Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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" ) );
+   }
+}