString &dirName, bool acceptAbsPath ) const␊
136{␊
137#if defined(__CYGWIN32_)␊
138 return RMDIR( QFile::encodeName(filePath(dirName,acceptAbsPath)) ) == 0;␊
139#else␊
140 return _wrmdir( ( LPCWSTR ) filePath( dirName, acceptAbsPath ).ucs2() ) == 0;␊
141#endif␊
142}␊
143␊
144bool QDir::isReadable() const␊
145{␊
146 QString path = dPath;␊
147 if ( ( path[ 0 ] == '\\' ) || ( path[ 0 ] == '/' ) )␊
148 path = rootDirPath() + path;␊
149#if defined(__CYGWIN32_)␊
150 return ACCESS( QFile::encodeName(dPath), R_OK ) == 0;␊
151#else␊
152 return ( _waccess( (wchar_t*) path.ucs2(), R_OK ) == 0 );␊
153#endif␊
154}␊
155␊
156bool QDir::isRoot() const␊
157{␊
158 QString path = dPath;␊
159 slashify( path );␊
160 return path == rootDirPath ();␊
161}␊
162␊
163bool QDir::rename( const QString &name, const QString &newName,␊
164␉␉ bool acceptAbsPaths␉)␊
165{␊
166 if ( name.isEmpty() || newName.isEmpty() ) {␊
167#if defined(CHECK_NULL)␊
168␉qWarning( "QDir::rename: Empty or null file name(s)" );␊
169#endif␊
170␉return FALSE;␊
171 }␊
172 QString fn1 = filePath( name, acceptAbsPaths );␊
173 QString fn2 = filePath( newName, acceptAbsPaths );␊
174#if defined(__CYGWIN32_)␊
175 return ::rename( QFile::encodeName(fn1),␊
176␉␉ QFile::encodeName(fn2) ) == 0;␊
177#else␊
178 return MoveFileW( ( LPCWSTR ) fn1.ucs2(), ( LPCWSTR ) fn2.ucs2() ) != 0; ␊
179#endif␊
180}␊
181␊
182bool QDir::setCurrent( const QString &path )␊
183{␊
184#if defined(__CYGWIN32_)␊
185 int r;␊
186 r = CHDIR( QFile::encodeName(path) );␊
187 return r >= 0;␊
188#else␊
189 if ( !QDir( path ).exists() )␊
190 return false;␊
191 return ( SetCurrentDirectoryW( ( LPCWSTR ) path.ucs2() ) >= 0 );␊
192#endif␊
193}␊
194␊
195QString QDir::currentDirPath()␊
196{␊
197 QString result;␊
198␊
199#if defined(__CYGWIN32_)␊
200␊
201 STATBUF st;␊
202 if ( STAT( ".", &st ) == 0 ) {␊
203␉char currentName[PATH_MAX];␊
204␉if ( GETCWD( currentName, PATH_MAX ) != 0 )␊
205␉ result = QFile::decodeName(currentName);␊
206#if defined(DEBUG)␊
207␉if ( result.isNull() )␊
208␉ qWarning( "QDir::currentDirPath: getcwd() failed" );␊
209#endif␊
210 } else {␊
211#if defined(DEBUG)␊
212␉qWarning( "QDir::currentDirPath: stat(\".\") failed" );␊
213#endif␊
214 }␊
215␊
216#else␊
217␊
218 DWORD size = 0;␊
219 WCHAR currentName[ PATH_MAX ];␊
220 size = ::GetCurrentDirectoryW( PATH_MAX, currentName );␊
221 if ( size != 0 ) {␊
222 if ( size > PATH_MAX ) {␊
223 WCHAR * newCurrentName = new WCHAR[ size ];␊
224 if ( ::GetCurrentDirectoryW( PATH_MAX, newCurrentName ) != 0 )␊
225 result = QString::fromUcs2( ( ushort* ) newCurrentName );␊
226 delete [] newCurrentName;␊
227 } else {␊
228 result = QString::fromUcs2( ( ushort* ) currentName );␊
229 }␊
230 }␊
231␊
232 if ( result.length() >= 2 && result[ 1 ] == ':' )␊
233 result[ 0 ] = result.at( 0 ).upper(); // Force uppercase drive letters.␊
234#endif␊
235 slashify( result );␊
236 return result;␊
237}␊
238␊
239QString QDir::rootDirPath()␊
240{␊
241 QString d = p_getenv ( "SystemDrive" );␊
242 if ( d.isNull () )␊
243 d = QString::fromLatin1( "c:" ); // not "c:\\" !␊
244 slashify ( d );␊
245 return d;␊
246}␊
247␊
248bool QDir::isRelativePath( const QString &path )␊
249{␊
250 if ( path.isEmpty() )␊
251 return TRUE;␊
252 int p = 0;␊
253 if ( path[ 0 ].isLetter() && path[ 1 ] == ':' )␊
