Program: gdcm
Module: $RCSfile: gdcmSeqEntry.cxx,v $
Language: C++
- Date: $Date: 2005/01/24 16:10:53 $
- Version: $Revision: 1.50 $
+ Date: $Date: 2007/10/08 15:20:17 $
+ Version: $Revision: 1.72 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include <iomanip>
#include <fstream>
-namespace gdcm
+namespace GDCM_NAME_SPACE
{
-
//-----------------------------------------------------------------------------
+// Constructor / Destructor
+
// Constructor / Destructor
/**
* \brief Constructor from a given SeqEntry
*/
-SeqEntry::SeqEntry( DictEntry *e )
- : DocEntry(e)
+SeqEntry::SeqEntry( uint16_t group,uint16_t elem )
+ : DocEntry(group, elem, "SQ")
{
Length = 0;
ReadLength = 0xffffffff;
}
/**
- * \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 )
- : DocEntry( e->GetDictEntry() )
+ //: DocEntry( e->GetDictEntry() )
+ : DocEntry( e->GetGroup(), e->GetElement(), "SQ" /*e->GetVR()*/ )
{
Length = 0;
ReadLength = 0xffffffff;
*/
SeqEntry::~SeqEntry()
{
- for(ListSQItem::iterator cc = Items.begin(); cc != Items.end(); ++cc)
- {
- delete *cc;
- }
- if (SeqTerm)
- {
- delete SeqTerm;
- }
-}
-
-//-----------------------------------------------------------------------------
-// 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)
- {
- for ( int i = 0; i < SQDepthLevel; i++ )
- {
- os << " | " ;
- }
- if (SeqTerm != NULL)
- {
- SeqTerm->SetPrintLevel(PrintLevel);
- SeqTerm->Print(os);
- os << std::endl;
- }
- else
- {
- // fuse
- gdcmVerboseMacro(" -------- should have a sequence terminator item");
- }
- }
+ ClearSQItem();
}
//-----------------------------------------------------------------------------
* @param fp pointer to an already open file
* @param filetype type of the file (ACR, ImplicitVR, ExplicitVR, ...)
*/
-void SeqEntry::WriteContent(std::ofstream *fp, FileType filetype)
+void SeqEntry::WriteContent(std::ofstream *fp, FileType filetype, bool , bool )
{
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::WriteContent(fp, filetype);
+ uint32_t seq_term_lg = 0x00000000;
+
+ // ignore 'Zero length' Sequences
+ if ( GetReadLength() == 0 )
+ return;
+ // false : we are not in MetaElements
+ // true : we are inside a Sequence
+ DocEntry::WriteContent(fp, filetype, false, true);
for(ListSQItem::iterator cc = Items.begin();
cc != Items.end();
++cc)
- {
- (*cc)->WriteContent(fp, filetype);
+ {
+ (*cc)->WriteContent(fp, filetype, false, true);
}
// we force the writting of a Sequence Delimitation item
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
+ * @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);
+ sqItem->Register();
+}
+
+/**
+ * \brief Remove all SQItem.
+ */
+void SeqEntry::ClearSQItem()
+{
+ for(ListSQItem::iterator cc = Items.begin(); cc != Items.end(); ++cc)
+ {
+ (*cc)->Unregister();
+ }
+ if (SeqTerm)
+ {
+ SeqTerm->Unregister();
+ }
+}
+
/**
* \brief Get the first entry while visiting the SeqEntry
* \return The first SQItem if found, otherwhise 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 bigger than the total
+ * Returns the last item when argument is bigger than the total
* item number.
*/
SQItem *SeqEntry::GetSQItem(int nb)
return *(Items.end());
}
-/// \brief retuens the number of SQItems within the current Sequence
+/**
+ * \brief returns the number of SQItems within the current Sequence
+ */
unsigned int SeqEntry::GetNumberOfSQItems()
{
return Items.size();
}
-/// \brief adds the passed ITEM to the ITEM chained List for this SeQuence.
-void SeqEntry::AddSQItem(SQItem *sqItem, int itemNumber)
+/**
+ * \brief Sets the Sequence Delimitation Item
+ * \param e Delimitation item
+ */
+void SeqEntry::SetDelimitationItem(DocEntry *e)
{
- sqItem->SetSQItemNumber(itemNumber);
- Items.push_back(sqItem);
+ 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
//-----------------------------------------------------------------------------
-} // end namespace gdcm
+// Print
+/**
+ * \brief canonical Printer
+ */
+void SeqEntry::Print( std::ostream &os, std::string const & )
+{
+ // os << "S ";
+
+ // First, Print the common part (vr [length offset] name).
+ 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
git://git.creatis.insa-lyon.fr / gdcm.git / blobdiff