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/******************************************************************************
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*
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*
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*
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* Copyright (C) 1997-2001 by Dimitri van Heesch.
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation under the terms of the GNU General Public License is hereby
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* granted. No representations are made about the suitability of this software
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* for any purpose. It is provided "as is" without express or implied warranty.
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* See the GNU General Public License for more details.
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*
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* Documents produced by Doxygen are derivative works derived from the
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* input used in their production; they are not affected by this license.
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*
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* Based on qfileinfo_unix.cpp
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*
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* Copyright (C) 1992-2000 Trolltech AS.
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*/
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#include "qglobal.h"
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#include "qfileinfo.h"
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#include "qfiledefs_p.h"
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#include "qdatetime.h"
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#include "qdir.h"
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static void reslashify( QString& n )
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{
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for ( int i=0; i<(int)n.length(); i++ )
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{
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if ( n[i] == '/' )
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n[i] = '\\';
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}
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}
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void QFileInfo::slashify( QString& n )
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{
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for ( int i=0; i<(int)n.length(); i++ )
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{
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if ( n[i] == '\\' )
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n[i] = '/';
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}
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}
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void QFileInfo::makeAbs( QString & )
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{
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// TODO: what to do here?
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return;
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}
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extern bool qt_file_access( const QString& fn, int t );
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/*!
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Returns TRUE if we are pointing to a real file.
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\sa isDir(), isSymLink()
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*/
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bool QFileInfo::isFile() const
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{
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if ( !fic || !cache )
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doStat();
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return fic ? (fic->st.st_mode & STAT_MASK) == STAT_REG : FALSE;
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}
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/*!
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Returns TRUE if we are pointing to a directory or a symbolic link to
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a directory.
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\sa isFile(), isSymLink()
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*/
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bool QFileInfo::isDir() const
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{
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if ( !fic || !cache )
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doStat();
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return fic ? (fic->st.st_mode & STAT_MASK) == STAT_DIR : FALSE;
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}
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/*!
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Returns TRUE if we are pointing to a symbolic link.
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\sa isFile(), isDir(), readLink()
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*/
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bool QFileInfo::isSymLink() const
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{
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if ( !fic || !cache )
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doStat();
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return fic ? fic->isSymLink : FALSE;
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}
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/*!
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Returns the name a symlink points to, or a null QString if the
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object does not refer to a symbolic link.
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This name may not represent an existing file; it is only a string.
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QFileInfo::exists() returns TRUE if the symlink points to an
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existing file.
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\sa exists(), isSymLink(), isDir(), isFile()
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*/
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QString QFileInfo::readLink() const
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{
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QString r;
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return r;
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}
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static const uint nobodyID = (uint) -2;
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/*!
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Returns the owner of the file.
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On systems where files do not have owners this function returns
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a null string.
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Note that this function can be time-consuming under UNIX. (in the order
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of milliseconds on a 486 DX2/66 running Linux).
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\sa ownerId(), group(), groupId()
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*/
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QString QFileInfo::owner() const
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{
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return QString::null;
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}
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/*!
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Returns the id of the owner of the file.
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On systems where files do not have owners this function returns ((uint) -2).
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\sa owner(), group(), groupId()
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*/
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uint QFileInfo::ownerId() const
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{
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return (uint)-2;
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}
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/*!
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Returns the group the file belongs to.
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On systems where files do not have groups this function always
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returns 0.
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Note that this function can be time-consuming under UNIX (in the order of
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milliseconds on a 486 DX2/66 running Linux).
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\sa groupId(), owner(), ownerId()
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*/
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QString QFileInfo::group() const
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{
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return QString::null;
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}
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/*!
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Returns the id of the group the file belongs to.
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On systems where files do not have groups this function always
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returns ((uind) -2).
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\sa group(), owner(), ownerId()
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*/
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uint QFileInfo::groupId() const
|
|
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{
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return (uint)-2;
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}
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|
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/*!
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\fn bool QFileInfo::permission( int permissionSpec ) const
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Tests for file permissions. The \e permissionSpec argument can be several
|
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flags of type PermissionSpec or'ed together to check for permission
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combinations.
