LCOV - code coverage report
Current view: top level - usr/local/src/libreoffice/oox/source/ole - axbinarywriter.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 89 102 87.3 %
Date: 2013-07-09 Functions: 19 24 79.2 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  */
       9             : #include "oox/ole/axbinarywriter.hxx"
      10             : 
      11             : #include "oox/ole/olehelper.hxx"
      12             : 
      13             : namespace oox {
      14             : namespace ole {
      15             : 
      16             : // ============================================================================
      17             : 
      18             : namespace {
      19             : 
      20             : const sal_uInt32 AX_STRING_SIZEMASK         = 0x7FFFFFFF;
      21             : const sal_uInt32 AX_STRING_COMPRESSED       = 0x80000000;
      22             : 
      23             : } // namespace
      24             : 
      25             : // ============================================================================
      26             : 
      27           2 : AxAlignedOutputStream::AxAlignedOutputStream( BinaryOutputStream& rOutStrm ) :
      28             :     BinaryStreamBase( false ),
      29             :     mpOutStrm( &rOutStrm ),
      30             :     mnStrmPos( 0 ),
      31           2 :     mnStrmSize( rOutStrm.getRemaining() ),
      32           4 :     mnWrappedBeginPos( rOutStrm.tell() )
      33             : {
      34           2 :     mbEof = mbEof || rOutStrm.isEof();
      35           2 : }
      36             : 
      37           0 : sal_Int64 AxAlignedOutputStream::size() const
      38             : {
      39           0 :     return mpOutStrm ? mnStrmSize : -1;
      40             : }
      41             : 
      42           6 : sal_Int64 AxAlignedOutputStream::tell() const
      43             : {
      44           6 :     return mpOutStrm ? mnStrmPos : -1;
      45             : }
      46             : 
      47           4 : void AxAlignedOutputStream::seek( sal_Int64 nPos )
      48             : {
      49           4 :     mbEof = (nPos < 0);
      50           4 :     if( !mbEof )
      51             :     {
      52           4 :         mpOutStrm->seek( static_cast< sal_Int32 >( mnWrappedBeginPos + nPos  ) );
      53           4 :         mnStrmPos = mpOutStrm->tell() - mnWrappedBeginPos;
      54             :     }
      55           4 : }
      56             : 
      57           0 : void AxAlignedOutputStream::close()
      58             : {
      59           0 :     mpOutStrm = 0;
      60           0 :     mbEof = true;
      61           0 : }
      62             : 
      63           0 : void AxAlignedOutputStream::writeData( const StreamDataSequence& orData, size_t nAtomSize )
      64             : {
      65           0 :     mpOutStrm->writeData( orData, nAtomSize );
      66           0 :     mnStrmPos = mpOutStrm->tell() - mnWrappedBeginPos;
      67           0 : }
      68             : 
      69          26 : void AxAlignedOutputStream::writeMemory( const void* opMem, sal_Int32 nBytes, size_t nAtomSize )
      70             : {
      71          26 :     mpOutStrm->writeMemory( opMem, nBytes, nAtomSize );
      72          26 :     mnStrmPos = mpOutStrm->tell() - mnWrappedBeginPos;
      73          26 : }
      74             : 
      75          17 : void AxAlignedOutputStream::pad( sal_Int32 nBytes, size_t nAtomSize )
      76             : {
      77             :    //PRESUMABELY we need to pad with 0's here as appropriate
      78          17 :    com::sun::star::uno::Sequence< sal_Int8 > aData( nBytes );
      79             :    // ok we could be padding with rubbish here, but really that shouldn't matter
      80             :    // set to 0(s), easier to not get fooled by 0's when looking at
      81             :    // binary content......
