diff options
author | Ivo Hinkelmann <ihi@openoffice.org> | 2009-11-20 14:02:34 +0000 |
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committer | Ivo Hinkelmann <ihi@openoffice.org> | 2009-11-20 14:02:34 +0000 |
commit | bd0b8ce42a54f117d90031dd01150396d2776658 (patch) | |
tree | 5c0f0e9e1bb1a1fd5dbb14ef0493d5d4f252c76c /oox/source/ole/axbinaryreader.cxx | |
parent | 81087627f30494064a791bffd61ec99b5b289b4f (diff) |
CWS-TOOLING: integrate CWS calc32stopper5
2009-11-12 13:18:26 +0100 dr r277477 : #i105267# missing in exception files list
2009-11-12 11:13:57 +0100 dr r277472 : CWS-TOOLING: rebase CWS calc32stopper5 to branches/OOO320@277373 (milestone: OOO320:m4)
2009-11-11 17:27:10 +0100 dr r277466 : #i105267# remember all existing copies of ScAccessibeEditLineTextData in the ScTextWnd instance (text input line)
2009-11-04 09:59:49 +0100 dr r277334 : dump even more BIFF records written by XL12
2009-10-27 19:11:37 +0100 dr r277231 : few dumper additions
2009-10-27 17:17:10 +0100 nn r277225 : #i106343# check if pDocShell is set in GetFormatter
2009-10-26 14:54:15 +0100 dr r277178 : #i106194# OOXML: load form controls from binary streams
2009-10-26 14:14:01 +0100 dr r277177 : #i106194# OOXML: load form controls from binary streams
Diffstat (limited to 'oox/source/ole/axbinaryreader.cxx')
-rwxr-xr-x | oox/source/ole/axbinaryreader.cxx | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/oox/source/ole/axbinaryreader.cxx b/oox/source/ole/axbinaryreader.cxx new file mode 100755 index 000000000000..b0512b276ac4 --- /dev/null +++ b/oox/source/ole/axbinaryreader.cxx @@ -0,0 +1,216 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2008 by Sun Microsystems, Inc. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * $RCSfile: axbinaryreader.cxx,v $ + * $Revision: 1.1 $ + * + * 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 "oox/ole/axbinaryreader.hxx" +#include "oox/ole/olehelper.hxx" + +using ::rtl::OUString; + +namespace oox { +namespace ole { + +// ============================================================================ + +namespace { + +const sal_uInt32 AX_STRING_SIZEMASK = 0x7FFFFFFF; +const sal_uInt32 AX_STRING_COMPRESSED = 0x80000000; + +} // namespace + +// ============================================================================ + +AxAlignedInputStream::AxAlignedInputStream( BinaryInputStream& rInStrm ) : + mrInStrm( rInStrm ), + mnStrmPos( 0 ) +{ +} + +sal_Int64 AxAlignedInputStream::tell() const +{ + return mnStrmPos; +} + +void AxAlignedInputStream::seek( sal_Int64 nPos ) +{ + mbEof = mbEof || (nPos < mnStrmPos); + if( !mbEof ) + skip( static_cast< sal_Int32 >( nPos - mnStrmPos ) ); +} + +sal_Int32 AxAlignedInputStream::readData( StreamDataSequence& orData, sal_Int32 nBytes ) +{ + sal_Int32 nReadSize = mrInStrm.readData( orData, nBytes ); + mnStrmPos += nReadSize; + return nReadSize; +} + +sal_Int32 AxAlignedInputStream::readMemory( void* opMem, sal_Int32 nBytes ) +{ + sal_Int32 nReadSize = mrInStrm.readMemory( opMem, nBytes ); + mnStrmPos += nReadSize; + return nReadSize; +} + +void AxAlignedInputStream::skip( sal_Int32 nBytes ) +{ + mrInStrm.skip( nBytes ); + mnStrmPos += nBytes; +} + +void AxAlignedInputStream::align( size_t nSize ) +{ + skip( static_cast< sal_Int32 >( (nSize - (mnStrmPos % nSize)) % nSize ) ); +} + +// ============================================================================ + +AxBinaryPropertyReader::ComplexProperty::~ComplexProperty() +{ +} + +bool AxBinaryPropertyReader::PairProperty::readProperty( AxAlignedInputStream& rInStrm ) +{ + rInStrm >> mrnValue1 >> mrnValue2; + return true; +} + +bool AxBinaryPropertyReader::StringProperty::readProperty( AxAlignedInputStream& rInStrm ) +{ + bool bCompressed = getFlag( mnSize, AX_STRING_COMPRESSED ); + sal_uInt32 nBufSize = mnSize & AX_STRING_SIZEMASK; + sal_Int64 nEndPos = rInStrm.tell() + nBufSize; + sal_Int32 nChars = static_cast< sal_Int32 >( nBufSize / (bCompressed ? 