-// gdcmSQItem.cxx
-//-----------------------------------------------------------------------------
-//
+/*=========================================================================
+
+ Program: gdcm
+ Module: $RCSfile: gdcmSQItem.cxx,v $
+ Language: C++
+ Date: $Date: 2004/11/24 16:39:19 $
+ Version: $Revision: 1.37 $
+
+ 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 "gdcmSQItem.h"
+#include "gdcmSeqEntry.h"
+#include "gdcmValEntry.h"
+#include "gdcmBinEntry.h"
#include "gdcmGlobal.h"
#include "gdcmUtil.h"
+#include "gdcmDebug.h"
+#include <fstream>
-
+namespace gdcm
+{
//-----------------------------------------------------------------------------
// Constructor / Destructor
/**
- * \ingroup gdcmSQItem
- * \brief Constructor from a given gdcmSQItem
+ * \ingroup SQItem
+ * \brief Constructor from a given SQItem
*/
-gdcmSQItem::gdcmSQItem( )
- : gdcmDocEntrySet() {
+SQItem::SQItem(int depthLevel )
+ : DocEntrySet( )
+{
+ SQDepthLevel = depthLevel;
}
/**
* \brief Canonical destructor.
*/
-gdcmSQItem::~gdcmSQItem()
+SQItem::~SQItem()
{
- for(ListDocEntry::iterator cc = docEntries.begin();
- cc != docEntries.end();
- ++cc)
+ for(ListDocEntry::iterator cc = DocEntries.begin();
+ cc != DocEntries.end();
+ ++cc)
{
delete *cc;
}
+ DocEntries.clear();
}
-
//-----------------------------------------------------------------------------
// Print
/*
- * \ingroup gdcmSQItem
* \brief canonical Printer
*/
- void gdcmSQItem::Print(std::ostream & os) {
+ void SQItem::Print(std::ostream& os)
+ {
+ os << "S ";
std::ostringstream s;
- s << " | " ;
- for (ListDocEntry::iterator i = docEntries.begin();
- i != docEntries.end();
- ++i)
+
+ if (SQDepthLevel > 0)
{
- os << s.str();
- //(*i)->SetPrintLevel(printLevel); //self->GetPrintLevel() ?
- (*i)->SetPrintLevel(2);
- (*i)->Print(os);
+ for (int i = 0; i < SQDepthLevel; ++i)
+ {
+ s << " | " ;
+ }
+ }
+ //std::cout << s.str() << " --- SQItem number " << SQItemNumber << std::endl;
+ for (ListDocEntry::iterator i = DocEntries.begin();
+ i != DocEntries.end();
+ ++i)
+ {
+ DocEntry* Entry = *i;
+ bool PrintEndLine = true;
+
+ os << s.str();
+ Entry->SetPrintLevel(2);
+ Entry->Print(os);
+ if ( SeqEntry* seqEntry = dynamic_cast<SeqEntry*>(Entry) )
+ {
+ (void)seqEntry; //not used
+ PrintEndLine = false;
+ }
+ if (PrintEndLine)
+ {
+ os << std::endl;
+ }
}
}
+/*
+ * \ingroup SQItem
+ * \brief canonical Writer
+ */
+void SQItem::Write(std::ofstream* fp, FileType filetype)
+{
+ int j;
+ uint16_t item[4] = { 0xfffe, 0xe000, 0xffff, 0xffff };
+ uint16_t itemt[4]= { 0xfffe, 0xe00d, 0xffff, 0xffff };
+
+ //we force the writting of an 'Item' Start Element
+ // because we want to write the Item as a 'no Length' item
+ for(j=0;j<4;++j)
+ {
+ binary_write( *fp, item[j]); // fffe e000 ffff ffff
+ }
+
+ for (ListDocEntry::iterator it = DocEntries.begin();
+ it != DocEntries.end();
+ ++it)
+ {
+ // we skip delimitors (start and end one) because
+ // we force them as 'no length'
+ if ( (*it)->GetGroup() == 0xfffe )
+ {
+ continue;
+ }
+
+ // Fix in order to make some MR PHILIPS images e-film readable
+ // see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
+ // we just *always* ignore spurious fffe|0000 tag !
+ if ( (*it)->GetGroup() == 0xfffe && (*it)->GetElement() == 0x0000 )
+ {
+ break; // FIXME : continue; ?!?