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|
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On systems where files do not have permissions this function always
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|
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returns TRUE.
|
|
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|
|
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Example:
|
|
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\code
|
|
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QFileInfo fi( "/tmp/tonsils" );
|
|
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if ( fi.permission( QFileInfo::WriteUser | QFileInfo::ReadGroup ) )
|
|
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qWarning( "Tonsils can be changed by me, and the group can read them.");
|
|
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if ( fi.permission( QFileInfo::WriteGroup | QFileInfo::WriteOther ) )
|
|
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qWarning( "Danger! Tonsils can be changed by the group or others!" );
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|
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\endcode
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|
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|
|
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\sa isReadable(), isWritable(), isExecutable()
|
|
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*/
|
|
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|
|
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bool QFileInfo::permission( int permissionSpec ) const
|
|
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{
|
|
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return TRUE;
|
|
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}
|
|
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|
|
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/*!
|
|
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Returns the file size in bytes, or 0 if the file does not exist if the size
|
|
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cannot be fetched.
|
|
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*/
|
|
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|
|
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uint QFileInfo::size() const
|
|
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{
|
|
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if ( !fic || !cache )
|
|
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doStat();
|
|
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if ( fic )
|
|
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return (uint)fic->st.st_size;
|
|
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else
|
|
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return 0;
|
|
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}
|
|
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|
|
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|
|
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/*!
|
|
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Returns the date and time when the file was last modified.
|
|
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\sa lastRead()
|
|
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*/
|
|
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|
|
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QDateTime QFileInfo::lastModified() const
|
|
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{
|
|
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QDateTime dt;
|
|
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if ( !fic || !cache )
|
|
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doStat();
|
|
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if ( fic )
|
|
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dt.setTime_t( fic->st.st_mtime );
|
|
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return dt;
|
|
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}
|
|
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|
|
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/*!
|
|
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Returns the date and time when the file was last read (accessed).
|
|
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|
|
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On systems that do not support last read times, the modification time is
|
|
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returned.
|
|
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|
|
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\sa lastModified()
|
|
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*/
|
|
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|
|
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QDateTime QFileInfo::lastRead() const
|
|
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{
|
|
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QDateTime dt;
|
|
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if ( !fic || !cache )
|
|
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doStat();
|
|
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if ( fic )
|
|
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dt.setTime_t( fic->st.st_atime );
|
|
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return dt;
|
|
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}
|
|
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|
|
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|
|
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void QFileInfo::doStat() const
|
|
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{
|
|
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QFileInfo *that = ((QFileInfo*)this); // mutable function
|
|
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if ( !that->fic )
|
|
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that->fic = new QFileInfoCache;
|
|
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STATBUF *b = &that->fic->st;
|
|
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that->fic->isSymLink = FALSE;
|
|
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|
|
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1c1d7e |
#if defined(__CYGWIN32_)
|
|
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1c1d7e |
int r;
|
|
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1c1d7e |
|
|
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r = STAT( QFile::encodeName(fn), b );
|
|
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|
|
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if ( r != 0 ) {
|
|
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1c1d7e |
delete that->fic;
|
|
Packit |
1c1d7e |
that->fic = 0;
|
|
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1c1d7e |
}
|
|
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1c1d7e |
#else
|
|
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QString file = fn;
|
|
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file = QDir::cleanDirPath(file);
|
|
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1c1d7e |
reslashify(file);
|
|
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1c1d7e |
#ifdef QT_LARGEFILE_SUPPORT
|
|
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if ( _wstati64( (wchar_t*) file.ucs2(), b ) == -1 ) {
|
|
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1c1d7e |
#else
|
|
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1c1d7e |
if ( _wstat( (wchar_t*) file.ucs2(), b ) == -1 ) {
|
|
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#endif
|
|
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1c1d7e |
delete that->fic;
|
|
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that->fic = 0;
|
|
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}
|
|
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#endif
|
|
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}
|
|
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|
|
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/*!
|
|
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Returns the directory path of the file.
|
|
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1c1d7e |
|
|
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1c1d7e |
If \e absPath is TRUE an absolute path is always returned.