1 : 2) ); + bool bValidChars = nChars <= 65536; + OSL_ENSURE( bValidChars, "StringProperty::readProperty - string too long" ); + nChars = ::std::min< sal_Int32 >( nChars, 65536 ); + mrValue = bCompressed ? + // ISO-8859-1 maps all byte values xx to the same Unicode code point U+00xx + rInStrm.readCharArrayUC( nChars, RTL_TEXTENCODING_ISO_8859_1 ) : + rInStrm.readUnicodeArray( nChars ); + rInStrm.seek( nEndPos ); + return bValidChars; +} + +bool AxBinaryPropertyReader::PictureProperty::readProperty( AxAlignedInputStream& rInStrm ) +{ + return OleHelper::importStdPic( mrPicData, rInStrm, true ); +} + +// ---------------------------------------------------------------------------- + +AxBinaryPropertyReader::AxBinaryPropertyReader( BinaryInputStream& rInStrm, bool b64BitPropFlags ) : + maInStrm( rInStrm ), + mbValid( true ) +{ + // version and size of property block + maInStrm.skip( 2 ); + sal_uInt16 nBlockSize = maInStrm.readValue< sal_uInt16 >(); + mnPropsEnd = maInStrm.tell() + nBlockSize; + // flagfield containing existing properties + if( b64BitPropFlags ) + maInStrm >> mnPropFlags; + else + mnPropFlags = maInStrm.readuInt32(); + mnNextProp = 1; +} + +void AxBinaryPropertyReader::readBoolProperty( bool& orbValue, bool bReverse ) +{ + // there is no data, the boolean value is equivalent to the property flag itself + orbValue = startNextProperty() != bReverse; +} + +void AxBinaryPropertyReader::readPairProperty( sal_Int32& ornValue1, sal_Int32& ornValue2 ) +{ + if( startNextProperty() ) + maLargeProps.push_back( ComplexPropVector::value_type( new PairProperty( ornValue1, ornValue2 ) ) ); +} + +void AxBinaryPropertyReader::readStringProperty( OUString& orValue ) +{ + if( startNextProperty() ) + { + sal_uInt32 nSize = maInStrm.readAligned< sal_uInt32 >(); + maLargeProps.push_back( ComplexPropVector::value_type( new StringProperty( orValue, nSize ) ) ); + } +} + +void AxBinaryPropertyReader::readPictureProperty( StreamDataSequence& orPicData ) +{ + if( startNextProperty() ) + { + sal_Int16 nData = maInStrm.readAligned< sal_Int16 >(); + if( ensureValid( nData == -1 ) ) + maStreamProps.push_back( ComplexPropVector::value_type( new PictureProperty( orPicData ) ) ); + } +} + +bool AxBinaryPropertyReader::finalizeImport() +{ + // read large properties + maInStrm.align( 4 ); + if( ensureValid( mnPropFlags == 0 ) && !maLargeProps.empty() ) + { + for( ComplexPropVector::iterator aIt = maLargeProps.begin(), aEnd = maLargeProps.end(); ensureValid() && (aIt != aEnd); ++aIt ) + { + ensureValid( (*aIt)->readProperty( maInStrm ) ); + maInStrm.align( 4 ); + } + } + maInStrm.seek( mnPropsEnd ); + + // read stream properties (no stream alignment between properties!) + if( ensureValid() && !maStreamProps.empty() ) + for( ComplexPropVector::iterator aIt = maStreamProps.begin(), aEnd = maStreamProps.end(); ensureValid() && (aIt != aEnd); ++aIt ) + ensureValid( (*aIt)->readProperty( maInStrm ) ); + + return mbValid; +} + +bool AxBinaryPropertyReader::ensureValid( bool bCondition ) +{ + mbValid = mbValid && bCondition && !maInStrm.isEof(); + return mbValid; +} + +bool AxBinaryPropertyReader::startNextProperty() +{ + bool bHasProp = getFlag( mnPropFlags, mnNextProp ); + setFlag( mnPropFlags, mnNextProp, false ); + mnNextProp <<= 1; + return ensureValid() && bHasProp; +} + +// ============================================================================ + +} // namespace ole +} // namespace oox + |