bool Adler32ByteArrayChecksumAlgorithm::calculateChecksum( QString* result,
const Okteta::AbstractByteArrayModel* model, const Okteta::AddressRange& range ) const
{
quint32 a = 1;
quint32 b = 0;
// TODO: this is the "inefficient but straightforward implementation" from the Wikipedia entry, search for improved
Okteta::Address nextBlockEnd = range.start() + CalculatedByteCountSignalLimit;
for( Okteta::Address i = range.start(); i<=range.end(); ++i )
{
a = (a + model->byte( i )) % MOD_ADLER;
b = (b + a) % MOD_ADLER;
if( i >= nextBlockEnd )
{
nextBlockEnd += CalculatedByteCountSignalLimit;
emit calculatedBytes( range.localIndex(i)+1 );
}
}
const quint32 sum = (b << 16) | a;
*result = QString::fromLatin1("%1").arg( sum, 8, 16, QChar::fromLatin1('0') );
return true;
}
bool ByteArrayValuesStreamEncoder::encodeDataToStream( QIODevice *device,
const ByteArrayView* byteArrayView,
const Okteta::AbstractByteArrayModel* byteArrayModel,
const Okteta::AddressRange& range )
{
bool success = true;
// settings
mSettings.undefinedChar = byteArrayView->undefinedChar();
mSettings.substituteChar = byteArrayView->substituteChar();
mSettings.valueCoding = (Okteta::ValueCoding)byteArrayView->valueCoding();
// encode
QTextStream textStream( device );
Okteta::ValueCodec* valueCodec = Okteta::ValueCodec::createCodec( mSettings.valueCoding );
// prepare
QString valueString;
valueString.resize( valueCodec->encodingWidth() );
for( Okteta::Address i=range.start(); i<=range.end(); ++i )
{
if( i > range.start() )
textStream << mSettings.separation;
valueCodec->encode( valueString, 0, byteArrayModel->byte(i) );
textStream << valueString;
}
// clean up
delete valueCodec;
return success;
}
QString AbstractByteArrayStreamEncoder::previewData( AbstractModel* model, const AbstractModelSelection* selection )
{
const ByteArrayView* byteArrayView = qobject_cast<const ByteArrayView*>( model );
const ByteArrayDocument* byteArrayDocument =
byteArrayView ? qobject_cast<const ByteArrayDocument*>( byteArrayView->baseModel() ) : 0;
if( byteArrayDocument == 0 )
return QString();
const Okteta::AbstractByteArrayModel* byteArray = byteArrayDocument->content();
const ByteArraySelection* byteArraySelection =
selection ? static_cast<const ByteArraySelection*>( selection ) : 0;
Okteta::AddressRange range = byteArraySelection && byteArraySelection->isValid() ?
byteArraySelection->range() :
Okteta::AddressRange::fromWidth( 0, byteArray->size() );
range.restrictEndByWidth( MaxPreviewSize );
QByteArray data;
QBuffer dataBuffer( &data );
dataBuffer.open( QIODevice::WriteOnly );
const bool success = encodeDataToStream( &dataBuffer, byteArrayView, byteArray, range );
dataBuffer.close();
return success ? QString::fromLatin1(data) : QString();
}
quint16 ModSum16ByteArrayChecksumAlgorithm::calculateModSumWithBigEndian( const Okteta::AbstractByteArrayModel* model, const Okteta::AddressRange& range ) const
{
quint16 modSum = 0x0000;
Okteta::Address nextBlockEnd = range.start() + CalculatedByteCountSignalLimit;
// TODO: move padding checks into extra code before and after loop
for( Okteta::Address i = range.start(); i<=range.end(); ++i )
{
quint16 value = (quint16)( (quint8)(model->byte( i )) ) << 8;
++i;
if( i<=range.end() )
value |= (quint16)( (quint8)(model->byte( i )) );
modSum += value;
#if 0
const uchar value = (crcBits & 0xFF) + model->byte( i );
crcBits >>= 8;
crcBits ^= lookupTable[value];
#endif
if( i >= nextBlockEnd )
{
nextBlockEnd += CalculatedByteCountSignalLimit;
emit calculatedBytes( range.localIndex(i)+1 );
}
}
return modSum;
}
ByteArrayView::ByteArrayView( ByteArrayView* other, ByteArrayViewProfileSynchronizer* synchronizer,
Qt::Alignment alignment )
: AbstractView( static_cast<ByteArrayDocument*>(other->baseModel()) )
, mDocument( static_cast<ByteArrayDocument*>(other->baseModel()) )
, mByteArrayViewProfileSynchronizer( synchronizer )
{
init();
mWidget->setStartOffset( other->startOffset() );
mWidget->setFirstLineOffset( other->firstLineOffset() );
setViewModus( other->viewModus() );
setVisibleByteArrayCodings( other->visibleByteArrayCodings() );
toggleOffsetColumn( other->offsetColumnVisible() );
setOffsetCoding( other->offsetCoding() );
setCharCoding( other->charCodingName() );
setShowsNonprinting( other->showsNonprinting() );
setSubstituteChar( other->substituteChar() );
setUndefinedChar( other->undefinedChar() );
setValueCoding( other->valueCoding() );
setNoOfGroupedBytes( other->noOfGroupedBytes() );
setNoOfBytesPerLine( other->noOfBytesPerLine() );
// TODO: this can lead to different layouts due to possible one-pixel difference in width!
