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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.
+ *
+ ************************************************************************/
+
+#include <string.h>
+#include <limits.h>
+
+#define INCL_PM
+#define INCL_DOS
+#define INCL_DOSERRORS
+#include <svpm.h>
+
+#include <tools/debug.hxx>
+#include <tools/fsys.hxx>
+#include <tools/stream.hxx>
+
+// class FileBase
+#include <osl/file.hxx>
+
+using namespace osl;
+
+// class FileBase
+#ifndef _OSL_FILE_HXX_
+#include <osl/file.hxx>
+#endif
+
+using namespace osl;
+
+// -----------------------------------------------------------------------
+
+// --------------
+// - StreamData -
+// --------------
+
+class StreamData
+{
+public:
+ HFILE hFile;
+ sal_Bool bIsEof;
+
+ StreamData()
+ {
+ hFile = 0;
+ bIsEof = sal_True;
+ }
+};
+
+// -----------------------------------------------------------------------
+
+sal_uIntPtr GetSvError( APIRET nPMError )
+{
+ static struct { APIRET pm; sal_uIntPtr sv; } errArr[] =
+ {
+ { ERROR_FILE_NOT_FOUND, SVSTREAM_FILE_NOT_FOUND },
+ { ERROR_PATH_NOT_FOUND, SVSTREAM_PATH_NOT_FOUND },
+ { ERROR_TOO_MANY_OPEN_FILES, SVSTREAM_TOO_MANY_OPEN_FILES },
+ { ERROR_ACCESS_DENIED, SVSTREAM_ACCESS_DENIED },
+ { ERROR_INVALID_ACCESS, SVSTREAM_INVALID_ACCESS },
+ { ERROR_SHARING_VIOLATION, SVSTREAM_SHARING_VIOLATION },
+ { ERROR_SHARING_BUFFER_EXCEEDED,SVSTREAM_SHARE_BUFF_EXCEEDED },
+ { ERROR_CANNOT_MAKE, SVSTREAM_CANNOT_MAKE },
+ { ERROR_INVALID_PARAMETER, SVSTREAM_INVALID_PARAMETER },
+ { ERROR_DRIVE_LOCKED, SVSTREAM_LOCKING_VIOLATION },
+ { ERROR_LOCK_VIOLATION, SVSTREAM_LOCKING_VIOLATION },
+ { ERROR_FILENAME_EXCED_RANGE, SVSTREAM_INVALID_PARAMETER },
+ { ERROR_ATOMIC_LOCK_NOT_SUPPORTED, SVSTREAM_INVALID_PARAMETER },
+ { ERROR_READ_LOCKS_NOT_SUPPORTED, SVSTREAM_INVALID_PARAMETER },
+
+
+ { 0xFFFF, SVSTREAM_GENERALERROR }
+ };
+
+ sal_uIntPtr nRetVal = SVSTREAM_GENERALERROR; // Standardfehler
+ int i=0;
+ do
+ {
+ if( errArr[i].pm == nPMError )
+ {
+ nRetVal = errArr[i].sv;
+ break;
+ }
+ i++;
+ }
+ while( errArr[i].pm != 0xFFFF );
+ return nRetVal;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::SvFileStream()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+SvFileStream::SvFileStream( const String& rFileName, StreamMode nOpenMode )
+{
+ bIsOpen = sal_False;
+ nLockCounter = 0;
+ bIsWritable = sal_False;
+ pInstanceData = new StreamData;
+
+ SetBufferSize( 8192 );
+ // convert URL to SystemPath, if necessary
+ ::rtl::OUString aFileName, aNormPath;
+
+ if ( FileBase::getSystemPathFromFileURL( rFileName, aFileName ) != FileBase::E_None )
+ aFileName = rFileName;
+ Open( aFileName, nOpenMode );
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::SvFileStream()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 22.11.94
+|* Letzte Aenderung OV 22.11.94
+|*
+*************************************************************************/
+
+SvFileStream::SvFileStream()
+{
+ bIsOpen = sal_False;
+ nLockCounter = 0;
+ bIsWritable = sal_False;
+ pInstanceData = new StreamData;
