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tqt3/src/tools/qdir_unix.cpp

329 lines
9.0 KiB

/****************************************************************************
**
** Implementation of TQDir class
**
** Created : 950628
**
** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the tools module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#include "qplatformdefs.h"
#include "ntqdir.h"
#ifndef TQT_NO_DIR
#include "qdir_p.h"
#include "ntqfileinfo.h"
#include "ntqregexp.h"
#include "ntqstringlist.h"
#ifdef TQT_THREAD_SUPPORT
# include <private/qmutexpool_p.h>
#endif // TQT_THREAD_SUPPORT
#include <stdlib.h>
#include <limits.h>
#include <errno.h>
void TQDir::slashify( TQString& )
{
}
TQString TQDir::homeDirPath()
{
TQString d;
d = TQFile::decodeName(getenv("HOME"));
slashify( d );
if ( d.isNull() )
d = rootDirPath();
return d;
}
TQString TQDir::canonicalPath() const
{
TQString r;
#if !defined(PATH_MAX)
char *cur = ::get_current_dir_name();
if ( cur ) {
char *tmp = canonicalize_file_name( TQFile::encodeName( dPath ).data() );
if ( tmp ) {
r = TQFile::decodeName( tmp );
free( tmp );
}
slashify( r );
// always make sure we go back to the current dir
::chdir( cur );
free( cur );
}
#else
char cur[PATH_MAX+1];
if ( ::getcwd( cur, PATH_MAX ) ) {
char tmp[PATH_MAX+1];
// need the cast for old solaris versions of realpath that doesn't take
// a const char*.
if( ::realpath( (char*)TQFile::encodeName( dPath ).data(), tmp ) )
r = TQFile::decodeName( tmp );
slashify( r );
// always make sure we go back to the current dir
if (::chdir( cur ) < 0) {
// Error!
// FIXME
}
}
#endif /* !PATH_MAX */
return r;
}
bool TQDir::mkdir( const TQString &dirName, bool acceptAbsPath ) const
{
#if defined(Q_OS_MACX) // Mac X doesn't support trailing /'s
TQString name = dirName;
if (dirName[dirName.length() - 1] == "/")
name = dirName.left( dirName.length() - 1 );
int status =
::mkdir( TQFile::encodeName(filePath(name,acceptAbsPath)), 0777 );
#else
int status =
::mkdir( TQFile::encodeName(filePath(dirName,acceptAbsPath)), 0777 );
#endif
return status == 0;
}
bool TQDir::rmdir( const TQString &dirName, bool acceptAbsPath ) const
{
return ::rmdir( TQFile::encodeName(filePath(dirName,acceptAbsPath)) ) == 0;
}
bool TQDir::isReadable() const
{
return ::access( TQFile::encodeName(dPath), R_OK | X_OK ) == 0;
}
bool TQDir::isRoot() const
{
return dPath == TQString::fromLatin1("/");
}
bool TQDir::rename( const TQString &name, const TQString &newName,
bool acceptAbsPaths )
{
if ( name.isEmpty() || newName.isEmpty() ) {
#if defined(QT_CHECK_NULL)
tqWarning( "TQDir::rename: Empty or null file name(s)" );
#endif
return FALSE;
}
TQString fn1 = filePath( name, acceptAbsPaths );
TQString fn2 = filePath( newName, acceptAbsPaths );
return ::rename( TQFile::encodeName(fn1),
TQFile::encodeName(fn2) ) == 0;
}
bool TQDir::setCurrent( const TQString &path )
{
int r;
r = ::chdir( TQFile::encodeName(path) );
return r >= 0;
}
TQString TQDir::currentDirPath()
{
TQString result;
struct stat st;
if ( ::stat( ".", &st ) == 0 ) {
#if !defined(PATH_MAX)
char *currentName = ::get_current_dir_name();
if ( currentName ) {
result = TQFile::decodeName(currentName);
free( currentName );
}
#else
char currentName[PATH_MAX+1];
if ( ::getcwd( currentName, PATH_MAX ) )
result = TQFile::decodeName(currentName);
#endif /* !PATH_MAX */
#if defined(QT_DEBUG)
if ( result.isNull() )
tqWarning( "TQDir::currentDirPath: getcwd() failed" );
#endif
} else {
#if defined(QT_DEBUG)
