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|
/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: fstat.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: obo $ $Date: 2006-09-17 00:53:29 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"
#if defined( WIN)
#include <stdio.h>
#include <dos.h>
#endif
#ifdef UNX
#include <errno.h>
#endif
#include <limits.h>
#include <string.h>
#include "comdep.hxx"
#include <fsys.hxx>
/*************************************************************************
|*
|* FileStat::FileStat()
|*
|* Beschreibung FSYS.SDW
|* Ersterstellung MI 11.06.91
|* Letzte Aenderung MI 11.06.91
|*
*************************************************************************/
FileStat::FileStat()
: // don't use Default-Ctors!
aDateCreated( ULONG(0) ),
aTimeCreated( ULONG(0) ),
aDateModified( ULONG(0) ),
aTimeModified( ULONG(0) ),
aDateAccessed( ULONG(0) ),
aTimeAccessed( ULONG(0) )
{
nSize = 0;
nKindFlags = FSYS_KIND_UNKNOWN;
nError = FSYS_ERR_OK;
}
/*************************************************************************
|*
|* FileStat::FileStat()
|*
|* Beschreibung FSYS.SDW
|* Ersterstellung MI 11.06.91
|* Letzte Aenderung MI 11.06.91
|*
*************************************************************************/
FileStat::FileStat( const DirEntry& rDirEntry, FSysAccess nAccess )
: // don't use Default-Ctors!
aDateCreated( ULONG(0) ),
aTimeCreated( ULONG(0) ),
aDateModified( ULONG(0) ),
aTimeModified( ULONG(0) ),
aDateAccessed( ULONG(0) ),
aTimeAccessed( ULONG(0) )
{
BOOL bCached = FSYS_ACCESS_CACHED == (nAccess & FSYS_ACCESS_CACHED);
BOOL bFloppy = FSYS_ACCESS_FLOPPY == (nAccess & FSYS_ACCESS_FLOPPY);
#ifdef FEAT_FSYS_DOUBLESPEED
const FileStat *pStatFromDir = bCached ? rDirEntry.ImpGetStat() : 0;
if ( pStatFromDir )
{
nError = pStatFromDir->nError;
nKindFlags = pStatFromDir->nKindFlags;
nSize = pStatFromDir->nSize;
aCreator = pStatFromDir->aCreator;
aType = pStatFromDir->aType;
aDateCreated = pStatFromDir->aDateCreated;
aTimeCreated = pStatFromDir->aTimeCreated;
aDateModified = pStatFromDir->aDateModified;
aTimeModified = pStatFromDir->aTimeModified;
aDateAccessed = pStatFromDir->aDateAccessed;
aTimeAccessed = pStatFromDir->aTimeAccessed;
}
else
#endif
Update( rDirEntry, bFloppy );
}
/*************************************************************************
|*
|* FileStat::IsYounger()
|*
|* Beschreibung FSYS.SDW
|* Ersterstellung MA 11.11.91
|* Letzte Aenderung MA 11.11.91
|*
*************************************************************************/
// TRUE wenn die Instanz j"unger als rIsOlder ist.
// FALSE wenn die Instanz "alter oder gleich alt wie rIsOlder ist.
BOOL FileStat::IsYounger( const FileStat& rIsOlder ) const
{
if ( aDateModified > rIsOlder.aDateModified )
return TRUE;
if ( ( aDateModified == rIsOlder.aDateModified ) &&
( aTimeModified > rIsOlder.aTimeModified ) )
return TRUE;
return FALSE;
}
/*************************************************************************
|*
|* FileStat::IsKind()
|*
|* Ersterstellung MA 11.11.91 (?)
