Program: gdcm
Module: $RCSfile: gdcmSQItem.cxx,v $
Language: C++
- Date: $Date: 2004/08/01 03:20:23 $
- Version: $Revision: 1.23 $
+ Date: $Date: 2005/01/07 19:20:39 $
+ Version: $Revision: 1.47 $
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.htm for details.
+ 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
#include "gdcmValEntry.h"
#include "gdcmBinEntry.h"
#include "gdcmGlobal.h"
+#include "gdcmDictSet.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(int depthLevel )
- : gdcmDocEntrySet(depthLevel)
+SQItem::SQItem(int depthLevel )
+ : DocEntrySet( )
{
- SQDepthLevel = depthLevel +1;
+ 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);
+ delete *cc;
}
- docEntries.clear();
+ DocEntries.clear();
}
//-----------------------------------------------------------------------------
/*
* \brief canonical Printer
*/
- void gdcmSQItem::Print(std::ostream & os)
- {
+void SQItem::Print(std::ostream &os)
+{
std::ostringstream s;
if (SQDepthLevel > 0)
s << " | " ;
}
}
- std::cout << s.str() << " --- SQItem number " << SQItemNumber << std::endl;
- for (ListDocEntry::iterator i = docEntries.begin();
- i != docEntries.end();
+ //std::cout << s.str() << " --- SQItem number " << SQItemNumber << std::endl;
+ for (ListDocEntry::iterator i = DocEntries.begin();
+ i != DocEntries.end();
++i)
{
- gdcmDocEntry* Entry = *i;
+ DocEntry *Entry = *i;
bool PrintEndLine = true;
os << s.str();
- Entry->SetPrintLevel(2);
- Entry->Print(os);
- if ( gdcmSeqEntry* SeqEntry = dynamic_cast<gdcmSeqEntry*>(Entry) )
+ Entry->SetPrintLevel(PrintLevel);
+ Entry->Print(os);
+ if ( SeqEntry *seqEntry = dynamic_cast<SeqEntry*>(Entry) )
{
- (void)SeqEntry; //not used
+ (void)seqEntry; //not used
PrintEndLine = false;
}
if (PrintEndLine)
}
/*
- * \ingroup gdcmSQItem
+ * \ingroup SQItem
* \brief canonical Writer
*/
-void gdcmSQItem::Write(FILE *fp,FileType filetype)
+void SQItem::WriteContent(std::ofstream *fp, FileType filetype)
{
- for (ListDocEntry::iterator i = docEntries.begin();
- i != docEntries.end();
- ++i)
+ 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)
{
- // Item Delimitor Item IS the last one of a 'no length' SQItem
- // (when it exists) we don't write it right now
- // It will be written outside, because ALL the SQItems are written
- // as 'no length'
- if ( (*i)->IsItemDelimitor() )
+ 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 )
{
- break;
+ 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 ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0x0000 )
+ if ( (*it)->GetGroup() == 0xfffe && (*it)->GetElement() == 0x0000 )
{
- break;
+ break; // FIXME : continue; ?!?
}
- // It's up to the gdcmDocEntry Writter to write the SQItem begin element
- // (fffe|e000) as a 'no length' one
- (*i)->Write(fp, filetype);
- }
+ (*it)->WriteContent(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
+ }
+
}
//-----------------------------------------------------------------------------
/**
* \brief adds any Entry (Dicom Element) to the Sequence Item
*/
-bool gdcmSQItem::AddEntry(gdcmDocEntry *entry)
+bool SQItem::AddEntry(DocEntry *entry)
{
- docEntries.push_back(entry);
+ DocEntries.push_back(entry);
//TODO : check if it worked
return true;
}
* @return true if element was found or created successfully
*/
-bool gdcmSQItem::SetEntryByNumber(std::string val,uint16_t group,
- uint16_t element)
+bool SQItem::SetEntryByNumber(std::string const &val, uint16_t group,
+ uint16_t element)
{
- for(ListDocEntry::iterator i = docEntries.begin(); i != docEntries.end(); ++i)
+ for(ListDocEntry::iterator i = DocEntries.begin();
+ i != DocEntries.end();
+ ++i)
{
if ( (*i)->GetGroup() == 0xfffe && (*i)->GetElement() == 0xe000 )
{
continue;
}
- if ( ( group < (*i)->GetGroup() )
+ if ( ( group < (*i)->GetGroup() )
||( group == (*i)->GetGroup() && element < (*i)->GetElement()) )
{
// instead of ReplaceOrCreateByNumber
- // that is a method of gdcmDocument :-(
- gdcmValEntry* entry = 0;
- gdcmTagKey key = gdcmDictEntry::TranslateToKey(group, element);
+ // 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
- gdcmDict *pubDict = gdcmGlobal::GetDicts()->GetDefaultPubDict();
- // if the invoked (group,elem) doesn't exist inside the Dictionary
- // we create a VirtualDictEntry
- gdcmDictEntry *dictEntry = pubDict->GetDictEntryByNumber(group,
- element);
- if (dictEntry == NULL)
- {
- dictEntry =
- gdcmGlobal::GetDicts()->NewVirtualDictEntry(group, element,
- "UN", "??", "??");
- }
- // we assume the constructor didn't fail
- entry = new gdcmValEntry(dictEntry);
- /// \todo
- /// ----
- /// better we don't assume too much !
