Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <osl/file.h>
      21             : #include <sal/macros.h>
      22             : 
      23             : #if defined( UNX)
      24             : 
      25             : #include <stdio.h>
      26             : #include <string.h>
      27             : #include <osl/thread.h>
      28             : 
      29           0 : oslFileError SAL_CALL my_getTempDirURL( rtl_uString** pustrTempDir )
      30             : {
      31           0 :     const char *pValue = getenv( "TEMP" );
      32             : 
      33           0 :     if ( !pValue )
      34             :     {
      35           0 :         pValue = getenv( "TMP" );
      36             : #if defined(SOLARIS) || defined (LINUX)
      37           0 :         if ( !pValue )
      38           0 :             pValue = P_tmpdir;
      39             : #endif
      40             :     }
      41             : 
      42           0 :     if ( pValue )
      43             :     {
      44             :         oslFileError error;
      45           0 :         rtl_uString *ustrTempPath = NULL;
      46             : 
      47           0 :         rtl_string2UString( &ustrTempPath, pValue, strlen( pValue ), osl_getThreadTextEncoding(), OSTRING_TO_OUSTRING_CVTFLAGS );
      48           0 :         error = osl_getFileURLFromSystemPath( ustrTempPath, pustrTempDir );
      49           0 :         rtl_uString_release( ustrTempPath );
      50             : 
      51           0 :         return error;
      52             :     }
      53             :     else
      54           0 :         return osl_File_E_NOENT;
      55             : }
      56             : #else
      57             : 
      58             : #if defined _MSC_VER
      59             : #pragma warning(push, 1)
      60             : #endif
      61             : 
      62             : #define WIN32_LEAN_AND_MEAN
      63             : #include <windows.h>
      64             : #include <malloc.h>
      65             : 
      66             : #if defined _MSC_VER
      67             : #pragma warning(pop)
      68             : #endif
      69             : 
      70             : oslFileError SAL_CALL my_getTempDirURL( rtl_uString** pustrTempDir )
      71             : {
      72             :     WCHAR   szBuffer[MAX_PATH];
      73             :     LPWSTR  lpBuffer = szBuffer;
      74             :     DWORD   nBufferLength = SAL_N_ELEMENTS(szBuffer) - 1;
      75             : 
      76             :     DWORD           nLength;
      77             :     oslFileError    error;
      78             : 
      79             :     do
      80             :     {
      81             :         nLength = GetTempPathW( SAL_N_ELEMENTS(szBuffer), lpBuffer );
      82             :         if ( nLength > nBufferLength )
      83             :         {
      84             :             nLength++;
      85             :             lpBuffer = (LPWSTR)alloca( sizeof(WCHAR) * nLength );
      86             :             nBufferLength = nLength - 1;
      87             :         }
      88             :     } while ( nLength > nBufferLength );
      89             : 
      90             :     if ( nLength )
      91             :     {
      92             :         rtl_uString *ustrTempPath = NULL;
      93             : 
      94             :         if ( '\\' == lpBuffer[nLength-1] )
      95             :             lpBuffer[nLength-1] = 0;
      96             : 
      97             :         rtl_uString_newFromStr( &ustrTempPath, reinterpret_cast<const sal_Unicode*>(lpBuffer) );
      98             : 
      99             :         error = osl_getFileURLFromSystemPath( ustrTempPath, pustrTempDir );
     100             : 
     101             :         rtl_uString_release( ustrTempPath );
     102             :     }
     103             :     else
     104             :         error = GetLastError() == ERROR_SUCCESS ? osl_File_E_None : osl_File_E_INVAL;
     105             : 
     106             :     return error;
     107             : }
     108             : #endif
     109             : 
     110             : #include "tempfile.hxx"
     111             : 
     112           0 : PlaceWareTempFile::PlaceWareTempFile( const OUString& rTempFileURL )
     113           0 : :osl::File( rTempFileURL ), maURL( rTempFileURL )
     114             : {
     115           0 : }
     116             : 
     117           0 : PlaceWareTempFile::~PlaceWareTempFile()
     118             : {
     119           0 :     close();
     120             : 
     121           0 :     if( !maURL.isEmpty() )
     122           0 :         osl::File::remove( maURL );
     123           0 : }
     124             : 
     125           0 : OUString PlaceWareTempFile::createTempFileURL()
     126             : {
     127           0 :     OUString aTempFileURL;
     128             : 
     129           0 :     const sal_uInt32 nRadix = 26;
     130             : 
     131           0 :     OUString aTempDirURL;
     132           0 :     /* oslFileError nRC = */ my_getTempDirURL( &aTempDirURL.pData );
     133             : 
     134           0 :     static sal_uInt32 u = osl_getGlobalTimer();
     135           0 :     for ( sal_uInt32 nOld = u; ++u != nOld; )
     136             :     {
     137           0 :         u %= (nRadix*nRadix*nRadix);
     138           0 :         OUString aTmp( aTempDirURL );
     139           0 :         if( !aTmp.endsWith("/") )
     140           0 :             aTmp += "/";
     141           0 :         aTmp += OUString::number(  (unsigned) u, nRadix );
     142           0 :         aTmp += ".tmp";
     143             : 
     144           0 :         osl::File aFile( aTmp );
     145           0 :         osl::FileBase::RC err = aFile.open(osl_File_OpenFlag_Create);
     146           0 :         if (  err == FileBase::E_None )
     147             :         {
     148           0 :             aTempFileURL = aTmp;
     149           0 :             aFile.close();
     150           0 :             break;
     151             :         }
     152           0 :         else if ( err != FileBase::E_EXIST )
     153             :         {
     154             :              // if f.e. name contains invalid chars stop trying to create files
     155           0 :              break;
     156             :         }
     157           0 :     }
     158             : 
     159           0 :     return aTempFileURL;
     160             : }
     161             : 
     162           0 : OUString PlaceWareTempFile::getFileURL()
     163             : {
     164           0 :     return maURL;
     165             : }
     166             : 
     167             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */