Program: gdcm
Module: $RCSfile: gdcmSeqEntry.cxx,v $
Language: C++
- Date: $Date: 2005/08/24 03:42:40 $
- Version: $Revision: 1.57 $
+ Date: $Date: 2006/02/16 20:06:15 $
+ Version: $Revision: 1.65 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmSeqEntry.h"
#include "gdcmSQItem.h"
-#include "gdcmValEntry.h"
#include "gdcmTS.h"
#include "gdcmGlobal.h"
#include "gdcmUtil.h"
{
uint16_t seq_term_gr = 0xfffe;
uint16_t seq_term_el = 0xe0dd;
- uint32_t seq_term_lg = 0xffffffff;
+ uint32_t seq_term_lg = 0x00000000;
+
+ // ignore 'Zero length' Sequences
+ if ( GetReadLength() == 0 )
+ return;
- //uint16_t item_term_gr = 0xfffe;
- //uint16_t item_term_el = 0xe00d;
-
DocEntry::WriteContent(fp, filetype);
for(ListSQItem::iterator cc = Items.begin();
cc != Items.end();
binary_write(*fp, seq_term_lg);
}
+/**
+ * \brief Compute the full length of the SeqEntry (not only value
+ * length) depending on the VR.
+ */
+uint32_t SeqEntry::ComputeFullLength()
+{
+ uint32_t l = 12; // Tag (4) + VR (explicit) 4 + 4 (length);
+ for(ListSQItem::iterator cc = Items.begin();
+ cc != Items.end();
+ ++cc)
+ {
+ l += (*cc)->ComputeFullLength();
+ }
+ l += 8; // seq_term Tag (4) + seq_term_lg (4)
+ return l;
+}
+
/**
* \brief adds the passed ITEM to the ITEM chained List for this SeQuence.
* @param sqItem SQItem to be pushed back in the SeqEntry
// Or we can add (or remove) anywhere, and SQItemNumber will be broken
sqItem->SetSQItemNumber(itemNumber);
Items.push_back(sqItem);
+ sqItem->Register();
}
/**
{
for(ListSQItem::iterator cc = Items.begin(); cc != Items.end(); ++cc)
{
- delete *cc;
+ (*cc)->Unregister();
}
if (SeqTerm)
{
- delete SeqTerm;
+ SeqTerm->Unregister();
}
}
return Items.size();
}
+/**
+ * \brief Sets the Sequence Delimitation Item
+ * \param e Delimitation item
+ */
+void SeqEntry::SetDelimitationItem(DocEntry *e)
+{
+ if( SeqTerm != e )
+ {
+ if( SeqTerm )
+ SeqTerm->Unregister();
+ SeqTerm = e;
+ if( SeqTerm )
+ SeqTerm->Register();
+ }
+}
+
+/**
+ * \brief Copies all the attributes from an other DocEntry
+ * @param doc entry to copy from
+ * @remarks The contained SQItems a not copied, only referenced
+ */
+void SeqEntry::Copy(DocEntry *doc)
+{
+ // Delete previous SQ items
+ ClearSQItem();
+
+ DocEntry::Copy(doc);
+ SeqEntry *entry = dynamic_cast<SeqEntry *>(doc);
+ if ( entry )
+ {
+ DelimitorMode = entry->DelimitorMode;
+ SQDepthLevel = entry->SQDepthLevel;
+
+ SeqTerm = entry->SeqTerm;
+ if(SeqTerm)
+ SeqTerm->Register();
+ Items = entry->Items;
+ for(ItSQItem = Items.begin();ItSQItem != Items.end(); ++ItSQItem)
+ {
+ (*ItSQItem)->Register();
+ }
+ }
+}
+
//-----------------------------------------------------------------------------
// Protected
-
//-----------------------------------------------------------------------------
// Private