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-rw-r--r--tools/source/fsys/tempfile.cxx301
1 files changed, 301 insertions, 0 deletions
diff --git a/tools/source/fsys/tempfile.cxx b/tools/source/fsys/tempfile.cxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_tools.hxx"
+
+#include <tools/tempfile.hxx>
+#include "comdep.hxx"
+
+#include <rtl/ustring.hxx>
+#include <osl/file.hxx>
+#include <rtl/instance.hxx>
+#include <tools/time.hxx>
+#include <tools/debug.hxx>
+#include <stdio.h>
+
+#ifdef UNX
+#define _MAX_PATH 260
+#endif
+
+using namespace osl;
+
+namespace { struct TempNameBase_Impl : public rtl::Static< ::rtl::OUString, TempNameBase_Impl > {}; }
+
+struct TempFile_Impl
+{
+ String aName;
+ sal_Bool bIsDirectory;
+};
+
+String GetSystemTempDir_Impl()
+{
+ char sBuf[_MAX_PATH];
+ const char *pDir = TempDirImpl(sBuf);
+
+ ::rtl::OString aTmpA( pDir );
+ ::rtl::OUString aTmp = ::rtl::OStringToOUString( aTmpA, osl_getThreadTextEncoding() );
+ rtl::OUString aRet;
+ FileBase::getFileURLFromSystemPath( aTmp, aRet );
+ String aName = aRet;
+ if( aName.GetChar(aName.Len()-1) != '/' )
+ aName += '/';
+ return aName;
+}
+
+#define TMPNAME_SIZE ( 1 + 5 + 5 + 4 + 1 )
+String ConstructTempDir_Impl( const String* pParent )
+{
+ String aName;
+ if ( pParent && pParent->Len() )
+ {
+ // if parent given try to use it
+ rtl::OUString aTmp( *pParent );
+ rtl::OUString aRet;
+
+ // test for valid filename
+ {
+ ::osl::DirectoryItem aItem;
+ sal_Int32 i = aRet.getLength();
+ if ( aRet[i-1] == '/' )
+ i--;
+
+ if ( DirectoryItem::get( ::rtl::OUString( aRet, i ), aItem ) == FileBase::E_None )
+ aName = aRet;
+ }
+ }
+
+ if ( !aName.Len() )
+ {
+ // if no parent or invalid parent : use system directory
+ ::rtl::OUString& rTempNameBase_Impl = TempNameBase_Impl::get();
+ if ( !rTempNameBase_Impl.getLength() )
+ rTempNameBase_Impl = GetSystemTempDir_Impl();
+ aName = rTempNameBase_Impl;
+ }
+
+ // Make sure that directory ends with a separator
+ xub_StrLen i = aName.Len();
+ if( i>0 && aName.GetChar(i-1) != '/' )
+ aName += '/';
+
+ return aName;
+}
+
+void CreateTempName_Impl( String& rName, sal_Bool bKeep, sal_Bool bDir = sal_True )
+{
+ // add a suitable tempname
+ // Prefix can have 5 chars, leaving 3 for numbers. 26 ** 3 == 17576
+ // ER 13.07.00 why not radix 36 [0-9A-Z] ?!?
+ const unsigned nRadix = 26;
+ String aName( rName );
+ aName += String::CreateFromAscii( "sv" );
+
+ rName.Erase();
+ static unsigned long u = Time::GetSystemTicks();
+ for ( unsigned long nOld = u; ++u != nOld; )
+ {
+ u %= (nRadix*nRadix*nRadix);
+ String aTmp( aName );
+ aTmp += String::CreateFromInt32( (sal_Int32) (unsigned) u, nRadix );
+ aTmp += String::CreateFromAscii( ".tmp" );
+
+ if ( bDir )
+ {
+ FileBase::RC err = Directory::create( aTmp );
+ if ( err == FileBase::E_None )
+ {
+ // !bKeep: only for creating a name, not a file or directory
+ if ( bKeep || Directory::remove( aTmp ) == FileBase::E_None )
+ rName = aTmp;
+ break;
+ }
+ else if ( err != FileBase::E_EXIST )
+ {
+ // if f.e. name contains invalid chars stop trying to create dirs
+ break;
+ }
+ }
+ else
+ {
+ DBG_ASSERT( bKeep, "Too expensive, use directory for creating name!" );
+ File aFile( aTmp );
+ FileBase::RC err = aFile.open(osl_File_OpenFlag_Create);
+ if ( err == FileBase::E_None )
+ {
+ rName = aTmp;
+ aFile.close();
+ break;
+ }