      82          17 :    memset( static_cast<void*>( aData.getArray() ), 0, nBytes );
      83          17 :    mpOutStrm->writeData( aData, nAtomSize );
      84          17 :    mnStrmPos = mpOutStrm->tell() - mnWrappedBeginPos;
      85          17 : }
      86             : 
      87          17 : void AxAlignedOutputStream::align( size_t nSize )
      88             : {
      89          17 :     pad( static_cast< sal_Int32 >( (nSize - (mnStrmPos % nSize)) % nSize ) );
      90          17 : }
      91             : 
      92             : // ============================================================================
      93             : 
      94             : namespace {
      95             : 
      96           2 : void lclWriteString( AxAlignedOutputStream& rOutStrm, OUString& rValue, sal_uInt32 nSize, bool bArrayString )
      97             : {
      98           2 :     bool bCompressed = getFlag( nSize, AX_STRING_COMPRESSED );
      99           2 :     rOutStrm.writeCompressedUnicodeArray( rValue, bCompressed || bArrayString );
     100           2 : }
     101             : 
     102             : } // namespace
     103             : 
     104             : // ----------------------------------------------------------------------------
     105             : 
     106           3 : AxBinaryPropertyWriter::ComplexProperty::~ComplexProperty()
     107             : {
     108           3 : }
     109             : 
     110           1 : bool AxBinaryPropertyWriter::PairProperty::writeProperty( AxAlignedOutputStream& rOutStrm )
     111             : {
     112           1 :     rOutStrm << mrPairData.first << mrPairData.second;
     113           1 :     return true;
     114             : }
     115             : 
     116           2 : bool AxBinaryPropertyWriter::StringProperty::writeProperty( AxAlignedOutputStream& rOutStrm )
     117             : {
     118           2 :     lclWriteString( rOutStrm, mrValue, mnSize, false );
     119           2 :     return true;
     120             : }
     121             : 
     122             : // ----------------------------------------------------------------------------
     123             : 
     124           2 : AxBinaryPropertyWriter::AxBinaryPropertyWriter( BinaryOutputStream& rOutStrm, bool b64BitPropFlags ) :
     125             :     maOutStrm( rOutStrm ),
     126             :     mnPropFlags( 0x0 ),
     127             :     mbValid( true ),
     128           2 :     mb64BitPropFlags( b64BitPropFlags )
     129             : {
     130           2 :     sal_uInt16 nId( 0x0200 );
     131           2 :     maOutStrm << nId;
     132           2 :     mnBlockSize = 0; // will be filled in the finalize method
     133             : 
     134           2 :     maOutStrm << nId;
     135           2 :     mnPropFlagsStart = maOutStrm.tell();
     136             : 
     137           2 :     if( mb64BitPropFlags )
     138           1 :         maOutStrm << mnPropFlags;
     139             :     else
     140           1 :         maOutStrm << sal_uInt32( mnPropFlags );
     141           2 :     mnNextProp = 1;
     142           2 : }
     143             : 
     144           1 : void AxBinaryPropertyWriter::writeBoolProperty( bool orbValue, bool bReverse )
     145             : {
     146             :     // orbValue ^ bReverse true then we want to set the bit, e.g. don't skip
     147           1 :     startNextProperty(  !( ( orbValue ^ bReverse ) >= 1 ) );
     148           1 : }
     149             : 
     150           1 : void AxBinaryPropertyWriter::writePairProperty( AxPairData& orPairData )
     151             : {
     152           1 :     if( startNextProperty() )
     153           1 :         maLargeProps.push_back( ComplexPropVector::value_type( new PairProperty( orPairData ) ) );
     154           1 : }
     155             : 
     156           2 : void AxBinaryPropertyWriter::writeStringProperty( OUString& orValue, bool bCompressed )
     157             : {
     158           2 :     sal_uInt32 nSize = orValue.getLength();
     159           2 :     if ( bCompressed )
     160           2 :         setFlag(  nSize, AX_STRING_COMPRESSED );
     161             :     else
     162           0 :         nSize *= 2;
     163           2 :     maOutStrm.writeAligned< sal_uInt32 >( nSize );
     164           2 :     maLargeProps.push_back( ComplexPropVector::value_type( new StringProperty( orValue, nSize ) ) );
     165           2 :     startNextProperty();
     166           2 : }
     167             : 
     168           2 : bool AxBinaryPropertyWriter::finalizeExport()
     169             : {
     170             :     // write large properties
     171           2 :     maOutStrm.align( 4 );
     172           2 :     if( !maLargeProps.empty() )
     173             :     {
     174           5 :         for( ComplexPropVector::iterator aIt = maLargeProps.begin(), aEnd = maLargeProps.end(); ensureValid() && (aIt != aEnd); ++aIt )
     175             :         {
     176           3 :             (*aIt)->writeProperty( maOutStrm );
     177           3 :             maOutStrm.align( 4 );
     178             :         }
     179             :     }
     180             : 
     181           2 :     mnBlockSize = maOutStrm.tell() - mnPropFlagsStart;
     182             : 
     183             :     // write stream properties (no stream alignment between properties!)
     184           2 :     if( !maStreamProps.empty() )
     185           0 :         for( ComplexPropVector::iterator aIt = maStreamProps.begin(), aEnd = maStreamProps.end(); ensureValid() && (aIt != aEnd); ++aIt )
     186           0 :            (*aIt)->writeProperty( maOutStrm );
     187             : 
     188           2 :     sal_Int64 nPos = maOutStrm.tell();
     189           2 :     maOutStrm.seek( mnPropFlagsStart - sizeof( mnBlockSize ) );
     190             : 
     191           2 :     maOutStrm << mnBlockSize;
     192             : 
     193           2 :     if( mb64BitPropFlags )
     194           1 :         maOutStrm << mnPropFlags;
     195             :     else
     196           1 :         maOutStrm << sal_uInt32( mnPropFlags );
     197             : 
     198           2 :     maOutStrm.seek( nPos );
     199           2 :     return true;
     200             : }
     201             : 
     202           5 : bool AxBinaryPropertyWriter::ensureValid( bool bCondition )
     203             : {
     204           5 :     mbValid = mbValid && bCondition && !maOutStrm.isEof();
     205           5 :     return mbValid;
     206             : }
     207             : 
     208          41 : bool AxBinaryPropertyWriter::startNextProperty( bool bSkip )
     209             : {
     210             :     // if we are skipping then we clear the flag
     211          41 :     setFlag( mnPropFlags, mnNextProp, !bSkip );
     212          41 :     mnNextProp <<= 1;
     213          41 :     return true;
     214             : }
     215             : 
     216             : // ============================================================================
     217             : 
     218             : } // namespace exp
     219         141 : } // namespace ole
     220             : 
     221             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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