diff options
Diffstat (limited to 'oox/source/ole/vbainputstream.cxx')
-rw-r--r-- | oox/source/ole/vbainputstream.cxx | 51 |
1 files changed, 36 insertions, 15 deletions
diff --git a/oox/source/ole/vbainputstream.cxx b/oox/source/ole/vbainputstream.cxx index e56e8b5fbc89..7e2c88dc480f 100644 --- a/oox/source/ole/vbainputstream.cxx +++ b/oox/source/ole/vbainputstream.cxx @@ -47,17 +47,38 @@ const sal_uInt16 VBACHUNK_LENMASK = 0x0FFF; // ============================================================================ VbaInputStream::VbaInputStream( BinaryInputStream& rInStrm ) : - mrInStrm( rInStrm ), + BinaryStreamBase( false ), + mpInStrm( &rInStrm ), mnChunkPos( 0 ) { maChunk.reserve( 4096 ); - sal_uInt8 nSig = mrInStrm.readuInt8(); + sal_uInt8 nSig = rInStrm.readuInt8(); OSL_ENSURE( nSig == VBASTREAM_SIGNATURE, "VbaInputStream::VbaInputStream - wrong signature" ); - mbEof = nSig != VBASTREAM_SIGNATURE; + mbEof = mbEof || rInStrm.isEof() || (nSig != VBASTREAM_SIGNATURE); } -sal_Int32 VbaInputStream::readData( StreamDataSequence& orData, sal_Int32 nBytes ) +sal_Int64 VbaInputStream::size() const +{ + return -1; +} + +sal_Int64 VbaInputStream::tell() const +{ + return -1; +} + +void VbaInputStream::seek( sal_Int64 ) +{ +} + +void VbaInputStream::close() +{ + mpInStrm = 0; + mbEof = true; +} + +sal_Int32 VbaInputStream::readData( StreamDataSequence& orData, sal_Int32 nBytes, size_t nAtomSize ) { sal_Int32 nRet = 0; if( !mbEof ) @@ -65,7 +86,7 @@ sal_Int32 VbaInputStream::readData( StreamDataSequence& orData, sal_Int32 nBytes orData.realloc( ::std::max< sal_Int32 >( nBytes, 0 ) ); if( nBytes > 0 ) { - nRet = readMemory( orData.getArray(), nBytes ); + nRet = readMemory( orData.getArray(), nBytes, nAtomSize ); if( nRet < nBytes ) orData.realloc( nRet ); } @@ -73,7 +94,7 @@ sal_Int32 VbaInputStream::readData( StreamDataSequence& orData, sal_Int32 nBytes return nRet; } -sal_Int32 VbaInputStream::readMemory( void* opMem, sal_Int32 nBytes ) +sal_Int32 VbaInputStream::readMemory( void* opMem, sal_Int32 nBytes, size_t /*nAtomSize*/ ) { sal_Int32 nRet = 0; sal_uInt8* opnMem = reinterpret_cast< sal_uInt8* >( opMem ); @@ -90,7 +111,7 @@ sal_Int32 VbaInputStream::readMemory( void* opMem, sal_Int32 nBytes ) return nRet; } -void VbaInputStream::skip( sal_Int32 nBytes ) +void VbaInputStream::skip( sal_Int32 nBytes, size_t /*nAtomSize*/ ) { while( (nBytes > 0) && updateChunk() ) { @@ -108,8 +129,8 @@ bool VbaInputStream::updateChunk() if( mbEof || (mnChunkPos < maChunk.size()) ) return !mbEof; // try to read next chunk header, this may trigger EOF - sal_uInt16 nHeader = mrInStrm.readuInt16(); - mbEof = mrInStrm.isEof(); + sal_uInt16 nHeader = mpInStrm->readuInt16(); + mbEof = mpInStrm->isEof(); if( mbEof ) return false; // check header signature @@ -126,15 +147,15 @@ bool VbaInputStream::updateChunk() maChunk.clear(); sal_uInt8 nBitCount = 4; sal_uInt16 nChunkPos = 0; - while( !mbEof && !mrInStrm.isEof() && (nChunkPos < nChunkLen) ) + while( !mbEof && !mpInStrm->isEof() && (nChunkPos < nChunkLen) ) { - sal_uInt8 nTokenFlags = mrInStrm.readuInt8(); + sal_uInt8 nTokenFlags = mpInStrm->readuInt8(); ++nChunkPos; - for( int nBit = 0; !mbEof && !mrInStrm.isEof() && (nBit < 8) && (nChunkPos < nChunkLen); ++nBit, nTokenFlags >>= 1 ) + for( int nBit = 0; !mbEof && !mpInStrm->isEof() && (nBit < 8) && (nChunkPos < nChunkLen); ++nBit, nTokenFlags >>= 1 ) { if( nTokenFlags & 1 ) { - sal_uInt16 nCopyToken = mrInStrm.readuInt16(); + sal_uInt16 nCopyToken = mpInStrm->readuInt16(); nChunkPos = nChunkPos + 2; // update bit count used for offset/length in the token while( static_cast< size_t >( 1 << nBitCount ) < maChunk.size() ) ++nBitCount; @@ -164,7 +185,7 @@ bool VbaInputStream::updateChunk() else { maChunk.resize( maChunk.size() + 1 ); - mrInStrm >> maChunk.back(); + *mpInStrm >> maChunk.back(); ++nChunkPos; } } @@ -173,7 +194,7 @@ bool VbaInputStream::updateChunk() else { maChunk.resize( nChunkLen ); - mrInStrm.readMemory( &maChunk.front(), nChunkLen ); + mpInStrm->readMemory( &maChunk.front(), nChunkLen ); } mnChunkPos = 0; |