+ SetBufferSize( 8192 );
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::~SvFileStream()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 14.06.94
+|* Letzte Aenderung OV 14.06.94
+|*
+*************************************************************************/
+
+SvFileStream::~SvFileStream()
+{
+ Close();
+ if( pInstanceData )
+ delete pInstanceData;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::GetFileHandle()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 14.06.94
+|* Letzte Aenderung OV 14.06.94
+|*
+*************************************************************************/
+
+sal_uIntPtr SvFileStream::GetFileHandle() const
+{
+ return (sal_uIntPtr)pInstanceData->hFile;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::IsA()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 14.06.94
+|* Letzte Aenderung OV 14.06.94
+|*
+*************************************************************************/
+
+sal_uInt16 SvFileStream::IsA() const
+{
+ return ID_FILESTREAM;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::GetData()
+|*
+|* Beschreibung STREAM.SDW, Prueft nicht Eof; IsEof danach rufbar
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+sal_uIntPtr SvFileStream::GetData( void* pData, sal_uIntPtr nSize )
+{
+#ifdef DBG_UTIL
+ ByteString aTraceStr( "SvFileStream::GetData(): " );
+ aTraceStr += ByteString::CreateFromInt64(nSize);
+ aTraceStr += " Bytes from ";
+ aTraceStr += ByteString(aFilename, osl_getThreadTextEncoding());
+ DBG_TRACE( aTraceStr.GetBuffer() );
+#endif
+
+ sal_uIntPtr nCount = 0L;
+ if( IsOpen() )
+ {
+ APIRET nResult;
+ nResult = DosRead( pInstanceData->hFile,(PVOID)pData,nSize,&nCount );
+ if( nResult )
+ SetError(::GetSvError(nResult) );
+ }
+ return nCount;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::PutData()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+sal_uIntPtr SvFileStream::PutData( const void* pData, sal_uIntPtr nSize )
+{
+#ifdef DBG_UTIL
+ ByteString aTraceStr( "SvFileStrean::PutData: " );
+ aTraceStr += ByteString::CreateFromInt64(nSize);
+ aTraceStr += " Bytes to ";
+ aTraceStr += ByteString(aFilename, osl_getThreadTextEncoding());
+ DBG_TRACE( aTraceStr.GetBuffer() );
+#endif
+
+ sal_uIntPtr nCount = 0L;
+ if( IsOpen() )
+ {
+ APIRET nResult;
+ nResult = DosWrite( pInstanceData->hFile,(PVOID)pData,nSize,&nCount );
+ if( nResult )
+ SetError(::GetSvError(nResult) );
+ else if( !nCount )
+ SetError( SVSTREAM_DISK_FULL );
+ }
+ return nCount;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::SeekPos()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+sal_uIntPtr SvFileStream::SeekPos( sal_uIntPtr nPos )
+{
+ sal_uIntPtr nNewPos = 0L;
+ if( IsOpen() )
+ {
+ APIRET nResult;
+
+ if( nPos != STREAM_SEEK_TO_END )
+ nResult = DosSetFilePtr( pInstanceData->hFile,(long)nPos,
+ FILE_BEGIN, &nNewPos );
+ else
+ nResult = DosSetFilePtr( pInstanceData->hFile,0L,
+ FILE_END, &nNewPos );
+
+ if( nResult )
+ SetError(::GetSvError(nResult) );
+ }
+ else
+ SetError( SVSTREAM_GENERALERROR );
