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Diffstat (limited to 'kpovmodeler/pmxmlparser.cpp')
| -rw-r--r-- | kpovmodeler/pmxmlparser.cpp | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/kpovmodeler/pmxmlparser.cpp b/kpovmodeler/pmxmlparser.cpp new file mode 100644 index 00000000..520b19c0 --- /dev/null +++ b/kpovmodeler/pmxmlparser.cpp @@ -0,0 +1,177 @@ +/* +************************************************************************** + description + -------------------- + copyright : (C) 2000-2002 by Andreas Zehender + email : zehender@kde.org +************************************************************************** + +************************************************************************** +* * +* 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. * +* * +**************************************************************************/ + +#include "pmxmlparser.h" + +#include <qbuffer.h> +#include <klocale.h> + +#include "pmpart.h" +#include "pmscene.h" +#include "pmxmlhelper.h" +#include "pmprototypemanager.h" +#include "pmdocumentformat.h" +#include "pmdebug.h" + +PMXMLParser::PMXMLParser( PMPart* part, QIODevice* dev ) + : PMParser( part, dev ) +{ + init( ); +} + +PMXMLParser::PMXMLParser( PMPart* part, const QByteArray& array ) + : PMParser( part, array ) +{ + init( ); +} + +void PMXMLParser::init( ) +{ + m_pDoc = 0; + m_majorDocumentFormat = 1; + m_minorDocumentFormat = 0; +} + +PMXMLParser::~PMXMLParser( ) +{ + if( m_pDoc ) + delete m_pDoc; +} + +bool PMXMLParser::initDocument( ) +{ + if( !m_pDoc ) + { + m_pDoc = new QDomDocument( "KPOVMODELER" ); + if( m_pDoc->setContent( m_pDevice ) ) + return true; + else + { + printError( i18n( "Could not load the documents data!" ) ); + setFatalError( ); + return false; + } + } + return true; +} + +void PMXMLParser::topParse( ) +{ + if( initDocument( ) ) + { + QDomElement e = m_pDoc->documentElement( ); + // read the format number + // assume 1.0 on error + QString fstring = e.attribute( "majorFormat", "1" ); + bool ok = true; + int format = fstring.toInt( &ok ); + if( !ok || ( format < 1 ) ) + format = 1; + m_majorDocumentFormat = format; + + fstring = e.attribute( "minorFormat", "0" ); + ok = true; + format = fstring.toInt( &ok ); + if( !ok || ( format < 0 ) ) + format = 0; + m_minorDocumentFormat = format; + + if( ( m_majorDocumentFormat > c_majorDocumentFormat ) + || ( m_majorDocumentFormat == c_majorDocumentFormat ) + && ( m_minorDocumentFormat > c_minorDocumentFormat ) ) + printWarning( i18n( "This document was created with a newer version of KPovModeler. " + "The whole document may not be loaded correctly." ) ); + + if( e.tagName( ) == "objects" ) + { + parseChildObjects( e, 0 ); + } + else if( e.tagName( ) == "scene" ) + { + PMScene* scene = new PMScene( m_pPart ); + insertChild( scene, 0 ); + PMXMLHelper hlp( e, m_pPart, this, + m_majorDocumentFormat, m_minorDocumentFormat ); + scene->readAttributes( hlp ); + parseChildObjects( e, scene ); + } + else + { + printError( i18n( "Wrong top level tag" ) ); + setFatalError( ); + } + } +} + +void PMXMLParser::parseChildObjects( QDomElement& e, PMObject* parent ) +{ + QDomNode c = e.firstChild( ); + while( !c.isNull( ) ) + { + if( c.isElement( ) ) + { + QDomElement ce = c.toElement( ); + PMPrototypeManager* m = m_pPart->prototypeManager( ); + PMObject* obj = m->newObject( m->className( ce.tagName( ) ) ); + if( obj ) + { + PMXMLHelper hlp( ce, m_pPart, this, + m_majorDocumentFormat, m_minorDocumentFormat ); + obj->readAttributes( hlp ); + if( insertChild( obj, parent ) ) + { + parseChildObjects( ce, obj ); + + if( obj->isA( "Declare" ) ) + checkID( ( PMDeclare* ) obj ); + } + else + delete obj; + } + else if( ce.tagName( ) != "extra_data" ) + printError( i18n( "Unknown object %1" ).arg( ce.tagName( ) ) ); + } + c = c.nextSibling( ); + } +} + + +void PMXMLParser::quickParse( QStringList& list ) +{ + if( initDocument( ) ) + { + QDomElement e = m_pDoc->documentElement( ); + if( ( e.tagName( ) == "objects" ) || ( e.tagName( ) == "scene" ) ) + { + QDomNode c = e.firstChild( ); + + while( !c.isNull( ) ) + { + if( c.isElement( ) ) + { + QDomElement ce = c.toElement( ); + QString type = m_pPart->prototypeManager( )->className( ce.tagName( ) ); + if( !type.isNull( ) ) + list.append( type ); + } + c = c.nextSibling( ); + } + } + else + printError( i18n( "Wrong top level tag" ) ); + } +} |