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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** Implementation of QDirclass␊
5**␊
6** Created : 950628␊
7**␊
8** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.␊
9**␊
10** This file is part of the tools module of the Qt GUI Toolkit.␊
11**␊
12** This file may be distributed under the terms of the Q Public License␊
13** as defined by Trolltech AS of Norway and appearing in the file␊
14** LICENSE.QPL included in the packaging of this file.␊
15**␊
16** This file may be distributed and/or modified under the terms of the␊
17** GNU General Public License version 2 as published by the Free Software␊
18** Foundation and appearing in the file LICENSE.GPL included in the␊
19** packaging of this file.␊
20**␊
21** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition␊
22** licenses for Unix/X11 or for Qt/Embedded may use this file in accordance␊
23** with the Qt Commercial License Agreement provided with the Software.␊
24**␊
25** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE␊
26** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.␊
27**␊
28** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for␊
29** information about Qt Commercial License Agreements.␊
30** See http://www.trolltech.com/qpl/ for QPL licensing information.␊
31** See http://www.trolltech.com/gpl/ for GPL licensing information.␊
32**␊
33** Contact info@trolltech.com if any conditions of this licensing are␊
34** not clear to you.␊
35**␊
36**********************************************************************/␊
37␊
38#include "qglobal.h"␊
39␊
40#include "qdir.h"␊
41#ifndef QT_NO_DIR␊
42␊
43#include "qfileinfo.h"␊
44#include "qfiledefs_p.h"␊
45#include "qregexp.h"␊
46#include "qstringlist.h"␊
47#include <stdlib.h>␊
48#include <ctype.h>␊
49␊
50extern QStringList qt_makeFilterList( const QString &filter );␊
51␊
52extern int qt_cmp_si_sortSpec;␊
53␊
54#if defined(Q_C_CALLBACKS)␊
55extern "C" {␊
56#endif␊
57␊
58extern int qt_cmp_si( const void *, const void * );␊
59␊
60#if defined(Q_C_CALLBACKS)␊
61}␊
62#endif␊
63␊
64␊
65void QDir::slashify( QString& )␊
66{␊
67}␊
68␊
69QString QDir::homeDirPath()␊
70{␊
71 QString d;␊
72 d = QFile::decodeName(getenv("HOME"));␊
73 slashify( d );␊
74 if ( d.isNull() )␊
75␉d = rootDirPath();␊
76 return d;␊
77}␊
78␊
79QString QDir::canonicalPath() const␊
80{␊
81 QString r;␊
82␊
83 char cur[PATH_MAX];␊
84 char tmp[PATH_MAX];␊
85 GETCWD( cur, PATH_MAX );␊
86 if ( CHDIR(QFile::encodeName(dPath)) >= 0 ) {␊
87␉GETCWD( tmp, PATH_MAX );␊
88␉r = QFile::decodeName(tmp);␊
89 }␊
90 CHDIR( cur );␊
91␊
92 slashify( r );␊
93 return r;␊
94}␊
95␊
96bool QDir::mkdir( const QString &dirName, bool acceptAbsPath ) const␊
97{␊
98 return MKDIR( QFile::encodeName(filePath(dirName,acceptAbsPath)), 0777 ) ␊
99␉== 0;␊
100}␊
101␊
102bool QDir::rmdir( const QString &dirName, bool acceptAbsPath ) const␊
103{␊
104 return RMDIR( QFile::encodeName(filePath(dirName,acceptAbsPath)) ) == 0;␊
105}␊
106␊
107bool QDir::isReadable() const␊
108{␊
109 return ACCESS( QFile::encodeName(dPath), R_OK | X_OK ) == 0;␊
110}␊
111␊
112bool QDir::isRoot() const␊
113{␊
114 return dPath == QString::fromLatin1("/");␊
115}␊
116␊
117bool QDir::rename( const QString &name, const QString &newName,␊
118␉␉ bool acceptAbsPaths␉)␊
119{␊
120 if ( name.isEmpty() || newName.isEmpty() ) {␊
121#if defined(CHECK_NULL)␊
122␉qWarning( "QDir::rename: Empty or null file name(s)" );␊
123#endif␊
124␉return FALSE;␊
125 }␊
126 QString fn1 = filePath( name, acceptAbsPaths );␊
127 QString fn2 = filePath( newName, acceptAbsPaths );␊
128 return ::rename( QFile::encodeName(fn1),␊
129␉␉ QFile::encodeName(fn2) ) == 0;␊
130}␊
131␊
132bool QDir::setCurrent( const QString &path )␊
133{␊
134 int r;␊
135 r = CHDIR( QFile::encodeName(path) );␊
136 return r >= 0;␊
137}␊
138␊
139QString QDir::currentDirPath()␊
140{␊
141 QString result;␊
142␊
143 STATBUF st;␊
144 if ( STAT( ".", &st ) == 0 ) {␊
145␉char currentName[PATH_MAX];␊
146␉if ( GETCWD( currentName, PATH_MAX ) != 0 )␊
147␉ result = QFile::decodeName(currentName);␊