+ return nNewPos;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::Tell()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+/*
+sal_uIntPtr SvFileStream::Tell()
+{
+ sal_uIntPtr nPos = 0L;
+
+ if( IsOpen() )
+ {
+ APIRET nResult;
+ nResult = DosSetFilePtr(pInstanceData->hFile,0L,FILE_CURRENT,&nPos);
+ if( nResult )
+ SetError(::GetSvError(nResult) );
+ }
+ return nPos;
+}
+*/
+
+/*************************************************************************
+|*
+|* SvFileStream::FlushData()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+void SvFileStream::FlushData()
+{
+ if( IsOpen() )
+ {
+ APIRET nResult;
+ nResult = DosResetBuffer(pInstanceData->hFile );
+ if( nResult )
+ SetError(::GetSvError(nResult) );
+ }
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::LockRange()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+sal_Bool SvFileStream::LockRange( sal_uIntPtr nByteOffset, sal_uIntPtr nBytes )
+{
+ sal_Bool bRetVal = sal_False;
+ if( IsOpen() )
+ {
+ APIRET nResult;
+ FILELOCK aLockArea, aUnlockArea;
+ aUnlockArea.lOffset = 0L;
+ aUnlockArea.lRange = 0L;
+ aLockArea.lOffset = (long)nByteOffset;
+ aLockArea.lRange = (long)nBytes;
+
+ nResult = DosSetFileLocks(pInstanceData->hFile,
+ &aUnlockArea, &aLockArea,
+ 1000UL, // Zeit in ms bis Abbruch
+ 0L // kein Atomic-Lock
+ );
+
+ if( nResult )
+ SetError(::GetSvError(nResult) );
+ else
+ bRetVal = sal_True;
+ }
+ return bRetVal;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::UnlockRange()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+sal_Bool SvFileStream::UnlockRange( sal_uIntPtr nByteOffset, sal_uIntPtr nBytes )
+{
+ sal_Bool bRetVal = sal_False;
+ if( IsOpen() )
+ {
+ APIRET nResult;
+ FILELOCK aLockArea, aUnlockArea;
+ aLockArea.lOffset = 0L;
+ aLockArea.lRange = 0L;
+ aUnlockArea.lOffset = (long)nByteOffset;
+ aUnlockArea.lRange = (long)nBytes;
+
+ nResult = DosSetFileLocks(pInstanceData->hFile,
+ &aUnlockArea, &aLockArea,
+ 1000UL, // Zeit in ms bis Abbruch
+ 0L // kein Atomic-Lock
+ );
+
+ if( nResult )
+ SetError(::GetSvError(nResult) );
+ else
+ bRetVal = sal_True;
+ }
+ return bRetVal;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::LockFile()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+sal_Bool SvFileStream::LockFile()
+{
+ sal_Bool bRetVal = sal_False;
+ if( !nLockCounter )
+ {
+ if( LockRange( 0L, LONG_MAX ) )
+ {
+ nLockCounter = 1;
+ bRetVal = sal_True;
+ }
+ }
+ else
+ {
+ nLockCounter++;
+ bRetVal = sal_True;
+ }
+ return bRetVal;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::UnlockFile()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+sal_Bool SvFileStream::UnlockFile()
+{
+ sal_Bool bRetVal = sal_False;
+ if( nLockCounter > 0)
+ {
+ if( nLockCounter == 1)
+ {
+ if( UnlockRange( 0L, LONG_MAX ) )
+ {
+ nLockCounter = 0;
+ bRetVal = sal_True;
+ }
+ }
+ else
+ {
+ nLockCounter--;
+ bRetVal = sal_True;
+ }
+ }
+ return bRetVal;
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::Open()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+#if 0
