Program: gdcm
Module: $RCSfile: gdcmDocEntryArchive.cxx,v $
Language: C++
- Date: $Date: 2004/11/23 11:14:13 $
- Version: $Revision: 1.2 $
+ Date: $Date: 2005/10/24 16:00:47 $
+ Version: $Revision: 1.17 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
#include "gdcmDocEntryArchive.h"
#include "gdcmDebug.h"
+#include "gdcmDocEntry.h"
#include <string>
namespace gdcm
{
//-----------------------------------------------------------------------------
+// Constructor / Destructor
/**
* \brief Constructor
*/
-DocEntryArchive::DocEntryArchive(Header *header):
- HeaderHT(header->TagHT)
+DocEntryArchive::DocEntryArchive(File *file)
{
+ ArchFile = file;
}
-//-----------------------------------------------------------------------------
/**
* \brief Destructor
*/
ClearArchive();
}
-//-----------------------------------------------------------------------------
-// Print
-/**
- * \brief Print all
- * @param os The output stream to be written to.
- */
-void DocEntryArchive::Print(std::ostream &os)
-{
- os << "Elements in archives :" << std::endl;
- for(TagDocEntryHT::iterator it = Archive.begin();
- it!=Archive.end();
- ++it)
- {
- if(it->second)
- it->second->Print(os);
- }
-}
-
//-----------------------------------------------------------------------------
// Public
/**
- * \brief Replace in the Header a DocEntry by the new DocEntry. The last
- * DocEntry is kept in archieve
+ * \brief Replaces in the Header a DocEntry by the new DocEntry.
+ * The initial DocEntry is kept in archive.
* @param newEntry New entry to substitute to an other entry of the Header
- * @return FALSE when an other DocEntry is already archieved with the same
- * generalized key, TRUE otherwise
+ * @return FALSE when an other DocEntry is already archived with the same key
+ * TRUE otherwise
*/
bool DocEntryArchive::Push(DocEntry *newEntry)
{
- if(!newEntry)
- return(false);
+ if ( !newEntry )
+ return false;
- uint16_t gr = newEntry->GetDictEntry()->GetGroup();
- uint16_t elt = newEntry->GetDictEntry()->GetElement();
- std::string key = DictEntry::TranslateToKey(gr,elt);
+ uint16_t group = newEntry->GetDictEntry()->GetGroup();
+ uint16_t elem = newEntry->GetDictEntry()->GetElement();
+ TagKey key = DictEntry::TranslateToKey(group,elem);
- if( Archive.find(key)==Archive.end() )
+ if ( Archive.find(key) == Archive.end() )
{
// Save the old DocEntry if any
- TagDocEntryHT::iterator it = HeaderHT.find(key);
- if( it!=HeaderHT.end() )
- Archive[key] = it->second;
- else
- Archive[key] = NULL;
+ DocEntry *old = ArchFile->GetDocEntry(group, elem);
+ Archive[key] = old;
+ if ( old )
+ {
+ old->Register();
+ ArchFile->RemoveEntry(old);
+ }
// Set the new DocEntry
- HeaderHT[key] = newEntry;
+ ArchFile->AddEntry(newEntry);
- return(true);
+ return true;
}
- return(false);
+ return false;
}
/**
- * \brief Restore in the Header the DocEntry that have the generalized key.
- * The old entry is destroyed.
- * @param key Key of the DocEntry to restore
- * @return FALSE when the generalized key isn't in the archieve,
+ * \brief Removes out of the Header a DocEntry.
+ * (it's kept in archive).
+ * @param group Group number of the Entry to remove
+ * @param elem Element number of the Entry to remove
+ * @return FALSE when an other DocEntry is already archived with the same key
* TRUE otherwise
*/
-bool DocEntryArchive::Restore(uint16_t group,uint16_t element)
+bool DocEntryArchive::Push(uint16_t group, uint16_t elem)
{
- std::string key=DictEntry::TranslateToKey(group,element);
+ TagKey key = DictEntry::TranslateToKey(group, elem);
- TagDocEntryHT::iterator restoreIt=Archive.find(key);
- if( restoreIt!=Archive.end() )
+ if ( Archive.find(key)==Archive.end() )
{
- TagDocEntryHT::iterator restorePos = HeaderHT.find(key);
- if( restoreIt!=HeaderHT.end() )
- delete restorePos->second;
+ // Save the old DocEntry if any
+ DocEntry *old = ArchFile->GetDocEntry(group, elem);
+ Archive[key] = old;
+ if ( old )
+ {
+ old->Register();
+ ArchFile->RemoveEntry(old);
+ }
+
+ return true;
+ }
+ return false;
+}
- if( Archive[key] )
- HeaderHT[key] = Archive[key];
- else
- HeaderHT.erase(restorePos);
+/**
+ * \brief Restore in the Header the DocEntry specified by (group,element).
+ * The archive entry is destroyed.
+ * @param group Group number of the Entry to restore
+ * @param elem Element number of the Entry to restore
+ * @return FALSE when the key isn't in the archive,
+ * TRUE otherwise
+ */
+bool DocEntryArchive::Restore(uint16_t group, uint16_t elem)
+{
+ TagKey key=DictEntry::TranslateToKey(group, elem);
+
+ TagDocEntryHT::iterator restoreIt=Archive.find(key);
+ if ( restoreIt!=Archive.end() )
+ {
+ // Delete the new value
+ DocEntry *rem = ArchFile->GetDocEntry(group, elem);
+ if ( rem )
+ {
+ ArchFile->RemoveEntry(rem);
+ }
+
+ // Restore the old value
+ if ( restoreIt->second )
+ {
+ ArchFile->AddEntry(restoreIt->second);
+ restoreIt->second->Unregister();
+ }
Archive.erase(restoreIt);
- return(true);
+ return true;
}
- return(false);
+ return false;
}
/**
- * \brief Remove all DocEntry that are in the archive. The entries aren't
- * restored but only destroyed.
+ * \brief Removes all DocEntry from the archive, and destroy them.
+ * The archives entries aren't restored.
*/
-void DocEntryArchive::ClearArchive(void)
+void DocEntryArchive::ClearArchive( )
{
for(TagDocEntryHT::iterator it = Archive.begin();
it!=Archive.end();
++it)
{
- delete it->second;
+ if(it->second)
+ it->second->Unregister();
}
Archive.clear();
}
// Private
//-----------------------------------------------------------------------------
+// Print
+/**
+ * \brief Print all
+ * @param os The output stream to be written to.
+ */
+void DocEntryArchive::Print(std::ostream &os)
+{
+ os << "Elements in archives :" << std::endl;
+ for(TagDocEntryHT::iterator it = Archive.begin();
+ it!=Archive.end();
+ ++it)
+ {
+ if ( it->second )
+ it->second->Print(os);
+ }
+}
+//-----------------------------------------------------------------------------
} // end namespace gdcm