office-gobmx/basic/source/runtime/iosys.cxx
2011-11-28 09:55:03 +00:00

950 lines
25 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* 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 <vcl/dialog.hxx>
#include <vcl/edit.hxx>
#include <vcl/button.hxx>
#include <vcl/msgbox.hxx>
#include <vcl/svapp.hxx>
#include <osl/security.h>
#include <osl/file.hxx>
#include <tools/urlobj.hxx>
#include <osl/mutex.hxx>
#include "runtime.hxx"
#include <sal/alloca.h>
#include <ctype.h>
#include <rtl/byteseq.hxx>
#include <rtl/textenc.h>
#include <rtl/strbuf.hxx>
#include <rtl/ustrbuf.hxx>
#include <rtl/textenc.h>
#include <rtl/ustrbuf.hxx>
#include <comphelper/processfactory.hxx>
#include <comphelper/string.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/ucb/XSimpleFileAccess.hpp>
#include <com/sun/star/ucb/XContentProvider.hpp>
#include <com/sun/star/ucb/XContentProviderManager.hpp>
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
#include <com/sun/star/io/XStream.hpp>
#include <com/sun/star/io/XSeekable.hpp>
#include <com/sun/star/bridge/XBridge.hpp>
#include <com/sun/star/bridge/XBridgeFactory.hpp>
using namespace comphelper;
using namespace com::sun::star::uno;
using namespace com::sun::star::lang;
using namespace com::sun::star::ucb;
using namespace com::sun::star::io;
using namespace com::sun::star::bridge;
#include "iosys.hxx"
#include "sbintern.hxx"
class SbiInputDialog : public ModalDialog {
Edit aInput;
OKButton aOk;
CancelButton aCancel;
String aText;
DECL_LINK( Ok, Window * );
DECL_LINK( Cancel, Window * );
public:
SbiInputDialog( Window*, const String& );
const String& GetInput() { return aText; }
};
SbiInputDialog::SbiInputDialog( Window* pParent, const String& rPrompt )
:ModalDialog( pParent, WB_3DLOOK | WB_MOVEABLE | WB_CLOSEABLE ),
aInput( this, WB_3DLOOK | WB_LEFT | WB_BORDER ),
aOk( this ), aCancel( this )
{
SetText( rPrompt );
aOk.SetClickHdl( LINK( this, SbiInputDialog, Ok ) );
aCancel.SetClickHdl( LINK( this, SbiInputDialog, Cancel ) );
SetMapMode( MapMode( MAP_APPFONT ) );
Point aPt = LogicToPixel( Point( 50, 50 ) );
Size aSz = LogicToPixel( Size( 145, 65 ) );
SetPosSizePixel( aPt, aSz );
aPt = LogicToPixel( Point( 10, 10 ) );
aSz = LogicToPixel( Size( 120, 12 ) );
aInput.SetPosSizePixel( aPt, aSz );
aPt = LogicToPixel( Point( 15, 30 ) );
aSz = LogicToPixel( Size( 45, 15) );
aOk.SetPosSizePixel( aPt, aSz );
aPt = LogicToPixel( Point( 80, 30 ) );
aSz = LogicToPixel( Size( 45, 15) );
aCancel.SetPosSizePixel( aPt, aSz );
aInput.Show();
aOk.Show();
aCancel.Show();
}
IMPL_LINK_INLINE_START( SbiInputDialog, Ok, Window *, pWindow )
{
(void)pWindow;
aText = aInput.GetText();
EndDialog( 1 );
return 0;
}
IMPL_LINK_INLINE_END( SbiInputDialog, Ok, Window *, pWindow )
IMPL_LINK_INLINE_START( SbiInputDialog, Cancel, Window *, pWindow )
{
(void)pWindow;
EndDialog( 0 );
return 0;
}
IMPL_LINK_INLINE_END( SbiInputDialog, Cancel, Window *, pWindow )
SbiStream::SbiStream()
: pStrm( 0 )
{
}
SbiStream::~SbiStream()
{
delete pStrm;
}