+sal_Bool createLongNameEA ( const PCSZ pszPath, sal_uIntPtr ulAttributes, const String& aLongName );
+#endif
+
+void SvFileStream::Open( const String& rFilename, StreamMode nOpenMode )
+{
+ String aParsedFilename;
+
+#if 0
+ if ( Folder::IsAvailable() && (rFilename.Search('{') < 9) )
+ {
+ String aVirtualPart;
+ String aRealPart;
+ String aVirtualPath;
+ ItemIDPath aVirtualURL;
+ sal_uIntPtr nDivider = 0;
+
+ String aVirtualString(rFilename);
+
+ for (int x=aVirtualString.Len(); x>0; x--)
+ {
+ if (aVirtualString.Copy(x,1).Compare("}")==COMPARE_EQUAL)
+ {
+ nDivider = x;
+ break;
+ }
+ }
+
+ aVirtualPart = aVirtualString.Copy(0,nDivider+1);
+ aRealPart = aVirtualString.Copy(nDivider+2);
+
+ aVirtualURL = aVirtualPart;
+ aVirtualPath = aVirtualURL.GetHostNotationPath();
+
+ DirEntry aTempDirEntry(aVirtualPath);
+
+ aTempDirEntry += aRealPart;
+
+ aParsedFilename = aTempDirEntry.GetFull();
+ }
+ else
+#endif // 0
+ {
+ aParsedFilename = rFilename;
+ }
+
+ Close();
+ SvStream::ClearBuffer();
+
+ sal_uIntPtr nActionTaken;
+ sal_uIntPtr nOpenAction = 0L;
+ sal_uIntPtr nShareBits = 0L;
+ sal_uIntPtr nReadWriteBits = 0L;
+
+ eStreamMode = nOpenMode;
+ eStreamMode &= ~STREAM_TRUNC; // beim ReOpen nicht cutten
+
+ nOpenMode |= STREAM_SHARE_DENYNONE; // definierten Zustand garantieren
+
+ // ********* Zugriffsflags ***********
+ if( nOpenMode & STREAM_SHARE_DENYNONE)
+ nShareBits = OPEN_SHARE_DENYNONE;
+
+ if( nOpenMode & STREAM_SHARE_DENYREAD)
+ nShareBits = OPEN_SHARE_DENYREAD;
+
+ if( nOpenMode & STREAM_SHARE_DENYWRITE)
+ nShareBits = OPEN_SHARE_DENYWRITE;
+
+ if( nOpenMode & STREAM_SHARE_DENYALL)
+ nShareBits = OPEN_SHARE_DENYREADWRITE;
+
+ if( (nOpenMode & STREAM_READ) )
+ {
+ if( nOpenMode & STREAM_WRITE )
+ nReadWriteBits |= OPEN_ACCESS_READWRITE;
+ else
+ {
+ nReadWriteBits |= OPEN_ACCESS_READONLY;
+ nOpenMode |= STREAM_NOCREATE;
+ }
+ }
+ else
+ nReadWriteBits |= OPEN_ACCESS_WRITEONLY;
+
+
+ if( nOpenMode & STREAM_NOCREATE )
+ {
+ // Datei nicht erzeugen
+ nOpenAction = OPEN_ACTION_FAIL_IF_NEW | OPEN_ACTION_OPEN_IF_EXISTS;
+ }
+ else
+ {
+ // Datei erzeugen, wenn nicht vorhanden
+ nOpenAction = OPEN_ACTION_CREATE_IF_NEW;
+ if( nOpenMode & STREAM_TRUNC )
+ // Auf Nullaenge kuerzen, wenn existiert
+ nOpenAction |= OPEN_ACTION_REPLACE_IF_EXISTS;
+ else
+ // Inhalt der Datei nicht wegwerfen
+ nOpenAction |= OPEN_ACTION_OPEN_IF_EXISTS;
+ }
+
+#if 0 // YD
+ //
+ // resolves long FAT names used by OS2
+ //
+ sal_Bool bIsLongOS2=sal_False;
+ if (Folder::IsAvailable())
+ {
+ DirEntry aDirEntry(rFilename);
+ if (aDirEntry.IsLongNameOnFAT())
+ {
+ // in kurzen Pfad wandeln
+ ItemIDPath aItemIDPath(rFilename);
+ aParsedFilename = aItemIDPath.GetHostNotationPath();
+ bIsLongOS2 = sal_True;
+ }
+ }
+#endif
+
+ aFilename = aParsedFilename;
+ ByteString aFileNameA( aFilename, gsl_getSystemTextEncoding());
+ FSysRedirector::DoRedirect( aFilename );
+
+#ifdef DBG_UTIL
+ ByteString aTraceStr( "SvFileStream::Open(): " );
+ aTraceStr += aFileNameA;
+ DBG_TRACE( aTraceStr.GetBuffer() );
+#endif
+
+ APIRET nRet = DosOpen( aFileNameA.GetBuffer(), &pInstanceData->hFile,