+ }
+
+ (*it)->Write(fp, filetype);
+ }
+
+ //we force the writting of an 'Item Delimitation' item
+ // because we wrote the Item as a 'no Length' item
+ for(j=0;j<4;++j)
+ {
+ binary_write( *fp, itemt[j]); // fffe e000 ffff ffff
+ }
+
+}
+
//-----------------------------------------------------------------------------
// Public
-
-bool gdcmSQItem::AddEntry(gdcmDocEntry *entry) {
- std::cout << " === entree ds gdcmSQItem::AddEntry "
- << hex << entry->GetGroup()
- << " "
- << entry->GetElement()
- << " lgt "
- << entry->GetReadLength()
- << std::endl;
-
- docEntries.push_back(entry);
+/**
+ * \brief adds any Entry (Dicom Element) to the Sequence Item
+ */
+bool SQItem::AddEntry(DocEntry* entry)
+{
+ DocEntries.push_back(entry);
//TODO : check if it worked
return true;
}
-
+
+/**
+ * \brief Sets Entry (Dicom Element) value of an element,
+ * specified by it's tag (Group, Number)
+ * and the length, too ... inside a SQ Item
+ * If the Element is not found, it's just created !
+ * \warning we suppose, right now, the element belongs to a Public Group
+ * (NOT a shadow one)
+ * @param val string value to set
+ * @param group Group number of the searched tag.
+ * @param element Element number of the searched tag.
+ * @return true if element was found or created successfully
+ */
+
+bool SQItem::SetEntryByNumber(std::string const & val, uint16_t group,
+ uint16_t element)
+{
+ for(ListDocEntry::iterator i = DocEntries.begin();
+ i != DocEntries.end();
+ ++i)
+ {
+ if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0xe000 )
+ {
+ continue;
+ }
+
+ if ( ( group < (*i)->GetGroup() )
+ ||( group == (*i)->GetGroup() && element < (*i)->GetElement()) )
+ {
+ // instead of ReplaceOrCreateByNumber
+ // that is a method of Document :-(
+ ValEntry* entry = 0;
+ TagKey key = DictEntry::TranslateToKey(group, element);
+
+ if ( ! PtagHT->count(key))
+ {
+ // we assume a Public Dictionnary *is* loaded
+ Dict *pubDict = Global::GetDicts()->GetDefaultPubDict();
+ // if the invoked (group,elem) doesn't exist inside the Dictionary
+ // we create a VirtualDictEntry
+ DictEntry *dictEntry = pubDict->GetDictEntryByNumber(group, element);
+ if (dictEntry == NULL)
+ {
+ dictEntry =
+ Global::GetDicts()->NewVirtualDictEntry(group, element,
+ "UN", "??", "??");
+ }
+ // we assume the constructor didn't fail
+ entry = new ValEntry(dictEntry);
+ /// \todo
+ /// ----
+ /// better we don't assume too much !
+ /// SQItem is now used to describe any DICOMDIR related object
+ }
+ else
+ {
+ DocEntry* foundEntry = PtagHT->find(key)->second;
+ entry = dynamic_cast<ValEntry*>(foundEntry);
+ if (!entry)
+ {
+ dbg.Verbose(0, "SQItem::SetEntryByNumber: docEntries"
+ " contains non ValEntry occurences");
+ }
+ }
+ if (entry)
+ {
+ entry->SetValue(val);
+ }
+ entry->SetLength(val.length());
+ DocEntries.insert(i,entry);
+
+ return true;
+ }
+ if (group == (*i)->GetGroup() && element == (*i)->GetElement() )
+ {
+ if ( ValEntry* entry = dynamic_cast<ValEntry*>(*i) )
+ {
+ entry->SetValue(val);
+ }
+ (*i)->SetLength(val.length());
+ return true;
+ }
+ }
+ return false;
+}
//-----------------------------------------------------------------------------
// Protected
-//-----------------------------------------------------------------------------
-// Private
-// end-user intended : the guy *wants* to create his own SeQuence ?!?
-gdcmDocEntry *gdcmSQItem::NewDocEntryByNumber(guint16 group,
- guint16 element) {
-// TODO
- gdcmDocEntry *a;
- return a;
+/**
+ * \brief Gets a Dicom Element inside a SQ Item Entry, by number
+ * @return
+ */
+DocEntry* SQItem::GetDocEntryByNumber(uint16_t group, uint16_t element)
+{
+ for(ListDocEntry::iterator i = DocEntries.begin();
+ i != DocEntries.end(); ++i)
+ {
+ if ( (*i)->GetGroup() == group && (*i)->GetElement() == element )
+ {
+ return *i;
+ }
+ }
+ return 0;
}
-gdcmDocEntry *gdcmSQItem::NewDocEntryByName (std::string Name) {
-// TODO :
- gdcmDocEntry *a;
- return a;
+/**
+ * \brief Get the value of a Dicom Element inside a SQ Item Entry, by number
+ * @return
+ */
+
+std::string SQItem::GetEntryByNumber(uint16_t group, uint16_t element)
+{
+ for(ListDocEntry::iterator i = DocEntries.begin();
+ i != DocEntries.end(); ++i)
+ {
+ if ( (*i)->GetGroup() == group && (*i)->GetElement() == element)
+ {
+ return ((ValEntry *)(*i))->GetValue(); //FIXME
+ }
+ }
+ return GDCM_UNFOUND;
}
//-----------------------------------------------------------------------------
+// Private
+
+
+//-----------------------------------------------------------------------------
+
+} // end namespace gdcm