// map an SvStream-error to StarBASIC-code
void SbiStream::MapError()
{
if( pStrm )
switch( pStrm->GetError() )
{
case SVSTREAM_OK:
nError = 0; break;
case SVSTREAM_FILE_NOT_FOUND:
nError = SbERR_FILE_NOT_FOUND; break;
case SVSTREAM_PATH_NOT_FOUND:
nError = SbERR_PATH_NOT_FOUND; break;
case SVSTREAM_TOO_MANY_OPEN_FILES:
nError = SbERR_TOO_MANY_FILES; break;
case SVSTREAM_ACCESS_DENIED:
nError = SbERR_ACCESS_DENIED; break;
case SVSTREAM_INVALID_PARAMETER:
nError = SbERR_BAD_ARGUMENT; break;
case SVSTREAM_OUTOFMEMORY:
nError = SbERR_NO_MEMORY; break;
default:
nError = SbERR_IO_ERROR; break;
}
}
// TODO: Code is copied from daemons2/source/uno/asciiEncoder.cxx
::rtl::OUString findUserInDescription( const ::rtl::OUString& aDescription )
{
::rtl::OUString user;
sal_Int32 index;
sal_Int32 lastIndex = 0;
do
{
index = aDescription.indexOf((sal_Unicode) ',', lastIndex);
::rtl::OUString token = (index == -1) ? aDescription.copy(lastIndex) : aDescription.copy(lastIndex, index - lastIndex);
lastIndex = index + 1;
sal_Int32 eindex = token.indexOf((sal_Unicode)'=');
::rtl::OUString left = token.copy(0, eindex).toAsciiLowerCase().trim();
::rtl::OUString right = INetURLObject::decode( token.copy(eindex + 1).trim(), '%',
INetURLObject::DECODE_WITH_CHARSET );
if(left.equals(::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("user"))))
{
user = right;
break;
}
}
while(index != -1);
return user;
}
sal_Bool needSecurityRestrictions( void )
{
static sal_Bool bNeedInit = sal_True;
static sal_Bool bRetVal = sal_True;
if( bNeedInit )
{
bNeedInit = sal_False;
// Get system user to compare to portal user
oslSecurity aSecurity = osl_getCurrentSecurity();
::rtl::OUString aSystemUser;
sal_Bool bRet = osl_getUserName( aSecurity, &aSystemUser.pData );
if( !bRet )
{
// No valid security! -> Secure mode!
return sal_True;
}
Reference< XMultiServiceFactory > xSMgr = getProcessServiceFactory();
if( !xSMgr.is() )
return sal_True;
Reference< XBridgeFactory > xBridgeFac( xSMgr->createInstance
( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.bridge.BridgeFactory" )) ), UNO_QUERY );
Sequence< Reference< XBridge > > aBridgeSeq;
sal_Int32 nBridgeCount = 0;
if( xBridgeFac.is() )
{
aBridgeSeq = xBridgeFac->getExistingBridges();
nBridgeCount = aBridgeSeq.getLength();
}
if( nBridgeCount == 0 )
{
// No bridges -> local
bRetVal = sal_False;
return bRetVal;
}
// Iterate through all bridges to find (portal) user property
const Reference< XBridge >* pBridges = aBridgeSeq.getConstArray();
bRetVal = sal_False; // Now only sal_True if user different from portal user is found
sal_Int32 i;
for( i = 0 ; i < nBridgeCount ; i++ )
{
const Reference< XBridge >& rxBridge = pBridges[ i ];
::rtl::OUString aDescription = rxBridge->getDescription();
::rtl::OUString aPortalUser = findUserInDescription( aDescription );
if( aPortalUser.getLength() > 0 )
{
// User Found, compare to system user
if( aPortalUser == aSystemUser )
{
// Same user -> system security is ok, bRetVal stays FALSE
break;
}
else
{
// Different user -> Secure mode!