setLayoutStyle( other->layoutStyle() );
const Okteta::AddressRange selection = other->selection();
setSelection( selection.start(), selection.end() );
setZoomLevel( other->zoomLevel() );
setCursorPosition( other->cursorPosition() );
setOverwriteMode( other->isOverwriteMode() );
setReadOnly( other->isReadOnly() );
// TODO: all width
const QRect otherViewRect = other->mWidget->viewRect();
QPoint viewPos = otherViewRect.topLeft();
if( alignment == Qt::AlignBottom )
{
viewPos.setY( otherViewRect.bottom() + 1 );
}
// TODO: care for resize style
else if( alignment == Qt::AlignRight )
{
viewPos.setX( otherViewRect.right() + 1 );
}
// TODO: doesn't really work at this stage, because the widget will get resized when inserted
// and then ensureCursorVisible destroys the fun
mWidget->setViewPos( viewPos );
synchronizer->setView( this );
}
void CharsetConversionTool::convertChars()
{
QApplication::setOverrideCursor( Qt::WaitCursor );
const Okteta::AddressRange convertedSection = mByteArrayView->selection();
QByteArray conversionResult;
conversionResult.resize( convertedSection.width() );
Okteta::CharCodec* viewCharCodec =
Okteta::CharCodec::createCodec( mByteArrayView->charCodingName() );
Okteta::CharCodec* otherCharCodec =
Okteta::CharCodec::createCodec( mOtherCharCodecName );
const bool convertToOther = (mConversionDirection == ConvertTo);
Okteta::CharCodec* fromCharCodec = convertToOther ? viewCharCodec : otherCharCodec;
Okteta::CharCodec* toCharCodec = convertToOther ? otherCharCodec : viewCharCodec;
CharsetConversionJob* charsetConversionJob =
new CharsetConversionJob( reinterpret_cast<Okteta::Byte*>(conversionResult.data()),
mByteArrayModel, convertedSection,
convertToOther ? viewCharCodec : otherCharCodec,
convertToOther ? otherCharCodec : viewCharCodec,
mSubstitutingMissingChars, mSubstituteByte
); // TODO: report also actually converted bytes
const bool success = charsetConversionJob->exec();
if( success ) //TODO: if nothing needed to be converted, just report and don't add change
{
Okteta::ChangesDescribable *changesDescribable =
qobject_cast<Okteta::ChangesDescribable*>( mByteArrayModel );
if( changesDescribable )
{
const QString description =
i18nc("Converted from charset 1 to charset 2",
"%1 to %2", fromCharCodec->name(), toCharCodec->name());
changesDescribable->openGroupedChange( description );
}
mByteArrayModel->replace( convertedSection, conversionResult );
if( changesDescribable )
changesDescribable->closeGroupedChange();
}
delete viewCharCodec;
delete otherCharCodec;
QApplication::restoreOverrideCursor();
const QMap<Okteta::Byte, int>& failedPerByteCount = charsetConversionJob->failedPerByteCount();
const int convertedBytesCount = charsetConversionJob->convertedBytesCount();
mByteArrayView->setFocus();
emit conversionDone( success, convertedBytesCount, failedPerByteCount );
}
bool InvertByteArrayFilter::filter( Okteta::Byte* result,
Okteta::AbstractByteArrayModel *model, const Okteta::AddressRange& range ) const
{
int r = 0;
Okteta::Address m = range.start();
int nextBlockEnd = FilteredByteCountSignalLimit;
while( m <= range.end() )
{
result[r++] = ~model->byte( m++ );
if( r >= nextBlockEnd )
{
nextBlockEnd += FilteredByteCountSignalLimit;
emit filteredBytes( r );
}
}
return true;
}
bool Qca2ByteArrayChecksumAlgorithm::calculateChecksum( QString* result,
const Okteta::AbstractByteArrayModel* model, const Okteta::AddressRange& range ) const