148#if defined(DEBUG)␊
149␉if ( result.isNull() )␊
150␉ qWarning( "QDir::currentDirPath: getcwd() failed" );␊
151#endif␊
152 } else {␊
153#if defined(DEBUG)␊
154␉qWarning( "QDir::currentDirPath: stat(\".\") failed" );␊
155#endif␊
156 }␊
157 slashify( result );␊
158 return result;␊
159}␊
160␊
161QString QDir::rootDirPath()␊
162{␊
163 QString d = QString::fromLatin1( "/" );␊
164 return d;␊
165}␊
166␊
167bool QDir::isRelativePath( const QString &path )␊
168{␊
169 int len = path.length();␊
170 if ( len == 0 )␊
171␉return TRUE;␊
172 return path[0] != '/';␊
173}␊
174␊
175bool QDir::readDirEntries( const QString &nameFilter,␊
176␉␉␉ int filterSpec, int sortSpec )␊
177{␊
178 int i;␊
179 if ( !fList ) {␊
180␉fList = new QStringList;␊
181␉CHECK_PTR( fList );␊
182␉fiList = new QFileInfoList;␊
183␉CHECK_PTR( fiList );␊
184␉fiList->setAutoDelete( TRUE );␊
185 } else {␊
186␉fList->clear();␊
187␉fiList->clear();␊
188 }␊
189␊
190 QStringList filters = qt_makeFilterList( nameFilter );␊
191␊
192 bool doDirs␉ = (filterSpec & Dirs)␉!= 0;␊
193 bool doFiles = (filterSpec & Files)␉!= 0;␊
194 bool noSymLinks = (filterSpec & NoSymLinks) != 0;␊
195 bool doReadable = (filterSpec & Readable)␉!= 0;␊
196 bool doWritable = (filterSpec & Writable)␉!= 0;␊
197 bool doExecable = (filterSpec & Executable) != 0;␊
198 bool doHidden = (filterSpec & Hidden)␉!= 0;␊
199␊
200#if defined(_OS_OS2EMX_)␊
201 //QRegExp wc( nameFilter, FALSE, TRUE );␉// wild card, case insensitive␊
202#else␊
203 //QRegExp wc( nameFilter, TRUE, TRUE );␉// wild card, case sensitive␊
204#endif␊
205 QFileInfo fi;␊
206 DIR␉ *dir;␊
207 dirent *file;␊
208␊
209 dir = opendir( QFile::encodeName(dPath) );␊
210 if ( !dir ) {␊
211#if defined(CHECK_NULL)␊
212␉qWarning( "QDir::readDirEntries: Cannot read the directory: %s",␊
213␉␉ QFile::encodeName(dPath).data() );␊
214#endif␊
215␉return FALSE;␊
216 }␊
217␊
218 while ( (file = readdir(dir)) ) {␊
219␉QString fn = QFile::decodeName(file->d_name);␊
220␉fi.setFile( *this, fn );␊
221␉if ( !match( filters, fn ) && !(allDirs && fi.isDir()) )␊
222␉ continue;␊
223␉if ( (doDirs && fi.isDir()) || (doFiles && fi.isFile()) ) {␊
224␉ if ( noSymLinks && fi.isSymLink() )␊
225␉ continue;␊
226␉ if ( (filterSpec & RWEMask) != 0 )␊
227␉ if ( (doReadable && !fi.isReadable()) ||␊
228␉ (doWritable && !fi.isWritable()) ||␊
229␉ (doExecable && !fi.isExecutable()) )␊
230␉ continue;␊
231␉ if ( !doHidden && fn[0] == '.' &&␊
232␉ fn != QString::fromLatin1(".")␊
233␉ && fn != QString::fromLatin1("..") )␊
234␉ continue;␊
235␉ fiList->append( new QFileInfo( fi ) );␊
236␉}␊
237 }␊
238 if ( closedir(dir) != 0 ) {␊
239#if defined(CHECK_NULL)␊
240␉qWarning( "QDir::readDirEntries: Cannot close the directory: %s",␊
241␉␉ dPath.local8Bit().data() );␊
242#endif␊
243 }␊
244␊
245 // Sort...␊
246 if(fiList->count()) {␊
247␉QDirSortItem* si= new QDirSortItem[fiList->count()];␊
248␉QFileInfo* itm;␊
249␉i=0;␊
250␉for (itm = fiList->first(); itm; itm = fiList->next())␊
251␉ si[i++].item = itm;␊
252␉qt_cmp_si_sortSpec = sortSpec;␊
253␉qsort( si, i, sizeof(si[0]), qt_cmp_si );␊
254␉// put them back in the list␊
255␉fiList->setAutoDelete( FALSE );␊
256␉fiList->clear();␊
257␉int j;␊
258␉for ( j=0; j<i; j++ ) {␊
259␉ fiList->append( si[j].item );␊
260␉ fList->append( si[j].item->fileName() );␊
261␉}␊
262␉delete [] si;␊
263␉fiList->setAutoDelete( TRUE );␊
264 }␊
265␊
266 if ( filterSpec == (FilterSpec)filtS && sortSpec == (SortSpec)sortS &&␊
267␉ nameFilter == nameFilt )␊
268␉dirty = FALSE;␊
269 else␊
270␉dirty = TRUE;␊
271 return TRUE;␊
272}␊
273␊
274const QFileInfoList * QDir::drives()␊
275{␊
276 // at most one instance of QFileInfoList is leaked, and this variable␊
277 // points to that list␊
278 static QFileInfoList * knownMemoryLeak = 0;␊
279␊
280 if ( !knownMemoryLeak ) {␊
281␉knownMemoryLeak = new QFileInfoList;␊
282␉// non-win32 versions both use just one root directory␊
283␉knownMemoryLeak->append( new QFileInfo( rootDirPath() ) );␊
284 }␊
285␊
286 return knownMemoryLeak;␊
287}␊
288#endif //QT_NO_DIR␊
289

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