diff options
Diffstat (limited to 'kghostview/dscparse/dscparse_adapter.cpp')
| -rw-r--r-- | kghostview/dscparse/dscparse_adapter.cpp | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/kghostview/dscparse/dscparse_adapter.cpp b/kghostview/dscparse/dscparse_adapter.cpp new file mode 100644 index 00000000..b04e89bc --- /dev/null +++ b/kghostview/dscparse/dscparse_adapter.cpp @@ -0,0 +1,420 @@ +/** + * Copyright (C) 2001 the KGhostView authors. See file AUTHORS. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "dscparse_adapter.h" + +using namespace std; + +/*-- KDSCBBOX implementation -----------------------------------------------*/ + +KDSCBBOX::KDSCBBOX() : + _llx( 0 ), _lly( 0 ), + _urx( 0 ), _ury( 0 ) +{} + +KDSCBBOX::KDSCBBOX( const KDSCBBOX& b ) : + _llx( b._llx ), _lly( b._lly ), + _urx( b._urx ), _ury( b._ury ) +{} + +KDSCBBOX::KDSCBBOX( int llx, int lly, int urx, int ury ) : + _llx( llx ), _lly( lly ), + _urx( urx ), _ury( ury ) +{} + +KDSCBBOX::KDSCBBOX( const CDSCBBOX& bbox ) : + _llx( bbox.llx ), _lly( bbox.lly ), + _urx( bbox.urx ), _ury( bbox.ury ) +{} + +KDSCBBOX& KDSCBBOX::operator = ( const KDSCBBOX& b ) +{ + _llx = b._llx; _lly = b._lly; _urx = b._urx; _ury = b._ury; + return *this; +} + +bool KDSCBBOX::operator == ( const KDSCBBOX& b ) +{ + return ( _llx == b._llx && _lly == b._lly + && _urx == b._urx && _ury == b._ury ); +} + +bool KDSCBBOX::operator != ( const KDSCBBOX& b ) +{ + return !( *this == b ); +} + +int KDSCBBOX::llx() const { return _llx; } +int KDSCBBOX::lly() const { return _lly; } +int KDSCBBOX::urx() const { return _urx; } +int KDSCBBOX::ury() const { return _ury; } + +int KDSCBBOX::width() const { return _urx - _llx; } +int KDSCBBOX::height() const { return _ury - _lly; } + +TQSize KDSCBBOX::size() const { return TQSize( width(), height() ); } + +ostream& operator << ( ostream& os, const KDSCBBOX& source ) +{ + os << "{ llx: "<< source.llx() << ", lly: " << source.lly() + << " urx: "<< source.urx() << ", ury: " << source.ury() << " }"; + return os; +} + +/*-- KDSCError implementation ----------------------------------------------*/ + +KDSCError::KDSCError( Type type, Severity severity, const TQCString& line, + unsigned int lineNumber ) : + _type( type ), + _severity( severity ), + _line( line ), + _lineNumber( lineNumber ) +{} + +KDSCError::Type KDSCError::type() const +{ + return _type; +} + +KDSCError::Severity KDSCError::severity() const +{ + return _severity; +} + +TQCString KDSCError::line() const +{ + return _line; +} + +unsigned int KDSCError::lineNumber() const +{ + return _lineNumber; +} + +/*-- KDSCOkErrorHandler implementation -------------------------------------*/ + +KDSCErrorHandler::Response KDSCOkErrorHandler::error( const KDSCError& err ) +{ + cout << "KDSC: error in line " << err.lineNumber() << endl; + cout << err.line() << endl; + return Ok; +} + +/*-- KDSC implementation ---------------------------------------------------*/ + +KDSC::KDSC() : + _errorHandler( 0 ), + _commentHandler( 0 ) +{ + _cdsc = dsc_init( this ); + Q_ASSERT( _cdsc != 0 ); + _scanHandler = new KDSCScanHandler( _cdsc ); +} + +KDSC::~KDSC() +{ + dsc_free( _cdsc ); + delete _scanHandler; +} + +TQString KDSC::dsc_version() const +{ + return TQString( _cdsc->dsc_version ); +} + +bool KDSC::dsc() const +{ + return ( _cdsc->dsc == TRUE ); +} + +bool KDSC::ctrld() const +{ + return ( _cdsc->ctrld == TRUE ); +} + +bool KDSC::pjl() const +{ + return ( _cdsc->pjl == TRUE ); +} + +bool KDSC::epsf() const +{ + return ( _cdsc->epsf == TRUE ); +} + +bool KDSC::pdf() const +{ + return ( _cdsc->pdf == TRUE ); +} + +unsigned int KDSC::preview() const +{ + return _cdsc->preview; +} + +unsigned int KDSC::language_level() const +{ + return _cdsc->language_level; +} + +unsigned int KDSC::document_data() const +{ + return _cdsc->document_data; +} + +unsigned long KDSC::begincomments() const +{ + return _cdsc->begincomments; +} + +unsigned long KDSC::endcomments() const +{ + return _cdsc->endcomments; +} + +unsigned long KDSC::beginpreview() const +{ + return _cdsc->beginpreview; +} + +unsigned long KDSC::endpreview() const +{ + return _cdsc->endpreview; +} + +unsigned