+ else if ( err != FileBase::E_EXIST )
+ {
+ // if f.e. name contains invalid chars stop trying to create files
+ break;
+ }
+ }
+ }
+}
+
+String TempFile::CreateTempName( const String* pParent )
+{
+ // get correct directory
+ String aName = ConstructTempDir_Impl( pParent );
+
+ // get TempFile name with default naming scheme
+ CreateTempName_Impl( aName, sal_False );
+
+ // convert to file URL
+ rtl::OUString aTmp;
+ if ( aName.Len() )
+ aTmp = aName;
+ return aTmp;
+}
+
+TempFile::TempFile( const String* pParent, sal_Bool bDirectory )
+ : pImp( new TempFile_Impl )
+ , bKillingFileEnabled( sal_False )
+{
+ pImp->bIsDirectory = bDirectory;
+
+ // get correct directory
+ pImp->aName = ConstructTempDir_Impl( pParent );
+
+ // get TempFile with default naming scheme
+ CreateTempName_Impl( pImp->aName, sal_True, bDirectory );
+}
+
+TempFile::TempFile( const String& rLeadingChars, const String* pExtension, const String* pParent, sal_Bool bDirectory )
+ : pImp( new TempFile_Impl )
+ , bKillingFileEnabled( sal_False )
+{
+ pImp->bIsDirectory = bDirectory;
+
+ // get correct directory
+ String aName = ConstructTempDir_Impl( pParent );
+
+ // now use special naming scheme ( name takes leading chars and an index counting up from zero
+ aName += rLeadingChars;
+ for ( sal_Int32 i=0;; i++ )
+ {
+ String aTmp( aName );
+ aTmp += String::CreateFromInt32( i );
+ if ( pExtension )
+ aTmp += *pExtension;
+ else
+ aTmp += String::CreateFromAscii( ".tmp" );
+ if ( bDirectory )
+ {
+ FileBase::RC err = Directory::create( aTmp );
+ if ( err == FileBase::E_None )
+ {
+ pImp->aName = aTmp;
+ break;
+ }
+ else if ( err != FileBase::E_EXIST )
+ // if f.e. name contains invalid chars stop trying to create dirs
+ break;
+ }
+ else
+ {
+ File aFile( aTmp );
+ FileBase::RC err = aFile.open(osl_File_OpenFlag_Create);
+ if ( err == FileBase::E_None )
+ {
+ pImp->aName = aTmp;
+ aFile.close();
+ break;
+ }
+ else if ( err != FileBase::E_EXIST )
+ // if f.e. name contains invalid chars stop trying to create dirs
+ break;
+ }
+ }
+}
+
+TempFile::~TempFile()
+{
+ if ( bKillingFileEnabled )
+ {
+ if ( pImp->bIsDirectory )
+ {
+ // at the moment no recursiv algorithm present
+ Directory::remove( pImp->aName );
+ }
+ else
+ {
+ File::remove( pImp->aName );
+ }
+ }
+
+ delete pImp;
+}
+
+sal_Bool TempFile::IsValid() const
+{
+ return pImp->aName.Len() != 0;
+}
+
+String TempFile::GetName() const
+{
+ rtl::OUString aTmp;
+ aTmp = pImp->aName;
+ return aTmp;
+}
+
+String TempFile::SetTempNameBaseDirectory( const String &rBaseName )
+{
+ String aName( rBaseName );
+
+ ::rtl::OUString& rTempNameBase_Impl = TempNameBase_Impl::get();
+
+ FileBase::RC err= Directory::create( aName );
+ if ( err == FileBase::E_None || err == FileBase::E_EXIST )
+ {
+ rTempNameBase_Impl = aName;
+ rTempNameBase_Impl += String( '/' );
+
+ TempFile aBase( NULL, sal_True );
+ if ( aBase.IsValid() )
+ rTempNameBase_Impl = aBase.pImp->aName;
+ }
+
+ rtl::OUString aTmp;
+ aTmp = rTempNameBase_Impl;
+ return aTmp;
+}
+
+String TempFile::GetTempNameBaseDirectory()
+{
+ ::rtl::OUString& rTempNameBase_Impl = TempNameBase_Impl::get();
+ if ( !rTempNameBase_Impl.getLength() )
+ rTempNameBase_Impl = GetSystemTempDir_Impl();
+
+ rtl::OUString aTmp;
+ aTmp = rTempNameBase_Impl;
+ return aTmp;
+}
+
generated by cgit (git 2.34.1) at 2024-07-16 19:01:19 +0000