bRetVal = sal_True;
break;
}
}
}
// No user found or PortalUser != SystemUser -> Secure mode! (Keep default value)
}
return bRetVal;
}
// Returns sal_True if UNO is available, otherwise the old file
// system implementation has to be used
// #89378 New semantic: Don't just ask for UNO but for UCB
sal_Bool hasUno( void )
{
static sal_Bool bNeedInit = sal_True;
static sal_Bool bRetVal = sal_True;
if( bNeedInit )
{
bNeedInit = sal_False;
Reference< XMultiServiceFactory > xSMgr = getProcessServiceFactory();
if( !xSMgr.is() )
{
// No service manager at all
bRetVal = sal_False;
}
else
{
Reference< XContentProviderManager > xManager( xSMgr->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM
( "com.sun.star.ucb.UniversalContentBroker" )) ), UNO_QUERY );
if ( !( xManager.is() && xManager->queryContentProvider( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "file:///" )) ).is() ) )
{
// No UCB
bRetVal = sal_False;
}
}
}
return bRetVal;
}
class OslStream : public SvStream
{
osl::File maFile;
short mnStrmMode;
public:
OslStream( const String& rName, short nStrmMode );
~OslStream();
virtual sal_uIntPtr GetData( void* pData, sal_uIntPtr nSize );
virtual sal_uIntPtr PutData( const void* pData, sal_uIntPtr nSize );
virtual sal_uIntPtr SeekPos( sal_uIntPtr nPos );
virtual void FlushData();
virtual void SetSize( sal_uIntPtr nSize );
};
OslStream::OslStream( const String& rName, short nStrmMode )
: maFile( rName )
, mnStrmMode( nStrmMode )
{
sal_uInt32 nFlags;
if( (nStrmMode & (STREAM_READ | STREAM_WRITE)) == (STREAM_READ | STREAM_WRITE) )
{
nFlags = osl_File_OpenFlag_Read | osl_File_OpenFlag_Write;
}
else if( nStrmMode & STREAM_WRITE )
{
nFlags = osl_File_OpenFlag_Write;
}
else //if( nStrmMode & STREAM_READ )
{
nFlags = osl_File_OpenFlag_Read;
}
osl::FileBase::RC nRet = maFile.open( nFlags );
if( nRet == osl::FileBase::E_NOENT && nFlags != osl_File_OpenFlag_Read )
{
nFlags |= osl_File_OpenFlag_Create;
nRet = maFile.open( nFlags );
}
if( nRet != osl::FileBase::E_None )
{
SetError( ERRCODE_IO_GENERAL );
}
}
OslStream::~OslStream()
{
maFile.close();
}
sal_uIntPtr OslStream::GetData( void* pData, sal_uIntPtr nSize )
{
sal_uInt64 nBytesRead = nSize;
maFile.read( pData, nBytesRead, nBytesRead );
return (sal_uIntPtr)nBytesRead;
}
sal_uIntPtr OslStream::PutData( const void* pData, sal_uIntPtr nSize )
{
sal_uInt64 nBytesWritten;
maFile.write( pData, (sal_uInt64)nSize, nBytesWritten );
return (sal_uIntPtr)nBytesWritten;
}
sal_uIntPtr OslStream::SeekPos( sal_uIntPtr nPos )
{
::osl::FileBase::RC rc = ::osl::FileBase::E_None;
if( nPos == STREAM_SEEK_TO_END )
rc = maFile.setPos( osl_Pos_End, 0 );
else
rc = maFile.setPos( osl_Pos_Absolut, (sal_uInt64)nPos );
OSL_VERIFY(rc == ::osl::FileBase::E_None);
sal_uInt64 nRealPos(0);
maFile.getPos( nRealPos );
return sal::static_int_cast<sal_uIntPtr>(nRealPos);
}
void OslStream::FlushData()
{
}
void OslStream::SetSize( sal_uIntPtr nSize )
{
maFile.setSize( (sal_uInt64)nSize );
}
class UCBStream : public SvStream
{
Reference< XInputStream > xIS;
Reference< XOutputStream > xOS;
Reference< XStream > xS;
Reference< XSeekable > xSeek;
public:
UCBStream( Reference< XInputStream > & xIS );
UCBStream( Reference< XOutputStream > & xOS );
UCBStream( Reference< XStream > & xS );
~UCBStream();
virtual sal_uIntPtr GetData( void* pData, sal_uIntPtr nSize );
virtual sal_uIntPtr PutData( const void* pData, sal_uIntPtr nSize );
virtual sal_uIntPtr SeekPos( sal_uIntPtr nPos );
virtual void FlushData();
virtual void SetSize( sal_uIntPtr nSize );
};
UCBStream::UCBStream( Reference< XInputStream > & rStm )