254 p = 2; // we have checked the first 2.␊
255 return ( ( path[ p ] != '/' ) && ( path[ p ] != '\\' ) );␊
256}␊
257␊
258#undef IS_SUBDIR␊
259#undef IS_RDONLY␊
260#undef IS_ARCH␊
261#undef IS_HIDDEN␊
262#undef IS_SYSTEM␊
263#undef FF_GETFIRST␊
264#undef FF_GETNEXT␊
265#undef FF_ERROR␊
266␊
267#if defined(_OS_WIN32_)␊
268#define IS_SUBDIR FILE_ATTRIBUTE_DIRECTORY␊
269#define IS_RDONLY FILE_ATTRIBUTE_READONLY␊
270#define IS_ARCH FILE_ATTRIBUTE_ARCHIVE␊
271#define IS_HIDDEN FILE_ATTRIBUTE_HIDDEN␊
272#define IS_SYSTEM FILE_ATTRIBUTE_SYSTEM␊
273#define FF_GETFIRST FindFirstFile␊
274#define FF_GETNEXT FindNextFile␊
275#define FF_ERROR INVALID_HANDLE_VALUE␊
276#else␊
277#define IS_SUBDIR _A_SUBDIR␊
278#define IS_RDONLY _A_RDONLY␊
279#define IS_ARCH _A_ARCH␊
280#define IS_HIDDEN _A_HIDDEN␊
281#define IS_SYSTEM _A_SYSTEM␊
282#define FF_GETFIRST _findfirst␊
283#define FF_GETNEXT _findnext␊
284#define FF_ERROR -1␊
285#endif␊
286␊
287␊
288bool QDir::readDirEntries( const QString &nameFilter,␊
289␉␉␉ int filterSpec, int sortSpec )␊
290{␊
291 int i;␊
292 if ( !fList ) {␊
293␉fList = new QStringList;␊
294␉CHECK_PTR( fList );␊
295␉fiList = new QFileInfoList;␊
296␉CHECK_PTR( fiList );␊
297␉fiList->setAutoDelete( TRUE );␊
298 } else {␊
299␉fList->clear();␊
300␉fiList->clear();␊
301 }␊
302␊
303 QStringList filters = qt_makeFilterList( nameFilter );␊
304␊
305 bool doDirs␉ = (filterSpec & Dirs)␉!= 0;␊
306 bool doFiles = (filterSpec & Files)␉!= 0;␊
307 bool noSymLinks = (filterSpec & NoSymLinks) != 0;␊
308 bool doReadable = (filterSpec & Readable)␉!= 0;␊
309 bool doWritable = (filterSpec & Writable)␉!= 0;␊
310 bool doExecable = (filterSpec & Executable) != 0;␊
311 bool doHidden = (filterSpec & Hidden)␉!= 0;␊
312 // show hidden files if the user asks explicitly for e.g. .*␊
313 if ( !doHidden && !nameFilter.isEmpty() && nameFilter[0] == '.' )␊
314 doHidden = TRUE;␊
315 bool doModified = (filterSpec & Modified) != 0;␊
316 bool doSystem = (filterSpec & System) != 0;␊
317␊
318 QRegExp wc( nameFilter.data(), FALSE, TRUE ); // wild card, case insensitive␊
319 bool first = TRUE;␊
320 QString p = dPath.copy();␊
321 int plen = p.length();␊
322#if defined(_OS_WIN32_)␊
323 HANDLE ff;␊
324 WIN32_FIND_DATAW finfo;␊
325#else␊
326 long ff;␊
327 _finddata_t finfo;␊
328#endif␊
329 QFileInfo fi;␊
330 if ( plen == 0 )␊
331 {␊
332#if defined(CHECK_NULL)␊
333 warning( "QDir::readDirEntries: No directory name specified" );␊
334#endif␊
335 return FALSE;␊
336 }␊
337 if ( p.at(plen-1) != '/' && p.at(plen-1) != '\\' )␊
338 p += '/';␊
339 p += "*.*";␊
340␊
341#if defined(__CYGWIN32_)␊
342 ff = FF_GETFIRST( p.data(), &finfo );␊
343#else␊
344 ff = FindFirstFileW ( ( LPCWSTR ) p.ucs2(), &finfo );␊
345#endif␊
346 if ( ff == FF_ERROR ) ␊
347 {␊
348#if defined(DEBUG)␊
349 warning( "QDir::readDirEntries: Cannot read the directory: %s",␊
350 (const char *)dPath );␊
351#endif␊
352 return FALSE;␊
353 }␊
354 ␊
355 while ( TRUE ) ␊
356 {␊
357␉if ( first )␊
358␉ first = FALSE;␊
359␉else ␊
360 {␊
361#if defined(__CYGWIN32_)␊
362␉ if ( FF_GETNEXT(ff,&finfo) == -1 )␊
363␉␉break;␊
364#else␊
365␉ //if ( !FF_GETNEXT(ff,&finfo) )␊
366␉ //␉break;␊
367 if (!FindNextFileW(ff, &finfo ))␊
368 break;␊
369#endif␊
370␉}␊
371#if defined(__CYGWIN32_)␊
372␉int attrib = finfo.attrib;␊
