From e27ee83bb142a4eb0797a56dee6ae20bb9f42e4f Mon Sep 17 00:00:00 2001
From: rahuel <rahuel@opencascade.com>
Date: Thu, 16 Jun 2005 12:05:14 +0000
Subject: [PATCH] Void or Blank strings input value of a Port was not allowed

---
 src/GraphBase/DataFlowBase_XmlHandler.cxx  |  3 +--
 src/GraphEditor/DataFlowEditor_OutNode.cxx | 20 +++++++++++++++-----
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/src/GraphBase/DataFlowBase_XmlHandler.cxx b/src/GraphBase/DataFlowBase_XmlHandler.cxx
index 7578329..db9277c 100644
--- a/src/GraphBase/DataFlowBase_XmlHandler.cxx
+++ b/src/GraphBase/DataFlowBase_XmlHandler.cxx
@@ -759,8 +759,7 @@ bool GraphBase::XmlHandler::endElement( const QString&,
             if ( fieldvalue[depth] == NULLSTRING )
               return returnfalse( this , "depth4-4" , qName ) ;
             if ( !strcmp( fieldvalue[depth].c_str() , "?" ) ) {
-//              aLink.aLinkValue.Value = fieldvalue[depth].c_str() ;
-              aLink.aLinkValue = CORBA::Any() ; // ???
+              aLink.aLinkValue <<= "" ;
 	    }
             else {
               switch ( aLink.aLinkValue.type()->kind() ) {
diff --git a/src/GraphEditor/DataFlowEditor_OutNode.cxx b/src/GraphEditor/DataFlowEditor_OutNode.cxx
index eede7c4..5af740e 100644
--- a/src/GraphEditor/DataFlowEditor_OutNode.cxx
+++ b/src/GraphEditor/DataFlowEditor_OutNode.cxx
@@ -1110,12 +1110,22 @@ bool GraphEditor::OutNode::LinkSaveXML( QDomDocument & Graph , QDomElement & lin
         aLink.aLinkValue >>= retstr;
         QDomElement value = Graph.createElement( "value" ) ;
 //PAL9133 Debug JR : accept void strings
-        QDomCDATASection aCDATA = Graph.createCDATASection( retstr ) ;
+        QDomCDATASection aCDATA ;
+        int i ;
+        for ( i = 0 ; i < (int ) strlen( retstr ) ; i++ ) {
+          if ( retstr[ i ] != ' ' ) {
+            break ;
+    	  }
+        }
+        if ( i == (int ) strlen( retstr ) ) {
+          aCDATA = Graph.createCDATASection( "?" ) ;
+        }
+        else {
+          aCDATA = Graph.createCDATASection( retstr ) ;
+	}
 //        aField = Graph.createTextNode( retstr ) ;
-        aField = Graph.createCDATASection( retstr ) ;
-        datavalue.appendChild( aCDATA ) ;
-//        datavalue.appendChild( value ) ;
-        value.appendChild( aField ) ;
+        datavalue.appendChild( value ) ;
+        value.appendChild( aCDATA ) ;
 //        MESSAGE( "ToString( string ) " << retstr );
         break ;
       }
-- 
2.39.2