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INTEGRATION: CWS sb88 (1.6.10); FILE MERGED

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2008/06/03 15:29:51 sb 1.6.10.1: #i89553 applied patch by cmc
This commit is contained in:
Rüdiger Timm
2008-06-16 12:52:20 +00:00
parent 7c261c667b
commit 4c9ee99200
1 changed files with 1 additions and 126 deletions
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127
configmgr/source/misc/bufferedfile.cxx
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@@ -7,7 +7,7 @@
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: bufferedfile.cxx,v $
* $Revision: 1.6 $
* $Revision: 1.7 $
*
* This file is part of OpenOffice.org.
*
@@ -42,131 +42,6 @@
namespace configmgr
{
BufferedInputFile::BufferedInputFile( rtl::OUString const& aFileURL)
: m_aFileURL(aFileURL)
, m_pBuffer(0)
, m_nPointer(0)
, m_nSize(0)
{
}
/** D'tor
*/
BufferedInputFile::~BufferedInputFile()
{
delete [] m_pBuffer;
}
BufferedInputFile::RC BufferedInputFile::open( sal_uInt32 uFlags )
{
OSL_ENSURE(!m_pBuffer,"File already open");
osl::File theFile(m_aFileURL);
RC rc = theFile.open(uFlags);
if (rc != E_None)
return rc;
sal_uInt64 theSize;
rc = theFile.getSize(theSize);
if (rc != E_None)
return rc;
// still prevent leaks in case of misuse
delete [] m_pBuffer, m_pBuffer = 0;
m_pBuffer = new sal_Int8[sal::static_int_cast<sal_Int32>(theSize)];
sal_uInt64 nReallyRead = 0;
rc = theFile.read(m_pBuffer, theSize, nReallyRead);
if (rc != E_None)
{
delete [] m_pBuffer, m_pBuffer = 0;
return rc;
}
OSL_ENSURE(nReallyRead == m_nSize, "Error, read file can't get it's complete file data");
m_nSize = nReallyRead;
m_nPointer = 0;
return E_None;
}
BufferedInputFile::RC BufferedInputFile::close()
{
if (m_pBuffer == 0)
return E_BADF;
delete [] m_pBuffer, m_pBuffer = 0;
m_nSize = 0;
return E_None;
}
BufferedInputFile::RC BufferedInputFile::setPos( sal_uInt32 uHow, sal_uInt64 uPos )
{
if (m_pBuffer == 0)
return E_BADF;
switch (uHow)
{
case osl_Pos_Absolut:
m_nPointer = uPos;
break;
case osl_Pos_Current:
m_nPointer += uPos;
break;
case osl_Pos_End:
m_nPointer = m_nSize + uPos;
break;
default:
return E_INVAL;
}
return E_None;
}
BufferedInputFile::RC BufferedInputFile::getPos( sal_uInt64& uPos )
{
if (m_pBuffer == 0)
return E_BADF;
uPos = m_nPointer;
return E_None;
}
BufferedInputFile::RC BufferedInputFile::available( sal_uInt64& nAvail) const
{
if (m_pBuffer == 0)
return E_BADF;
if (m_nPointer < m_nSize)
nAvail = m_nSize-m_nPointer;
else
nAvail = 0;
return E_None;
}
BufferedInputFile::RC BufferedInputFile::read( void *pBuffer, sal_uInt64 uBytesRequested, sal_uInt64& rBytesRead )
{
if (m_pBuffer == 0)
return E_BADF;
if (m_nPointer < m_nSize)
{
// requested size may be greater than the real file size
rBytesRead = std::min(m_nSize - m_nPointer, uBytesRequested);
memcpy(pBuffer, m_pBuffer + m_nPointer, sal::static_int_cast<sal_Int32>(rBytesRead));
m_nPointer += rBytesRead;
}
else
{
// EOF
rBytesRead = 0;
}
return E_None;
}
BufferedOutputFile::BufferedOutputFile( rtl::OUString const& aFileURL, sal_uInt32 nBufferSizeHint )
: m_pFile(new osl::File(aFileURL))
, m_buffer()