|* Letzte Aenderung KH 16.01.95
|*
*************************************************************************/
BOOL FileStat::IsKind( DirEntryKind nKind ) const
{
BOOL bRet = ( ( nKind == FSYS_KIND_UNKNOWN ) &&
( nKindFlags == FSYS_KIND_UNKNOWN ) ) ||
( ( nKindFlags & nKind ) == nKind );
return bRet;
}
/*************************************************************************
|*
|* FileStat::HasReadOnlyFlag()
|*
|* Ersterstellung MI 06.03.97
|* Letzte Aenderung UT 01.07.98
|*
*************************************************************************/
BOOL FileStat::HasReadOnlyFlag()
{
#if defined WNT || defined UNX
return TRUE;
#else
return FALSE;
#endif
}
/*************************************************************************
|*
|* FileStat::GetReadOnlyFlag()
|*
|* Ersterstellung MI 06.03.97
|* Letzte Aenderung UT 02.07.98
|*
*************************************************************************/
BOOL FileStat::GetReadOnlyFlag( const DirEntry &rEntry )
{
ByteString aFPath(rEntry.GetFull(), osl_getThreadTextEncoding());
#if defined WNT
DWORD nRes = GetFileAttributes( (LPCTSTR) aFPath.GetBuffer() );
return ULONG_MAX != nRes &&
( FILE_ATTRIBUTE_READONLY & nRes ) == FILE_ATTRIBUTE_READONLY;
#elif defined UNX
/* could we stat the object? */
struct stat aBuf;
if (stat(aFPath.GetBuffer(), &aBuf))
return FALSE;
/* jupp, is writable for user? */
return((aBuf.st_mode & S_IWUSR) != S_IWUSR);
#else
return FALSE;
#endif
}
/*************************************************************************
|*
|* FileStat::SetReadOnlyFlag()
|*
|* Ersterstellung MI 06.03.97
|* Letzte Aenderung UT 01.07.98
|*
*************************************************************************/
ULONG FileStat::SetReadOnlyFlag( const DirEntry &rEntry, BOOL bRO )
{
ByteString aFPath(rEntry.GetFull(), osl_getThreadTextEncoding());
#if defined WNT
DWORD nRes = GetFileAttributes( (LPCTSTR) aFPath.GetBuffer() );
if ( ULONG_MAX != nRes )
nRes = SetFileAttributes( (LPCTSTR) aFPath.GetBuffer(),
( nRes & ~FILE_ATTRIBUTE_READONLY ) |
( bRO ? FILE_ATTRIBUTE_READONLY : 0 ) );
return ( ULONG_MAX == nRes ) ? ERRCODE_IO_UNKNOWN : 0;
#elif defined UNX
/* first, stat the object to get permissions */
struct stat aBuf;
if (stat(aFPath.GetBuffer(), &aBuf))
return ERRCODE_IO_NOTEXISTS;
/* set or clear write bit for user */
mode_t nMode;
if (bRO)
{
nMode = aBuf.st_mode & ~S_IWUSR;
nMode = aBuf.st_mode & ~S_IWGRP;
nMode = aBuf.st_mode & ~S_IWOTH;
}
else
nMode = aBuf.st_mode | S_IWUSR;
/* change it on fs */
if (chmod(aFPath.GetBuffer(), nMode))
{
switch (errno)
{
case EPERM :
case EROFS :
return ERRCODE_IO_ACCESSDENIED;
default :
return ERRCODE_IO_NOTEXISTS;
}
}
else
return ERRCODE_NONE;
#else
return ERRCODE_IO_NOTSUPPORTED;
#endif
}
/*************************************************************************
|*
|* FileStat::SetDateTime
|*
|* Ersterstellung PB 27.06.97
|* Letzte Aenderung
|*
*************************************************************************/
#if defined WNT
void FileStat::SetDateTime( const String& rFileName,
const DateTime& rNewDateTime )
{
ByteString aFileName(rFileName, osl_getThreadTextEncoding());
Date aNewDate = rNewDateTime;
Time aNewTime = rNewDateTime;
TIME_ZONE_INFORMATION aTZI;
DWORD dwTZI = GetTimeZoneInformation( &aTZI );
if ( dwTZI != (DWORD)-1 && dwTZI != TIME_ZONE_ID_UNKNOWN )
{
// 1. Korrektur der Zeitzone
LONG nDiff = aTZI.Bias;
Time aOldTime = aNewTime; // alte Zeit merken
// 2. evt. Korrektur Sommer-/Winterzeit
if ( dwTZI == TIME_ZONE_ID_DAYLIGHT )
nDiff += aTZI.DaylightBias;
Time aDiff( abs( nDiff / 60 /*Min -> Std*/ ), 0 );
if ( nDiff > 0 )
{
aNewTime += aDiff; // Stundenkorrektur
// bei "Uberlauf korrigieren
if ( aNewTime >= Time( 24, 0 ) )
aNewTime -= Time( 24, 0 );
// Tages"uberlauf?
if ( aOldTime == Time( 0, 0 ) || // 00:00 -> 01:00
aNewTime < aOldTime ) // 23:00 -> 00:00 | 01:00 ...
aNewDate++;
}
else if ( nDiff < 0 )
{
aNewTime -= aDiff; // Stundenkorrektur
// negative Zeit (-1:00) korrigieren: 23:00
if (aNewTime < Time( 0, 0 ) )
aNewTime += Time( 24, 0 );
// Tagesunterlauf ?
if ( aOldTime == Time( 0, 0 ) || // 00:00 -> 23:00
aNewTime > aOldTime ) // 01:00 -> 23:00 | 22:00 ...
aNewDate--;
}
}
SYSTEMTIME aTime;
aTime.wYear = aNewDate.GetYear();
aTime.wMonth = aNewDate.GetMonth();
aTime.wDayOfWeek = 0;
aTime.wDay = aNewDate.GetDay();
aTime.wHour = aNewTime.GetHour();
aTime.wMinute = aNewTime.GetMin();
aTime.wSecond = aNewTime.GetSec();
aTime.wMilliseconds = 0;
FILETIME aFileTime;
SystemTimeToFileTime( &aTime, &aFileTime );
HANDLE hFile = CreateFile( aFileName.GetBuffer(), GENERIC_WRITE, 0, 0,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0 );
if ( hFile != INVALID_HANDLE_VALUE )
{
SetFileTime( hFile, &aFileTime, &aFileTime, &aFileTime );
CloseHandle( hFile );
}
}
#endif
|