|
|
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1c1d7e |
|
|
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\sa dir(), filePath(), fileName(), isRelative()
|
|
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*/
|
|
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1c1d7e |
#ifndef QT_NO_DIR
|
|
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1c1d7e |
QString QFileInfo::dirPath( bool absPath ) const
|
|
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1c1d7e |
{
|
|
Packit |
1c1d7e |
QString s;
|
|
Packit |
1c1d7e |
if ( absPath )
|
|
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1c1d7e |
s = absFilePath();
|
|
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1c1d7e |
else
|
|
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1c1d7e |
s = fn;
|
|
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1c1d7e |
int pos = s.findRev( '/' );
|
|
Packit |
1c1d7e |
if ( pos == -1 ) {
|
|
Packit |
1c1d7e |
return QString::fromLatin1(".");
|
|
Packit |
1c1d7e |
} else {
|
|
Packit |
1c1d7e |
if ( pos == 0 )
|
|
Packit |
1c1d7e |
return QString::fromLatin1( "/" );
|
|
Packit |
1c1d7e |
return s.left( pos );
|
|
Packit |
1c1d7e |
}
|
|
Packit |
1c1d7e |
}
|
|
Packit |
1c1d7e |
#endif
|
|
Packit |
1c1d7e |
/*!
|
|
Packit |
1c1d7e |
Returns the name of the file, the file path is not included.
|
|
Packit |
1c1d7e |
|
|
Packit |
1c1d7e |
Example:
|
|
Packit |
1c1d7e |
\code
|
|
Packit |
1c1d7e |
QFileInfo fi( "/tmp/abdomen.lower" );
|
|
Packit |
1c1d7e |
QString name = fi.fileName(); // name = "abdomen.lower"
|
|
Packit |
1c1d7e |
\endcode
|
|
Packit |
1c1d7e |
|
|
Packit |
1c1d7e |
\sa isRelative(), filePath(), baseName(), extension()
|
|
Packit |
1c1d7e |
*/
|
|
Packit |
1c1d7e |
|
|
Packit |
1c1d7e |
QString QFileInfo::fileName() const
|
|
Packit |
1c1d7e |
{
|
|
Packit |
1c1d7e |
int p = fn.findRev( '/' );
|
|
Packit |
1c1d7e |
if ( p == -1 ) {
|
|
Packit |
1c1d7e |
return fn;
|
|
Packit |
1c1d7e |
} else {
|
|
Packit |
1c1d7e |
return fn.mid(p+1);
|
|
Packit |
1c1d7e |
}
|
|
Packit |
1c1d7e |
}
|
|
Packit |
1c1d7e |
|
|
Packit |
1c1d7e |
/*!
|
|
Packit |
1c1d7e |
Returns the absolute path name.
|
|
Packit |
1c1d7e |
|
|
Packit |
1c1d7e |
The absolute path name is the file name including the absolute path. If
|
|
Packit |
1c1d7e |
the QFileInfo is absolute (i.e. not relative) this function will return
|
|
Packit |
1c1d7e |
the same string as filePath().
|
|
Packit |
1c1d7e |
|
|
Packit |
1c1d7e |
Note that this function can be time-consuming under UNIX. (in the order
|
|
Packit |
1c1d7e |
of milliseconds on a 486 DX2/66 running Linux).
|
|
Packit |
1c1d7e |
|
|
Packit |
1c1d7e |
\sa isRelative(), filePath()
|
|
Packit |
1c1d7e |
*/
|
|
Packit |
1c1d7e |
#ifndef QT_NO_DIR
|
|
Packit |
1c1d7e |
QString QFileInfo::absFilePath() const
|
|
Packit |
1c1d7e |
{
|
|
Packit |
1c1d7e |
if ( QDir::isRelativePath(fn) ) {
|
|
Packit |
1c1d7e |
QString tmp = QDir::currentDirPath();
|
|
Packit |
1c1d7e |
tmp += '/';
|
|
Packit |
1c1d7e |
tmp += fn;
|
|
Packit |
1c1d7e |
makeAbs( tmp );
|
|
Packit |
1c1d7e |
return QDir::cleanDirPath( tmp );
|
|
Packit |
1c1d7e |
} else {
|
|
Packit |
1c1d7e |
QString tmp = fn;
|
|
Packit |
1c1d7e |
makeAbs( tmp );
|
|
Packit |
1c1d7e |
return QDir::cleanDirPath( tmp );
|
|
Packit |
1c1d7e |
}
|
|
Packit |
1c1d7e |
|
|
Packit |
1c1d7e |
}
|
|
Packit |
1c1d7e |
#endif
|