373#else␊
374␉int attrib = finfo.dwFileAttributes;␊
375#endif␊
376␉bool isDir␉= (attrib & IS_SUBDIR) != 0;␊
377␉bool isFile␉= !isDir;␊
378␉bool isSymLink␉= FALSE;␊
379␉bool isReadable = TRUE;␊
380␉bool isWritable = (attrib & IS_RDONLY) == 0;␊
381␉bool isExecable = FALSE;␊
382␉bool isModified = (attrib & IS_ARCH) != 0;␊
383␉bool isHidden␉= (attrib & IS_HIDDEN) != 0;␊
384␉bool isSystem␉= (attrib & IS_SYSTEM) != 0;␊
385␊
386#if defined(__CYGWIN32_)␊
387␉const char *fname = finfo.name;␊
388#else␊
389␉//const char *fname = finfo.cFileName;␊
390 QString fname = QString::fromUcs2( ( const unsigned short* ) finfo.cFileName);␊
391#endif␊
392␉if ( wc.match(fname.utf8()) == -1 && !(allDirs && isDir) )␊
393␉ continue;␊
394␊
395␉QString name = fname;␊
396␉if ( doExecable ) ␊
397 {␊
398␉ QString ext = name.right(4).lower();␊
399␉ if ( ext == ".exe" || ext == ".com" || ext == ".bat" ||␊
400␉␉ ext == ".pif" || ext == ".cmd" )␊
401␉␉isExecable = TRUE;␊
402␉}␊
403␊
404␉if ( (doDirs && isDir) || (doFiles && isFile) ) ␊
405 {␊
406␉ if ( noSymLinks && isSymLink )␊
407␉␉continue;␊
408␉ if ( (filterSpec & RWEMask) != 0 )␊
409␉␉if ( (doReadable && !isReadable) ||␊
410␉␉ (doWritable && !isWritable) ||␊
411␉␉ (doExecable && !isExecable) )␊
412␉␉ continue;␊
413␉ if ( doModified && !isModified )␊
414␉␉continue;␊
415␉ if ( !doHidden && isHidden )␊
416␉␉continue;␊
417␉ if ( !doSystem && isSystem )␊
418␉␉continue;␊
419␉ fi.setFile( *this, name );␊
420␉ fiList->append( new QFileInfo( fi ) );␊
421␉}␊
422 }␊
423#if defined(__CYGWIN32_)␊
424 _findclose( ff );␊
425#else␊
426 FindClose( ff );␊
427#endif␊
428␊
429 // Sort...␊
430 QDirSortItem* si= new QDirSortItem[fiList->count()];␊
431 QFileInfo* itm;␊
432 i=0;␊
433 for (itm = fiList->first(); itm; itm = fiList->next())␊
434␉si[i++].item = itm;␊
435 qt_cmp_si_sortSpec = sortSpec;␊
436 qsort( si, i, sizeof(si[0]), qt_cmp_si );␊
437 // put them back in the list␊
438 fiList->setAutoDelete( FALSE );␊
439 fiList->clear();␊
440 int j;␊
441 for ( j=0; j<i; j++ ) {␊
442␉fiList->append( si[j].item );␊
443␉fList->append( si[j].item->fileName() );␊
444 }␊
445 delete [] si;␊
446 fiList->setAutoDelete( TRUE );␊
447␊
448 if ( filterSpec == (FilterSpec)filtS && sortSpec == (SortSpec)sortS &&␊
449␉ nameFilter == nameFilt )␊
450␉dirty = FALSE;␊
451 else␊
452␉dirty = TRUE;␊
453 return TRUE;␊
454}␊
455␊
456const QFileInfoList * QDir::drives()␊
457{␊
458 // at most one instance of QFileInfoList is leaked, and this variable␊
459 // points to that list␊
460 static QFileInfoList * knownMemoryLeak = 0;␊
461␊
462 if ( !knownMemoryLeak ) {␊
463␉knownMemoryLeak = new QFileInfoList;␊
464␊
465#if defined(_OS_WIN32_)␊
466␉Q_UINT32 driveBits = (Q_UINT32) GetLogicalDrives() & 0x3ffffff;␊
467#elif defined(_OS_OS2EMX_)␊
468␉Q_UINT32 driveBits, cur;␊
469␉if (DosQueryCurrentDisk(&cur,&driveBits) != NO_ERROR)␊
470␉ exit(1);␊
471␉driveBits &= 0x3ffffff;␊
472#endif␊
473␉char driveName[4];␊
474␉qstrcpy( driveName, "a:/" );␊
475␉while( driveBits ) {␊
476␉ if ( driveBits & 1 )␊
477␉␉knownMemoryLeak->append( new QFileInfo( driveName ) );␊
478␉ driveName[0]++;␊
479␉ driveBits = driveBits >> 1;␊
480␉}␊
481 }␊
482␊
483 return knownMemoryLeak;␊
484}␊
485#endif //QT_NO_DIR␊
486

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