-// gdcmSeqEntry.cxx
-//-----------------------------------------------------------------------------
-//
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmSeqEntry.cxx,v $
+ Language: C++
+ Date: $Date: 2004/10/12 04:35:48 $
+ Version: $Revision: 1.31 $
+
+ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
+ l'Image). All rights reserved. See Doc/License.txt or
+ http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even
+ the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ PURPOSE. See the above copyright notices for more information.
+
+=========================================================================*/
+
#include "gdcmSeqEntry.h"
+#include "gdcmSQItem.h"
#include "gdcmTS.h"
#include "gdcmGlobal.h"
#include "gdcmUtil.h"
+#include <iostream>
+#include <iomanip>
+
+namespace gdcm
+{
//-----------------------------------------------------------------------------
// Constructor / Destructor
/**
- * \ingroup gdcmSeqEntry
- * \brief Constructor from a given gdcmSeqEntry
- * @param in Pointer to existing dictionary entry
+ * \ingroup SeqEntry
+ * \brief Constructor from a given SeqEntry
*/
-gdcmSeqEntry::gdcmSeqEntry() : gdcmDocEntry( ) {
-
+SeqEntry::SeqEntry( DictEntry* e )
+ : DocEntry(e)
+{
+ UsableLength = 0;
+ ReadLength = 0xffffffff;
+ SQDepthLevel = -1;
+ delimitor_mode = false;
+ seq_term = NULL;
}
+/**
+ * \brief Constructor from a given SeqEntry
+ * @param e Pointer to existing Doc entry
+ * @param depth depth level of the current Seq entry
+ */
+SeqEntry::SeqEntry( DocEntry* e, int depth )
+ : DocEntry( e->GetDictEntry() )
+{
+ this->UsableLength = 0;
+ this->ReadLength = 0xffffffff;
+ SQDepthLevel = depth;
+
+ this->ImplicitVR = e->IsImplicitVR();
+ this->Offset = e->GetOffset();
+}
/**
- * \ingroup gdcmSeqEntry
* \brief Canonical destructor.
*/
-gdcmSeqEntry::~gdcmSeqEntry()
-{
+SeqEntry::~SeqEntry() {
for(ListSQItem::iterator cc = items.begin();cc != items.end();++cc)
{
delete *cc;
}
+ if (!seq_term)
+ delete seq_term;
}
-//-----------------------------------------------------------------------------
-// Print
-/*
- * \ingroup gdcmSeqEntry
+/**
* \brief canonical Printer
*/
-
+void SeqEntry::Print( std::ostream &os )
+{
+ // First, Print the Dicom Element itself.
+ SetPrintLevel(2);
+ DocEntry::Print(os);
+ os << std::endl;
+
+ if (GetReadLength() == 0)
+ return;
+
+ // Then, Print each SQ Item
+ for(ListSQItem::iterator cc = items.begin();cc != items.end();++cc)
+ {
+ (*cc)->Print(os);
+ }
+
+ // at end, print the sequence terminator item, if any
+ if (delimitor_mode) {
+ for ( int i = 0; i < SQDepthLevel; i++ )
+ {
+ os << " | " ;
+ }
+ if (seq_term != NULL)
+ {
+ seq_term->Print(os);
+ os << std::endl;
+ }
+ else
+ {
+ // fuse
+ os << " -------------- should have a sequence terminator item";
+ }
+ }
+}
+
+/*
+ * \brief canonical Writer
+ */
+void SeqEntry::Write(FILE* fp, FileType filetype)
+{
+ uint16_t seq_term_gr = 0xfffe;
+ uint16_t seq_term_el = 0xe0dd;
+ uint32_t seq_term_lg = 0xffffffff;
+
+ //uint16_t item_term_gr = 0xfffe;
+ //uint16_t item_term_el = 0xe00d;
+
+ DocEntry::Write(fp, filetype);
+ for(ListSQItem::iterator cc = GetSQItems().begin();
+ cc != GetSQItems().end();
+ ++cc)
+ {
+ (*cc)->Write(fp, filetype);
+ }
+
+ // we force the writting of a Sequence Delimitation item
+ // because we wrote the Sequence as a 'no Length' sequence
+ fwrite ( &seq_term_gr,(size_t)2 ,(size_t)1 ,fp);
+ fwrite ( &seq_term_el,(size_t)2 ,(size_t)1 ,fp);
+ fwrite ( &seq_term_lg,(size_t)4 ,(size_t)1 ,fp);
+}
//-----------------------------------------------------------------------------
// Public
+/// \brief adds the passed ITEM to the ITEM chained List for this SeQuence.
+void SeqEntry::AddEntry(SQItem *sqItem, int itemNumber)
+{
+ sqItem->SetSQItemNumber(itemNumber);
+ items.push_back(sqItem);
+}
+
+/**
+ * \brief return a pointer to the SQItem referenced by its ordinal number.
+ * Returns the first item when argument is negative.
+ * Returns the last item when argument is bigget than the total
+ * item number.
+ */
+SQItem* SeqEntry::GetSQItemByOrdinalNumber(int nb)
+{
+ if (nb<0)
+ return (*(items.begin()));
+ int count = 0 ;
+ for(ListSQItem::iterator cc = items.begin();
+ cc != items.end();
+ count ++, ++cc){
+ if (count==nb)
+ return *cc;
+ }
+ return (*(items.end())); // Euhhhhh ?!? Is this the last one . FIXME
+}
//-----------------------------------------------------------------------------
// Protected
+
//-----------------------------------------------------------------------------
// Private
//-----------------------------------------------------------------------------
+} // end namespace gdcm
+