: xIS( rStm )
, xSeek( rStm, UNO_QUERY )
{
}
UCBStream::UCBStream( Reference< XOutputStream > & rStm )
: xOS( rStm )
, xSeek( rStm, UNO_QUERY )
{
}
UCBStream::UCBStream( Reference< XStream > & rStm )
: xS( rStm )
, xSeek( rStm, UNO_QUERY )
{
}
UCBStream::~UCBStream()
{
try
{
if( xIS.is() )
xIS->closeInput();
else if( xOS.is() )
xOS->closeOutput();
else if( xS.is() )
{
Reference< XInputStream > xIS_ = xS->getInputStream();
if( xIS_.is() )
xIS_->closeInput();
}
}
catch(const Exception & )
{
SetError( ERRCODE_IO_GENERAL );
}
}
sal_uIntPtr UCBStream::GetData( void* pData, sal_uIntPtr nSize )
{
try
{
Reference< XInputStream > xISFromS;
if( xIS.is() )
{
Sequence<sal_Int8> aData;
nSize = xIS->readBytes( aData, nSize );
rtl_copyMemory( pData, aData.getConstArray(), nSize );
return nSize;
}
else if( xS.is() && (xISFromS = xS->getInputStream()).is() )
{
Sequence<sal_Int8> aData;
nSize = xISFromS->readBytes( aData, nSize );
rtl_copyMemory( pData, aData.getConstArray(), nSize );
return nSize;
}
else
SetError( ERRCODE_IO_GENERAL );
}
catch(const Exception & )
{
SetError( ERRCODE_IO_GENERAL );
}
return 0;
}
sal_uIntPtr UCBStream::PutData( const void* pData, sal_uIntPtr nSize )
{
try
{
Reference< XOutputStream > xOSFromS;
if( xOS.is() )
{
Sequence<sal_Int8> aData( (const sal_Int8 *)pData, nSize );
xOS->writeBytes( aData );
return nSize;
}
else if( xS.is() && (xOSFromS = xS->getOutputStream()).is() )
{
Sequence<sal_Int8> aData( (const sal_Int8 *)pData, nSize );
xOSFromS->writeBytes( aData );
return nSize;
}
else
SetError( ERRCODE_IO_GENERAL );
}
catch(const Exception & )
{
SetError( ERRCODE_IO_GENERAL );
}
return 0;
}
sal_uIntPtr UCBStream::SeekPos( sal_uIntPtr nPos )
{
try
{
if( xSeek.is() )
{
sal_uIntPtr nLen = sal::static_int_cast<sal_uIntPtr>( xSeek->getLength() );
if( nPos > nLen )
nPos = nLen;
xSeek->seek( nPos );
return nPos;
}
else
SetError( ERRCODE_IO_GENERAL );
}
catch(const Exception & )
{
SetError( ERRCODE_IO_GENERAL );
}
return 0;
}
void UCBStream::FlushData()
{
try
{
Reference< XOutputStream > xOSFromS;
if( xOS.is() )
xOS->flush();
else if( xS.is() && (xOSFromS = xS->getOutputStream()).is() )
xOSFromS->flush();
else
SetError( ERRCODE_IO_GENERAL );
}
catch(const Exception & )
{
SetError( ERRCODE_IO_GENERAL );
}
}
void UCBStream::SetSize( sal_uIntPtr nSize )
{
(void)nSize;
OSL_FAIL( "not allowed to call from basic" );
SetError( ERRCODE_IO_GENERAL );
}
SbError SbiStream::Open
( short nCh, const ByteString& rName, short nStrmMode, short nFlags, short nL )
{
nMode = nFlags;
nLen = nL;
nChan = nCh;
nLine = 0;
nExpandOnWriteTo = 0;
if( ( nStrmMode & ( STREAM_READ|STREAM_WRITE ) ) == STREAM_READ )
nStrmMode |= STREAM_NOCREATE;
String aStr( rName, osl_getThreadTextEncoding() );
String aNameStr = getFullPath( aStr );
if( hasUno() )
{
Reference< XMultiServiceFactory > xSMgr = getProcessServiceFactory();
if( xSMgr.is() )
{
Reference< XSimpleFileAccess >
xSFI( xSMgr->createInstance( ::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM( "com.sun.star.ucb.SimpleFileAccess" )) ), UNO_QUERY );
if( xSFI.is() )
{
try
{
// #??? For write access delete file if it already exists (not for appending)
if( (nStrmMode & STREAM_WRITE) != 0 && !IsAppend() && !IsBinary() &&
xSFI->exists( aNameStr ) && !xSFI->isFolder( aNameStr ) )
{
xSFI->kill( aNameStr );
}
if( (nStrmMode & (STREAM_READ | STREAM_WRITE)) == (STREAM_READ | STREAM_WRITE) )
{
Reference< XStream > xIS = xSFI->openFileReadWrite( aNameStr );
pStrm = new UCBStream( xIS );
}
else if( nStrmMode & STREAM_WRITE )
{