long KDSC::begindefaults() const +{ + return _cdsc->begindefaults; +} + +unsigned long KDSC::enddefaults() const +{ + return _cdsc->enddefaults; +} + +unsigned long KDSC::beginprolog() const +{ + return _cdsc->beginprolog; +} + +unsigned long KDSC::endprolog() const +{ + return _cdsc->endprolog; +} + +unsigned long KDSC::beginsetup() const +{ + return _cdsc->beginsetup; +} + +unsigned long KDSC::endsetup() const +{ + return _cdsc->endsetup; +} + +unsigned long KDSC::begintrailer() const +{ + return _cdsc->begintrailer; +} + +unsigned long KDSC::endtrailer() const +{ + return _cdsc->endtrailer; +} + +CDSCPAGE* KDSC::page() const +{ + return _cdsc->page; +} + +unsigned int KDSC::page_count() const +{ + return _cdsc->page_count; +} + +unsigned int KDSC::page_pages() const +{ + return _cdsc->page_pages; +} + +unsigned int KDSC::page_order() const +{ + return _cdsc->page_order; +} + +unsigned int KDSC::page_orientation() const +{ + return _cdsc->page_orientation; +} + +CDSCCTM* KDSC::viewing_orientation() const +{ + return _cdsc->viewing_orientation; +} + +unsigned int KDSC::media_count() const +{ + return _cdsc->media_count; +} + +CDSCMEDIA** KDSC::media() const +{ + return _cdsc->media; +} + +const CDSCMEDIA* KDSC::page_media() const +{ + return _cdsc->page_media; +} + +auto_ptr<KDSCBBOX> KDSC::bbox() const +{ + if( _cdsc->bbox == 0 ) + return auto_ptr<KDSCBBOX>( 0 ); + else + return auto_ptr<KDSCBBOX>( new KDSCBBOX( *_cdsc->bbox ) ); +} + +auto_ptr<KDSCBBOX> KDSC::page_bbox() const +{ + if( _cdsc->page_bbox == 0 ) + return auto_ptr<KDSCBBOX>( 0 ); + else + return auto_ptr<KDSCBBOX>( new KDSCBBOX( *_cdsc->page_bbox ) ); +} + +TQString KDSC::dsc_title() const +{ + return TQString( _cdsc->dsc_title ); +} + +TQString KDSC::dsc_creator() const +{ + return TQString( _cdsc->dsc_creator ); +} + +TQString KDSC::dsc_date() const +{ + return TQString( _cdsc->dsc_date ); +} + +TQString KDSC::dsc_for() const +{ + return TQString( _cdsc->dsc_for ); +} + +bool KDSC::scanData( char* buffer, unsigned int count ) +{ + return _scanHandler->scanData( buffer, count ); +} + +int KDSC::fixup() +{ + return dsc_fixup( _cdsc ); +} + +KDSCErrorHandler* KDSC::errorHandler() const +{ + return _errorHandler; +} + +void KDSC::setErrorHandler( KDSCErrorHandler* errorHandler ) +{ + _errorHandler = errorHandler; + if( errorHandler == 0 ) + dsc_set_error_function( _cdsc, 0 ); + else + dsc_set_error_function( _cdsc, &errorFunction ); +} + +KDSCCommentHandler* KDSC::commentHandler() const +{ + return _commentHandler; +} + +void KDSC::setCommentHandler( KDSCCommentHandler* commentHandler ) +{ + if( _commentHandler != 0 && commentHandler == 0 ) + { + delete _scanHandler; + _scanHandler = new KDSCScanHandler( _cdsc ); + } + else if( _commentHandler == 0 && commentHandler != 0 ) + { + delete _scanHandler; + _scanHandler = new KDSCScanHandlerByLine( _cdsc, commentHandler ); + } + _commentHandler = commentHandler; +} + +bool KDSC::isStructured() const +{ + return epsf() ? ( page_count() > 1 ) : ( page_count() > 0 ); +} + +CDSC* KDSC::cdsc() const +{ + return _cdsc; +} + +int KDSC::errorFunction( void* caller_data, CDSC* dsc, + unsigned int explanation, const char* line, unsigned int line_len ) +{ + KDSCError error( + static_cast< KDSCError::Type >( explanation ), + static_cast< KDSCError::Severity >( dsc->severity[explanation] ), + TQCString( line, line_len + 1 ), + dsc->line_count + ); + + KDSC* kdsc = static_cast< KDSC* >( caller_data ); + Q_ASSERT( kdsc ); + + return kdsc->errorHandler()->error( error ); +} + +bool KDSCScanHandlerByLine::scanData( char* buf, unsigned int count ) +{ + char* lineStart = buf; + char* it = buf; + while( it < buf + count ) + { + if( *it++ == '\n' ) + { + int retval = dsc_scan_data( _cdsc, lineStart, it - lineStart ); + if( retval < 0 ) + return false; + else if( retval > 0 ) + { + _commentHandler->comment( + static_cast<KDSCCommentHandler::Name>( retval ) ); + } + lineStart = it; + } + } + + if( it != lineStart ) + { + // Scan the remaining part of the string. + return ( dsc_scan_data( _cdsc, lineStart, it - lineStart ) < 0 ); + } + else + return true; +} + +// vim:sw=4:sts=4:ts=8:noet |