Program: gdcm
Module: $RCSfile: gdcmSeqEntry.cxx,v $
Language: C++
- Date: $Date: 2004/11/24 16:39:19 $
- Version: $Revision: 1.37 $
+ Date: $Date: 2005/10/24 16:00:48 $
+ Version: $Revision: 1.59 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmTS.h"
#include "gdcmGlobal.h"
#include "gdcmUtil.h"
+#include "gdcmDebug.h"
#include <iostream>
#include <iomanip>
namespace gdcm
{
-
//-----------------------------------------------------------------------------
// Constructor / Destructor
/**
- * \ingroup SeqEntry
* \brief Constructor from a given SeqEntry
*/
-SeqEntry::SeqEntry( DictEntry* e )
+SeqEntry::SeqEntry( DictEntry *e )
: DocEntry(e)
{
- UsableLength = 0;
- ReadLength = 0xffffffff;
+ Length = 0;
+ ReadLength = 0xffffffff;
SQDepthLevel = -1;
DelimitorMode = false;
}
/**
- * \brief Constructor from a given SeqEntry
+ * \brief Constructor from a given DocEntry
* @param e Pointer to existing Doc entry
* @param depth depth level of the current Seq entry
- */
-SeqEntry::SeqEntry( DocEntry* e, int depth )
+ */
+SeqEntry::SeqEntry( DocEntry *e, int depth )
: DocEntry( e->GetDictEntry() )
{
- UsableLength = 0;
+ Length = 0;
ReadLength = 0xffffffff;
SQDepthLevel = depth;
*/
SeqEntry::~SeqEntry()
{
- for(ListSQItem::iterator cc = Items.begin(); cc != Items.end(); ++cc)
- {
- delete *cc;
- }
- if (!SeqTerm)
- {
- delete SeqTerm;
- }
-}
-
-/**
- * \brief canonical Printer
- */
-void SeqEntry::Print( std::ostream &os )
-{
- // First, Print the Dicom Element itself.
- SetPrintLevel(2);
-
- os << "S ";
- 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 (DelimitorMode)
- {
- for ( int i = 0; i < SQDepthLevel; i++ )
- {
- os << " | " ;
- }
- if (SeqTerm != NULL)
- {
- SeqTerm->Print(os);
- os << std::endl;
- }
- else
- {
- // fuse
- os << " -------------- should have a sequence terminator item";
- }
- }
+ ClearSQItem();
}
+//-----------------------------------------------------------------------------
+// Public
/*
* \brief canonical Writer
+ * @param fp pointer to an already open file
+ * @param filetype type of the file (ACR, ImplicitVR, ExplicitVR, ...)
*/
-void SeqEntry::Write(std::ofstream* fp, FileType filetype)
+void SeqEntry::WriteContent(std::ofstream *fp, FileType filetype)
{
uint16_t seq_term_gr = 0xfffe;
uint16_t seq_term_el = 0xe0dd;
//uint16_t item_term_gr = 0xfffe;
//uint16_t item_term_el = 0xe00d;
- DocEntry::Write(fp, filetype);
+ DocEntry::WriteContent(fp, filetype);
for(ListSQItem::iterator cc = Items.begin();
cc != Items.end();
++cc)
{
- (*cc)->Write(fp, filetype);
+ (*cc)->WriteContent(fp, filetype);
}
// we force the writting of a Sequence Delimitation item
binary_write(*fp, seq_term_lg);
}
-//-----------------------------------------------------------------------------
-// Public
-
-/// \brief adds the passed ITEM to the ITEM chained List for this SeQuence.
-void SeqEntry::AddEntry(SQItem *sqItem, int itemNumber)
+/**
+ * \brief adds the passed ITEM to the ITEM chained List for this SeQuence.
+ * @param sqItem SQItem to be pushed back in the SeqEntry
+ * @param itemNumber ordinal number of the SQItem
+ * \note NOT end-user intendend method !
+ */
+void SeqEntry::AddSQItem(SQItem *sqItem, int itemNumber)
{
+// FIXME : SQItemNumber is supposed to be the ordinal number of the SQItem
+// within the Sequence.
+// Either only 'push_back' is allowed,
+// and we just have to do something like SeqEntry::lastNb++
+// Or we can add (or remove) anywhere, and SQItemNumber will be broken
sqItem->SetSQItemNumber(itemNumber);
Items.push_back(sqItem);
}
+/**
+ * \brief Remove all SQItem.
+ */
+void SeqEntry::ClearSQItem()
+{
+ for(ListSQItem::iterator cc = Items.begin(); cc != Items.end(); ++cc)
+ {
+ delete *cc;
+ }
+ if (SeqTerm)
+ {
+ SeqTerm->Unregister();
+ }
+}
+
+/**
+ * \brief Get the first entry while visiting the SeqEntry
+ * \return The first SQItem if found, otherwhise NULL
+ */
+SQItem *SeqEntry::GetFirstSQItem()
+{
+ ItSQItem = Items.begin();
+ if (ItSQItem != Items.end())
+ return *ItSQItem;
+ return NULL;
+}
+
+/**
+ * \brief Get the next SQItem while visiting the SeqEntry
+ * \note : meaningfull only if GetFirstEntry already called
+ * \return The next SQItem if found, otherwhise NULL
+ */
+
+SQItem *SeqEntry::GetNextSQItem()
+{
+ gdcmAssertMacro (ItSQItem != Items.end())
+ {
+ ++ItSQItem;
+ if (ItSQItem != Items.end())
+ return *ItSQItem;
+ }
+ return NULL;
+}
+
/**
* \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
+ * Returns the last item when argument is bigger than the total
* item number.
*/
-SQItem* SeqEntry::GetSQItemByOrdinalNumber(int nb)
+SQItem *SeqEntry::GetSQItem(int nb)
{
if (nb<0)
{
return *cc;
}
}
- return *(Items.end()); // Euhhhhh ?!? Is this the last one . FIXME
+ return *(Items.end());
}
+
+/**
+ * \brief returns the number of SQItems within the current Sequence
+ */
+unsigned int SeqEntry::GetNumberOfSQItems()
+{
+ 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();
+ }
+}
+
//-----------------------------------------------------------------------------
// Protected
// Private
//-----------------------------------------------------------------------------
-} // end namespace gdcm
+// Print
+/**
+ * \brief canonical Printer
+ */
+void SeqEntry::Print( std::ostream &os, std::string const & )
+{
+ // First, Print the Dicom Element itself.
+ os << "S ";
+ 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)->SetPrintLevel(PrintLevel);
+ (*cc)->Print(os);
+ }
+ // at end, print the sequence terminator item, if any
+ if (DelimitorMode)
+ {
+ int i;
+ for ( i = 0; i < SQDepthLevel; i++ )
+ os << " | " ;
+ os << " --- " << std::endl;
+ for ( i = 0; i < SQDepthLevel; i++ )
+ os << " | " ;
+ if (SeqTerm != NULL)
+ {
+ SeqTerm->SetPrintLevel(PrintLevel);
+ SeqTerm->Print(os);
+ os << std::endl;
+ }
+ else
+ {
+ // fuse
+ gdcmWarningMacro(" -------- should have a sequence terminator item");
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+} // end namespace gdcm