Reference< XStream > xIS = xSFI->openFileReadWrite( aNameStr );
pStrm = new UCBStream( xIS );
}
else //if( nStrmMode & STREAM_READ )
{
Reference< XInputStream > xIS = xSFI->openFileRead( aNameStr );
pStrm = new UCBStream( xIS );
}
}
catch(const Exception & )
{
nError = ERRCODE_IO_GENERAL;
}
}
}
}
if( !pStrm )
{
pStrm = new OslStream( aNameStr, nStrmMode );
}
if( IsAppend() )
pStrm->Seek( STREAM_SEEK_TO_END );
MapError();
if( nError )
delete pStrm, pStrm = NULL;
return nError;
}
SbError SbiStream::Close()
{
if( pStrm )
{
MapError();
delete pStrm;
pStrm = NULL;
}
nChan = 0;
return nError;
}
SbError SbiStream::Read( ByteString& rBuf, sal_uInt16 n, bool bForceReadingPerByte )
{
nExpandOnWriteTo = 0;
if( !bForceReadingPerByte && IsText() )
{
pStrm->ReadLine( rBuf );
nLine++;
}
else
{
if( !n )
n = nLen;
if( !n )
return nError = SbERR_BAD_RECORD_LENGTH;
rtl::OStringBuffer aBuffer(read_uInt8s_AsOString(*pStrm, n));
//Pad it out with ' ' to the requested length on short read
sal_Int32 nRequested = sal::static_int_cast<sal_Int32>(n);
comphelper::string::padToLength(aBuffer, nRequested, ' ');
rBuf = aBuffer.makeStringAndClear();
}
MapError();
if( !nError && pStrm->IsEof() )
nError = SbERR_READ_PAST_EOF;
return nError;
}
SbError SbiStream::Read( char& ch )
{
nExpandOnWriteTo = 0;
if( !aLine.Len() )
{
Read( aLine, 0 );
aLine += '\n';
}
ch = aLine.GetBuffer()[0];
aLine.Erase( 0, 1 );
return nError;
}
void SbiStream::ExpandFile()
{
if ( nExpandOnWriteTo )
{
sal_uIntPtr nCur = pStrm->Seek(STREAM_SEEK_TO_END);
if( nCur < nExpandOnWriteTo )
{
sal_uIntPtr nDiff = nExpandOnWriteTo - nCur;
char c = 0;
while( nDiff-- )
*pStrm << c;
}
else
{
pStrm->Seek( nExpandOnWriteTo );
}
nExpandOnWriteTo = 0;
}
}
SbError SbiStream::Write( const ByteString& rBuf, sal_uInt16 n )
{
ExpandFile();
if( IsAppend() )
pStrm->Seek( STREAM_SEEK_TO_END );
if( IsText() )
{
aLine += rBuf;
// Get it out, if the end is an LF, but strip CRLF before,
// because the SvStrm adds a CRLF!
sal_uInt16 nLineLen = aLine.Len();
if( nLineLen && aLine.GetBuffer()[ --nLineLen ] == 0x0A )
{
aLine.Erase( nLineLen );
if( nLineLen && aLine.GetBuffer()[ --nLineLen ] == 0x0D )
aLine.Erase( nLineLen );
pStrm->WriteLines( aLine );
aLine.Erase();
}
}
else
{
if( !n ) n = nLen;
if( !n )
return nError = SbERR_BAD_RECORD_LENGTH;
pStrm->Write( rBuf.GetBuffer(), n );
MapError();
}
return nError;
}
SbiIoSystem* SbGetIoSystem()
{
SbiInstance* pInst = pINST;
return pInst ? pInst->GetIoSystem() : NULL;
}
SbiIoSystem::SbiIoSystem()
{
for( short i = 0; i < CHANNELS; i++ )
pChan[ i ] = NULL;
nChan = 0;
nError = 0;
}
SbiIoSystem::~SbiIoSystem()
{
Shutdown();
}
SbError SbiIoSystem::GetError()
{
SbError n = nError; nError = 0;
return n;
}
void SbiIoSystem::Open
( short nCh, const ByteString& rName, short nMode, short nFlags, short nLen )
{
nError = 0;
if( nCh >= CHANNELS || !nCh )
nError = SbERR_BAD_CHANNEL;
else if( pChan[ nCh ] )
nError = SbERR_FILE_ALREADY_OPEN;
else
{
pChan[ nCh ] = new SbiStream;
nError = pChan[ nCh ]->Open( nCh, rName, nMode, nFlags, nLen );
if( nError )
delete pChan[ nCh ], pChan[ nCh ] = NULL;
}
nChan = 0;
}
void SbiIoSystem::Close()
{
if( !nChan )
nError = SbERR_BAD_CHANNEL;
else if( !pChan[ nChan ] )
nError = SbERR_BAD_CHANNEL;
else
{
nError = pChan[ nChan ]->Close();
delete pChan[ nChan ];
pChan[ nChan ] = NULL;
}
nChan = 0;
}
void SbiIoSystem::Shutdown()
{
for( short i = 1; i < CHANNELS; i++ )
{
if( pChan[ i ] )
{
SbError n = pChan[ i ]->Close();
delete pChan[ i ];
pChan[ i ] = NULL;
if( n && !nError )
nError = n;
}
}
nChan = 0;
// anything left to PRINT?