+ &nActionTaken, 0L, FILE_NORMAL, nOpenAction,
+ nReadWriteBits | nShareBits | OPEN_FLAGS_NOINHERIT, 0L);
+
+ if( nRet == ERROR_TOO_MANY_OPEN_FILES )
+ {
+ long nToAdd = 10;
+ sal_uIntPtr nCurMaxFH;
+ nRet = DosSetRelMaxFH( &nToAdd, &nCurMaxFH );
+ nRet = DosOpen( aFileNameA.GetBuffer(), &pInstanceData->hFile,
+ &nActionTaken, 0L, FILE_NORMAL, nOpenAction,
+ nReadWriteBits | nShareBits | OPEN_FLAGS_NOINHERIT, 0L);
+ }
+
+ // Bei Fehler pruefen, ob wir lesen duerfen
+ if( nRet==ERROR_ACCESS_DENIED || nRet==ERROR_SHARING_VIOLATION )
+ {
+ nReadWriteBits = OPEN_ACCESS_READONLY;
+ nRet = DosOpen( aFileNameA.GetBuffer(), &pInstanceData->hFile,
+ &nActionTaken, 0L, FILE_NORMAL, nOpenAction,
+ nReadWriteBits | nShareBits | OPEN_FLAGS_NOINHERIT, 0L);
+ }
+
+ if( nRet )
+ {
+ bIsOpen = sal_False;
+ SetError(::GetSvError(nRet) );
+ }
+ else
+ {
+ bIsOpen = sal_True;
+ pInstanceData->bIsEof = sal_False;
+ if( nReadWriteBits != OPEN_ACCESS_READONLY )
+ bIsWritable = sal_True;
+ }
+
+#if 0
+ if (bIsOpen && bIsLongOS2)
+ {
+ //file schließen, da sonst createLongName u.U. nicht möglich
+ Close();
+
+ // erzeugtem File langen Namen geben
+ DirEntry aDirEntry(rFilename);
+ createLongNameEA(aFileNameA.GetBuffer(), FILE_NORMAL, aDirEntry.GetName());
+
+ // und wieder oeffnen
+ ReOpen();
+ }
+#endif
+
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::ReOpen()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+void SvFileStream::ReOpen()
+{
+ if( !bIsOpen && aFilename.Len() )
+ Open( aFilename, eStreamMode );
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::Close()
+|*
+|* Beschreibung STREAM.SDW
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+void SvFileStream::Close()
+{
+ if( IsOpen() )
+ {
+#ifdef DBG_UTIL
+ ByteString aTraceStr( "SvFileStream::Close(): " );
+ aTraceStr += ByteString(aFilename, osl_getThreadTextEncoding());
+ DBG_TRACE( aTraceStr.GetBuffer() );
+#endif
+
+ if( nLockCounter )
+ {
+ nLockCounter = 1;
+ UnlockFile();
+ }
+ Flush();
+ DosClose( pInstanceData->hFile );
+ }
+
+ bIsOpen = sal_False;
+ nLockCounter= 0;
+ bIsWritable = sal_False;
+ pInstanceData->bIsEof = sal_True;
+ SvStream::ClearBuffer();
+ SvStream::ClearError();
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::ResetError()
+|*
+|* Beschreibung STREAM.SDW; Setzt Filepointer auf Dateianfang
+|* Ersterstellung OV 15.06.94
+|* Letzte Aenderung OV 15.06.94
+|*
+*************************************************************************/
+
+void SvFileStream::ResetError()
+{
+ SvStream::ClearError();
+}
+
+/*************************************************************************
+|*
+|* SvFileStream::SetSize()
+|*
+|* Beschreibung
+|* Ersterstellung OV 19.10.95
+|* Letzte Aenderung OV 19.10.95
+|*
+*************************************************************************/
+
+void SvFileStream::SetSize( sal_uIntPtr nSize )
+{
+ if( IsOpen() )
+ {
+ APIRET nRet = DosSetFileSize( pInstanceData->hFile, nSize );
+ if( nRet )
+ SetError( ::GetSvError( nRet ) );
+ }
+}
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