tqWarning( "TQDir::currentDirPath: stat(\".\") failed" );
#endif
}
slashify( result );
return result;
}
TQString TQDir::rootDirPath()
{
TQString d = TQString::fromLatin1( "/" );
return d;
}
bool TQDir::isRelativePath( const TQString &path )
{
int len = path.length();
if ( len == 0 )
return TRUE;
return path[0] != '/';
}
bool TQDir::readDirEntries( const TQString &nameFilter,
int filterSpec, int sortSpec )
{
int i;
if ( !fList ) {
fList = new TQStringList;
TQ_CHECK_PTR( fList );
fiList = new TQFileInfoList;
TQ_CHECK_PTR( fiList );
fiList->setAutoDelete( TRUE );
} else {
fList->clear();
fiList->clear();
}
TQValueList<TQRegExp> filters = qt_makeFilterList( nameFilter );
bool doDirs = (filterSpec & Dirs) != 0;
bool doFiles = (filterSpec & Files) != 0;
bool noSymLinks = (filterSpec & NoSymLinks) != 0;
bool doReadable = (filterSpec & Readable) != 0;
bool doWritable = (filterSpec & Writable) != 0;
bool doExecable = (filterSpec & Executable) != 0;
bool doHidden = (filterSpec & Hidden) != 0;
bool doSystem = (filterSpec & System) != 0;
TQFileInfo fi;
DIR *dir;
dirent *file;
dir = opendir( TQFile::encodeName(dPath) );
if ( !dir )
return FALSE; // cannot read the directory
#if defined(TQT_THREAD_SUPPORT) && defined(_POSIX_THREAD_SAFE_FUNCTIONS) && !defined(Q_OS_CYGWIN)
union {
struct dirent mt_file;
char b[sizeof(struct dirent) + MAXNAMLEN + 1];
} u;
while ( readdir_r(dir, &u.mt_file, &file ) == 0 && file )
#else
while ( (file = readdir(dir)) )
#endif // TQT_THREAD_SUPPORT && _POSIX_THREAD_SAFE_FUNCTIONS
{
TQString fn = TQFile::decodeName(file->d_name);
fi.setFile( *this, fn );
if ( !qt_matchFilterList(filters, fn) && !(allDirs && fi.isDir()) )
continue;
if ( (doDirs && fi.isDir()) || (doFiles && fi.isFile()) ||
(doSystem && (!fi.isFile() && !fi.isDir())) ) {
if ( noSymLinks && fi.isSymLink() )
continue;
if ( (filterSpec & RWEMask) != 0 )
if ( (doReadable && !fi.isReadable()) ||
(doWritable && !fi.isWritable()) ||
(doExecable && !fi.isExecutable()) )
continue;
if ( !doHidden && fn[0] == '.' &&
fn != TQString::fromLatin1(".")
&& fn != TQString::fromLatin1("..") )
continue;
fiList->append( new TQFileInfo( fi ) );
}
}
if ( closedir(dir) != 0 ) {
#if defined(QT_CHECK_NULL)
tqWarning( "TQDir::readDirEntries: Cannot close the directory: %s",
dPath.local8Bit().data() );
#endif
}
// Sort...
if(fiList->count()) {
TQDirSortItem* si= new TQDirSortItem[fiList->count()];
TQFileInfo* itm;
i=0;
for (itm = fiList->first(); itm; itm = fiList->next())
si[i++].item = itm;
qt_cmp_si_sortSpec = sortSpec;
qsort( si, i, sizeof(si[0]), qt_cmp_si );
// put them back in the list
fiList->setAutoDelete( FALSE );
fiList->clear();
int j;
for ( j=0; j<i; j++ ) {
fiList->append( si[j].item );
fList->append( si[j].item->fileName() );
}
delete [] si;
fiList->setAutoDelete( TRUE );
}
if ( filterSpec == (FilterSpec)filtS && sortSpec == (SortSpec)sortS &&
nameFilter == nameFilt )
dirty = FALSE;
else
dirty = TRUE;
return TRUE;
}
const TQFileInfoList * TQDir::drives()
{
// at most one instance of TQFileInfoList is leaked, and this variable
// points to that list
static TQFileInfoList * knownMemoryLeak = 0;
if ( !knownMemoryLeak ) {
#ifdef TQT_THREAD_SUPPORT
TQMutexLocker locker( tqt_global_mutexpool ?
tqt_global_mutexpool->get( &knownMemoryLeak ) : 0 );
#endif // TQT_THREAD_SUPPORT
if ( !knownMemoryLeak ) {
knownMemoryLeak = new TQFileInfoList;
// non-win32 versions both use just one root directory
knownMemoryLeak->append( new TQFileInfo( rootDirPath() ) );
}
}
return knownMemoryLeak;
}
#endif //TQT_NO_DIR