{
QCA::Hash hash( mType );
// TODO: find a way without needing to copy, perhaps by smart iterator which can return spans of original data
// TODO: see if buffer size could be a value which matches the algorithm and qca2
char buffer[CalculatedByteCountSignalLimit];
int bufferLength = CalculatedByteCountSignalLimit;
Okteta::Address nextBlockEnd = range.start() + CalculatedByteCountSignalLimit;
for( Okteta::Address i = range.start(); i<=range.end(); i+=CalculatedByteCountSignalLimit )
{
if( range.end() < i+CalculatedByteCountSignalLimit )
bufferLength = range.end() - i + 1;
model->copyTo( reinterpret_cast<Okteta::Byte*>(buffer), i, bufferLength );
hash.update( buffer, bufferLength );
if( i >= nextBlockEnd )
{
nextBlockEnd += CalculatedByteCountSignalLimit;
emit calculatedBytes( range.localIndex(i)+1 );
}
}
const QByteArray hashResult = hash.final().toByteArray();
*result = QCA::arrayToHex( hashResult );
return true;
}
bool OrByteArrayFilter::filter( Okteta::Byte* result,
Okteta::AbstractByteArrayModel *model, const Okteta::AddressRange& range ) const
{
const QByteArray operand = mParameterSet.operand();
const int operandSize = operand.size();
if( mParameterSet.alignAtEnd() )
{
const int behindLastResult = range.width();
int r = behindLastResult;
Okteta::Address m = range.nextBehindEnd();
int nextBlockEnd = r - FilteredByteCountSignalLimit;
while( m > range.start() )
{
int o = operandSize;
while( m > range.start() && o > 0 )
result[(r--)-1] = model->byte( (m--)-1 ) | operand[(o--)-1];
if( r <= nextBlockEnd )
{
nextBlockEnd -= FilteredByteCountSignalLimit;
emit filteredBytes( behindLastResult - r );
}
}
}
else
{
Okteta::Address r = 0;
Okteta::Address m = range.start();
Okteta::Address nextBlockEnd = FilteredByteCountSignalLimit;
while( m <= range.end() )
{
int o = 0;
while( m <= range.end() && o < operandSize )
result[r++] = model->byte( m++ ) | operand[o++];
if( r >= nextBlockEnd )
{
nextBlockEnd += FilteredByteCountSignalLimit;
emit filteredBytes( r );
}
}
}
return true;
}
void PrintTool::print()
{
const QString processTitle = i18nc( "@title:window", "Print Byte Array %1", mDocument->title() );
QPrinter printer;
// LayoutDialogPage* layoutPage = new LayoutDialogPage();
QList<QWidget*> customDialogPages;
// customDialogPages << layoutPage;
QPrintDialog *printDialog = new QPrintDialog( &printer, 0 );
// Disable PrintPageRange, this tells Qt we can't do client-side page selection,
// so it will try do server-side page selection if supported
printDialog->setOption(QPrintDialog::PrintPageRange, false);
// printDialog->setOptionTabs(customDialogPages);
printDialog->setWindowTitle( processTitle );
if( printDialog->exec() )
{
QString creator = QString::fromLatin1( "Print Plugin for Okteta " ); // no i18n(), keep space at end as separator
// creator += KDEUTILS_VERSION_STRING; // TODO: change to OKTETA_VERSION_STRING
printer.setCreator( creator );
FramesToPaperPrinter framesPrinter;
framesPrinter.setPaperRect( printer.paperRect() );
framesPrinter.setPageRect( printer.pageRect() );
printer.setFullPage( true );
PrintInfo info;
const QRect pageRect = framesPrinter.pageRect();
const int left = pageRect.left();
const int width = pageRect.width();
HeaderFooterFrameRenderer *headerFrameRenderer = new HeaderFooterFrameRenderer( &info );
headerFrameRenderer->setTexts( QStringLiteral("%d"),
