* Add GetFirstValEntry + GetNexxtValEntry, for Python users

[gdcm.git] / src / gdcmSQItem.cxx

diff --git a/src/gdcmSQItem.cxx b/src/gdcmSQItem.cxx
index e6b4e1c9cf145dd40fac7e17992e80063d91d2cd..1b46a482946cdb1a6ae49a1c2f78d21b90d7270c 100644 (file)
--- a/src/gdcmSQItem.cxx
+++ b/src/gdcmSQItem.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmSQItem.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/02/02 16:18:48 $
-  Version:   $Revision: 1.66 $
+  Date:      $Date: 2005/02/04 14:49:01 $
+  Version:   $Revision: 1.67 $
   
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -210,7 +210,7 @@ DocEntry *SQItem::GetFirstEntry()
 }
                                                                                 
 /**
- * \brief   Get the next Dicom entry while visiting the chained list
+ * \brief   Get the next Dicom entry while visiting the SQItem
  * \return  The next DocEntry if found, otherwhise NULL
  */
 DocEntry *SQItem::GetNextEntry()
@@ -221,6 +221,42 @@ DocEntry *SQItem::GetNextEntry()
    return NULL;
 }
 
+/**
+ * \brief   Get the first ValEntry while visiting theSQItem
+ *              This method is designed for Python users
+ * \return  The first ValEntry if found, otherwhise NULL
+ */
+ValEntry *SQItem::GetFirstValEntry()
+{
+   gdcm::ValEntry *valEntry;
+   gdcm::DocEntry *d = GetFirstEntry();
+   // an other iterator is needed to allow user iterate 
+   // at the same time both on DocEntries and ValEntries 
+   ItValEntries = ItDocEntries;
+   if ( valEntry = dynamic_cast<gdcm::ValEntry*>(d))
+      return valEntry;
+   return  GetNextValEntry();
+}
+                                                                                
+/**
+ * \brief   Get the next ValEntry while visiting the SQItem
+ * \return  The next ValEntry if found, otherwhise NULL
+ */
+ValEntry *SQItem::GetNextValEntry()
+{
+   gdcm::ValEntry *valEntry;
+   gdcm::DocEntry *d = *ItValEntries;
+   ++ItValEntries; 
+   while( d )
+   {
+      if ( valEntry = dynamic_cast<gdcm::ValEntry*>(d))
+         return valEntry;
+      else
+     return GetNextValEntry(); 
+   }
+   return 0;
+}
+
 /**
  * \brief   Gets a Dicom Element inside a SQ Item Entry
  * @param   group   Group number of the Entry