- /// gdcmSQItem is now used to describe any DICOMDIR related object
- }
- else
+ // 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)
{
- gdcmDocEntry* foundEntry = PtagHT->find(key)->second;
- entry = dynamic_cast<gdcmValEntry*>(foundEntry);
- if (!entry)
- {
- dbg.Verbose(0, "gdcmSQItem::SetEntryByNumber: docEntries"
- " contains non gdcmValEntry occurences");
- }
- }
+ dictEntry =
+ Global::GetDicts()->NewVirtualDictEntry(group, element,
+ "UN", GDCM_UNKNOWN, GDCM_UNKNOWN);
+ }
+ // we assume the constructor didn't fail
+ entry = new ValEntry(dictEntry);
if (entry)
{
entry->SetValue(val);
}
- entry->SetLength(val.length());
- docEntries.insert(i,entry);
+ DocEntries.insert(i,entry);
return true;
}
if (group == (*i)->GetGroup() && element == (*i)->GetElement() )
{
- if ( gdcmValEntry* entry = dynamic_cast<gdcmValEntry*>(*i) )
+ if ( ValEntry* entry = dynamic_cast<ValEntry*>(*i) )
{
entry->SetValue(val);
}
- (*i)->SetLength(val.length());
return true;
}
}
return false;
}
-//-----------------------------------------------------------------------------
-// Protected
+/**
+ * \brief Clear the hash table from given entry AND delete the entry.
+ * @param entryToRemove Entry to remove AND delete.
+ * \warning Some problems when using under Windows... prefer the use of
+ * Initialize / GetNext methods
+ */
+bool SQItem::RemoveEntry( DocEntry* entryToRemove)
+{
+ for(ListDocEntry::iterator it = DocEntries.begin();
+ it != DocEntries.end();
+ ++it)
+ {
+ if( *it == entryToRemove)
+ {
+ DocEntries.erase(it);
+ gdcmVerboseMacro( "SQItem::RemoveEntry: one element erased.");
+ delete entryToRemove;
+ return true;
+ }
+ }
+
+ gdcmVerboseMacro( "SQItem::RemoveEntry: value not present ");
+ return false ;
+}
+
+/**
+ * \brief Clear the hash table from given entry BUT keep the entry.
+ * @param entryToRemove Entry to remove.
+ */
+bool SQItem::RemoveEntryNoDestroy(DocEntry* entryToRemove)
+{
+ for(ListDocEntry::iterator it = DocEntries.begin();
+ it != DocEntries.end();
+ ++it)
+ {
+ if( *it == entryToRemove)
+ {
+ DocEntries.erase(it);
+ gdcmVerboseMacro( "SQItem::RemoveEntry: one element erased.");
+ return true;
+ }
+ }
+
+ gdcmVerboseMacro( "SQItem::RemoveEntry: value not present ");
+ return false ;
+}
+
+/**
+ * \brief Initialise the visit of the chained list
+ */
+void SQItem::Initialize()
+{
+ ItDocEntries = DocEntries.begin();
+}
+
+/**
+ * \brief Get the next entry whil visiting the chained list
+ * \return The next DocEntry if found, otherwhise NULL
+ */
+DocEntry *SQItem::GetNextEntry()
+{
+ if (ItDocEntries != DocEntries.end())
+ {
+ DocEntry *tmp = *ItDocEntries;
+ ++ItDocEntries;
+
+ return(tmp);
+ }
+ else
+ {
+ return(NULL);
+ }
+}
+//-----------------------------------------------------------------------------
+// Protected
/**
* \brief Gets a Dicom Element inside a SQ Item Entry, by number
* @return
*/
-gdcmDocEntry *gdcmSQItem::GetDocEntryByNumber(uint16_t group, uint16_t element)
+DocEntry* SQItem::GetDocEntryByNumber(uint16_t group, uint16_t element)
{
- for(ListDocEntry::iterator i = docEntries.begin();
- i != docEntries.end(); ++i)
+ for(ListDocEntry::iterator i = DocEntries.begin();
+ i != DocEntries.end(); ++i)
{
if ( (*i)->GetGroup() == group && (*i)->GetElement() == element )
{
* @return
*/
-std::string gdcmSQItem::GetEntryByNumber(uint16_t group, uint16_t element)
+std::string SQItem::GetEntryByNumber(uint16_t group, uint16_t element)
{
- for(ListDocEntry::iterator i = docEntries.begin();
- i != docEntries.end(); ++i)
+ for(ListDocEntry::iterator i = DocEntries.begin();
+ i != DocEntries.end(); ++i)
{
if ( (*i)->GetGroup() == group && (*i)->GetElement() == element)
{
- return ((gdcmValEntry *)(*i))->GetValue(); //FIXME
+ return ((ValEntry *)(*i))->GetValue(); //FIXME
}
}
return GDCM_UNFOUND;
//-----------------------------------------------------------------------------
+
+} // end namespace gdcm