QStringLiteral("%f"),
i18nc("in the header of the printed page, e.g. Page 2 of 20","Page %p of %P") );
headerFrameRenderer->setWidth( width );
headerFrameRenderer->setPos( pageRect.topLeft() );
HeaderFooterFrameRenderer *footerFrameRenderer = new HeaderFooterFrameRenderer( &info );
footerFrameRenderer->setTexts( i18nc("in the footer of the printed page, e.g. Printed by: Joe User",
"Printed by: %U"),
QString(),
QStringLiteral("%F") );
footerFrameRenderer->setWidth( width );
const int footerTop = pageRect.bottom() - footerFrameRenderer->height();
footerFrameRenderer->setPos( left, footerTop );
const int contentHeight = pageRect.height() - footerFrameRenderer->height() - headerFrameRenderer->height();
const int contentTop = pageRect.top() + headerFrameRenderer->height();
ByteArrayFrameRenderer *byteArrayFrameRenderer = new ByteArrayFrameRenderer;
byteArrayFrameRenderer->setPos( left, contentTop );
byteArrayFrameRenderer->setWidth( width );
byteArrayFrameRenderer->setHeight( contentHeight );
Okteta::AddressRange range = mByteArrayView->selection();
if( ! range.isValid() )
range.setByWidth( 0, mByteArrayModel->size() );
byteArrayFrameRenderer->setByteArrayModel( mByteArrayModel, range.start(), range.width() );
// TODO: use noOfBytesPerLine of view, scale resolution down if it does not fit the page
const int noOfBytesPerLine = mByteArrayView->noOfBytesPerLine();
// byteArrayFrameRenderer->setNoOfBytesPerLine( mByteArrayView->noOfBytesPerLine() );
const Okteta::Address startOffset = mByteArrayView->startOffset() + range.start();
const int line = startOffset / noOfBytesPerLine;
const Okteta::Address firstLineOffset = mByteArrayView->firstLineOffset() + line*noOfBytesPerLine;
byteArrayFrameRenderer->setFirstLineOffset( firstLineOffset );
byteArrayFrameRenderer->setStartOffset( startOffset );
byteArrayFrameRenderer->setCharCoding( mByteArrayView->charCodingName() );
byteArrayFrameRenderer->setBufferSpacing( mByteArrayView->byteSpacingWidth(),
mByteArrayView->noOfGroupedBytes(),
mByteArrayView->groupSpacingWidth() );
byteArrayFrameRenderer->setBinaryGapWidth( mByteArrayView->binaryGapWidth() );
byteArrayFrameRenderer->setValueCoding( (Okteta::ValueCoding)mByteArrayView->valueCoding() );
byteArrayFrameRenderer->setShowsNonprinting( mByteArrayView->showsNonprinting() );
byteArrayFrameRenderer->setSubstituteChar( mByteArrayView->substituteChar() );
byteArrayFrameRenderer->setUndefinedChar( mByteArrayView->undefinedChar() );
byteArrayFrameRenderer->showByteArrayColumns( mByteArrayView->visibleByteArrayCodings() );
// if( !confirmPrintPageNumber( byteArrayFrameRenderer->framesCount()) )
// return;
framesPrinter.addFrameRenderer( headerFrameRenderer );
framesPrinter.addFrameRenderer( byteArrayFrameRenderer );
framesPrinter.addFrameRenderer( footerFrameRenderer );
info.setNoOfPages( byteArrayFrameRenderer->framesCount() );
AbstractModelSynchronizer* synchronizer = mDocument->synchronizer();
if (synchronizer) {
info.setUrl( synchronizer->url() );
}
QApplication::setOverrideCursor( Qt::WaitCursor );
PrintJob *printJob = new PrintJob( &framesPrinter, 0, byteArrayFrameRenderer->framesCount()-1, &printer );
const bool success = printJob->exec();
QApplication::restoreOverrideCursor();
if( ! success )
{
const QString message = i18nc( "@info","Could not print." );
KMessageBox::sorry( 0, message, processTitle );
}
}
delete printDialog;
}