if( aOut.Len() )
{
String aOutStr( aOut, osl_getThreadTextEncoding() );
#if defined GCC
Window* pParent = Application::GetDefDialogParent();
MessBox( pParent, WinBits( WB_OK ), String(), aOutStr ).Execute();
#else
MessBox( GetpApp()->GetDefDialogParent(), WinBits( WB_OK ), String(), aOutStr ).Execute();
#endif
}
aOut.Erase();
}
void SbiIoSystem::Read( ByteString& rBuf, short n )
{
if( !nChan )
ReadCon( rBuf );
else if( !pChan[ nChan ] )
nError = SbERR_BAD_CHANNEL;
else
nError = pChan[ nChan ]->Read( rBuf, n );
}
char SbiIoSystem::Read()
{
char ch = ' ';
if( !nChan )
{
if( !aIn.Len() )
{
ReadCon( aIn );
aIn += '\n';
}
ch = aIn.GetBuffer()[0];
aIn.Erase( 0, 1 );
}
else if( !pChan[ nChan ] )
nError = SbERR_BAD_CHANNEL;
else
nError = pChan[ nChan ]->Read( ch );
return ch;
}
void SbiIoSystem::Write( const ByteString& rBuf, short n )
{
if( !nChan )
WriteCon( rBuf );
else if( !pChan[ nChan ] )
nError = SbERR_BAD_CHANNEL;
else
nError = pChan[ nChan ]->Write( rBuf, n );
}
short SbiIoSystem::NextChannel()
{
for( short i = 1; i < CHANNELS; i++ )
{
if( !pChan[ i ] )
return i;
}
nError = SbERR_TOO_MANY_FILES;
return CHANNELS;
}
// nChannel == 0..CHANNELS-1
SbiStream* SbiIoSystem::GetStream( short nChannel ) const
{
SbiStream* pRet = 0;
if( nChannel >= 0 && nChannel < CHANNELS )
pRet = pChan[ nChannel ];
return pRet;
}
void SbiIoSystem::CloseAll(void)
{
for( short i = 1; i < CHANNELS; i++ )
{
if( pChan[ i ] )
{
SbError n = pChan[ i ]->Close();
delete pChan[ i ];
pChan[ i ] = NULL;
if( n && !nError )
nError = n;
}
}
}
/***************************************************************************
*
* Console Support
*
***************************************************************************/
void SbiIoSystem::ReadCon( ByteString& rIn )
{
String aPromptStr( aPrompt, osl_getThreadTextEncoding() );
SbiInputDialog aDlg( NULL, aPromptStr );
if( aDlg.Execute() )
rIn = rtl::OUStringToOString(aDlg.GetInput(), osl_getThreadTextEncoding());
else
nError = SbERR_USER_ABORT;
aPrompt.Erase();
}
// output of a MessageBox, if theres a CR in the console-buffer
void SbiIoSystem::WriteCon( const ByteString& rText )
{
aOut += rText;
sal_uInt16 n1 = aOut.Search( '\n' );
sal_uInt16 n2 = aOut.Search( '\r' );
if( n1 != STRING_NOTFOUND || n2 != STRING_NOTFOUND )
{
if( n1 == STRING_NOTFOUND ) n1 = n2;
else
if( n2 == STRING_NOTFOUND ) n2 = n1;
if( n1 > n2 ) n1 = n2;
ByteString s( aOut.Copy( 0, n1 ) );
aOut.Erase( 0, n1 );
while( aOut.GetBuffer()[0] == '\n' || aOut.GetBuffer()[0] == '\r' )
aOut.Erase( 0, 1 );
String aStr( s, osl_getThreadTextEncoding() );
{
SolarMutexGuard aSolarGuard;
if( !MessBox( GetpApp()->GetDefDialogParent(),
WinBits( WB_OK_CANCEL | WB_DEF_OK ),
String(), aStr ).Execute() )
nError = SbERR_USER_ABORT;
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */